A fan wheel and a radiator of a motor vehicle, the fan wheel having a hub to which a number of fan blades is connected. The fan blades each have a stabilizing structure of a first material, which is surrounded by means of a respective body of a second material.
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
F04D 25/12 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
2.
Method and fluid pump for conveying a fluid in a fluid circuit of a motor vehicle
A method for conveying a fluid of a fluid circuit by means of an electric motor-powered fluid pump of a motor vehicle, in particular an oil pump, wherein by means of the fluid pump a fluid pressure of the fluid circuit is adjusted to a target pressure, and wherein an actual pressure of the fluid is determined without a pressure sensor.
The fan assembly provided with a fan ring, including a first leg and a second leg, may be arranged with a shroud that may include a first sidewall, a second sidewall, a third sidewall, a first ring, a second ring, and a third ring. An air passage may be formed between a distal end of the first leg and the third ring, the second ring and the first leg, the second leg and the second sidewall, and a distal end of the first leg and the first ring. The air passage may be configured to improve acoustic performance and air flow efficiency.
An electronic assembly contains a circuit board having a current-conducting current path with two mutually spaced-apart current path ends that form an interruption point and a contact clip bridging the interruption point. The contact clip is manufactured without a preload, as a thermal fuse. The contact clip has a multiple bent, open clip loop and a contact limb making contact with both mutually spaced-apart current path ends using solder. The contact clip further has a fixing limb with a limb end seated in a circuit board opening. The limb end of the fixing limb is oversized relative to a circuit board opening, and a deformation being imparted to the contact clip, with an internal preload being generated.
H01H 85/143 - Electrical contactsFastening fusible members to such contacts
H05K 3/22 - Secondary treatment of printed circuits
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
H05K 3/30 - Assembling printed circuits with electric components, e.g. with resistor
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
H01H 85/36 - Means for applying mechanical tension to fusible member
The external gear pump may include a housing, a first gear, a second gear, and an end plate. The housing may define an inlet and a discharge port. The first gear may include a first tooth and a second tooth. The second gear may be disposed within the housing and include a third tooth that engages the first tooth and the second tooth to form a pressure pocket. The end plate may be disposed within the housing. The first gear and the second gear may each be rotatably coupled to the end plate. The end plate may define a discharge channel and a bridge portion. The discharge channel may extend between the discharge port and the bridge portion. The bridge portion may define a relief portion and the relief portion may be configured such that fluid is communicated from the pressure pocket to the discharge port.
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04C 2/14 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
A cooling fan module is provided. The cooling fan module may include a frame, a fan assembly, a number of guide vanes, and a cylindrical deflector. The frame may include a sidewall that defines an opening and an outer periphery. The fan assembly may be disposed within the opening and include fan blades extending from a hub and terminating at a fan ring. The fan ring may have a curved profile. The number of guide vanes may be disposed radially around the opening. The cylindrical deflector may extend axially from the sidewall and radially surround the number of guide vanes. The cylindrical deflector may be disposed radially between the number of guide vanes and the outer periphery.
An electric drive for a motor vehicle, in particular a fan drive, comprising an electric motor that includes a rotor which is mounted on a motor shaft so as to be able to rotate about a stationary stator as well as a driving part which is coupled to the rotor, and at least one electroconductive cover part for influencing and/or blocking interfering electromagnetic fields generated during operation of the electric motor.
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
8.
Method and system for a gas-tight cable feedthrough
A system includes a partition element and a first component which is arranged on a first side of the partition element. The first component includes at least one conductor, and the partition element includes an associated feedthrough for inserting and feeding through the conductor and for electrically contacting the conductor on a second side of the partition element located opposite the first side. The conductor forms a form-fitting connection to the feedthrough and is pressed into the feedthrough.
H02G 1/08 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
H02G 3/22 - Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
A fan shroud of a motor vehicle has a shroud body which comprises a round airflow opening for a fan impeller. The fan shroud additionally includes a motor mount which is arranged above the airflow opening and is attached by means of a strut to a fastening dome. The fastening dome is attached to the shroud body and is oriented perpendicularly to said shroud body. The radially outer end of the fastening dome, with reference to the airflow opening, is at a varying distance from the mid-point of the airflow opening. This disclosure additionally relates to a cooler fan of a motor vehicle.
A method for operating a brushless electric motor of a motor vehicle, particularly an electromotive refrigerant compressor, with two sub-motors arranged in sections and each comprising n-phases, by means of a converter corresponding to the number of phases of the electric motor. On the basis of a performance requirement, first switching points are determined for the n-phases, of one of the sub-motors, and on the basis of the performance requirement, second switching points are determined for the n-phases of the other sub-motor. The second switching points are shifted by a first phase angle and the converter is controlled on the basis of the first switching points and the second switching points. The first phase angle is selected such that a resulting current flow over the converter is smaller than a first threshold value. A unit of a motor vehicle, comprising a brushless electric motor is also disclosed.
H02P 29/40 - Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
B60H 1/00 - Heating, cooling or ventilating devices
The invention relates to a compressor module (10) with an essentially pot-shaped compressor casing (12) with a casing bottom (14) and with a casing wall (16) which has an outlet (32) for a compressed refrigerant (F), and with a separator device (34) for separating a lubricant (S) mixed in with the refrigerant (F), wherein the separator device (34) is introduced into a high-pressure chamber (30) of the compressor casing (12), wherein the separator device (34) has a hollow-cylindrical chamber wall (36) which forms a separation chamber (38) fluidically connected to the outlet (A), and wherein a separator (40) is received in the separation chamber (38) forming an annular space (42). The invention also relates to an electric-powered refrigerant compressor (2) for compressing a refrigerant (K) of a motor vehicle with such a compressor module (10).
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
The invention relates to a valve assembly (36) for an electrical refrigerant compressor (2) of a motor vehicle, comprising: a flexurally elastic valve plate (40) for the pressure-regulated opening and closing of an outlet opening (34, 38) of the refrigerant compressor (2); and a rigid stop plate (46) for limiting the movement of the valve plate (40), the stop plate (46) and the valve plate (40) being in the form of a preassembled component.
F04B 39/10 - Adaptation or arrangement of distribution members
F04B 39/14 - Provisions for readily assembling or disassembling
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
13.
