An electric actuator includes a motor, an output shaft, a detent plate, an elastic portion including a contacted portion, a first rotation sensor, a second rotation sensor, and a controller. In a case where an abnormality has occurred in the second rotation sensor, the controller executes causing the motor to rotate to cause the contacted portion to abut a first side wall portion located on one end side in the circumferential direction of a first valley portion in the detent plate, acquiring the first rotation angle when the contacted portion abuts on the first side wall portion, reversely rotating the motor to an angle, and determining that the contacted portion is stationary at the parking position.
H02K 11/21 - Dispositifs pour détecter la vitesse ou la position, ou actionnés par des valeurs de ces variables
H01H 3/26 - Dispositions comportant une énergie à l'intérieur de l'interrupteur pour actionner le mécanisme d'entraînement utilisant un moteur dynamo-électrique
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
H02K 11/30 - Association structurelle à des circuits de commande ou à des circuits d’entraînement
One aspect of a pump of the present invention includes a rotor rotatable about a central axis, a stator assembly located radially outside the rotor and surrounding the rotor, a pump unit connected to a first side in an axial direction of the rotor, a support member including a rotor accommodating portion, the rotor accommodating portion being located radially inside the stator assembly and accommodates the rotor therein, and a resin housing in which the stator assembly and the support member are molded. The rotor accommodating portion includes a lid portion that covers the rotor from a second side in the axial direction, and a tubular portion that is located between the rotor and the stator assembly in a radial direction and is open to the first side in the axial direction. The stator assembly includes a stator core having an annular shape, a plurality of coils mounted on the stator core, and a stator cover that covers the plurality of coils.
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
H02K 1/16 - Noyaux statoriques à encoches pour enroulements
H02K 1/22 - Parties tournantes du circuit magnétique
One aspect of a motor control device according to the present invention is a motor control device that controls a motor of an electric pump. The motor control device includes a drive unit that supplies a drive current to the motor; a control unit that controls a rotation speed of the motor by controlling the drive unit based on a rotation speed command value; and a current detection unit that detects the drive current supplied to the motor, and supplies a current detection value indicating a detection result of the drive current to the control unit. The control unit determines whether or not a foreign fluid suction abnormality occurs in the electric pump, based on a first current detection value acquired at a first timing when the rotation speed command value changes from a first command value to a second command value and a second current detection value acquired after the first timing.
H02P 8/00 - Dispositions pour la commande de moteurs dynamo-électriques tournant pas à pas
H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p. ex. constante de temps du rotor, flux, vitesse, courant ou tension
H02P 3/18 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques pour arrêter ou ralentir individuellement un moteur dynamo-électrique ou un convertisseur dynamo-électrique pour arrêter ou ralentir un moteur à courant alternatif
In solenoid valve provided with: a valve case that has an annular collar expanding in a radial direction of an opening, which is opened at an axial end surface, and accommodates a valve body inside; and an annular seal member mounted in an annular recessed groove provided on one axial end surface of the collar of the valve case, the collar includes a through-hole penetrating the collar in an axial direction, and a connecting portion connecting the through-hole and the annular recessed groove, the through-hole has a reduced diameter portion, and the seal member includes an annular portion mounted in the annular recessed groove and a protruding portion protruding at least in the axial direction with respect to the annular portion and penetrating the through-hole, the protruding portion including an enlarged diameter portion having an outer diameter φD1 (>φd2) larger than an inner diameter φd2 of the reduced diameter portion of the through-hole.
F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
F16J 15/02 - Joints d'étanchéité entre surfaces immobiles entre elles
F16J 15/06 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
An electric pump includes a motor including a rotor rotatable about an axis extending in an axial direction and a stator with a coil wire, a pump connected to the rotor, a circuit board on a first side in the axial direction of the motor, and a coil guide between the motor and the circuit board. The coil wire extends to the first side in the axial direction and is connected to the circuit board. The coil guide includes a first portion guiding the coil wire along the axial direction, and a second portion which faces the motor and in which the first portion is opened. The second portion is a surface inclined to the first side in the axial direction toward an opening of the first portion. A width of the second portion as viewed from the axial direction decreases toward the opening of the first portion.
An electric pump includes a motor including a rotor rotatable about an axis extending in an axial direction and a stator, a circuit board on a first side in the axial direction of the motor, a pump mechanism connected to the rotor on a second side in the axial direction of the motor, a housing with a housing space for the motor, the pump mechanism, and the circuit board, and a seal member. The stator includes a coil wire extending to the first side and connected to the circuit board. The seal member includes a first surface facing the motor and a second surface facing the circuit board, a first guide penetrating the seal member in the axial direction, a potting material between the coil wire and the first guide, and a second guide which is on the first surface and in which the first guide is opened.
One embodiment of this pump comprises: a rotor that is capable of rotating about a center axis; a stator that surrounds the rotor and is positioned outward of the rotor in the radial direction; a pump part that connects to the rotor on the side in one axial direction; a support member that has a base portion which covers the stator from the side in the one axial direction, and a rotor housing portion which is made from a non-magnetic body, is positioned inward of the stator in the radial direction, and houses the rotor in the interior thereof; and a fixed shaft that extends in the axial direction and rotatably supports the rotor. The rotor housing portion is provided with a lid portion that covers the rotor from the side in the other axial direction, and a cylinder portion that is positioned between the rotor and the stator in the radial direction and is open on the side in the one axial direction. The lid portion is provided with a holding portion that holds the end portion of the fixed shaft on the side in the other axial direction. In the end portion of the fixed shaft on the side in the other axial direction, a hole portion that is recessed toward the side in the one axial direction is provided. The holding portion is provided with a protruding portion that covers at least a portion of the inner surface of the hole portion. A screw is screwed into the lid portion from the side in the other axial direction. At least a portion of the screw is screwed into the protruding portion.
One aspect of an electric actuator of the present invention includes: a motor having a motor shaft rotatable about a motor axis; a transmission mechanism coupled to one side in the axial direction of the motor shaft; an output shaft extending in the axial direction of the motor shaft and to which rotation of the motor shaft is transmitted via the transmission mechanism; and a rolling member group including three or more rolling members arranged to surround the motor axis. The motor shaft is a hollow shaft. At least a part of the output shaft is located inside the motor shaft. The motor shaft and the output shaft are supported with each other in the axial direction and the radial direction via the rolling member group.
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 11/215 - Dispositifs utilisant un effet magnétique, p. ex. des éléments à effet Hall ou magnéto-résistifs
F16H 15/50 - Transmissions donnant une gamme continue de rapports de vitesses
F16H 37/12 - Transmissions comportant principalement une transmission à engrenages ou à friction, des maillons ou des leviers, des cames, ou bien des organes appartenant à deux des trois types ci-dessus au moins
A rotary electric machine includes a rotor, a stator, a substrate, a bus bar, a housing having a stator housing portion and a substrate housing portion, and a cover member. The substrate housing portion is located radially outside the stator housing portion. The housing has a connection hole connecting the stator housing portion and the substrate housing portion. The bus bar radially passes through the connection hole. The bus bar includes a coil connection portion electrically connected to the coil in the stator housing portion, and a substrate connection portion electrically connected to the substrate in the substrate housing portion. The bus bar is located on one side in the axial direction of the stator. The cover member has an opposing portion located on one side in the axial direction of the bus bar in the stator housing portion, and having an axial positioning portion for the bus bar.
H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
F04C 2/08 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés
A rotary electric machine includes a rotor, a stator having a coil, a substrate electrically connected to the coil, a bus bar assembly having a bus bar electrically connecting the coil and the substrate, and a housing having a stator housing portion accommodating the stator and a substrate housing portion accommodating the substrate. The substrate housing portion is radially outside the stator housing portion. The housing has a connection hole radially connecting the stator housing portion and the substrate housing portion. The bus bar assembly radially passes through the connection hole. The bus bar includes a coil connection portion electrically connected to the coil, and a substrate connection portion electrically connected to the substrate. The bus bar assembly includes a bus bar holder that holds the bus bar, and a fixing member that is held by the bus bar holder and fixed to the housing.
An electric pump includes: a motor including a shaft; a pump mechanism coupled to an axial one side of the shaft; a circuit substrate located outward in a radial direction orthogonal to the axial direction of the shaft, and a housing capable of accommodating the motor and the circuit substrate. The circuit substrate includes a plate surface facing the shaft and following the axial direction. The housing includes a motor housing part, a substrate housing part, a pump housing part, and an attachment plate part located outward in a radial direction. The attachment plate part includes an attachment surface facing the shaft and following the axial direction. The motor and the pump mechanism are located on an inner angle side of an angle at which a third surface including the plate surface and a fourth surface including the attachment surface intersect.
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02K 3/50 - Fixation des têtes de bobines, des connexions équipotentielles ou des connexions s'y raccordant
H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
An electromagnetic valve includes: a solenoid having a plunger movably supported along an axis O1 direction; a flow path member having a fluid passage flow path and a valve element housing portion; and a valve element in a columnar shape that is disposed in the valve element housing portion, is movable along the axis O1 direction together with the plunger, and can switch between an open state and a closed state. The flow path member has an abutment portion that abuts on the valve element in the valve element housing portion, and a biasing member that biases the valve element. The valve element has an enlarged-diameter portion on the radially outer side. The enlarged-diameter portion has an opposing surface portion opposing the abutment portion at least in the axis O1 direction. The opposing surface portion is in contact with the abutment portion in the open state.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
15.
