The present application discloses a fluid pump, comprising a pump casing, and an impeller and a motor connected to the impeller, wherein the impeller and the motor are arranged in the pump casing. The motor comprises a stator assembly and a rotor assembly. The impeller is connected to the rotor assembly. The stator assembly comprises a stator casing, a stator magnetic core disposed in the stator casing, a coil wound on the stator magnetic core, a conductive terminal electrically connected to the coil, a terminal support part for supporting the conductive terminal, and a circuit board electrically connected to the conductive terminal. A partition plate is disposed in the stator casing. The partition plate divides the internal space of the stator casing into a first space and a second space. The coil and the circuit board are arranged in the first space and the second space, respectively. The partition plate is recessed towards the circuit board to form a receiving slot for accommodating the terminal support part. One end of the conductive terminal in the axial direction is located in the terminal support part, and the other end thereof in the axial direction passes through the bottom of the receiving slot and is then connected to the circuit board. According to the present application, heat of the coil can be effectively prevented from radiating towards the circuit board, and further the temperature of the circuit board is effectively controlled.
A multi-channel valve (1) and a thermal management system. The multi-channel valve (1) comprises a valve housing (10) and a valve core (20) rotatably provided in the valve housing (10); the valve housing (10) is provided with a plurality of valve ports (31); the valve core (20) is provided with a plurality of flow channels (32), where two ends of each flow channel (32) are separately in communication with two valve ports (31) of the valve housing (10). A plurality of buffer cavities (40) are formed between an inner surface of the valve housing (10) and an outer surface of the valve core (20), and the plurality of buffer cavities (40) are sealed and separated from each other; the valve core (20) is provided with a plurality of equalization holes (50), each equalization hole (50) is arranged corresponding to a flow channel (32), and each buffer cavity (40) is in communication with a corresponding flow channel (32) by means of an equalization hole (50). The multi-channel valve (1) can reduce or prevent internal leakage.
F16K 11/074 - 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 articulés à pivot à faces d'obturation planes
F16K 11/085 - 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 robinets à boisseau à noix cylindrique
3.
PUMP CONNECTING MEMBER, PUMP ASSEMBLY, AND DISHWASHER
Provided are a pump connecting member (100), a pump assembly provided with the pump connecting member (100), and a dishwasher provided with the pump assembly. The pump connecting member (100) comprises a main body (20) and a core body (30) embedded in the main body (20); the main body (20) is an elastic member; the rigidity of the core body (30) is greater than the rigidity of the main body (20); the main body (20) comprises a first connecting portion (21) and a second connecting portion (22) which are arranged at an angle to each other; the first connecting portion (21) is used for connecting a pump (200), and the second connecting portion (22) is used for connecting a target object. Thus, a shock-absorbing connection can be established between the pump (200) and a target object to be connected, preventing vibration generated by the pump (200) during running from being transmitted to other devices connected to the pump (200) and affecting the operation of other devices, and greatly reducing the generation of noise, improving user experience.
A fluid pump, comprising a motor (10), a pump head (20), and a cooling sleeve (30). The motor (10) comprises a stator assembly (11) and a circuit board assembly (13) arranged at one axial end of the stator assembly (11). The pump head (20) and the other axial end of the stator assembly (11) jointly enclose to form a pump cavity (40), the pump head (20) is provided with a liquid inlet (210) and a liquid outlet (211) in communication with the pump cavity (40), and a coolant is adapted to enter the pump cavity (40) by means of the liquid inlet (210) and then is discharged from the liquid outlet (211). The cooling sleeve (30) is sleeved on the exterior of the stator assembly (11) and is thermally conductively connected to the circuit board assembly (13), and the cooling sleeve (30) and the outer peripheral surface of the stator assembly (11) jointly enclose to form a cooling channel (50). The stator assembly (11) is further provided with a liquid inlet channel (60) and a liquid outlet channel (70) for placing the cooling channel (50) and the pump cavity (40) in communication, so that at least part of the coolant in the pump cavity (40) may enter the cooling channel (50) from the liquid inlet channel (60) and then flow back to the pump cavity (40) from the liquid outlet channel (70), so as to take away heat that is generated by the circuit board assembly (13) and that is transmitted to the cooling sleeve (30). Said fluid pump has a simple structure, occupies little space, and may effectively dissipate heat of an electronic control unit of the motor.
An electrically operated valve, comprising an actuating assembly (10) and a valve assembly (20) connected to the actuating assembly. The valve assembly comprises a seat (22) and a valve core (24) movably arranged in the seat, wherein the valve core extends to the outside of the seat to form a shaft lever (241), and a magnet (26) is directly fixed on the shaft lever. The actuating assembly comprises an electric motor (12), a sensor (16) and a controller (14), wherein the electric motor is in transmission connection with the shaft lever, the sensor senses a magnetic field of the magnet on the shaft lever and generates an electrical signal fed back to the controller, and the controller is connected to the electric motor and controls the rotation of the electric motor according to the signal fed back by the sensor, so as to drive the valve core to rotate to an expected position. In the electrically operated valve, the magnet is directly arranged on the shaft lever of the valve core, such that the position of the valve core can be accurately detected and controlled; thus, the flow direction and/or flow rate of a medium in a pipeline can be accurately controlled, thereby meeting use requirements in various operating conditions.