COMPRESSOR MODULE AND REFRIGERANT COMPRESSOR HAVING SUCH A COMPRESSOR MODULE
The invention relates to a compressor module (10) having a pot-shaped compressor module housing (12) and a compressor part (18) mounted in the compressor module housing (12) for conveying a compressed refrigerant (K) into a high-pressure chamber (30) of the compressor module housing (12), wherein a pulsation damper (42) for reducing a pressure pulsation of the refrigerant (K) delivered by means of the compressor part (18) is arranged in the high-pressure chamber (30), in particular on the chamber bottom (14) opposite the compressor part (18). The invention also relates to an electromotive refrigerant compressor (2) having such a compressor module (10).
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
The invention relates to an electric motor (4), in particular for an oil pump (2), comprising a rotor (6) and a stator (10), wherein the stator (10) has through-openings (18), which are continuous in the axial direction (A), for screw elements (20), and comprising a functional support (22), which is arranged on an end face (34) with respect to the axial direction (A) of the stator (10) and which has a contoured contact section (36) for the stator (10) and screw receiving areas (38) for the screw elements (20). The screw receiving areas (38) protrude out of the contoured contact section (36) for the stator (10) in the axial direction (A), and the screw receiving areas (38) are received in the through-openings (18). The invention additionally relates to a pump (2) comprising such an electric motor (4).
The invention relates to a rotor (24) of an electric machine of a motor vehicle, more particularly a hybrid booster, having a laminated core (28) and a number of permanent magnet units (50), of which each is arranged in a closed pocket (38) of the laminated core (28). Each of the permanent magnet units (50) is held by means of a holding element (46) of the laminated core (28) located between the two ends of the corresponding pocket (38) and the two ends of the permanent magnet unit (50) in the radial direction. The invention also relates to an electric motor of a motor vehicle.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 1/02 - Details of the magnetic circuit characterised by the magnetic material
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
16.
METHOD FOR PRODUCING A WELDING ASSEMBLY, AND WELDING ASSEMBLY
The invention relates to a method for producing a welding assembly (2, 8), in particular a housing of an electrical machine (1). A first, cold-formed joining partner (2), which is formed from a cold-formable first aluminium alloy having a low silicon content, and a second joining partner (8) formed from a second aluminium alloy having an increased silicon content as compared to the first aluminium alloy are provided. Said joining partners are joined by means of laser beam welding. The silicon content of the second aluminium alloy is increased relative to the first aluminium alloy in such a way that a silicon content of at least approximately 3% is provided in a welding zone (74) between the first and the second joining partner (2, 8).
It is provided a cooling fan module having: a fan shroud; a fan propeller cutout, which is formed in the fan shroud; a motor mount which is mechanically connected to the fan shroud by means of struts which are located at the rear viewed in the flow direction; a motor, which is mounted at least partially in the motor mount; a fan propeller which is arranged in the fan propeller cutout and which is driven rotationally about a rotational axis R by the motor. The fan propeller has a plurality of blade elements. All the elements of a group which has at least one of the struts and at least one of the blade elements are forward-sickled or rearward-sickled.
The invention relates to an electronic unit (30), in particular for an electric fluid pump (4) of a motor vehicle, having a functional element (32) for holding electronics (34), and a heat sink (36) arranged on the functional element (32), wherein the functional element (32) and the heat sink (36) are sealed from one another in fluid-tight fashion by means of a cured sealing compound of a liquid seal, and wherein the functional element (32) has at least one ventilation opening (38, 38'), which is open in the course of a curing process for the sealing compound, and which, after the curing process, is sealed in fluid-tight fashion by means of a closure element (46, 46', 46'').
The invention relates to an electric-motor auxiliary assembly (12) of a motor vehicle (2), more particularly a refrigerant compressor, comprising a housing (40), which has a cup-shaped electronics compartment (48), the bottom of which is at least partly formed by a partition (50). Electronics (58) are arranged within the electronics compartment (48), and the electronics compartment (48) is closed by an electronics compartment cover (56). The partition (50) has a dome (52) directed toward the electronics compartment cover (56), onto which dome a support element (72) is placed.
The invention relates to a stator (34) of an electrical machine (8), more particularly an electric motor of a motor vehicle, comprising: a laminated stator core (36), which has a number of stator teeth (38) and is provided with a rotating field winding (40), which is arranged on the stator teeth (38) and comprises a plurality of phases, the phases of the rotating field winding (40) being formed from a continuously wound winding wire (42); and a connecting device (44) having a number of U-shaped sockets (50) corresponding to the number of phases, said sockets being provided for each holding one insulation displacement contact (52) as a point of connection of the winding wire (42) to phase terminals on a stator end face, each socket (50) having two vertical U legs (50b, 50c) and a contact slot (56) arranged therebetween for receiving the winding wire (42), one of the two vertical U legs (50c) of the socket (50) being longer in an axial direction (A) than the other vertical U leg (50b) in each case.
The invention relates to an electrical fluid pump (6) for a motor vehicle, in particular an oil pump for a motor vehicle transmission (2), having a pump unit (30) with a pump housing (32) and with a pump flange (34) which closes the pump housing (30), wherein the pump housing (32) and the pump flange (34), in the joined state, form a peripheral mounting drain (38), wherein the pump housing (32) and/or the pump flange (34) has, on its outer periphery, a catching region (48) for catching and collecting fluid (8), and wherein the catching region (48) opens into the mounting drain (38) which conveys the fluid (8) away on the peripheral side in the manner of a canal.
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
The invention relates to a brushless electric motor (6) having a stator (4) and having a rotor (2) which is drive-connected to a rotating element (28), wherein the rotor (2) has a permanent-magnet rotor magnet (2a) which is magnetized in the manner of a Halbach arrangement, wherein the rotor magnet (2a) is an injection-moulded part containing embedded magnetically anisotropic magnet material, which injection-moulded part is formed at least partially from a ferrite, and wherein the rotor (2) is integrated into the rotating element (28) or is joined to said rotating element.
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
The present invention relates to an electric motor (1) and an electric motor system, wherein the electric motor (1) comprises: a stator (2) having a plurality of pole teeth (16), a rotor (6), a rotor shaft (9) on which the rotor (6) is arranged in a rotationally fixed manner, a first end shield (4) and a second end shield (5), which are connected to each other and form a rotor housing (8) in which the rotor (6) is received with the rotor shaft (9), wherein the rotor housing (8) is arranged in the stator (2) and is fastened to same.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
A 3D printing device for producing a three-dimensional component form at least two different materials. The 3D printing device has both a spray-printing unit and an electron-beam and/or laser unit. To produce the three-dimensional component, the spray-printing unit is designed and set up to spray the at least two different materials, and the electron-beam and/or laser unit is designed and set up to join sprayed-on material integrally by fusing by means of an electron beam and/or by means of a laser beam of the electron-beam and/or laser unit.