Electric pump including a motor unit and an axially extending attachment surface
An electric pump includes a motor unit rotationally driving a drive shaft, and a pump unit. The pump unit includes a pump rotor that sends the fluid by a driving force of the driving shaft, and a pump housing that surrounds at least one side of the pump rotor. The pump housing includes an attachment surface extending in the axial direction and in contact with an attached body, first and second flow paths respectively on the suction side and the discharge side, and a fixing location within the attachment surface and fixed to the attached body by a fixing member within a maximum outer shape of the motor housing as viewed in the axial direction. Opening locations of the first and second flow paths are displaced from each other in the axial direction on the attachment surface.
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
F04C 11/00 - Combinaisons de plusieurs "machines" ou pompes, chacune d'elles étant du type à piston rotatif ou oscillantInstallations de pompage
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
F01C 21/10 - Organes externes coopérant avec des pistons rotatifsCarcasses d'enveloppes
F04C 2/08 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés
An electric pump includes a motor unit rotationally driving a drive shaft, and a pump unit. The pump unit includes a pump rotor that sends the fluid by a driving force of the driving shaft, and a pump housing that covers at least one side of the pump rotor. The pump housing includes an attachment surface extending in the axial direction and in contact with an attached body, first and second flow paths respectively on the suction side and the discharge side, and a partition wall positioned between pump-side openings of the first flow path and the second flow path facing the pump rotor, and extends in a direction along the attachment surface, and locations of attachment-side openings of the first flow path and the second flow path on the attachment surface are displaced from each other on the attachment surface in the axial direction.
F04C 2/08 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
To provide an electromagnetic valve capable of preventing damage due to stress of a buffer member. An electromagnetic valve includes a solenoid having a case, a flow path member, and a columnar valve element that is housed in the valve element housing portion of the flow path member and moves with a plunger of the solenoid to open and close a flow path. A seat member with which the plunger comes into contact is disposed in the case of the solenoid. The seat member includes a core portion with which the plunger comes into contact, and a plurality of protruding portions protruding radially outward from an outer peripheral surface on the radially outer side of the core portion.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
H01F 7/08 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures
An aspect of an electric pump of the present invention is an electric pump attached to a predetermined object. The electric pump includes a motor having a rotor rotatable about a center axis extending in an axial direction, a pump mechanism coupled to the rotor, a circuit board located radially outside the motor and having a plate face directed in a radial direction, an electrolytic capacitor attached to the plate face of the circuit board, and a housing that houses the motor, the pump mechanism, the circuit board, and the electrolytic capacitor therein. The housing has a mounting face attached to a predetermined object. The mounting face is a face directed radially outward. The plate face of the circuit board is disposed along a direction intersecting the mounting face. The electrolytic capacitor is disposed at a position closer to the mounting face than the center axis in the direction orthogonal to the mounting face.
A blow-by gas leak diagnostic device includes a first PCV flow path, a second PCV flow path, a fresh air inlet, a pressure measurement unit, a first valve that opens and closes the first PCV flow path, a second valve that opens and closes the second PCV flow path, a third valve that opens and closes the fresh air inlet, a valve control unit, and a leak diagnosis unit. The valve control unit controls an opening degree of the third valve when a downstream side of an intake manifold with respect to a throttle valve has a negative pressure, and the second valve is in a closed state. The leak diagnosis unit diagnoses presence or absence of a leak in the first PCV flow path on the basis of an inner pressure of the first PCV flow path measured by the pressure measurement unit.
To provide an electromagnetic valve that can prevent damage due to wear of a valve element and a case of a solenoid, or occurrence of a striking sound when a valve is opened. An electromagnetic valve includes a solenoid having a case, a flow path member, and a columnar valve element that is housed in the valve element housing portion of the flow path member and moves with a plunger of the solenoid to open and close a flow path. A first seat member in contact with the plunger is disposed on the valve element, and a second seat member in contact with the plunger is disposed on the case of the solenoid. An elastic modulus of the first seat member is larger than an elastic modulus of the valve element, and an elastic modulus of the second seat member is smaller than an elastic modulus of the case.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
An electromagnetic valve includes: a solenoid having a plunger movably supported along an axial direction; a flow path member having a fluid passage flow path and a valve element housing portion; and a valve element disposed in the valve element housing portion and movable along the axial direction together with the plunger. The valve element includes: a body part in a tubular shape having a wall portion closing one axial end side and an opening at the other axial side; a valve part fixed to one axial side of the wall portion for opening and closing the flow path as moving together with the plunger; and a core member in a columnar shape that is movable along the axial direction inside the body part, and that is in contact with the wall portion on the one axial side and the plunger on the other axial side.
F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
Provided is an electromagnetic valve capable of preventing damage due to wear while preventing an increase in weight of a valve element. The electromagnetic valve includes a solenoid having a plunger movably supported along an axial direction, a flow path member having a fluid passage flow path and a valve element housing portion, and a valve element disposed in the valve element housing portion and movable along the axial direction together with the plunger. The valve element includes a body part, a valve part that opens and closes the fluid passage flow path as the plunger moves, and a pin in a rod-like shape that passes through the body part along the axial direction. The body part is provided with at least one opening that opens in a direction orthogonal to the axial direction and through which the pin is exposed.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
F16K 27/02 - Structures des logementsMatériaux utilisés à cet effet des soupapes de levage
An electric oil pump includes a motor including a motor shaft, a pump assembly including a vane pump driven by the motor to suction and discharge oil, and an inverter to drive the motor. The motor includes a rotor, a stator on a side outward from the rotor in a radial direction, and a motor housing containing the rotor and the stator. The motor housing includes a suction port through which the vane pump suctions oil from outside, and a discharge port through which the vane pump discharges oil to outside. The motor housing includes flat surface portions in a portion of an outer periphery thereof. The suction port and the discharge port are located in a first surface of side surfaces which are the flat surface portions of the motor housing and are parallel or substantially parallel to the axial direction.
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
F04C 11/00 - Combinaisons de plusieurs "machines" ou pompes, chacune d'elles étant du type à piston rotatif ou oscillantInstallations de pompage
F04C 13/00 - Adaptations des "machines" ou pompes pour utilisation particulière, p. ex. pour très hautes compressions
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
24.
Rotation angle detecting device and electric actuator
An aspect of the disclosure provides a rotation angle detecting device capable of detecting a rotation angle of a rotation body rotatable about a central axis. The rotation angle detecting device includes: a sensor magnet, having multiple magnetic poles provided side-by side in a circumferential direction about the central axis and installed to the rotation body; a magnetic sensor, overlapped with the sensor magnet when viewed in a predetermined first direction and capable of detecting a magnetic field of the sensor magnet; and a pair of magnetic parts, provided to sandwich the magnetic sensor in a second direction intersecting the first direction.
G01D 5/14 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant la valeur d'un courant ou d'une tension
G01B 7/30 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer des angles ou des cônesDispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour tester l'alignement des axes
H02K 11/215 - Dispositifs utilisant un effet magnétique, p. ex. des éléments à effet Hall ou magnéto-résistifs
An electric actuator includes a motor, a speed reduction mechanism, and a bearing fixed to a motor shaft having an eccentric axis portion. The speed reduction mechanism has: an externally toothed gear, an internally toothed gear, a facing member arranged facing the externally toothed gear, and column members arranged to protrude from one member of the facing member and the externally toothed gear toward the other member and surround the motor axis. The other member has hole portions arranged to surround the motor axis. The column members are inserted into the hole portions respectively, and support the externally toothed gear to be swingable around the motor axis via an inner side surface of each of the hole portions. At least one of the column members is attached to the one member in a manner of being rotatable around a central axis of the at least one column member.
F16H 1/32 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital dans lesquels l'axe central de la transmission est situé à l'intérieur de la périphérie d'un engrenage orbital
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 7/08 - Association structurelle avec des paliers
F16H 57/02 - Boîtes de vitessesMontage de la transmission à l'intérieur
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
An electric actuator of the disclosure includes a motor, a speed reduction mechanism, and a bearing fixed to a motor shaft having an eccentric axis portion. The speed reduction mechanism has: an externally toothed gear, an internally toothed gear, a facing member facing the externally toothed gear, column members protruding from one member of the facing member and the externally toothed gear toward the other member and surrounding the motor axis, and at least one tube member surrounding the column members. The other member has hole portions surrounding the motor axis. The column members are inserted into the hole portions respectively, and support the externally toothed gear to be swingable around the motor axis via an inner side surface of each of the hole portions. The at least one tube member surrounds the column members in the hole portions and is rotatable around a rotary axis passing through the hole portions.
H02K 7/11 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des embrayages dynamo-électriques
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 7/08 - Association structurelle avec des paliers
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
An electric pump provided with a pump unit configured to discharge working oil by being rotationally driven by an electric motor includes: a drive shaft configured to transmit rotational driving force from the electric motor to a rotor of the pump unit; a rotation-detection shaft provided coaxially with the drive shaft, the rotation-detection shaft being configured to be rotated together with the rotor; and a rotation detector unit configured to detect rotation of the rotation-detection shaft. The rotation-detection shaft has: an engagement portion configured to engage with the rotor; and a detection-target portion facing the rotation detector unit, and an outer diameter of the detection-target portion is set so as to be larger than an outer diameter of the engagement portion.
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
F04C 2/344 - Machines ou pompes à piston rotatif possédant les caractéristiques couvertes par au moins deux des groupes , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants avec à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe interne
An electromagnetic valve includes a mover that is able to move in a predetermined direction. The mover includes a valve body part including a valve body base part and an annular elastic body. The valve body base part includes a large diameter part and a small diameter part connected via a step difference. The annular elastic body includes a first contact surface, a second contact surface in contact with a step difference surface in the step difference, and a sealing projecting part that is able to come into contact with a peripheral edge part of an opening part of a first flow path in the predetermined direction. The sealing projecting part surrounds the opening part when seen in the predetermined direction. The sealing projecting part, the second contact surface, and the step difference surface are at least partially superimposed on each other when seen in the predetermined direction.