F16K 11/074 - 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 articulés à pivot à faces d'obturation planes
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur
A thermal management system and a valve thereof. The valve comprises a valve seat (12) and a valve core (14) rotatably arranged in the valve seat (12), wherein a plurality of inner valve ports and a plurality of outer valve ports are arranged on an axial end of the valve seat (12); the inner valve ports and the outer valve ports are arranged at intervals in the circumferential direction of the valve seat (12), and the inner valve ports are located on the radial inner sides of the outer valve ports and are not communicated with each other; a plurality of inner flow channels and a plurality of outer flow channels are arranged on the valve core (14) and penetrate through an axial end of the valve core (14); the inner flow channels are located on the radial inner sides of the outer flow channels and are not communicated with each other; the inner flow channels and the outer flow channels are not communicated with each other in the valve core (14), the inner flow channels are arranged corresponding to the inner valve ports, and the outer flow channels are arranged corresponding to the outer valve ports; and by means of the rotation of the valve core (14) relative to the valve seat (12), the inner flow channel can be selectively communicated with different inner valve ports, and the outer flow channel can be selectively communicated with different outer valve ports, so that the thermal management system (100) can have different working states, and can well match the heat exchange requirements under different working conditions.
F02C 7/14 - Refroidissement des ensembles fonctionnels des fluides dans l'ensemble fonctionnel
F16K 11/074 - 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 articulés à pivot à faces d'obturation planes
7.
ELECTRIC MOTOR AND DRIVE SYSTEM HAVING ELECTRIC MOTOR
Disclosed are an electric motor and a drive system. The electric motor comprises: a first housing, which defines a first accommodation cavity, the first housing being provided with a first hole; a stator, which is arranged in the first accommodation cavity; a rotor, which is arranged in the first accommodation cavity and located in the stator, the rotor comprising a first end portion, the first end portion passing through the first housing and being used for outputting torque to the outside, and the first hole being arranged in a wall portion of the first housing near one side of the first end portion; and a circuit board, which is arranged in the first accommodation cavity, the circuit board being arranged on one side of the rotor facing away from the first end portion, wherein the rotor is provided with a flow guide structure arranged in the first accommodation cavity, and the flow guide structure is configured to be capable of driving, when the flow guide structure rotates with the rotation of the rotor, first fluid entering the first accommodation cavity via the first hole, so as to cause the first fluid to flow to a position where same is in contact with the circuit board. In the present application, the first fluid is capable of cooling a circuit board, which can extend the service life of the circuit board, and further enhance the safety of the circuit board.
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
A thermal management system (10), comprising a first heat exchange pipeline (110), a second heat exchange pipeline (120), a functional component (300) exchanging heat with the first heat exchange pipeline (110), a heating module (400) configured in the second heat exchange pipeline (120), and a valve (200) connecting the first and second heat exchange pipelines. The valve (200) is provided with a first flow channel (221) and a second flow channel (222) which are not communicated with each other; in a first working state, the first and second heat exchange pipelines are connected in series to form a first annular passage (L1); in a second working state, the first heat exchange pipeline (110) forms a second annular passage (L2), the second heat exchange pipeline (120) forms a third annular passage (L3), and the second and third annular passages are connected in parallel but are not communicated with each other; and in a third working state, the first and second heat exchange pipelines are connected in series to form the first annular passage (L1), the first flow channel (221) is communicated with the first heat exchange pipeline (110) and/or the second flow channel (222) is communicated with the second heat exchange pipeline (120) to form the second annular passage (L2) and/or the third annular passage (L3), and the heat exchange medium flow ratio of the first annular passage relative to the second and/or third annular passage is variable, so as to match various heat exchange requirements of the functional component.
B60L 58/27 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries pour la commande de la température des batteries par chauffage
B60L 58/26 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries pour la commande de la température des batteries par refroidissement
The present application discloses an inner rotor motor, comprising a stator assembly and a rotor assembly rotatably arranged in the stator assembly. The stator assembly comprises a stator shell, a magnet arranged on the inner wall surface of the stator shell, and a brush, and the magnet forms a magnetic field stationary relative to the stator shell; the rotor assembly comprises an iron core, a rotating shaft inserted into the iron core, and a coil wound on the iron core; a slip ring is sleeved on the rotating shaft, and the slip ring is electrically connected to the coil; one end of the brush abuts against the slip ring, and the other end of the brush is electrically connected to an external alternating current power supply. The inner rotor motor of the present application has comparable performance to that of existing brushless motors, has the same costs as existing brushed motors, is simple in overall structure and convenient to manufacture, and has a wide market prospect.
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
A side channel pump (100), comprising a pump casing (10) and an impeller (30). The pump casing (10) comprises a substrate (121), a side plate (122) arranged around the substrate (121), and a cover plate (14) covering the side plate (122), the cover plate (14) being provided with an inlet (18), the side plate (122) being provided with an outlet (19), the substrate (121) being recessed to form a first channel (126), a first partition portion (127) partitioning two ends of the first channel (126), the cover plate (14) being recessed to form a second channel (145), and a first groove (148) being formed in one side of a second partition portion (147) away from the inlet (18). The side channel pump can reduce pressure pulsation caused by fluid pressure impact, thus effectively reducing aerodynamic audio noise.