B22F 7/08 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
B29C 64/268 - Arrangements for irradiation using laser beamsArrangements for irradiation using electron beams [EB]
B29C 64/165 - Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B29C 64/106 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 10/12 - Formation of a green body by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 12/41 - Radiation means characterised by the type, e.g. laser or electron beam
The discharging device (6) according to the invention for actively discharging an electrical system or an electrically operated unit (1) comprises: a discharging circuit (8), which has a current limiting resistor (12) and a first switch (10) for connecting a component (4) to be discharged of the system or of the electrically operated unit (1) to a reference potential (14) indirectly via the current limiting resistor (12); and a limiting circuit (16), which is situated on the control terminal side of the first switch (10), to limit the heating which occurs at the first switch (10) and/or the current limiting resistor (12) during discharging, wherein the limiting circuit (16) has an NTC resistor (20), which is coupled thermally to the first switch (10) and/or to the current limiting resistor (12).
The invention relates to an electric motor (7) having a stator (1), in particular for an electrical machine, comprising a shell body (2) which encloses an essentially cylindrical cavity (3) with an axis (4), and at least one auxiliary adjustment device (6) fixed to an end face (5) of the shell body (2).
An electric motor including a rotor configured to rotate about a rotational axis and a stator extending along the rotational axis. The stator may include a stator yoke, a first tooth, and a second tooth, each provided with a shaft extending away from the stator yolk towards the rotational axis to a base. Adjacent sides of the of the first tooth and the base of the second tooth may form a groove slot. A reinforcement element may be inserted into the groove slot.
F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system
The invention relates to a rotor (22) of an electric motor (20), in particular for a power steering system (8), comprising a rotor shaft (26), which is directed in an axial direction (A), and a number of rotor cores (24), which are arranged coaxial to each other along the rotor shaft (26), wherein an intermediate ring (38) is arranged between two rotor cores (24) arranged adjacent to each other in the axial direction (A), which intermediate ring holds the adjacent rotor cores (24) interlockingly in a crossed orientation relative to each other.
The invention relates to an electric motor (2) comprising a switching unit (8) having a number of contact wires (24) arranged in relation to a connection ring (22) for coil ends of a stator winding, and comprising an annular frame part (28) having a number of sockets (30) into each of which an insulation-displacement contact (14) with an insulation-displacement slot (52) can be inserted or is inserted, between two insulation-displacement limbs (54) for making terminal contact with at least one wire end (26) of the contact wires (24), said sockets (30) each comprising a socket slot (38), on opposing socket walls (36), which is flush with the insulation-displacement slot (52) of the insulation-displacement contact (14) plugged into said socket (30), and the two socket walls (36) of each socket (30) each have a first clamping contour (42) protruding into the socket slot (38), for each wire end (26) received in the socket slot (38).
The invention relates to safeguarding a high-voltage network which is supplied by an electrical power source, such as for example a traction battery of an electric vehicle. For this purpose, according to the invention, one or more additional thermal cutouts are arranged in a monitoring circuit, such as for example a high-voltage interlock, and if a temperature is exceeded, said cutouts interrupt the monitoring circuit and thus initiate a separation between the high-voltage network and the supplying high-voltage battery.
H01R 13/66 - Structural association with built-in electrical component
H01R 13/713 - Structural association with built-in electrical component with built-in switch the switch being a safety switch
B60L 3/04 - Cutting-off the power supply under fault conditions
G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 5/04 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
H02H 5/10 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
31.
Electronic assembly with thermal fuse, an electric motor and a drive of a motor vehicle
An electronic assembly contains a circuit board having a current-conducting current path with two mutually spaced-apart current path ends that form an interruption point and a contact clip bridging the interruption point. The contact clip is manufactured without a preload, as a thermal fuse. The contact clip has a multiple bent, open clip loop and a contact limb making contact with both mutually spaced-apart current path ends using solder. The contact clip further has a fixing limb with a limb end seated in a circuit board opening. The limb end of the fixing limb is oversized relative to a circuit board opening, and a deformation being imparted to the contact clip, with an internal preload being generated.
H01H 85/143 - Electrical contactsFastening fusible members to such contacts
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
H01H 85/041 - Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
H01H 85/36 - Means for applying mechanical tension to fusible member
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
H05K 3/22 - Secondary treatment of printed circuits
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
H05K 3/30 - Assembling printed circuits with electric components, e.g. with resistor
The invention relates to an electrical oil pump (1) comprising a pump housing (5) containing an electromotively driven pump rotor (15), and a discharge branch (2) arranged on the housing side and receiving a non-return valve (12), said valve comprising a preferably spherical closing body (12a) arranged such that it can move between a valve seat (12d) and a supporting surface (27), and a closing body holder (12b) which is inserted into the discharge branch (2), forms the supporting surface (27) and comprises through-flow sections (24), said holder being inserted into the discharge branch (2) for captive holding therein.
F16K 1/14 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve members
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 2/12 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
F04C 2/356 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
BROSE FAHRZEUGTEILE GMBH & CO KOMMANDITGESELLSCAHFT, WÜRZBURG (Germany)
Inventor
Pfister, Martin
Mai, Patrick
Schoele, Rainer
Findeisen, Antje
Abstract
The invention relates to an electric motor (2), in particular a brushless cooling fan motor of a motor vehicle, comprising a motor support (26) with an electronic unit compartment (34) for receiving an electronic unit (42), comprising an electronic unit compartment lid (40), which covers the electronic unit compartment (34) and comprises a lid opening (44) that has an opening channel (58) and a bead-shaped receiving recess (52) delimited by a recess base (56) and a recess wall (54), and comprising a protective cover (48) with a flat cover screen (50), wherein the opening channel (58) opens into the electronic unit compartment (34) and is provided with a membrane (46) on the side facing the electronic unit (42), and the lid opening (44) is covered by the flat cover screen (50) of the protective cover (48) on the side facing away from the electronic unit (42). The invention additionally relates to a cooling fan module (4) comprising such an electric motor (2).
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
An electric refrigerant drive, in particular a refrigerant compressor for an air conditioner of a motor vehicle, has an electric motor drive module and a compressor module coupled to the drive module. The drive module has a motor housing which houses an electric motor with a rotatable motor shaft and is joined to an end shield. The drive module also comprises a fluid-tight housing partition opposite the end shield, thereby forming an electronic housing that receives an electronic motor unit and is closed by a housing cover. The compressor module has a compressor housing which is attached to the end shield of the motor housing of the drive module and which receives a compressor part that is coupled or can be coupled to the drive module so as to be driven.