The pump device includes a motor portion that includes a shaft rotating about a central axis and a pump portion that is driven by a motor portion via the shaft. The pump portion includes a pump rotor that rotates along with the shaft and a pump housing that includes an accommodation portion that accommodates the pump rotor. The pump housing includes a pump body that includes a first bearing portion that supports the shaft and a pump cover with an accommodation portion disposed between the pump cover and the pump body. The pump cover includes a flow path through which oil is discharged and suctioned, and includes a second bearing portion that rotatably supports the shaft and that communicates with the flow path. An end portion of the shaft on one side in the axial direction is disposed at the second bearing portion or inside the flow path.
F01C 21/10 - Organes externes coopérant avec des pistons rotatifsCarcasses d'enveloppes
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
F04C 11/00 - Combinaisons de plusieurs "machines" ou pompes, chacune d'elles étant du type à piston rotatif ou oscillantInstallations de pompage
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
B60T 13/14 - Dispositions relatives à l'alimentation en pression utilisant des accumulateurs ou des réservoirs
F04C 2/18 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne avec des pistons rotatifs dentés à formes de dents semblables
The clutch control device comprises: a pump that feeds oil to a hydraulic clutch; a control part that controls the pump; an input-side oil channel through which oil suctioned into the pump from an oil tank passes; an output-side oil channel connecting the pump and the hydraulic clutch; a pressure sensor; a connecting oil channel connected to the input-side oil channel and the output-side oil channel; and a solenoid valve that interrupts or allows the flow of oil in the connecting oil channel. The opening degree of the valve can be adjusted. When a drive shaft and a driven shaft are connected by the hydraulic clutch, the control part adjusts the opening degree of the valve on the basis of the pressure of oil in the output-side oil channel and the number of rotations made by the driven shaft while monotonically increasing the number of rotations of the drive part.
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
H02P 29/02 - Protection contre les surcharges sans interruption automatique de l’alimentation
H02P 29/00 - Dispositions pour la régulation ou la commande des moteurs électriques, adaptées à des moteurs à courant alternatif et à courant continu
An electric oil pump includes a motor including a shaft, a pump driven via the shaft, and an inverter assembly located on a rear side of the motor and secured to the motor. The motor includes a rotor, a stator, and a motor housing that houses the rotor and the stator. The pump includes a pump rotor and a pump housing. The motor housing has a bottomed tubular shape that includes a bottom portion on a side of the inverter assembly, and the inverter assembly includes an inverter housing including a circuit board housing that houses a circuit board and a busbar holder. The busbar holder is on a side opposite to a terminal that is electrically connected to the circuit board with respect to the shaft in the circuit board housing.
A signal generator generates a control signal that causes an inverter to supply a drive current in an AC voltage waveform to each phase of a motor. The signal generator alternately repeats a first energization cycle in which only a switch on an upper side of an arm is set to an ON state and a second energization cycle in which only a switch on a lower side of the arm is set to the ON state in the AC voltage waveform having a third energization cycle therebetween, changes the switches on the upper side and the lower side of the arm to the ON state and an OFF state in order in the third energization cycle, continuously changes an output voltage of the switch that has been further changed to the ON state, and generates a control signal to cause waveforms of the preceding and succeeding first energization cycle and second energization cycle to be continuous with the third energization cycle by varying a phase of the first to the third energization cycles in each phase.
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
A control device for a motor unit provided in a vehicle is disclosed. The motor unit includes a motor including multiple coils provided side by side around a motor axis; a transmission mechanism transmitting power of the motor to an axle; a housing housing the motor and the transmission mechanism; an electric oil pump delivering oil stored in the housing; and a coil temperature sensor detecting a temperature of the coil. The control device includes a motor controller driving and controlling the motor; and a pump controller driving and controlling the electric oil pump. The pump controller estimates an oil temperature according to an ambient temperature and the temperature of the coil, and determines a start timing of the electric oil pump based on an estimated oil temperature.
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
B60W 10/30 - Commande conjuguée de sous-ensembles de véhicule, de fonction ou de type différents comprenant la commande d'équipements auxiliaires, p. ex. des compresseurs pour la climatisation ou des pompes à huile
F16H 57/04 - Caractéristiques relatives à la lubrification ou au refroidissement
F04B 49/02 - Commande d'arrêt, de démarrage, de décharge ou de ralenti
An electromagnetic valve includes a solenoid having a bobbin, a plunger and a coil; a flow path member having a first flow path, a second flow path, a relay flow path and a valve body housing; a valve body movably disposed in the valve body housing; and a spring disposed in the valve body housing and urging the valve body, wherein the valve body further includes a plurality of guide parts which are provided at different positions along the axial direction and which are guided on an inner wall surface of the valve body housing, and a taper part which is provided between the plurality of guide parts and whose outer diameter decreases toward the one side in the axial direction.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
An electromagnetic valve includes: a solenoid, including a bobbin, a plunger, and a coil that moves the plunger; and a valve mechanism, including a flow path member that includes a first flow path, a second flow path, a relay part and a valve body housing, and a valve body that is inserted into the valve body housing, movably supported along an axial direction together with the plunger, and switches between passage and blockage between the first and the second flow paths. The valve body includes: a protrusion provided protruding radially outward from an outer periphery of the valve body and guided by an inner wall surface of the valve body housing when the valve body moves; a body made of resin; and a pin made of metal, provided at a center of the body along the axial direction and penetrating the body.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
A motor driving device for driving a motor is provided. The motor driving device includes: a driver outputting a drive signal for driving the motor to the motor; and a controller controlling a duty ratio of the drive signal based on three control parameters which are an initial duty ratio, a duty ratio increasing speed, and a target duty ratio. The controller has a normal control mode in which each of the three control parameters is a predetermined value, and a cryogenic control mode in which at least one of the three control parameters is a smaller value than in the normal control mode.
H02P 6/10 - Dispositions pour commander l'ondulation du couple, p. ex. en assurant une ondulation réduite du couple
H02P 21/32 - Détermination de la position initiale du rotor
H02P 29/68 - Commande ou détermination de la température du moteur ou de l'entraînement basée sur la température d’un composant d’entraînement ou d’un composant semi-conducteur
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
38.
Control device of electric oil pump and electric oil pump
A control device is provided for controlling a rotation speed of an electric oil pump, including a motor and a pump mechanism connected to the motor, based on a command value input from a host device. The control device includes: a first calculator calculating a first duty value of current to be output to the motor based on a deviation between the command value and a rotation speed of the motor; a second calculator calculating a second duty value of current to be output to the motor based on a deviation between a current limit value of the motor and a current value of the motor; and a drive current determiner comparing the first duty value calculated by the first calculator and the second duty value calculated by the second calculator, and selecting the lower duty value as a duty value of current that drives the motor.
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
F04B 49/20 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes en modifiant la vitesse d'entraînement
F04C 14/08 - Commande, surveillance ou dispositions de sécurité pour "machines" ou pompes ou installations de pompage caractérisées par une variation de la vitesse de rotation
39.
Electronic board, in-vehicle electric motor and electric pump
An electronic board includes a board, and includes on the board: a power input part inputting power output from an in-vehicle power supply; a drive circuit driving a drive source; a controller controlling driving of the drive source performed by the drive circuit; and a drive command signal input part inputting a drive command signal transmitted from outside. The electronic board further includes on the board: a drive command signal detection circuit capable of detecting the drive command signal, and controlling whether to supply the power input to the power input part to the controller based on whether the drive command signal is detected; and a voltage varying part varying a voltage from the power input part and outputting a varied voltage to the drive command signal detection circuit.
F04B 15/02 - Pompes adaptées pour travailler avec des fluides particuliers, p. ex. grâce à l'emploi de matériaux spécifiés pour la pompe elle-même ou certaines de ses parties les fluides étant visqueux ou non homogènes
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
40.
Electronic board, in-vehicle electric motor and electric pump
An electronic board includes a board, and includes on the board: a power input part inputting power output from an in-vehicle power supply; a drive circuit driving a drive source; a controller controlling driving of the drive source performed by the drive circuit; and a drive command signal input part inputting a drive command signal transmitted from outside. The electronic board further includes on the board: a drive command signal detection circuit capable of detecting the drive command signal, and controlling whether to supply the power input to the power input part to the controller based on whether the drive command signal is detected.
B60R 16/03 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique
H02P 29/00 - Dispositions pour la régulation ou la commande des moteurs électriques, adaptées à des moteurs à courant alternatif et à courant continu
F04B 15/02 - Pompes adaptées pour travailler avec des fluides particuliers, p. ex. grâce à l'emploi de matériaux spécifiés pour la pompe elle-même ou certaines de ses parties les fluides étant visqueux ou non homogènes
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02P 25/16 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
41.
Pressure detection apparatus and electric hydraulic pump that houses pressure detection apparatus
A pressure detection apparatus includes a base plate including a first surface, a second surface, and an opening, a pressure sensor disposed on the first surface so as to cover the opening of the base plate and outputting an electric signal according to a pressure of measured fluid inside the opening, a lead terminal electrically connected to the pressure sensor, a housing holding the base plate and the lead terminal and including an exposed portion in which a portion of the lead terminal is exposed, and a capacitor protecting the pressure sensor. The housing includes a capacitor housing portion, the capacitor being electrically connected to the lead terminal inside the exposed portion, and a positioning portion that positions, inside the capacitor housing portion, the capacitor that has been mounted in the capacitor housing portion.