Disclosed in the present invention are an electric motor end cover and a connection method. The connection method is used for connecting a lead to a terminal, wherein the terminal comprises a first connection end and a fixing portion, and a clamping groove is formed between the fixing portion and the first connection end. The connection method comprises the following steps: placing a lead in a clamping groove of a terminal; applying a first acting force to move the lead to a predetermined welding position of the clamping groove; and applying a second acting force to perform crimping and welding at the same time, so that the lead and the terminal are connected into a whole and are electrically connected to each other. The electric motor end cover comprises a cover body, and a carbon brush, an inductor and the terminal, which are arranged in the cover body, wherein the lead at one end of the inductor is connected to the terminal by means of the connection method; and the other end of the inductor is electrically connected to the carbon brush. According to the present invention, the first acting force is applied in advance to push the lead to the predetermined welding position, and the second acting force required for the crimping may then be smaller; therefore, the crimping cannot cause excessive deformation of the terminal or breakage of the lead, thereby ensuring the stability of the connection and the reliability of the electrical connection between the terminal and the lead after the welding.
A distribution pump (100) and a cleaning device (200) comprising the distribution pump (100). The distribution pump (100) comprises a driving assembly (10) and a pump head (20) that is connected to the driving assembly (10). The driving assembly (10) comprises a driving mechanism (30) and an adaptive element (50) that is configured to be driven by the driving mechanism (30). The pump head (20) comprises a rotating frame (40). The rotating frame (40) comprises an accommodating cavity (400) for accommodating the adaptive element (50), a first curved surface (41) extending circumferentially around the accommodating cavity (400), and a first abutting surface (43) provided at a first end of the first curved surface (41). The adaptive element (50) is configured to be driven by the driving mechanism (30) so as to move along the first curved surface (41) to circumferentially abut against the first abutting surface (43). In the distribution pump and cleaning device, the adaptive element and the rotating frame may be automatically and quickly connected, and reliability is high.
A cooling fan module (10) for a vehicle is provided, including a frame (12) and a fan (18). The frame (12) includes an edge (16) which defines an opening (14) of a substantially circular shape through the frame (12) which allows the passage of a flow of air along the direction of an axis central (z) of the opening (14). The fan (18) includes a plurality of blades (20), the fan (18) being arranged to rotate around the central axis (z) to convey the flow of air through the opening (14). The edge (16) includes at least a first cylindrical wall (22) and a second cylindrical wall (24) coaxial with the central axis (z) of the opening (14). The second cylindrical wall (24) protrudes beyond the first cylindrical wall (22) in the direction of the central axis (z). The first cylindrical wall (22) is arranged at a first radial distance from the central axis (z), and the second cylindrical wall (24) is arranged at a second radial distance from the central axis (z), greater than the first radial distance.
The present invention relates to a multi-port valve and a thermal management system having the multi-port valve. The multi-port valve comprises a valve housing and a valve core. The valve housing comprises a plurality of ports distributed in the circumferential direction. The valve core is rotatably connected to the valve housing, and a plurality of flow channels are provided in the valve core. Both ends of each flow channel respectively run through side walls of the valve core. The multi-port valve has several working modes as the valve core is rotated to different positions relative to the valve housing. In different working modes, the plurality of flow channels are configured to selectively communicate with different ports, and at least two flow channels of the multi-port valve can be connected in series via the valve housing itself.
F16K 11/085 - 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 robinets à boisseau à noix cylindrique
F16K 27/06 - Structures des logementsMatériaux utilisés à cet effet des robinets ou des vannes
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
Disclosed are an electric motor and a food processor using the electric motor. The electric motor is a three-phase electric motor, comprising a stator assembly and a rotor assembly rotating relative to the stator assembly, the stator assembly comprising a stator core and a coil wound around the stator core. The rotor assembly comprises a rotating shaft, a rotor core sleeved on the rotating shaft, and several permanent magnets inserted into the rotor core. The rotor core is formed with several insertion grooves, each insertion groove extends along the radial direction of the rotor core, and the several permanent magnets are inserted into the insertion grooves and are radially distributed around the rotating shaft. According to the food processor of the present invention, a three-phase brushless direct current electric motor is used as a driving force, the defects of large torque ripples and large vibrations and noises when the rotation of a switched reluctance electric motor can be effectively improved, strict requirements of people for increases in noise can be met, and the food processor is overall compact in structure, has a controllable size and stable operations, and is highly efficient.
H02K 29/03 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p. ex. tubes à décharge ou dispositifs à semi-conducteurs avec un circuit magnétique spécialement adapté pour éviter des ondulations du couple ou des problèmes de démarrage autonome
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02K 1/30 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor utilisant des pièces intermédiaires, p. ex. des croisillons
H02K 11/25 - Dispositifs pour détecter la température ou actionnés par des valeurs de cette variable
A multi-port valve and a thermal management system having a multi-port valve. The multi-port valve comprises a valve housing (10) and a valve core (20) which is contained within the valve housing (10). The valve housing (10) is provided with a plurality of outer ports (11), and the valve core (20) is provided with a plurality of inner ports (21), and a plurality of flow channels (233, 234) used for communicating with corresponding inner ports (21) in the inner ports (21). The valve core (20) is further provided with a heat insulation structure used for at least reducing heat transfer among the multiple flow channels (233, 234). The valve core (20) is rotatably contained within the valve housing (10), so that the multi-port valve has a plurality of working modes, in different working modes, the flow passages (233, 234) being configured to pass through the inner port (21) to selectively communicate with the corresponding outer ports (11).