F01C 1/02 - Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
F04C 29/00 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
The invention relates to a rotor (2) of an electric motor, in particular for a power steering system, having a cylindrical rotor core (6) and a number of permanent magnets (20) which are distributed over a lateral surface (10) of the rotor core (6), and also a retaining apparatus (18) for non-integrally bonded fastening and/or retention of the permanent magnets (20) on the lateral surface (10) of the rotor core (6), wherein the retaining apparatus (18) has a number of retaining cases (22) which corresponds to the number of permanent magnets (20) and into each of which retaining cases one of the permanent magnets (20) is inserted, and the retaining cases (22) with the permanent magnets (20) inserted therein are radially mounted onto the lateral surface (10).
A fan wheel has a hub cup and a plurality of blades extending radially outward from an outer wall of the hub cup, which is in particular at least substantially cylindrical. Each blade has a leading edge and a trailing edge, wherein for at least one blade, the progression of a relative position of the blade's leading edge and/or the progression of a relative position of the blade's trailing edge has an aperiodically wave-like shape. There is also described a radiator fan module with a fan wheel of the type described above, and a motor vehicle with such a radiator fan module.
A fan wheel has a hub cup and a plurality of blades which are arranged on the hub cup and extend radially outward from an outer wall of the hub cup which is in particular at least substantially cylindrical. Each blade has a leading edge and a trailing edge, wherein for at least one blade, an axial unit depth z*(t) of the blade has an aperiodically wave-like shape. A radiator fan module has a fan wheel of the type described above, and the fan wheel can be used in a motor vehicle.
The invention relates to a connecting device (18) for connecting a set of lines (24) having a plurality of lines (20, 22) to a printed circuit board (30) of a motor electronics arranged in a motor support (6) of an electric motor, comprising a contact adapter (32) with a number of bus bars corresponding to the lines (20, 22) and an overmold housing (40), in which the bus bars are embedded jointly encapsulated, wherein the bus bars comprise first connection contacts (42, 44) protruding from the overmold housing (40) for contacting with the printed circuit board (30) and second connection contacts (46, 48) for contacting with the conductor ends (20a, 22a) of the lines (20, 22), and further comprising a connection housing having a first housing part and a second housing part (34b), wherein said connection housing surrounds the second connection contacts (46, 48), which contact the conductor ends (20a, 22a), and is joined with the overmold housing (40) of the contact adapter (32).
The invention relates to a drive device (1) for a window lifter, comprising a motor unit (2), which has a motor housing (20), an electric motor assembly (23) housed in the motor housing (20), and a driveshaft (21) that can be driven by the electric motor assembly (23), extends along a longitudinal axis (L), and can be rotated about the longitudinal axis (L) relative to the motor housing (20); and a transmission unit (3), which has a transmission housing (30) that is connected to the motor housing (20) and an output element (31) that can be driven via the driveshaft (21) in order to output an adjustment force. The motor unit (2) has a damping assembly (24) which is arranged in the motor housing (20) and comprises a damping element (240) made of an elastic material for supporting a first axial end (211) of the driveshaft (21) against the motor housing (20). Thus, a drive device is provided with which a vibrational excitation, in particular on the motor housing when switching the rotational direction for example, can be reduced effectively and using simple means.
A method for operating an electric motor-driven refrigerant compressor of a motor vehicle is provided. A first temperature of a power semiconductor is measured, and a second temperature of the power semiconductor is determined using a theoretical model of the motor-driven refrigerant compressor. A difference between the first temperature and second temperature is determined. A fault is detected if the difference is greater than a first threshold. The invention further relates to a motor-driven refrigerant compressor of a motor vehicle, to the use of a motor-driven refrigerant compressor, and to a motor vehicle comprising a refrigerant circuit.
An electric motor (1) comprises a stator (10), a rotor (11) able to rotate with respect to the stator (10), a commutator (13) operatively connected to the rotor (11) and able to rotate together with the rotor (11), a carrier element (16) fixed in place with respect to the stator (10), a brush holder (15) arranged on the carrier element (16), and a brush (14) arranged on the brush holder (15), which brush is in electrical contact with the commutator (13). The brush holder (15) is formed by a leaf spring element, which has a resting section (150) resting against the carrier element (16), a holding section (152) carrying the brush (14), and a connecting section (151) connecting the resting section (150) and the holding section (152) to one another in one piece and angled away both with respect to the resting section (150) and the holding section (152). In this way, an electric motor is provided, which has a simply formed brush holder that is easy to produce and also easy to assemble.
The invention relates to a method for mounting a switching unit (3) on a component (10) of an electric motor (1), wherein a component (10) of an electric motor (1) is provided, which component has a plurality of teeth (11) and coil windings (12), which are arranged on the teeth (1) and are formed by winding wire portions (121), the winding wire portions (121) protruding from the coil windings (12) by means of winding wire ends (120). A switching unit (3), which has an arrangement of connecting conductors (31, 31A, 31B), is arranged on the component (10) of the electric motor (1). At least some of the winding wire ends (120) are connected to the connecting conductors (31, 31A, 31B) of the switching unit (3). According to the invention, in order to connect the winding wire ends (120) to the connecting conductors (31, 31A, 31B) of the switching unit (3), a positioning element (2), which is operatively connected to the winding wire ends (120), and the switching unit (3) are moved relative to each other along a movement plane (E) and the winding wire ends (120) are thereby brought into contact with the connecting conductors (31, 31A, 31B). In this way, a method for mounting a switching unit on a component of an electric motor is provided, which method enables a simple and reliable connection between winding wire ends of coil windings and connecting conductors of a switching unit by means of a welding method, in particular a laser welding method.
The invention relates to an electrical brake actuator (2) for a motor vehicle, comprising an actuator housing (4), which is formed from a first housing half-shell (4a) and a second housing half-shell (4b), and comprising an electric motor (6) and a multi-stage transmission (10), which comprises a first transmission stage (60) driven by the electric motor (6) and a final transmission stage (66) having an output gear (110). The electric motor (6) comprises a motor housing (8) and a commutator (42) as well as a brush system (22) which comprises a pot-like brush carrier (20) having base-side shaft feedthrough (54) for a motor shaft (44) which has a first pinion (96) fixed to the shaft. A transmission plate (18) is integrally formed on the brush carrier (20), in particular monolithically, to form a carrier unit (16), which comprises at least one first bearing seat (84) for receiving a first bearing axis (76) of a first gearwheel (98) of the first transmission stage (60), said gearwheel meshing with the first pinion (96) fixed to the shaft.