G01L 9/06 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pressionTransmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p. ex. de potentiomètre de dispositifs piézo-résistants
G01L 9/04 - Mesure de la pression permanente, ou quasi permanente d’un fluide ou d’un matériau solide fluent par des éléments électriques ou magnétiques sensibles à la pressionTransmission ou indication par des moyens électriques ou magnétiques du déplacement des éléments mécaniques sensibles à la pression, utilisés pour mesurer la pression permanente ou quasi permanente d’un fluide ou d’un matériau solide fluent en faisant usage des variations de la résistance ohmique, p. ex. de potentiomètre de jauges de contrainte à résistance
F04B 53/00 - Parties constitutives, détails ou accessoires non prévus dans les groupes ou ou présentant un intérêt autre que celui visé par ces groupes
A clutch control device includes a pump to feed oil to a hydraulic clutch, an input side oil passage connecting an oil tank and the pump and through which oil sucked from the oil tank to the pump passes, and an output side oil passage connecting the pump and the hydraulic clutch and through which oil that is pressurized by the pump and is fed from the pump to the hydraulic clutch passes. A damper connected to the input side oil passage and the output side oil passage includes an oil container containing oil, a partition that partitions the oil container into first and second spaces along a predetermined direction and at least a portion of which is movable in the predetermined direction, a first connection oil passage connecting the first space and the input side oil passage, a second connection oil passage connecting the second space and the output side oil passage, and an elastic portion that applies a force to the partition to move the partition toward the second space in the predetermined direction. The first and second spaces are filled with oil.
F15B 1/02 - Installations ou systèmes comprenant des accumulateurs
F15B 15/02 - Schéma mécanique de montage caractérisé par les moyens transformant le mouvement de l'élément entraîné par le fluide en mouvement de l'organe terminal qui est actionné
In an electric oil pump, a motor includes a main body including a coil, bus bars electrically connected to lead wires of the coil, and a shaft including a portion on one side in an axial direction protruding from an end of the main body on the one side in the axial direction and connected to a pump, a control board includes a power supply input portion and a power supply output portion and is disposed in a posture in which any one of a first surface and a second surface of the control board lies in the axial direction, the power supply input portion is at an end portion of the control board on the other side in the axial direction, and bus bar terminals are disposed on one side of the main body in the axial direction.
An actuator includes a control part, a first rotation sensor, and a second rotation sensor able to detect rotation of an output shaft. The control part performs a first rotation angle acquisition control for acquiring a target rotation angle of the output shaft when a movable part is moved from the second position to the first position as a first rotation angle. The first rotation angle is a rotation angle of the output shaft that is closer to the second position side than when the movable part abuts the first wall part. In the first rotation angle acquisition control, the control part causes the movable part abuts the first wall part, acquires a rotation angle of the output shaft when the movable part has abutted the first wall part, and calculates the first rotation angle based on the rotation angle of the output shaft that has been acquired.
F16D 63/00 - Freins non prévus ailleursFreins combinant plusieurs des types mentionnés dans les groupes
B60T 1/06 - Aménagements des éléments de freinage, c.-à-d. des parties de ceux-ci dans lesquelles se produit l'effet de freinage en agissant par retardement des roues par action autre que sur la bande de roulement, p. ex. par action sur une jante, un tambour, un disque ou sur la transmission
H02K 11/27 - Dispositifs pour détecter le courant ou actionnés par des valeurs de cette variable
H02K 11/21 - Dispositifs pour détecter la vitesse ou la position, ou actionnés par des valeurs de ces variables
F16H 63/34 - Mécanismes de verrouillage ou de mise hors service
A board surface of a control board is disposed on an outward side of a motor in a radial direction in a posture along an axial direction. A rotation angle sensor is disposed on a rear side of a control board in the axial direction. A power supply input portion on the control board is disposed in an end portion on the rear side in the axial direction. A main body of a motor includes the control board and a wiring assembly electrically connecting a connector and the rotation angle sensor to each other. The wiring assembly includes a power supply input wiring, a sensor wiring, and a wiring holder holding the power supply input wiring and the sensor wiring.
A motor control device includes a first control unit performing feedback control on a motor with a command value; one or plural second control units performing feedback control on the motor with a limit value; a control switching unit selecting, based on a deviation between the limit value and a measured value, one of the first and the one or plural of second control units as control unit. The first control unit has a first calculation unit calculating a control value, based on a deviation between the command value and a measured value of the motor related to the command value. Each second control unit has a second calculation unit calculating a control value, based on a deviation between the limit value and a measured value of the motor related to the limit value. The first and second calculation units share terms of a calculation expression of the control value.
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
H02H 3/04 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion Détails avec signalisation ou supervision additionnée à la déconnexion, p. ex. pour indiquer que l'appareil de protection a fonctionné
H02H 7/08 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour moteurs dynamo-électriques
H02P 23/00 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur
H02P 23/16 - Commande de la vitesse angulaire d’un arbre
47.
Electric pump device and attachment structure of electric pump device
An electric pump device includes a motor having a rotor and a stator portions, a pump portion and a housing. The stator portion has a stator core, and coils each having a winding portion and a crossover portion. The housing has a housing body portion having a tubular shape and extending in the axial direction, and a flange portion expanding radially outward from the outer peripheral surface of the housing body portion. The flange portion has an end surface that faces toward one side in the axial direction and is disposed in the axial direction between a first and a second virtual plane. The first and the second virtual planes pass through parts of the stator core, the winding portion, and the crossover portion located respectively closest to one and the other sides in the axial direction and expanding in a direction perpendicular to a central axis.
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
H02K 1/16 - Noyaux statoriques à encoches pour enroulements
H02K 1/22 - Parties tournantes du circuit magnétique
H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 5/24 - EnveloppesEnceintesSupports spécialement adaptés pour la réduction ou à la suppression des bruits ou vibrations
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F04D 29/40 - Carters d'enveloppeTubulures pour le fluide énergétique
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F04C 11/00 - Combinaisons de plusieurs "machines" ou pompes, chacune d'elles étant du type à piston rotatif ou oscillantInstallations de pompage
In a recirculation valve, a first support target portion receives a biasing force of a biasing member on a first stepped surface and moves to one side in an axial direction, such that a first opening is blocked. The first support target portion moves to the other side in the axial direction against a biasing force of the biasing member due to a negative pressure on a downstream side with respect to an upstream side, such that the first opening opens.
A reflux valve includes a first supported portion that plugs a first opening when a valve body biased by a biasing member moves to one side in an axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing force of the biasing member due to negative pressure applied to a downstream side relative to an upstream side, the valve body includes a first hole extending from an end on the other side in the axial direction to one side in the axial direction, a valve body portion includes a second hole extending from an outer side in a radial direction and reaching the first hole, and the valve body portion includes a third hole at a different position from the second hole in the axial direction.
A recirculation valve includes a first supported portion that closes a first opening when a valve body biased by a biasing member is moved to one side in the axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing force of the biasing member due to a negative pressure on a downstream side with respect to that on an upstream side, the valve body includes a first hole extending from an end portion on the other side in the axial direction to one side in the axial direction, and a valve body barrel portion includes a second hole that extends from a radially outward side thereof and reaches the first hole.
A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part, and a filter unit capturing foreign matters mixed in a fluid which passes through the groove-shaped flow path; the filter unit having a frame body including a through hole part and a filter member in a planar plate shape disposed with respect to the through hole part, and the filter unit being accommodated in the widened part. The frame body has: a first part having a first shape, a second part having a second shape smaller than the first shape, and a step part located at a boundary part between the first part and the second part The second part has a storage part provided in a penetrating manner on a bottom part side of the groove-shaped flow path and storing the captured foreign matters.
B01D 29/00 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants
B01D 35/147 - Soupapes de dérivation ou de sécurité
A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part; a filter unit having a frame body including a through hole part that penetrates in a direction orthogonal to a central axis, a filter member in a planar plate shape disposed on one end side in a direction of an axis of the groove-shaped flow path with respect to the through hole part, and a seal member in a ring shape disposed along an outer-side circumferential edge part of the frame body when viewed from the through hole part; and a plate-shaped member being attached to the body to cover the groove-shaped flow path in a state where the filter unit is accommodated in the widened part. The frame body has a regulating part which regulates a disposition direction of the filter member with respect to the groove part.
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
B01D 29/05 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants plats avec des supports
A pressure control device is provided and includes a body which has a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part, and a filter unit which captures foreign matters mixed in a fluid which passes through the groove-shaped flow path. The filter unit includes a frame body being in a cylindrical shape and including a through hole part which penetrates in a direction along a central axis, and at least one filter member being in a planar plate shape disposed to intercept the through hole part and supported inside the frame body, in which the filter unit is accommodated in the widened part so that a direction orthogonal to the central axis of the frame body is along a depth direction of the widened part.
B01D 29/05 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants plats avec des supports
B01D 29/58 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants à plusieurs éléments filtrants caractérisés par leur agencement relatif montés en série disposés de façon concentrique ou coaxiale
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F01M 1/16 - Commande de la quantité ou de la pression du lubrifiant
F01M 1/10 - Systèmes de lubrification caractérisés par des dispositifs de ventilation ou d'épuration du lubrifiant, p. ex. des filtres
An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a first bearing, a second bearing, and a deceleration mechanism case. The first bearing is fitted on an eccentric axis part of the motor shaft. The deceleration mechanism includes an internal gear in a ring shape, an external gear connected to the eccentric axis part, and an output flange part which transmits rotation of the external gear around the central axis to the output shaft. The deceleration mechanism case includes a case body and a cup member. The cup member includes a first cylinder part to which the internal gear is fitted on the radial-direction inner side, and a second cylinder part to which the second bearing is fitted on the radial-direction inner side.