F16K 11/074 - 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 articulés à pivot à faces d'obturation planes
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
F16K 3/10 - 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 planesGarnitures d'étanchéité à cet effet avec éléments de fermeture articulés à pivot et dispositions particulières pour tenir écartées les faces d'obturation ou pour les presser l'une contre l'autre
F16K 3/314 - Formes ou structures de la partie coulissanteSa fixation sur sa tige
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
17.
MULTI-PORT VALVE, AND THERMAL MANAGEMENT SYSTEM PROVIDED WITH SAME AND APPLICATION THEREOF
In one aspect, the present invention provides a multi-port valve, comprising a valve housing and a valve core rotatably received in the valve housing. The valve housing is provided with a plurality of outer ports, and at least some of the outer ports are provided on the axial end portion of the valve housing; the valve core is provided with a plurality of inner ports, and at least some of the inner ports are provided on the axial end portion of the valve core; the valve core is provided with a plurality of flow channels; the flow channels are not communicated with each other in the valve core, and projections of at least two of the flow channels on a plane perpendicular to the central axis of the valve core are intersected; each of the flow channels is communicated with two of the plurality of inner ports; and the valve core can rotate about a central axis relative to the valve housing until at least some of the inner ports are communicated with the corresponding outer ports in the axial direction. In the other aspect, the present invention further provides a thermal management system and an application thereof, and the thermal management system comprises the multi-port valve and a plurality of cooling branches.
F16K 11/074 - 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 articulés à pivot à faces d'obturation planes
F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
F16K 3/10 - 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 planesGarnitures d'étanchéité à cet effet avec éléments de fermeture articulés à pivot et dispositions particulières pour tenir écartées les faces d'obturation ou pour les presser l'une contre l'autre
F16K 3/314 - Formes ou structures de la partie coulissanteSa fixation sur sa tige
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
a stator core, a bobbin fixed on the stator core, and a plurality of windings wound on the bobbin, characterized in that the stator further comprises an elastic member with one end fixed onto the insulating frame, the other end of the elastic member is resisted against and thereby forcing the bobbin to axially position the stator.
H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
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 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
19.
MULTI-PORT VALVE AND THERMAL MANAGEMENT SYSTEM HAVING SAME
A multi-port valve (100), comprising a valve housing (10) and a valve element (20). The valve housing (10) comprises several ports distributed in the circumferential direction, all the ports are divided into at least two groups of ports (11, 12), and each group of ports (11, 12) comprises a main port (13) and a plurality of sub-ports (14, 15). The valve element (20) is connected to the valve housing (10) in a relatively rotating manner, and at least two flow channels (21, 22) are arranged in the valve element (20). According to the fact that the valve element (20) rotates to different positions relative to the valve housing (10), the multi-port valve (100) has several working modes, and under the different working modes, the at least two flow channels (21, 22) are configured in such a way that one of the main ports (13) is in communication with one of the sub-ports (14, 15) in a selective manner . A thermal management system (200), comprising a multi-port valve (100) and several coolant branches connected to ports of the multi-port valve (100), wherein at least some of the coolant branches are in communication in series by means of flow channels of the multi-port valve (100) so as to form a closed loop.
F16K 11/085 - 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 robinets à boisseau à noix cylindrique
20.
MULTI-PORT VALVE AND THERMAL MANAGEMENT SYSTEM PROVIDED WITH MULTI-PORT VALVE
The present invention provides a multi-port valve and a thermal management system. The multi-port valve comprises a valve housing and a valve core. The valve housing comprises a hollow inner cavity and a plurality of ports distributed in the circumferential direction, the plurality of ports communicating with the inner cavity of the valve housing. The valve core is accommodated in the inner cavity of the valve housing so as to be capable of relative rotation. The valve core is internally provided with a plurality of flow passages, end portions of each flow passage penetrate through sidewalls of the valve core, and the flow passages do not communicate with one another inside of the valve core. The multi-port valve has a plurality of working modes according to the valve core rotating to different positions relative to the valve housing so that the flow passages communicate with corresponding ports. The number of flow passages is greater than or equal to four, and at least one of the flow passages is used to connect two non-adjacent ports in any working mode.
F16K 11/085 - 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 robinets à boisseau à noix cylindrique
F16K 11/076 - 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 articulés à pivot à faces d'obturation épousant la surface d'un solide de révolution
F16K 27/06 - Structures des logementsMatériaux utilisés à cet effet des robinets ou des vannes
21.
MOTOR AND VIBRATION REDUCTION CONTROL METHOD THEREFOR, AND CIRCUIT
Disclosed is a vibration reduction control method for a motor, comprising: step a, determining whether an actual vibration amplitude of a motor exceeds a preset amplitude; and step b, if the actual vibration amplitude of the motor exceeds the preset amplitude, determining a peak value interval and a valley value interval of cogging torque of the motor, and controlling the duty ratio of a pulse signal for driving the motor within the peak value interval to be higher than the duty ratio of the pulse signal within the valley value interval. Adverse effects of the cogging torque fluctuation of the motor on the output torque of the motor can be reduced, so that the vibration of the motor is reduced, the service life of the motor is prolonged, and the noise of the motor is reduced.