B60T 13/74 - Transmitting braking action from initiating means to ultimate brake actuator with power assistance or driveBrake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
F16D 65/16 - Actuating mechanisms for brakesMeans for initiating operation at a predetermined position arranged in or on the brake
The present invention relates to a cooler fan module (10), having: a fan frame (2), a fan wheel recess (4) formed in the fan frame (2), wherein the fan wheel recess (4) is bounded by a frame ring (2a), a motor mount (3), which is arranged within the fan wheel recess (4) and is mechanically connected to the fan frame (2) by means of struts (7), a motor (5), more particularly an electric motor 5, which is held at least partially in the motor mount (3), and a fan wheel (6), which is arranged in the fan wheel recess (4) and is rotationally driven by the motor (5), wherein the cooler fan module (10) further has a separately formed, annular structure element (8), which is arranged on the frame ring (2a).
The invention relates to an electric drive (10) for a motor vehicle, in particular a fan drive, comprising: - an electric motor (14) that includes a rotor (40) which is mounted on a motor shaft (16) so as to be able to rotate about a stationary stator (42) as well as a driving part (12) which is coupled to the rotor (40); and - at least one electroconductive cover part (52, 72, 92, 100, 110) for influencing and/or blocking interfering electromagnetic fields generated during operation of the electric motor.
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
A system includes a partition element (4) and a first component (1) which is arranged on a first side of the partition element (4). The first component (1) includes at least one conductor (9), and the partition element (4) includes an associated feedthrough (5) for inserting and feeding through the conductor (9) and for electrically contacting the conductor (9) on a second side of the partition element (4) located opposite the first side. The conductor (9) forms a form-fitting connection to the feedthrough (5) and is pressed into the feedthrough (5).
H02G 3/22 - Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
H02G 1/08 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
The invention relates to a compressor (2), in particular an electric-motor refrigerant compressor, for compressing a fluid (F), having a compressor housing (4) with a housing bottom (6), and having a compressor part (8) which is mounted in the compressor housing (4) for conveying the fluid (F) from a low pressure-side inlet (46) to a high pressure-side outlet (16), wherein a separating device (14) is introduced into the housing bottom (6), which separating device (14) has a cylindrical separating chamber (18) which is connected to the outlet (16), and a separator (20) which is arranged coaxially in said separating chamber (18) for separating lubricant (24) which is contained in the fluid (F), and wherein a high pressure chamber (40) of the compressor housing (4) is coupled in flow terms by means of a passage duct (27) to the separating chamber (18), and wherein the passage duct (27) is made in an intermediate wall (44) between the high pressure chamber (40) and the separating chamber (18) in such a way that said passage duct (27) opens into the separating chamber (18) offset radially and on the outer side of the separator (20).
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
The invention relates to a segmented stator for or in an axial flux machine, having a plurality of stator segments which are formed from stacks of straight sheet metal, which are connected by an adhesive layer, wherein the stator segments are interlockingly connected to each other and together form a polygonal structure. The present invention further relates to a method for producing such a segmented stator and a use of stacks of straight, punched out sheet metal as stator segments for or in such a segmented stator.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
The invention relates to an electrical refrigerant drive (2), in particular a refrigerant compressor for an air-conditioning system of a motor vehicle, having an electric-motor drive (4) and a compressor (6) coupled thereto, wherein the drive (4) has a motor casing (18a) which accommodates an electric motor (20) having a stator (28) and a rotor (26) rotatably mounted therein, and comprises a fluid-tight casing intermediate wall (18c), forming an electronics housing (18b) which accommodates motor electronics (22) and is closed by a housing cover (32), and wherein a number of passage openings (50) are introduced into the intermediate casing wall (18c), in each of which a through-contact (46) having a connecting pin (44) for making contact between a phase end (42) of a stator winding (28b) of the stator (28) and the motor electronics (22) is inserted in a fluid-tight and pressure-tight manner
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/33 - Drive circuits, e.g. power electronics
F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
The invention relates to an electric motor (20), in particular for an electric refrigerant drive (2), comprising a motor housing (18a), in which a stator (28) and a rotor (26) rotatably mounted with respect to the latter are accommodated, wherein the stator (28) has a cylindrical stator yoke (60), from which, starting on the inner circumferential side, a number of stator teeth (54) extend radially inward in a star shape, a circular ring-shaped gap region (68) is formed between the outer circumference (66) of the stator yoke (60) and the inner circumference (64) of the motor housing (18a), and wherein a damping intermediate layer (17) is introduced into the gap region (68).
The invention relates to an electric machine (30) of a motor vehicle (2), in particular a refrigerant compressor (12), comprising a electronic unit compartment (50) and a printed circuit board (56) arranged inside the electronic unit compartment (50), and a first connection (52) that is fixedly maintained inside the electronic unit compartment and is in electric contact with an electric coil (35) of a stator (34). The first connection (52) is in electric contact with a second connection element (80) of the printed circuit board (56) by means of a flexible contact element (86) which is in electric contact with a bridge circuit (70). The invention further relates to a refrigerant compressor (12) of a motor vehicle (2), comprising said electric machine (30).
The invention relates to a method (88) for producing an electric winding (66) of an electric machine (30) of a motor vehicle (2), in particular an electromotive refrigerant compressor (12). A first and a second turn (68, 70) are stacked on top of one another in an axial direction (A) and are electrically contacted with one another by integral bonding using a contact material, forming a first contact point (93). A third turn (72) is stacked onto the second turn (70) in the axial direction (A) and is electrically contacted with the second turn (70) by integral bonding using a contact material, forming a second contact point (100), and a contact material is used with a melting temperature that is lower than the melting temperature of the first, second and third turn (68, 70, 72). The invention also relates to an electric winding (66) of an electric machine (30) of a motor vehicle (2).
H02K 3/32 - Windings characterised by the shape, form or construction of the insulation
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
The invention relates to a method (68) for producing an electrical machine (26) of a motor vehicle (4), particularly a steering motor. A housing (30) with a stator (50) is provided and a rotor (48) is inserted into the housing (30). An end shield (36) provided with a bearing (38) for rotatably mounting the rotor (48) is positioned on the housing (30), and a variable (78) characterising the position of the rotor (48) in relation to the stator (50) is determined. The end shield (36) is moved in relation to the housing (30) such that a deviation (82) between a nominal value (84) and the characterising variable (78) is smaller than or equal to a threshold (92), and the end shield (36) is fixed to the housing (30). The invention also relates to a device (54) for producing an electrical machine (26) of a motor vehicle (4), and to an electrical machine (26) of a motor vehicle (4).