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 7/08 - Association structurelle avec des paliers
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a bearing, and a deceleration mechanism case. The motor shaft includes an eccentric axis part with an eccentric axis as a center. The bearing is fitted on of the eccentric axis part. The deceleration mechanism includes an internal gear in a ring shape; an external gear connected to the eccentric axis part via the bearing and engaging with the internal gear; and an output flange part which transmits rotation of the external gear around the central axis to the output shaft. The deceleration mechanism case includes a plurality of gear supporting parts which support an end surface of the internal gear facing one axial-direction side and which are disposed in a circumferential direction with intervals from one another.
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 7/08 - Association structurelle avec des paliers
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
An electric actuator according to an aspect of the disclosure includes: a motor including a rotor having a motor shaft extending along a central axis and a stator facing the rotor in a radial direction; and a deceleration mechanism which is disposed on a side of the stator in an axial direction and connected to the motor shaft. The motor shaft includes an eccentric shaft part with an eccentric axis, which is eccentric with respect to the central axis, as a center, and the eccentric shaft part is connected with the deceleration mechanism. The eccentric shaft part includes a balance concave part disposed on an end part of the eccentric shaft part in a predetermined direction which is in a radial direction from the central axis toward the eccentric axis. The balance concave part is recessed from an outer surface of the eccentric shaft part.
F16H 1/32 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital dans lesquels l'axe central de la transmission est situé à l'intérieur de la périphérie d'un engrenage orbital
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
An electric actuator includes a motor and a deceleration mechanism. The motor has a motor case having a first opening end surface. The deceleration mechanism has a deceleration mechanism case having a second opening end surface. The motor case and the deceleration mechanism case are connected via a sealing member. The first opening end surface has a first end surface body part and a first end surface protrusion part. The second opening end surface has a second end surface body part and a second end surface protrusion part. The sealing member has a body part sealing part and a protrusion part sealing part. The protrusion part sealing part has an axial-direction protrusion that faces a side surface of the motor case in the first end surface protrusion part or a side surface of the deceleration mechanism case in the second end surface protrusion part in a circumferential direction.
H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
An electric actuator includes a motor which has a rotor having a motor shaft and a stator, a motor case for housing the motor, and a deceleration mechanism coupled to the motor shaft. The motor case has a case cylinder portion and a lid. The lid has a top plate portion, an outer cylinder portion, an inner cylinder portion, an annular groove portion, and an annular seal member. An axial length of the outer cylinder portion is larger than an axial length of the inner cylinder portion. An inner diameter of the annular seal member is smaller than an outer diameter of the inner cylinder portion in a state that the annular seal member is removed from the lid. The annular seal member is housed in the annular groove portion in a state of being in contact with an outer peripheral surface of the inner cylinder portion.
H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts
H02K 5/24 - EnveloppesEnceintesSupports spécialement adaptés pour la réduction ou à la suppression des bruits ou vibrations
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
59.
Electric actuator including seal member in lid groove
An electric actuator includes a motor which has a rotor having a motor shaft extending along a central axis and a stator facing the rotor in a radial direction, a motor case for housing the motor, and a deceleration mechanism coupled to one axial side of the motor shaft. The motor case has a case cylinder portion, a lid for covering, and a plurality of screws. The case cylinder portion has a plurality of screw fixing portions. The lid has a top plate portion, an outer cylinder portion which surrounds the case cylinder portion from a radial outer side, an annular groove portion, and a seal member which seals the opening portion of the case cylinder portion. In the lid, an axial thickness of a region which overlaps the annular groove portion as viewed in the axial direction is larger than an axial thickness of the top plate portion.
A control device of a motor includes difference calculation circuitry that calculates a difference between a current rotation speed and a target rotation speed of the motor, coefficient correction circuitry that outputs corrected proportion coefficient and integration coefficient by multiplying each of an initially set proportion coefficient and integration coefficient by a correction coefficient, output voltage determination circuitry that calculates at least one of a proportional term in which the difference is multiplied by the corrected proportion coefficient and an integral term in which the difference is multiplied by the corrected integration coefficient and the result is integrated and determines one of the proportional term and the integral term or the sum of the two terms as a control value of the output voltage, and signal generation circuitry that generates a control signal on the basis of the control value.
H02P 1/00 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques
H02P 3/00 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques
H02P 5/00 - Dispositions spécialement adaptées à la régulation ou la commande de la vitesse ou du couple d’au moins deux moteurs électriques
H02P 6/17 - Dispositions de circuits pour détecter la position et pour l’obtention d’informations sur la vitesse
H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
An electric oil pump includes a motor including a shaft, a pump driven with the shaft therebetween, and an inverter fixed to a rear side of the motor. The motor includes a motor housing. The inverter includes an inverter housing including a circuit board accommodation portion. The inverter housing includes bus bars that connect coil ends inside the circuit board accommodation portion and extending from the motor and a circuit board to each other. The motor housing includes a bottomed cylindrical shape including a bottom portion on the inverter side. The inverter housing includes a fixed portion that is fixed to the bottom portion. The fixed portion is fixed to the bottom portion using fixing members, and the fixing members are disposed within a region surrounded by bus bars.
H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02K 21/16 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits avec des noyaux d'induits annulaires à pôles saillants
F04C 2/08 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés
F04C 2/10 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
An electric actuator includes a motor with a motor shaft extending along a central axis, a speed reducer connected to the motor shaft, an output portion including an output shaft portion, a rotation detector to detect rotation of the output portion, a case, a first bearing to connect the motor shaft to the output portion to be rotatable with respect to each other, and a second bearing to rotatably support the output portion with respect to the case. A support tubular portion into which the second bearing is fitted is provided at a portion of an inner surface of the case on one side in the axial direction for the speed reducer. The first bearing, the output portion, the second bearing and the support tubular portion overlap each other when seen in a radial direction. At least a portion of the rotation detector faces an outward side of the support tubular portion in the radial direction.
F16H 1/32 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital dans lesquels l'axe central de la transmission est situé à l'intérieur de la périphérie d'un engrenage orbital
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 11/215 - Dispositifs utilisant un effet magnétique, p. ex. des éléments à effet Hall ou magnéto-résistifs
F16H 57/021 - Structures de support d'arbres, p. ex. parois de séparation, orifices de logement de paliers, parois de carter ou couvercles avec paliers
F16H 57/02 - Boîtes de vitessesMontage de la transmission à l'intérieur
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
A hydraulic control apparatus includes an output-side oil passage into which oil from a first oil passage and oil from a second oil passage flow, and a pressure regulating check valve regulating a hydraulic pressure in the second oil passage. The pressure regulating check valve includes first and second elastic portions housed in a spool hole between a valve body and a bottom of the spool hole. A natural length of the second elastic portion is shorter than a distance between the valve body and the bottom when the valve body closes an inflow hole. The second elastic portion applies an elastic force to the valve body in a state in which the valve body opens the inflow hole.
F16K 17/04 - Soupapes ou clapets de sûretéSoupapes ou clapets d'équilibrage ouvrant sur excès de pression d'un côtéSoupapes ou clapets de sûretéSoupapes ou clapets d'équilibrage fermant sur insuffisance de pression d'un côté actionnés par ressort
F16K 15/18 - Soupapes, clapets ou valves de retenue à mécanisme de commandeSoupape de retenue et soupape à mécanisme de commande combinées
F15B 1/26 - Réservoirs d'alimentation ou de pompage
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F01M 1/16 - Commande de la quantité ou de la pression du lubrifiant
An electric pump (100) provided with a pump section (20) which is rotationally driven by an electric motor (10) to discharge hydraulic oil is provided with: a drive shaft (11) for transmitting the rotational dive force of the electric motor (10) to the rotor (24) of the pump section (20); a rotation detecting shaft (40) provided coaxially with the drive shaft (11) and rotating with the rotor (24); and a rotation detecting section (50) for detecting the rotation of the rotation detecting shaft (40). The rotation detecting shaft (40) has an engaging section (41) engaging with the rotor (24), and has a section (43) to be detected, which faces the rotation detecting section (50). The outer diameter of the section (43) to be detected is set to be greater than the outer diameter of the engaging section (41).
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F04B 53/00 - Parties constitutives, détails ou accessoires non prévus dans les groupes ou ou présentant un intérêt autre que celui visé par ces groupes
This electric oil pump is provided with a motor unit having a motor shaft, a pump unit which is driven by the motor unit and which includes a vane pump that takes in and discharges oil, and an inverter unit which drives the motor unit, wherein: the motor unit is provided with a rotatable rotor, a stator disposed on the radially outer side of the rotor, and a motor housing accommodating the rotor and the stator; the motor housing is provided with an intake port from the outside, for oil taken in by the vane pump, and a discharge port to the outside, for oil discharged by the vane pump; a portion of an outer peripheral shape of the motor housing includes a flat surface portion; and the intake port and the discharge port are disposed in the flat surface portion of the motor housing, in a first surface of a side surface parallel to an axial direction.
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
F04C 2/344 - Machines ou pompes à piston rotatif possédant les caractéristiques couvertes par au moins deux des groupes , , , ou par l'un de ces groupes en combinaison avec un autre type de mouvement entre les organes coopérants avec à la fois le mouvement défini dans l'un des groupes ou et un mouvement alternatif relatif entre les organes coopérants les organes obturateurs ayant un mouvement alternatif par rapport à l'organe interne
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
A motor assembly includes a motor, a housing that accommodates the motor, an inverter electrically connected to the motor, an inverter case that accommodates the inverter, an auxiliary device provided in a lower portion of the housing to oppose a road surface, a wire harness that includes a first connector connected to a connector provided in the inverter case, a second connector connected to a connector provided in the auxiliary device, and an electric wire connecting the first connector and the second connector, and a lower connector cover provided in the lower portion of the housing and covering the second connector from a lower side.