A driving device (100) for a vehicle sunroof, comprising a motor (10), a transmission mechanism connected to the motor (10), and an output shaft (30) that rotates when driven by the transmission mechanism. The periphery of the output end of the output shaft (30) is integrally provided with multiple teeth (31); the multiple teeth (31) are used to drive a sunroof to move back and forth; a through hole (50) running through the output shaft (30) in the axial direction is provided in the output shaft (30); the through hole (50) comprises a first recess hole (51), a middle hole (52), and a second recess hole (53) that are communicated in sequence; the first recess hole (51) is adjacent to the input end of the output shaft (30); the middle hole (52) is a non-circular hole; the second recess hole (53) is adjacent to the output end of the output shaft (30); the shapes and/or sizes of the second recess hole (53) and the middle hole (52) are different, and the lateral size of at least one of the first recess hole (51) and the second recess hole (53) is not less than the minimum lateral size of the middle hole (52); the output shaft (30) protrudes radially at a substantially central position to form an annular protrusion (54); the middle hole (52) is formed in the annular protrusion (54).
A motor (10) and a rotor assembly (20) thereof. The rotor assembly (20) comprises a columnar rotor core (40), a plurality of permanent magnets (42) mounted on the circumferential surface of the rotor core (40), and a protective cover (60) that is sleeved on the rotor core (40) and covers the permanent magnets (42). At least one axial end face of the rotor core (40) is provided with a plurality of depressions (41) separately extending in the axial direction of the rotor core (40). The protective cover (60) comprises a cylindrical body (70) sleeved on the rotor core (40), and a plurality of snap-fit members (80) that correspondingly extend into and are snap-fitted in the depressions (41) and are connected to the cylindrical body (70).
The present disclosure relates a gearbox for power lift gate including a rotating frame (22/22') arranged in the housing and rotatable relative to the housing, a sun roller (23) and a plurality of planetary gears (24) supported by the rotating frame (22/22'), an inner ring tooth (218) provided in the housing, and the planetary gear (24) being surrounded around the sun roller (23) in the central area. The sun roller (23) includes a first rod (230) with helical teeth which is meshed with a first gear (240) of the planetary gear, and a second rod (232) extending coaxially from the first rod (230). The planetary gear includes a second gear (242) meshed with the inner ring tooth (218) of the housing to drive the rotating frame to rotate and revolve synchronously for driving external loads.
F16H 1/28 - Transmissions à engrenages pour transmettre un mouvement rotatif avec engrenages à mouvement orbital
E05F 15/611 - Mécanismes pour battants mus par une force motrice utilisant des actionneurs électriques utilisant des électromoteurs rotatifs pour battants pivotants
The present invention relates to a motor and a rotor thereof. The rotor comprises a rotor core, and permanent magnets fixed to the surface of the rotor core; and the permanent magnets serve as first magnetic poles of the rotor. The rotor further comprises virtual second magnetic poles; the second magnetic poles and the rotor core are integrally formed; and the second magnetic poles and the first magnetic poles are alternately distributed along the circumferential direction of the rotor core. The rotor provided by the present invention uses the virtual second magnetic poles, thereby effectively reducing the use level of the permanent magnets, and lowering the production cost.
An electromagnetic interference (EMI) filter, includes: a first input terminal and a second input terminal configured to be coupled to an external power source; a first output terminal and a second output terminal, wherein a first conductive path is defined between the first input terminal and the first output terminal, and a second conductive path is defined between the second input terminal and the second output terminal; a first X-capacitor unit, a common mode choke and a Y-capacitor unit connected between the first conductive path and the second conductive path; and a differential mode choke connected in the first conductive path; wherein the first X-capacitor unit and the common mode choke are electrically closer to the first and second input terminals than the differential mode choke.
The application provides a stator, a brushless DC motor with the stator and a winding method for the stator. The stator includes a stator core, a bobbin fixed on the stator core, and windings formed by winding at least one electromagnetic wire on the bobbin, the bobbin comprises a stop plate on an axial end of the stator core, a wire passing portion extending upward from the stop plate, and a plurality of winding portions extending downward from the stop plate, the wire passing portion includes a base extending from the stop plate, and a plurality of conductive terminals arranged on the base, the plurality of conductive terminals are divided into multiple groups, each group includes at least two conductive terminals, and the conductive terminals belonging to the same group are directly connected by the at least one electromagnetic wire.
A drive device, comprising a motor (10) and a gear box (20) connected to the motor. The gear box comprises a housing (30), a transmission mechanism (40) provided in the housing, and a cover plate (50) individually formed and assembled to the housing. The transmission mechanism comprises an output member (42). The output member at least partially protrudes from the top surface of the cover plate. A retaining wall (53) arranged opposite the output member is formed on the cover plate. A cable is arranged between the retaining wall and the output member, and is transmittingly engaged with the output member. Also disclosed is a vehicle sunroof.
Provided is an electric motor, comprising a rotor assembly and a stator assembly. The stator assembly comprises an armature and a line concentration unit connected to the armature; the armature comprises an iron core, an insulating frame covering the iron core, and a coil wound around the insulating frame, wherein the insulating frame is integrally connected to a plurality of first wiring terminals, and the first wiring terminals are correspondingly connected to the coil; the line concentration unit comprises a line concentration seat and a male connector integrally connected to the line concentration seat; the male connector is composed of a plurality of external terminals; and the stator assembly further comprises a plurality of adapting terminals. When the line concentration unit is installed at one end of the armature in the axial direction of the stator assembly, the first wiring terminals are correspondingly and electrically connected to the external terminals by means of the adapting terminals, so that the problem of short circuiting caused by coil abrasion is avoided, the stator assembly can also be automatically produced and assembled, and the production efficiency is greatly improved.