An electric motor has a switching unit with a number of contact wires and an annular frame part. The contact wires are arranged to form an interconnect ring for the coil ends of a stator winding and the ends of the wires being connected by insulation displacement contacts. Each of the contacts have two insulation displacement limbs for connecting at least two of the wire ends, the limbs being spaced apart, thus forming an insulation displacement slot therebetween. The frame part of the switching unit has a number of plug-in pockets for receiving the insulation displacement contacts, the number corresponding to the number of insulation displacement contacts.
The invention relates to an electric motor (2) comprising a motor housing (4) which has a front-end housing base (12) and an oppositely arranged end shield (16), and comprising, mounted in the motor housing, a motor shaft which has a rotor (8) fixed thereon, said rotor being surrounded by a stator (10) which is inside the housing, wherein the stator (10) is supported, in the region of its rotor-side inner periphery (36), in the motor housing (4) such that an annular gap (32) is formed between the outer periphery (28) of the stator (10) and the interior housing wall (30) of the motor housing (4).
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
An electric motor, in particular a radiator fan motor of a motor vehicle, has a rotor which is mounted such that it can rotate in relation to a stator, a motor mount which has an electronics compartment for accommodating a converter electronics system, and an electronics compartment cover. The electronics compartment cover has a peripheral sealing groove into which a peripheral edge of the electronics compartment engages by way of a corresponding sealing web in order to reliably seal off the electronics compartment.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 29/64 - MountingAssemblingDisassembling of axial pumps
H02K 5/02 - Casings or enclosures characterised by the material thereof
Hochschule Düsseldorf University of Applied Sciences (Germany)
Inventor
Springer, Nils
Mauss, Michael
Kameier, Frank
Na, Gi-Don
Abstract
The invention relates to a fan impeller (5) for a radiator fan module (1) in a motor vehicle as well as to a radiator fan module, the fan impeller comprising: a hub (8), a shroud (9), a plurality of blades (7) that extend from the hub (8) outward and are connected to each other via the shroud (9), and a plurality of streamlining fins (16) which are located between the blades (7), on the bottom side (12) of the shroud (9).
The present invention provides a stator arrangement for an electric three-phase generator, comprising a plurality of stator teeth, comprising a contacting device which is arranged on an end portion of the stator teeth, comprising a continuously wound winding wire which is wound in each case about individual stator teeth in order to form stator tooth windings and portions of which are arranged on the contacting device between the individual stator teeth, comprising a connecting element, which is arranged on the contacting device and designed to electrically connect portions of the winding wire arranged on the contacting device in order to form a star point. The present invention further provides an electric three-phase generator and a method for producing a stator arrangement.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/085 - Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
59.
ELECTRIC MOTOR HAVING A HOUSING AND A FLANGE WHICH IS FASTENED TO SAID HOUSING
The invention relates to an electric motor (28), in particular to an electric motor for a motor vehicle, having a motor housing (30) which is in the form of a pole pot, having a cylindrical housing casing (42), a housing base (38) and also having an end plate (40) which is arranged on the opposite end side (36), and having a motor shaft (32) which is mounted in said motor housing. To this end, a fastening flange (46) is guided to the outer side of the motor housing (30) and is fastened to said motor housing. In this case, the fastening flange (46) is suitable for being fastened to the motor housing (30) with the aid of a fastening means which is decoupled in terms of structure-borne noise.
The invention relates to a stator (10) of an electrical machine (98), in particular for a motor vehicle, having a stator laminated core (25) which has a number of inwardly pointing stator teeth (16) and is provided with a rotating field winding (34) which is arranged on the stator teeth (16) and comprises multiple phases (U, V, W, U', V', W'), each phase (U, V, W, U', V', W') comprising at least one coil (30) which has a first and a second coil end (36). The stator also has a contact device (38, 38', 38'') comprising a routing element (42) placed onto the end of the stator laminated core (25) and a connecting element (44), placed onto the routing element, for connecting the coil ends (36) to phase connections (40) on a stator end face. The coil ends (36) protrude vertically through feedthrough openings (48) in the routing element (42) and are each guided in a radially angled manner along a guide groove (54) in the laying element (42) and are axially contacted and fixed at a contact point (56) of the guide groove (54) by means of a contact element (46) which is electrically coupled to the connecting element (42). The guide grooves (54) each have in the axial direction (M) a narrow point (58) which secures the coil end (36) guided in each guide groove (54) against sliding out axially.
The invention relates to a method (72) for operating a brushless electric motor (30) of a motor vehicle (2), particularly an electromotive refrigerant compressor (12), with two sub-motors (64, 66) arranged in sections and each comprising n-phases (A, B, C, U, V, W), by means of a converter (56) corresponding to the number of phases (A, B, C, U, V, W) of the electric motor (30). On the basis of a performance requirement (76), first switching points (80) are determined for the n-phases (A, B, C) of one of the sub-motors (64), and on the basis of the performance requirement (76), second switching points (86) are determined for the n-phases (U, V, W) of the other sub-motor (66). The second switching points (86) are shifted by a first phase angle (92) and the converter (56) is controlled on the basis of the first switching points (80) and the second switching points (86). The first phase angle (92) is selected such that a resulting current flow (I) over the converter (56) is smaller than a first threshold value (96). The invention further relates to a unit (12) of a motor vehicle (2), comprising a brushless electric motor (30).
H02M 5/453 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
H02K 16/00 - Machines with more than one rotor or stator
62.
Electric motor and radiator fan module comprising an electric motor of this type
The present invention relates to an electric motor, the electric motor including: a stator, which is composed of layered metal sheets, a motor support made of an electrically conductive material, a cable connection comprising an earth line cable, and at least one connecting and contacting element made of an electrically conductive material, wherein the connecting and contacting element is configured and arranged on the electric motor such that it provides an earth connection between the stator and the motor support or between the stator and the earth line cable of the cable connection, and wherein the stator and the motor support are fastened to one another independently of the connecting and contacting element.
An electronics housing, in particular for a pump electronics of an electric motor-powered auxiliary pump for a motor vehicle for conveying a fluid. The electronics housing has a housing shell and an electrical plug. The plug protrudes at least partially through the housing shell, and the plug is at least partially covered with a first material which swells upon contact with the fluid.
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
64.