F16H 57/03 - Boîtes de vitessesMontage de la transmission à l'intérieur caractérisés par des moyens pour renforcer les boîtes de vitesses, p. ex. nervures
F16H 57/04 - Caractéristiques relatives à la lubrification ou au refroidissement
B60K 1/00 - Agencement ou montage des ensembles de propulsion électriques
B60K 17/04 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission
F01M 1/02 - Lubrification sous pression utilisant des pompes de lubrification
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
H02P 27/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs
F16H 57/02 - Boîtes de vitessesMontage de la transmission à l'intérieur
67.
Motor assembly including inverter case and wiring harness
A motor assembly includes a motor, a housing that houses the motor, an inverter that is electrically connected to the motor, an inverter case that houses the inverter and is provided integrally with the housing, a wire harness including a first connector electrically connected to a connector positioned on a side surface of the inverter case, a second connector electrically connected to a connector of the housing, and an electric wire electrically connecting the first connector and the second connector, and a side connector cover provided over the side surface of the inverter case, covering the first connector laterally.
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
H02P 25/16 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de moteur ou par des détails de structure caractérisés par des dispositions de circuit ou par le type de câblage
A pressure sensor device includes a pressure sensor, a sensor case, first and second terminals protruding from the pressure sensor in a first direction, a third terminal protruding from the pressure sensor in a second direction, a fourth terminal protruding from the pressure sensor in the second direction, a first capacitor on one side of the pressure sensor, a second capacitor on the other side of the pressure sensor, a first lead line extending out of the sensor case from the first terminal, a second lead line extending out of the sensor case from the second terminal, and a third lead line extending out of the sensor case from a side edge between the first terminal and the second terminal.
A motor, an inverter substrate electrically connected to the motor, a housing accommodating the motor and the inverter substrate, and a pump section driven by the motor are included. The inverter substrate is disposed on one side of the motor. The pump section is disposed on the other side of the motor. The housing has a motor housing section accommodating the motor, an inverter housing section accommodating the inverter substrate, and a breather section establishing communication between inside and outside of the housing. The motor housing section has an accommodation tubular section accommodating the motor and a brim section spreading outward in a radial direction from an end of the accommodation tubular section. The inverter housing section is disposed on one side of the brim section and overlaps the brim section when seen in the axial direction. The breather section is disposed at the brim section.
H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02P 27/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs
The disclosure reduces inconvenience for a driver at the time of operating parking locking, thereby curbing cost reduction and space saving becoming difficult due to additional installation of a drive source for parking locking. The disclosure provides a motor driver mounted on a vehicle, including a rotation prevention arm which can move between a position where it is interposed between teeth of a parking gear portion to prevent rotation of a second gear thereby preventing rotation of each gear in a transaxle and a position where it is not interposed between the teeth, and a transmission mechanism which transmits a driving force of a motor shaft of an electric pump for transferring oil in a housing of the transaxle to the rotation prevention arm.
An electric pump device is provided. The electric pump device includes a motor, an inverter substrate electrically connected to the motor, a housing for housing the motor and the inverter substrate, and a pump portion driven by power of the motor. The housing includes a motor housing portion for housing the motor and an inverter housing portion for housing the inverter substrate. The motor housing portion has strut portions which extend inside the inverter housing portion and fixed to the inverter substrate.
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 5/24 - EnveloppesEnceintesSupports spécialement adaptés pour la réduction ou à la suppression des bruits ou vibrations
H02K 5/16 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
F04D 25/06 - Ensembles comprenant des pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
One embodiment of a drive device according to the present invention is a drive device which causes an axle of a vehicle to rotate, provided with: a motor including a motor shaft which rotates about a motor axis; a speed reducing device connected to the motor shaft; a differential device which is connected to the speed reducing device and which causes the axle to rotate about a differential axis; a housing which includes a motor accommodating portion accommodating the motor, and a gear accommodating portion accommodating the speed reducing device and the differential device, and inside which oil is accommodated; and an electric oil pump for feeding the oil within the housing. The differential axis coincides with the motor axis. The motor shaft is a hollow shaft which is open at both sides in the axial direction. The axle passes through the interior of the motor shaft. The electric oil pump supplies the oil into a radial gap between the motor shaft and the axle.
F16H 57/04 - Caractéristiques relatives à la lubrification ou au refroidissement
F16H 1/06 - Transmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant uniquement deux organes engrenés dont les axes sont parallèles
F16H 1/28 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital
F16H 57/021 - Structures de support d'arbres, p. ex. parois de séparation, orifices de logement de paliers, parois de carter ou couvercles avec paliers
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
One embodiment of the motor unit according to the present invention is a motor unit which is mounted to a vehicle and drives the vehicle. The motor unit comprises: a body portion having a motor and a housing that houses the motor; and an inverter unit having an inverter that supplies electric power to the motor and an inverter case that houses the inverter. The body portion has a first busbar connected to a coil in the motor. The inverter unit has a second busbar connected to the inverter and connected, in a connection section, to the first busbar. The first busbar has: a terminal connection section connected to the coil at an end on one side of the motor in the axial direction; a radial-direction extension section extending from the terminal connection section to the outside of the motor in the radial direction; and an axial-direction extension section extending, from an end of the radial-direction extension section on the outside in the radial direction, along an outside surface of the motor in the axial direction of the motor. The first busbar has a plate shape wherein, in the axial-direction extension section, the radial direction of the motor serves as the plate thickness direction.
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
B60K 17/12 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission électrique
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
One embodiment of a motor unit according to the present invention is provided with a motor, a transmission mechanism, a housing, and a parking lock mechanism provided in the transmission mechanism. The transmission mechanism includes: a motor drive shaft; a motor drive gear fixed to the motor drive shaft; a counter shaft extending along a counter axis; a counter gear and a drive gear fixed to the counter shaft; a ring gear which meshes with the drive gear and which rotates about an output axis; and an output shaft which is connected to the ring gear and which rotates about the output axis. The motor drive shaft is a hollow shaft which is open at both sides in the axial direction of the motor axis. The output shaft passes through the interior of the motor drive shaft. The parking lock mechanism includes: a parking lock gear fixed to the counter shaft; a parking lock arm which meshes with the parking lock gear; and a parking lock actuator which drives the parking lock arm.
F16H 63/34 - Mécanismes de verrouillage ou de mise hors service
B60K 1/00 - Agencement ou montage des ensembles de propulsion électriques
B60T 1/06 - Aménagements des éléments de freinage, c.-à-d. des parties de ceux-ci dans lesquelles se produit l'effet de freinage en agissant par retardement des roues par action autre que sur la bande de roulement, p. ex. par action sur une jante, un tambour, un disque ou sur la transmission
75.
Electric valve device, fresh air passage mechanism, and internal-combustion engine
Provided is an electric valve device which is capable of improving the accuracy of detecting whether there is a gas leakage from a blow-by gas passage and capable of detecting detachment of the electric valve device from a pipe of a fresh air passage. The electric valve device includes an inflow side pipe portion, an outflow side pipe portion, a barrier which partitions off the inflow side pipe portion from the outflow side pipe portion, a valve body which opens and closes an opening arranged on the barrier by moving in the axial direction, and a solenoid which drives the valve body. The inflow side pipe portion includes a bypass path which communicates with the outflow side pipe portion through a second opening separately from a passage which communicates with the outflow side pipe portion through a first opening used as the opening.
An inverter substrate has a plurality of heat generating elements mounted thereon and disposed at intervals from each other. A housing has an inverter housing section that accommodates the inverter substrate. The inverter housing section has a first member that faces one plate surface of a pair of plate surfaces of the inverter substrate, a second member that faces the other plate surface of the pair of plate surfaces, and a plurality of heat conductive sheets that are disposed between the first member or the second member and the inverter substrate and are brought into contact with the first member or the second member and the inverter substrate. The heat conductive sheets are thermally connected to the heat generating elements. The heat conductive sheets are individually disposed at positions at which the heat conductive sheets overlap the plurality of heat generating elements in a plan view of the inverter substrate.
H02K 9/22 - Dispositions de refroidissement ou de ventilation par un matériau solide conducteur de la chaleur s'encastrant dans, ou mis en contact avec, le stator ou le rotor, p. ex. des ponts de chaleur
H02K 3/46 - Fixation des enroulements sur la structure statorique ou rotorique
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
Provided is a motor driving unit (1) capable of achieving space saving of a motor room and cost reduction of a vehicle. The motor driving unit (1) includes a motor (10), an inverter (50) that controls driving of the motor (10), and a transaxle (30). The inverter (50) is disposed at a position facing the second gear (32) in the transaxle (30) in a Z-axis direction of the motor (10), and a flow channel of refrigerant arranged inside the inverter (50) is partitioned off from an internal space of the motor (10) by a single barrier.
H02K 5/12 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
F16H 48/12 - Transmissions différentielles sans engrenages à mouvement orbital
H02K 9/00 - Dispositions de refroidissement ou de ventilation
An electric actuator includes a motor, a speed reduction mechanism, a first bearing, and a bearing holder. The speed reduction mechanism has external and internal gears, an output flange that is positioned at one side in an axial direction from the external gear, and a plurality of projecting portions that project in the axial direction from one of the output flange and the external gear toward the other. The plurality of projecting portions are inserted into a plurality of first bore portions disposed along a circumferential direction, respectively. The bearing holder has a cylindrical circumferential wall positioned at an outer side in a radial direction of the first bearing and a support wall supporting the first bearing from the other side in the axial direction. A position adjustment mechanism configured to be capable of moving the support wall in the axial direction is arranged in the bearing holder.