Further provided is a permanent magnet excitation assembly, which comprises an iron core and several permanent magnets inserted into the iron core. The iron core is formed by stacking several first core pieces and at least one second core piece, several first assembly holes used for inserting the permanent magnets are formed on the first core pieces, and several second assembly holes that face the first assembly holes and that are used for inserting the permanent magnets are formed on the second core pieces. When the permanent magnets are inserted into the iron core, the permanent magnets freely pass through the first assembly holes of the first core pieces, and the second core piece is deformed close to the second assembly holes by the pressing of the permanent magnets, so that the permanent magnets are clamped into the second assembly holes in a tightly fitting manner, which not only simplifies processing, but also prevents a series of problems brought on by an adhesive. In addition, further provided is a method for assembling the permanent magnet excitation assembly.
An electric power tool, a motor, and a rotor thereof. The rotator (1) comprises a housing (12), a rotating shaft (11) fixed on the housing (12), a magnetic yoke (14) housed in the housing (12), and a permanent magnet (15) mounted on the magnetic yoke (14); the housing (12) comprises a bottom wall (121) and a side wall (120) which extends from the outer periphery of the bottom wall (121) along the axial direction of the rotor (1); the rotor (1) further comprises a cooling fan (13), and the cooling fan (13) is located at the axial tail end of the side wall (120) away from the bottom wall (121); the rotating shaft (11), the magnetic yoke (14), the permanent magnet (15), the cooling fan (13), and the housing (12) are formed into an undetachable whole in an overmolding manner.
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02K 9/06 - Dispositions de refroidissement ou de ventilation par l'air ambiant s'écoulant à travers la machine comportant des moyens pour établir la circulation d'un agent de refroidissement avec des ventilateurs ou des dispositifs d'entraînement mûs par l'arbre de la machine
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 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H02K 3/50 - Fixation des têtes de bobines, des connexions équipotentielles ou des connexions s'y raccordant
A cleaning pump (10), comprising a motor (20) and a pump body (21) provided at one end of the motor (20) and driven by the motor (20), and further comprising a mechanical seal structure (51) provided between the motor (20) and the pump body (21). The mechanical seal structure (51) is used for preventing liquid in the pump body (21) from entering the motor (20). The mechanical seal structure (51) comprises a static friction ring assembly (53) and a dynamic friction ring assembly (57) arranged opposite to each other in the axial direction. The dynamic friction ring assembly (57) is driven by a rotating shaft (580) of the motor (20) to rotate with respect to the static friction ring assembly (53).
The present disclosure relates a diaphragm pump with a flexible diaphragm (50/50`), a valve spool (60/60`) provided in the pump cavity (43) moves linearly back and forth. In order to prevent leakage, the pump cavity (43) includes a first channel (101) and a second channel (102) extending in the axial direction and communicated with each other. A first check valve is arranged in the hollow cavity of the valve spool (60/60`), and a second check valve is sandwiched between the second channel (102) and the outlet (42). The first check valve is closed, and the second check valve is opened under the condition that the valve spool (60/60`) moves from a first position to a second position. The second check valve is closed, and first second check valve is opened under the condition that the valve spool (60/60`) moves from the second position to the first position.
F04B 9/04 - "Machines" ou pompes à piston caractérisées par les moyens entraînants ou entraînés liés à leurs organes de travail les moyens étant mécaniques constitués par des cames, des excentriques ou des mécanismes à téton et rainure guide
F04B 53/12 - ClapetsAgencement des clapets disposés dans ou sur des pistons
F04B 53/14 - Pistons, tiges de piston ou liaisons piston-tige
Disclosed are a pump (200) and an electric motor stator (5) thereof. The electric motor stator (5) used for the pump (200) is fixed in a pump shell (100), and comprises a stator iron core (53), an insulating frame (50) fixed on the stator iron core (53), and a winding (54) wound on the insulating frame (50), and further comprises an elastic member (55) integrally fixed to the insulating frame (50) in an insert-forming manner, the elastic member (55) being used for abutting against the pump shell (100) or a component fixed relative to the pump shell (100) to prevent vibration of the stator (5). Based on the electric motor stator (5) and the pump (200) with the electric motor stator (5), the elastic member (55) arranged on the insulating frame (50) in an insert-forming manner is used to prevent vibration of the electric motor stator (5), such that the structure is simple, the number of parts is reduced, the assembly process is simplified, and the reliability and stability of the pump are improved.
Disclosed are an electric tool, an electric motor and a rotor assembly thereof. The rotor assembly comprises a rotating shaft (4), and a rotor main body (1), a limiting member (2) and a cooling fan (3) that are fixed on the rotating shaft (4), wherein the limiting member (2) and the cooling fan (3) are arranged at the axial two ends of the rotor main body (1) respectively, the rotor main body (1) comprises a rotor iron core (11) and a magnet (12) fixed in the rotor iron core (11), and the limiting member (2) and the cooling fan (3) jointly define axial displacement and radial displacement of the magnet (12) of the rotor main body (1). Based on the rotor assembly, the magnet (12) is fixedly mounted in the rotor iron core (11) merely using a mechanical assembly manner, thereby reducing the number of elements of the rotor assembly, facilitating assembly, and effectively reducing manufacturing costs.