Method for determining a multiphase motor current and electric motor drive
A method for determining a motor current of an electric motor drive with a power source and with an electric motor and with a power converter connected therebetween, wherein an input current of the power source is converted by a pulse width modulated control of a number of semiconductor switches of the power converter into the motor current, wherein an intermediate circuit current of an intermediate circuit of the power source is influenced during the pulse width modulated control of the semiconductor switches, wherein an inductive voltage change is detected at a measuring point of the intermediate circuit due to the influence on the intermediate circuit current, and wherein a value for the generated motor current is determined based on the pulse width modulated control of the semiconductor switches and the inductive voltage change detected at the measuring point.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
The invention relates in particular to a 3D printing device for producing a three-dimensional component (B) from at least two different materials (M1, M2). The 3D printing device (1) has both a spray-printing unit (3) and an electron-beam and/or laser unit (2). To produce the three-dimensional component (B), the spray-printing unit (3) is designed and set up to spray the at least two different materials (M1, M2), and the electron-beam and/or laser unit (2) is designed and set up to join sprayed-on material (M1, M2) integrally by fusing by means of an electron beam and/or by means of a laser beam (20) of the electron-beam and/or laser unit (2). A further aspect of the invention relates to a 3D printing method.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/20 - Apparatus for additive manufacturingDetails thereof or accessories therefor
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H01F 5/02 - Coils wound on non-magnetic supports, e.g. formers
66.
Frame device for a radiator fan module, radiator fan module comprising a frame device and motor vehicle comprising a radiator fan module of this type
The present invention relates to a frame device for a radiator fan module for a motor vehicle, including a frame opening in which a motor seat for receiving a motor is arranged. The motor seat is connected to a frame edge of the frame opening by means of connecting struts. Each connecting strut comprises an inner end connected to the motor seat and an outer end connected to the frame edge of the frame opening. The setting angle of the profile of the respective connecting struts is adapted to the outflow direction of the air flowing out through the frame opening, over the length of the connecting strut from the inner end to the outer end of the connecting strut, such that the flow resistance of the respective connecting struts is as low as possible.
The invention relates to an optimized segment magnet for a permanent magnet motor. By establishing a magnetization profile within the segment magnet in accordance with a continuous cyclic function, optimized operating characteristics for the electric motor can be achieved with a reduced use of material. The cyclic formation of the magnetization direction in the segment magnet can also be combined with shaping in accordance with a further cyclic function, in order to intensify this effect further.
A drive device (1) for adjusting a cover element of a vehicle, in particular for a window lift apparatus, comprises a gearing element rotatable about a rotation axis (D) and a motor unit (8) which has an input shaft (800) rotatable about a shaft axis (W) for driving the gearing element. According to the invention, the shaft axis (W) of the input shaft (800) is oriented at an oblique angle (a) to the rotation axis (D) of the gearing element. In this manner, a drive device is provided which can have favourable operating properties and provide sufficient torque while having a compact structure.
The invention relates to a drive device (1) for adjusting a cover element of a vehicle, in particular for a window lifting system, comprising an output element for adjusting the vehicle part (13), and comprising a motor unit (8) having an electric motor (80) having a stator (83), a rotor (84), and a drive shaft (800) connected to the rotor (84), which drive shaft is rotatable about a shaft axis (W), for driving the output element. According to the invention, the rotor (84) is designed as an external rotor running radially with respect to the shaft axis (W) outside the stator (83). In this way, a drive device is provided, which has favorable operating behavior, can provide a sufficient torque, and can be constructed in a compact manner.
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
70.
DRIVE DEVICE FOR A WINDOW LIFT, HAVING A BEARING ELEMENT FOR FIXING A STATOR IN A HOUSING
A drive device (1) for adjusting a covering element of a vehicle, in particular for a window lift apparatus, comprises: an output element for adjusting the covering element; a motor unit (8), which has an electric motor (80) with a stator (83), a rotor (84) and an input shaft (800), which is connected to the rotor (84) and is rotatable about a shaft axis (W), for driving the output element; and a drive housing (7), which at least partially encloses the motor unit (8). According to the invention, the stator (83) is connected via a bearing element (85) to a stationary housing section of the drive housing (7), wherein the bearing element (85) has a bearing opening (852) in which the input shaft (800) is supported such that it can rotate relative to the stator (83). In this manner, a drive device is provided which can have favourable operating behaviour and provide sufficient torque while having a compact structure.
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
A drive device (1) for an adjustment device for adjusting a vehicle part, in particular a window opener, comprises at least one gear stage which is driveable by electric motor, with at least one rotatable gear element in a geared connection to the vehicle part, and a bearing (82) for the mounting of the gear element. It is provided here that the bearing (82) has a bearing element (820) with a bearing opening (821) for the rotatable mounting of the gear element, and at least one cooling portion (823) which is connected to the bearing element (820) or is integrated in the bearing element (820) and has a phase-changing material (828). A drive device which can have favourable operating properties and a long service life, in particular at the bearings thereof, is thereby provided.
The invention relates to a method for conveying a fluid (6) of a fluid circuit (4) by means of an electric motor-powered fluid pump (10) of a motor vehicle, in particular an oil pump, wherein by means of the fluid pump (10) a fluid pressure (p) of the fluid (6) in the fluid circuit (4) is adjusted to a target pressure (psoll), and wherein an actual pressure (pist) of the fluid (6) is determined without a pressure sensor.
A method for operating an electric machine with a power source, an electric motor, and an intermediary power converter, in which an input current of the power source is converted to a multi-phase output current for the electric motor by a pulse width modulated control of a number of semiconductor switches of the converter, wherein the or each pulse is generated at a first point in time and terminated after a pulse duration at a second point in time, in which for each alternating current component, which is generated in the course of the pulse-width-modulated driving of the semiconductor switches in an intermediate circuit of the power source, a frequency spectrum is determined, and in which the pulse durations of the pulses of the pulse width modulated control can be set such that the sum of the frequency spectra of the alternating current components is minimal.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
The invention relates to an actuator drive (1) of a motor vehicle, having an electrical drive motor (5), which has a motor shaft (7), and having a transmission (3) arranged downstream thereof, in particular a worm gear or spur gear helical transmission, which is operatively connected to the drive motor (5) via the motor shaft (7) thereof and has a transmission housing (2), wherein the shaft end (7a) of the motor shaft (7) on the transmission side is guided on the face against a spherical, elastic dampening element (20), which is arranged in a funnel-shaped receptacle contour (18) of a recess (17) of the transmission housing (2).
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 23/04 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
The invention relates to an electronic assembly (2), in particular of an electric motor, having a circuit board (4) which has a current-conducting current path (6) with two mutually spaced-apart current path ends (6a, 6b) which form an interruption point (10), which interruption point is bridged by means of a contact clip (8), which is manufactured in particular without a preload, as a thermal fuse, wherein the contact clip (8) has a multiply bent, open clip loop (12) and has a contact limb (14), which makes contact with both current path ends (6a, 6b) using solder, and has a fixing limb (16) with a limb end (20) which is seated in a circuit board opening (22), and wherein the limb end (20) of the fixing limb (16) has an oversize in relation to the circuit board arrangement (22), and wherein a deformation is imparted to the contact clip (8), with an internal preload being generated.