H02K 7/08 - Association structurelle avec des paliers
H02K 7/075 - Moyens de transformation d'un mouvement alternatif en un mouvement circulaire ou vice versa utilisant des manivelles ou des excentriques
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
F16H 37/12 - Transmissions comportant principalement une transmission à engrenages ou à friction, des maillons ou des leviers, des cames, ou bien des organes appartenant à deux des trois types ci-dessus au moins
F16H 57/02 - Boîtes de vitessesMontage de la transmission à l'intérieur
A motor unit includes a motor having a motor shaft disposed along a central axis which extends in an axial direction, and a cooling unit which cools the motor, wherein the cooling unit includes a first suction port configured to suction a first refrigerant which cools the motor, a first discharge port configured to discharge the first refrigerant suctioned from the first suction port, a second suction port configured to suction a second refrigerant which cools the first refrigerant by exchanging heat with the first refrigerant, and a second discharge port configured to discharge the second refrigerant suctioned from the second suction port.
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
H02K 9/193 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile avec des moyens de remplissage de l'agent de refroidissementDispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile avec des moyens pour empêcher les fuites de l'agent de refroidissement
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02K 9/26 - Association structurelle de machines à des dispositifs de nettoyage ou d'assèchement de l'agent de refroidissement, p. ex. de filtres
An electric pump apparatus includes a motor, an inverter board, a coil support, a housing, and a pump portion driven by the motor. Coils include first end portions and second end portions drawn out from the coils, the first end portion and the second end portion defining both end portions of each of conducting wires of the coils. The inverter board is on a first axial side of the motor. The coil support includes a neutral point busbar that electrically connects the coils to one another. The coil support includes a first region including the first end portions arranged therein, each first end portion being directly connected to the inverter board, and a second region including the second end portions and the neutral point busbar arranged therein, each second end portion being connected to the neutral point busbar.
H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
H02K 7/08 - Association structurelle avec des paliers
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
H02K 21/16 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits avec des noyaux d'induits annulaires à pôles saillants
One embodiment of the drive device according to the present invention is a drive device which rotates a vehicle axle and comprises: a motor having motor shaft and a rotor body fixed to the motor shaft, said motor shaft being a hollow shaft rotating around the motor axis and opening to both sides in the axial direction; a deceleration device having a motor drive gear fixed to the motor shaft and being connected to the motor shaft; a differential device connected to the deceleration device and rotating the vehicle axle around a differential axis; and a housing having a motor housing section that houses the motor and a gear housing section that houses the deceleration device and the differential device. The differential axis matches the motor axis. The vehicle axle passes through the interior of the motor shaft. An end section on one side of the motor shaft, in the axial direction, protrudes inside the gear housing section. The motor shaft has a first shaft member having the rotor body fixed thereto, and a second shaft member having the motor drive gear fixed thereto and being coupled to one side of the first shaft member, in the axial direction.
B60K 17/04 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission
B60K 1/00 - Agencement ou montage des ensembles de propulsion électriques
B60K 17/02 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type d'embrayage
B60K 17/12 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission électrique
B60K 17/16 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission du différentiel
F16D 11/10 - Embrayages dans lesquels les organes ont des parties qui se pénètrent mutuellement actionnés par le déplacement axial d'une pièce non tournante avec organes d'embrayage mobiles selon l'axe uniquement
F16H 1/08 - Transmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant uniquement deux organes engrenés dont les axes sont parallèles les organes ayant des dents en hélice, en chevrons ou similaires
F16H 57/021 - Structures de support d'arbres, p. ex. parois de séparation, orifices de logement de paliers, parois de carter ou couvercles avec paliers
H02K 7/10 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques
One embodiment of a motor unit according to the present invention is provided with a motor, a transmission mechanism, a housing, and an inverter unit. The transmission mechanism includes: a motor drive shaft; a motor drive gear fixed to the motor drive shaft; a counter shaft extending along a counter axis; a counter gear and a drive gear fixed to the counter shaft; a ring gear which meshes with the drive gear and which rotates about an output axis; and an output shaft which is connected to the ring gear and which rotates about the output axis. The motor drive shaft is a hollow shaft which is open at both sides in the axial direction of the motor axis. The output shaft passes through the interior of the motor drive shaft. The inverter unit is positioned directly above the motor. At least part of the inverter unit overlaps the counter gear when viewed from the axial direction of the motor axis.
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
B60K 17/12 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission électrique
F16H 1/06 - Transmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant uniquement deux organes engrenés dont les axes sont parallèles
F16H 57/04 - Caractéristiques relatives à la lubrification ou au refroidissement
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
An electric actuator includes a motor portion, a circuit board, a speed reduction mechanism, a busbar holder that holds a busbar, and a housing. The housing has a motor case and a compartmental wall. The compartmental wall has a through-hole which penetrates the compartmental wall in an axial direction. The busbar holder has a base portion and a projecting portion which projects from the base portion in the axial direction and is disposed in the through-hole. An end portion of the busbar at one side projects from the busbar holder toward one side in the axial direction and is connected to the circuit board, and an end portion of the busbar at the other side projects into the through-hole from a side surface of the projecting portion of the busbar holder and is connected to a coil of a stator.
The disclosure provides a pressure control device that improves the workability in assembling a body and a filter unit. The pressure control device includes a body and a filter unit. The body has a flow path that includes a groove and a widened part. The widened part is connected to the groove, extends to a bottom of the groove, and has a width larger than a width of the groove. The filter unit is housed along a depth direction of the widened part to capture foreign matter mixed in a fluid that passes through the flow path. The filter unit includes a cylindrical frame and a flat plate-shaped filter member, wherein the frame includes a through hole part that penetrates in a direction orthogonal to a central axis, and the filter member is disposed to block the through hole part.
F15B 21/041 - Élimination ou mesure de la contamination solide ou liquide, p. ex. par filtration
F16H 57/04 - Caractéristiques relatives à la lubrification ou au refroidissement
F16H 61/00 - Fonctions internes aux unités de commande pour changements de vitesse ou pour mécanismes d'inversion des transmissions transmettant un mouvement rotatif
F01M 1/16 - Commande de la quantité ou de la pression du lubrifiant
F15B 13/08 - Assemblages de distributeurs élémentaires utilisés chacun pour la commande d'un seul servomoteur
A pressure control device reliably preventing foreign matter from flowing beyond a filter unit to the downstream side. The pressure control device includes a body and a cylindrical filter unit. The body has a flow path including a groove and a widened part. A depth of the groove from an upper surface to a bottom is a first depth. The widened part is connected to the groove, extends from the upper surface to the bottom, and has a width larger than a width of the groove. The filter unit is housed along a depth direction of the widened part to capture foreign matter mixed in a fluid passing through the flow path. A depth of the widened part from the upper surface to a bottom surface is a second depth larger than the first depth. The widened part includes a receiving part that a part of the filter unit enters.
B01D 29/05 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants plats avec des supports
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
Provided is a pressure control apparatus in which workability in assembly of a body, a spool valve, a retainer, and an elastic member is improved and a high degree of freedom in a design of installation of the spool valve is obtained. A pressure control apparatus includes: a body having an opening portion penetrating a wall portion which demarcates a spool hole; a spool valve that is disposed displaceably in the spool hole; a plate-shaped retainer disposed at one end side of the spool valve in an axial direction in the spool hole; and an elastic member 6 disposed between the spool valve in the spool hole and the retainer. The retainer has a wide portion and a narrow portion. The opening portion has a first opening portion that allows the retainer to pass through and a second opening portion that inhibits the retainer from passing through.
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F16H 61/00 - Fonctions internes aux unités de commande pour changements de vitesse ou pour mécanismes d'inversion des transmissions transmettant un mouvement rotatif
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
F16H 57/04 - Caractéristiques relatives à la lubrification ou au refroidissement
A solenoid valve includes a solenoid including a guide, a mover that moves in an axial direction radially inside the guide, a yoke made of a magnetic material and disposed on one axial side of the mover, a magnet on one axial side of the yoke, an elastic body that applies an elastic force to the mover in the direction away from the magnet, a cover made of a magnetic material, a pin which moves as the mover moves, and a valve that is opened and closed as the mover and the pin move. The cover includes a cylinder surrounding the radial outside of the solenoid, a first wall on the other axial side of the solenoid, and a second wall that covers one axial side of the magnet.
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 29/08 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p. ex. tubes à décharge ou dispositifs à semi-conducteurs avec des dispositifs détecteurs de la position utilisant des dispositifs à effet magnétique, p. ex. dispositifs à effet Hall ou magnéto-résistances
H02K 11/215 - Dispositifs utilisant un effet magnétique, p. ex. des éléments à effet Hall ou magnéto-résistifs
G01R 33/02 - Mesure de la direction ou de l'intensité de champs magnétiques ou de flux magnétiques
H02B 1/20 - Schémas de barres omnibus ou d'autres fileries, p. ex. dans des armoires, dans les stations de commutation
89.
Control device, control method, motor, and electric oil pump
A controller of a motor control device increases a voltage to be applied to a coil based on a control signal calculated from an estimated rotation speed, when the estimated rotation speed becomes equal to or lower than a predetermined rotation speed, increases the voltage to be applied to the coil based on a control signal calculated from an actual rotation speed, in a case where the actual rotation speed is lower than the predetermined rotation speed when the estimated rotation speed becomes higher than the predetermined rotation speed, and decreases the voltage to be applied to the coil based on a control signal calculated from the actual rotation speed, in a case where the actual rotation speed is higher than the predetermined rotation speed when the estimated rotation speed becomes higher than the predetermined rotation speed.