H02K 1/27 - Noyaux rotoriques à aimants permanents
H02K 9/06 - Dispositions de refroidissement ou de ventilation par l'air ambiant s'écoulant à travers la machine comportant des moyens pour établir la circulation d'un agent de refroidissement avec des ventilateurs ou des dispositifs d'entraînement mûs par l'arbre de la machine
36.
BRUSH ELECTRIC MOTOR, AND ELECTRIC BRUSH STRUCTURE THEREOF
An electric brush structure, comprising a contact surface. When the electric brush structure is arranged in an electric motor, the contact surface faces a commutator of the electric motor, the contact surface has a first end and a second end in an axial direction of the electric motor, a first flange is provided at the first end of the contact surface, a second flange is provided at the second end of the contact surface, when the electric brush structure is arranged in a direct-current electric motor, end faces of the first flange and the second flange make contact with the commutator, the first flange and the second flange are staggered with respect to a tangential direction of the direct-current electric motor, and the first flange and the second flange are respectively connected to commutator segments at both ends of a space between the commutator segments in a commutated state. According to the present invention, an electric brush makes quick contact with the adjacent next commutator segment so as to complete commutation, thereby reducing the generation of electric arcs, and preventing noise generation caused by swinging of an armature.
An electric air pump, comprising a pump casing (10), a motor (20) provided in the pump casing (10), an impeller (30) driven by the motor (20), and a controller (40) connected to the motor (20). The motor (20) is a brushless direct current motor, and comprises a rotating shaft. The impeller (30) is fixed on the rotating shaft. The pump casing (10) is sequentially provided with a first chamber (11), a second chamber (12), and a third chamber (13) along the axial direction of the motor (20). The first chamber (11) and the third chamber (13) are respectively located on both axial ends of the second chamber (12). The controller (40) is accommodated in the first chamber (11). The motor (20) is provided in the second chamber (12). The impeller is provided in the third chamber (13). The pump casing (10) is further provided with an air inlet portion (18) adjacent to the first chamber (11), an exhaust portion (19) adjacent to and in communication with the third chamber (13), and a flow passage (100) of which both ends are respectively in communication with the air inlet portion (18) and the third chamber (13). The electric air pump is driven by the brushless motor, and has fast response speed, long service life, low noise, and high efficiency.
A liquid pump, comprising a pump housing (10), a motor housing (20), and a sleeve (30) arranged between the pump housing (10) and the motor housing (20). One of the pump housing (10), the motor housing (20), and the sleeve (30) is provided with outer sections (32, 33), and another one of the pump housing (10), the motor housing (20), and the sleeve (30) is provided with inner sections (11, 21) abutting against the radial inner sides of the outer sections (32, 33); the outer sections (32, 33) and the inner sections (11, 21) are made of plastics; the outer sections (32, 33) comprise polyphenylene sulfide and fiberglass; the outer sections (32, 33) allow transmission of laser of at least one wavelength, and the inner sections (11, 21) can absorb the laser; the outer sections (32, 33) and the inner sections (11, 21) form sealed connection by means of the absorbed laser.
The invention provides an end cover assembly of a motor. The end cover assembly comprises an end cover, a capacitor fixed on the end cover, and a brush, an inductor, and a power supply terminal connected in series. A main body portion of the capacitor comprises two electrodes and a medium located between the two electrodes. The capacitor is close to an end portion of a magnetic core. At least part of a first connecting terminal, a second connecting terminal and the capacitor collectively form a curve or broken-line structure having an opening and consistent with a current flow direction of the inductor. The main body portion or a plane on which the curve or broken-line structure having the opening is located faces the end portion of the magnetic core. An overlapping area between a longitudinal extension portion of the magnetic core and the main body portion of the capacitor accounts for more than 60% of an area of a surface of the main body portion. A minimum distance between the magnetic core and the capacitor is less than 3 mm. An angle formed by the surface of the main body portion of the capacitor or the plane on which the curve or broken-line structure having the opening is located and an end surface of the magnetic core ranges from 0° to 25°. The end cover assembly of the invention effectively reduces electromagnetic interference. The invention further provides a brush motor comprising the end cover assembly.
A side runner pump, comprising a housing (20) and a cover (10) connected to each other, and an impeller (30) accommodated in a pump cavity (201) formed by the cover (10) and the housing (20). The impeller (30) is rotatably supported in the pump cavity (201); the cover (10) is provided with an inlet (11); the housing (20) comprises a base (27) and a side wall (21); an output substantially tangential and communicated with a fluid at the inlet (11) is provided on the side wall (21); an inner cavity cross section (211) of the outlet (210) perpendicular to an air flow direction is non-circular. The side runner pump reduces pressure pulsation caused by the airflow, and thus effectively reduces the noise.
A gearbox (20) includes a sun gear (30), a plurality of planetary gears (40) meshed with the sun gear (30), a rotating frame (60) supporting the planetary gears (40), and a housing with an internal ring gear (71) meshed with the planetary gears (40). The the planetary gears (40) includes a first gear (41) and a second gear (42) coaxially connected to each other along an axial direction and rotating synchronously, the first gear (41) meshed with the sun gear (30), and the second gear (42) meshed with the internal ring gear (71) of the housing (70). The rotating frame (60) received in the housing (70) has an upper frame (61) and a lower frame (62) with a central hole, each of the plurality of planetary gears (40) is arranged between the upper frame (61) and the lower frame (62) by a mounting pin (50), the lower frame (62) is supported by a flange (80) connected to the housing (70), the sun gear (30) is driven to rotate so as to operate the rotating frame (60). The gearbox (20) of the present disclosure has low vibration and low noise.
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
An electric fluid pump (100), comprising a pump housing (10), a motor (50) connected to the pump housing (10), and a pump impeller (30) accommodated in the pump housing (10) and driven by the motor (50). The pump housing (10) is provided with a pump housing inlet (11) and a pump housing outlet (12); the pump impeller (30) comprises a pump impeller inlet (33) located at a center and a pump impeller outlet (34) located at a peripheral side; the pump housing inlet (11), the pump impeller inlet (33), the pump impeller outlet (34), and the pump housing outlet (12) are sequentially communicated; the pump housing inlet (11) comprises a columnar first portion (111) and a cone-shaped second portion (112) connected with the first portion (111); the second portion (112) is close to the pump impeller inlet (33), and one end of the second portion (112) close to the pump impeller inlet (33) is provided with a mounting base (113); the pump impeller is sleeved on a supporting shaft (72); one end of the supporting shaft (72) is mounted to the mounting base (113); the pump impeller (30) may rotate relative to the mounting base (113); the mounting base (113) is at least partially accommodated in the pump impeller inlet (33); a flow channel through which a fluid flows is formed between the mounting base (113) and the inner wall of the pump impeller inlet (33). The structure can reduce noises when the electric fluid pump works.
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
B62D 5/06 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule
Provided are a diaphragm pump and a coffee maker using the diaphragm pump. The diaphragm pump comprises a shell (20), and a support base (22), an air bag (40) and a partition plate (50) located in the shell (20), wherein the space inside the shell (20) is divided into an air inlet chamber (24), a compression chamber (25) and an exhaust chamber (26) by the support base (22), the air bag (40) and the partition plate (50); the air bag (40) is supported by the support base (22), and the compression chamber (25) is defined by the air bag (40); the partition plate (50) partitions the compression chamber (25) and the exhaust chamber (26) and is provided with an exhaust hole (54) used for communicating the compression chamber (25) and the exhaust chamber (26), and an exhaust valve (56) used for selectively opening or closing the exhaust hole (54); the support base (22) is provided with an air inlet channel (225) for communicating the air inlet chamber (24); the partition plate (50) is provided with a communication channel (53) for communicating the air inlet channel (225) with the compression chamber (25); and an air inlet valve (410) is provided at a position where the air bag (40) corresponds to the air inlet channel of the support base (22), and the air inlet valve (410) is used for selectively opening or closing the air inlet channel (225). The diaphragm pump has a simple air flow path, a high efficiency and a low cost.
F04B 45/04 - Pompes ou installations de pompage, ayant des organes de travail flexibles, spécialement adaptées pour fluides compressibles ayant des organes flexibles du genre plat, p. ex. des diaphragmes
The present invention relates to a fluid pump, comprising a pump casing, a motor connected to the pump casing, and a pump impeller driven by the motor; the motor comprises a housing and a stator disposed within the housing, and the housing is made of a non-magnetic material; the stator comprises a stator core and a winding wound on the stator core; the motor further comprises a sleeve disposed within the housing; the sleeve comprises a cylindrical main body portion and a peripheral portion that outwardly extends in the radial direction from one end of the main body portion, the peripheral portion being tightly connected to the housing; at least a part of an inner wall of the housing and at least a part of an outer wall of the sleeve jointly enclose to form an annular cavity used for accommodating the stator; and at least an inner wall of the housing that faces the annular cavity and an end surface of the peripheral portion that faces the annular cavity both comprise a metal layer used for shielding electromagnetic waves. The pump according to the present invention has a good electromagnetic shielding effect.
An electromagnetic interference (EMI) filter (32) is provided which is suitable for a DC motor (10). The EMI filter (32) comprises an EMI suppression circuit (34) having first and second DC-motor-terminal inputs (36a, 36)b, and an MW-band power choke (44) coupled to one of the first and second DC-motor-terminal inputs (36a, 36b) to increase the motor inductance in the MW frequency band.
Disclosed is a magnetic core, comprising an annular body portion, and several magnetic pole portions connected to the body portion. The several magnetic pole portions are distributed on an inner surface of the body portion in a circumferential direction. The body portion is connected to the magnetic pole portions. Each of the magnetic pole portions is in the shape of a triangle and comprises a top end and two free ends. The top end is connected to the body portion. Two side faces, located on two sides of the top end, of each of the magnetic pole portions are respectively opposite and spaced apart from the inner surface of the body portion to form a first accommodating groove and a second accommodating groove. The first accommodating groove and the second accommodating groove are used for housing magnets, and the first accommodating groove and the second accommodating groove are located at an opening end of an inner surface of the magnetic core. The magnetic core of the present invention has a remarkable magnetizing effect and facilitates improving the power density of an electric motor.
A connector (50), comprising a connector housing and an embedded piece (53). The connector housing comprises a base part (51) and a connector sidewall (52) that are integrally formed. The connector sidewall (52) is formed by extending from the periphery of the base part (51). The connector sidewall (52) is provided at the end away from the base part (51) with an opening. The embedded piece (53) is detachably connected to the connector housing. The embedded piece (53) is provided thereon with a groove (530) extending from the opening towards the base part (51). The connector (50) reduces processing costs and mitigates risks of a difference in motor acoustic performance.
brevets