F04B 43/04 - Pompes ayant un entraînement électrique
F04B 35/04 - Pompes à piston spécialement adaptées aux fluides compressibles et caractérisées par les moyens d'entraînement de leurs organes de travail ou par leur combinaison avec les machines motrices ou moteurs qui les entraînent ou bien par leurs adaptations à cet effet, non prévues ailleurs les moyens étant électriques
A sensor attachment structure of an oil pressure sensor suitable for use as a control valve of an automobile transmission includes a sensor case inserted into an accommodation space 4 of a valve upper-body portion such that a body portion of the sensor case is capable of rotating about a vertical central axis. A stopper projects in a horizontal direction from the upper body, the stopper being movable vertically in a guide groove of the sensor case, and a rotatable relative to a restricting portion of the central case to restrict a vertical movement of the stopper to prevent the oil pressure sensor from falling off the upper body.
G01L 19/00 - Détails ou accessoires des appareils pour la mesure de la pression permanente ou quasi permanente d'un milieu fluent dans la mesure où ces détails ou accessoires ne sont pas particuliers à des types particuliers de manomètres
F16K 27/00 - Structures des logementsMatériaux utilisés à cet effet
G01M 13/02 - Mécanismes d’engrènementMécanismes de transmission
F16H 61/02 - Fonctions internes aux unités de commande pour changements de vitesse ou pour mécanismes d'inversion des transmissions transmettant un mouvement rotatif caractérisées par les signaux utilisés
F16H 61/00 - Fonctions internes aux unités de commande pour changements de vitesse ou pour mécanismes d'inversion des transmissions transmettant un mouvement rotatif
A solenoid device includes a yoke, a core, a shaft, a bobbin, a coil, a plunger, a lid, and a housing. A housing body part of the housing has a first opening; a first inner wall part expanding toward the outer side in the radial direction on an inner wall; and a first caulking part extending from the rear side end. The first inner wall part has a first step part extending toward the outer side in the radial direction at an end on the other side in the axial direction. A first cylindrical part of the yoke has a first flange part. The first flange part contacts the first step part with an end surface on the other side in the axial direction. The first caulking part is bent toward the inner side in the radial direction to contact a circumferential edge part of the lid.
H01F 7/08 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures
H01F 7/128 - Encapsulation, mise sous enveloppe ou scellement
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
A solenoid device includes a yoke, a core, a shaft, a bobbin, a coil, a plunger, a lid, and a housing. A housing body part of the housing has a first opening that opens on the rear side; and a first inner wall part expanding in a cylindrical shape on the outer side in the radial direction on an inner wall on the rear side. The first inner wall part has a first step part at the end on the other side in the axial direction. A first cylindrical part of the yoke has a first flange part on the rear side. The first flange part has a hole penetrating in the axial direction. A second space, which communicates a second through hole with the hole when the plunger has moved to a retreat position, is provided between an inner surface of the lid and the plunger and the yoke.
H01F 7/08 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures
H01F 7/128 - Encapsulation, mise sous enveloppe ou scellement
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
A solenoid device includes a yoke, a core, a shaft, a bobbin, a coil, a plunger, a lid, and a housing. A housing body part of the housing has a first opening; a cylindrical first inner wall part having a first step part extending toward the outer side in the radial direction; and a cylindrical second inner wall part having a second step part extending toward the outer side in the radial direction. A first cylindrical part has a first flange part. The outer diameter of the first flange part is larger than the inner diameter of the first inner wall part and smaller than the inner diameter of the second inner wall part. A circumferential end part of the first flange part contacts the second step part. The lid is non-magnetic, and a circumferential edge part is held between the first step part and the first flange part.
H01F 7/08 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures
F16K 11/07 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture glissant linéairement à glissières cylindriques
H01F 7/17 - Armatures à mouvement rectiligne et pivotant
F16K 51/00 - Autres détails non particuliers aux types de soupapes ou clapets ou autres appareils d'obturation
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
F16K 3/24 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture à faces d'obturation en forme de surfaces de solides de révolution avec corps de tiroir cylindrique
H01F 7/13 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures caractérisés par la caractéristique de force d'attraction
94.
Electric actuator including two cases fixed to each other
An electric actuator includes: a motor; a first case accommodating the motor; a second case located on one side in an axial direction of the first case; a bearing holder fixed to the first case; and a first bearing held by the bearing holder. The first case has a wall part covering the other side in the axial direction of a stator and having a through hole. The bearing holder has: a holder cylindrical part holding the first bearing and inserted into the through hole; and a holder flange part fixed to the wall part. An inner diameter of the through hole is larger than an outer diameter of the holder cylindrical part. At least a part of a radially outer surface of the holder cylindrical part in a circumferential direction is located in a position radially inside and away from a radially inner surface of the through hole.
H02K 5/24 - EnveloppesEnceintesSupports spécialement adaptés pour la réduction ou à la suppression des bruits ou vibrations
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
H02K 7/08 - Association structurelle avec des paliers
F16H 1/32 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital dans lesquels l'axe central de la transmission est situé à l'intérieur de la périphérie d'un engrenage orbital
F16C 35/06 - Montage des roulements à billes ou à rouleauxLeur fixation sur l'arbre ou dans la carcasse d'enveloppe
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
95.
Electric actuator having rotation sensor on outer surface of case
One aspect of an electric actuator of the disclosure includes: a motor having a motor shaft rotating about a central axis; a speed reduction mechanism connected to a portion on one side in an axial direction of the motor shaft; a case accommodating the motor and the speed reduction mechanism; an output part to which rotation of the motor shaft is transmitted via the speed reduction mechanism; a rotation detector having a rotation sensor detecting rotation of the output part; and a wiring member electrically connected with the rotation sensor. The case has a first concave part located on an outer surface of the case. One end part of the wiring member penetrates the case from inside the case and protrudes inside the first concave part. The rotation sensor is located inside the first concave part and connected with one end part of the wiring member.
H02K 11/215 - Dispositifs utilisant un effet magnétique, p. ex. des éléments à effet Hall ou magnéto-résistifs
H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
In an electric actuator, an output shaft has a housing recess. An end of a motor shaft is housed in the housing recess. A first bearing supports the motor shaft in the housing recess. The motor shaft has an eccentric shaft. A deceleration mechanism includes an external gear connected to the eccentric shaft via a second bearing, an internal gear engaged with the external gear, a flange part expanding from the output shaft, and protrusions protruding from the flange part and disposed along the circumferential direction. The external gear has holes recessed on the other side in the axial direction. The holes are disposed along the circumferential direction and each have an inner diameter larger than the outer diameter of the protrusion. The protrusions are inserted into the holes respectively and support the external gear to be swingable around the central axis via the inner surfaces of the holes.
H02K 7/08 - Association structurelle avec des paliers
F16H 1/32 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital dans lesquels l'axe central de la transmission est situé à l'intérieur de la périphérie d'un engrenage orbital
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
This electric oil pump 1 has a motor unit 10, a pump unit 40, and an inverter unit 70 fixed to the motor unit 10. The motor unit 10 has a rotor, a stator, and a motor housing 13 that accommodates the rotor and the stator. The pump unit 40 has a pump rotor, a suction port 63 for suctioning oil, a discharge port 64 for discharging oil, and a pump housing 51 which accommodates the pump rotor. The pump housing 51 has a pump body 52 that accommodates the pump rotor and a pump cover 57 attached to the pump body. The pump cover 57 has an end surface 58 provided on one side in the axial direction and a cylindrical side surface 61 connected to a peripheral section of the end surface 58 and extending to the other side in the axial direction. The suction port 63 is provided in any one among the end surface 58 and the side surface 61, and the discharge port 64 is provided in the other.
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F04C 15/06 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement
H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
This motor unit 100 has a motor part 10 and an inverter part 70 fixed to a motor part 40. The motor part 10 has a rotor 20, a stator 22, and a motor housing 13 for accommodating the rotor and stator. The inverter part 70 has an inverter housing 73 including a circuit board 75. The motor housing 13 has: a cylindrical section 14 positioned radially outside the stator 22; and a base plate 25 connected to the inverter part 70-side end of the cylindrical section 14. The base plate 25 has a fixing member that is integrally provided therewith to fix the inverter housing 73 in at least an axial direction.
A control unit has a first electronic component and a control substrate on which the first electronic component is mounted. A detection unit has a second electronic component and a rotation angle detection substrate on which the second electronic component is mounted. The plane of the control substrate expands in a direction perpendicular to an axial direction. The plane of the rotation angle detection substrate expands in a direction perpendicular to the axial direction. The rotation angle detection substrate is located on the other axial side of a shaft. The control substrate is located on the other axial side of the rotation angle detection substrate. The control substrate overlaps the rotation angle detection substrate in the axial direction. A connection member electrically connects the rotation angle detection substrate and the control substrate. The connection member has an extending part extending in a direction away from the rotation angle detection substrate and the control substrate.
There is provided an electric actuator including a motor part, a deceleration mechanism, an output part, and a housing. The housing has a housing main body and a lid member. An output shaft is positioned at a first corner of the housing. The lid member and the housing main body are fastened by bolts. The bolts include corner bolts positioned at respective corners of the housing other than the first corner and an intermediate position bolt positioned at the intermediate between the first corner and a second corner adjacent to the first corner. In a plane view, the intermediate position bolt is positioned on the side of the planar center with respect to an edge connecting the first corner and the second corner and on the side of an outer edge with respect to an imaginary line connecting the center of the output shaft and the second corner.
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
brevets