H05K 3/22 - Secondary treatment of printed circuits
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
H05K 3/30 - Assembling printed circuits with electric components, e.g. with resistor
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
An electric motor has a switching unit with a number of contact wires and an annular frame part. The contact wires are arranged to form an interconnect ring for the coil ends of a stator winding and the ends of the wires being connected by insulation displacement contacts. Each of the contacts have two insulation displacement limbs for connecting at least two of the wire ends, the limbs being spaced apart, thus forming an insulation displacement slot therebetween. The frame part of the switching unit has a number of plug-in pockets for receiving the insulation displacement contacts, the number corresponding to the number of insulation displacement contacts.
The invention relates to a method for producing a pole housing (16) for an electric motor, in which a tube shell surface (4) made of a, preferably galvanized, sheet metal material is prepared, in which the tube shell surface (4) made of the sheet metal material is formed into a cylindrical pole tube (2) such that the shell longitudinal edges (6), extending in the tube longitudinal direction (L), of the tube shell surface (4) face one another, and in which the shell longitudinal edges (6) of the tube shell surface (4) are connected together, forming a closed pole tube (2), wherein a provided cover (14) is fastened in a form- and/or force-fitting manner as end shield to an end-face tube end (12a) of the pole tube (2).
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
The invention relates to a stator (10) for an electric motor (12), comprising a cylindrical stator yoke (30) and comprising a stator star (2) which is joined to said cylindrical stator yoke and has a number of radially outwardly directed stator teeth (18), the tooth tips (26) of which bear against corresponding connecting points (38) on the inner circumference of the stator yoke (30) in the joined state, wherein the stator yoke (30) and the stator star (2) are each formed by a punch-stacked laminated core, and wherein in each case an adhesive (36), which is drawn in via capillaries, for establishing a cohesive connection is introduced between the stator star-side tooth tips (26) and the stator yoke-side connecting points (38).
The invention relates to a stack system (1) for an electric machine (3), in particular a motor or transformer, said stack system (1) comprising at least one magnetic fiber material (4), the fibers of which are provided with an electrically insulating coating.
An oil pump having a pump housing with a suction-side inlet and with a pressure-side first outlet, which is coupled to a first pump chamber, and with a pressure-side second outlet, which is coupled to a second pump chamber having a first pump rotor which is situated in the first pump chamber so as to be rotatable about a first axis, and having a second pump rotor which is situated in the second pump chamber so as to be rotatable about a second axis, wherein the pump rotors are arranged in a plane, oriented substantially perpendicular to the axes of the pump housing and are coupled by way of an external circumferential toothing.
F04C 11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston typePumping installations
F04C 2/18 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups
F01M 1/02 - Pressure lubrication using lubricating pumps
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
F16H 57/04 - Features relating to lubrication or cooling
81.
Adapter device for attaching a cooling fan to a motor and cooling fan module for an automotive cooling system
The present invention provides an adapter device for attaching a cooling fan to a motor in a cooling fan module for an automotive cooling system. The device includes a connection member for rotationally fixed connection with a rotor of the motor. The rotor is surrounded by a stator comprising windings or coils arranged annularly about the rotor. The connection member is separate from the rotor and is configured for insertion into a central aperture or opening of the rotor for connection thereto via an outer surface of the connection member. An attachment member is provided at an end region of the connection member for attachment of a cooling fan thereto. The adapter device is configured to accommodate at least one bearing which supports the rotor for rotation about a rotational axis.
An electric machine of a motor vehicle, in particular of an adjustment drive or of a radiator fan, has a rotor which is mounted so as to be rotatable about a machine axis. The rotor has a number of permanent magnets which are arranged in the radial direction. Each permanent magnet has one side with a strong magnetic flux and one side with a weak magnetic flux in the tangential direction. When the permanent magnets are adjacent in the tangential direction, different sides are directed towards one another.
B60K 17/12 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of electric gearing
B62D 5/04 - Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
H02K 1/02 - Details of the magnetic circuit characterised by the magnetic material
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
The invention relates to an electric refrigerant drive (2), in particular a refrigerant compressor for an air conditioner of a motor vehicle, comprising an electric motor drive module (4) and a compressor module (6) coupled to the drive module. The drive module (4) has a motor housing (18a) which receives an electric motor (20) with a rotatable motor shaft (24) and is joined to an end shield (10), and the drive module also comprises a fluid-tight housing partition (18c) opposite the end shield, thereby forming an electronic housing (18b) that receives an electronic motor unit (22) and is closed by a housing cover (30). The compressor module (6) has a compressor housing (40) which is attached to the end shield (10) of the motor housing (18a) of the drive module (4) and which receives a compressor part (52) that is coupled or can be coupled to the drive module (4) so as to be driven.
F04C 18/02 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
84.
METHOD FOR OPERATING AN ELECTRIC MOTOR COOLANT COMPRESSOR
The invention relates to a method (76) for operating an electric motor coolant compressor (12) of a motor vehicle (2). A first temperature (80) of a power semiconductor (66) is measured, and a second temperature (84) of the power semiconductor (66) is determined using a theoretical model (86) of the electric motor coolant compressor (12). The difference (96) between the first temperature (80) and the second temperature (84) is determined. An error (104) is detected if the difference (96) is greater than a first threshold (100). The invention further relates to an electric motor coolant compressor (12) of a motor vehicle (2), to the use of an electric motor coolant compressor (12), and to a motor vehicle (2) comprising a coolant circuit (8).
The invention relates to an electronic module (46) of an ancillary unit (8) of a motor vehicle (2), in particular of a refrigerant compressor, having an electronics housing (42) and electronics (32) arranged therein. The electronics (32) have a photosensor (58, 60) for sensing at least a part (66) of the electronic module (46) and for detecting a thermal malfunction (74, 78). The invention further relates to a method (70) for operating an electronic module (46), to an ancillary unit (8) of a motor vehicle (2), and to a use of a photosensor (58, 60).
The present invention relates to a system and a method for producing said system, wherein the system comprises a separating wall element (4) and a first component (1) arranged on a first side of the separating wall element (4), wherein the first component (1) has at least one conductor (9) and the separating wall element (4) has an assigned bushing (5) for passage of the conductor (9) in order to electrically contact the conductor (9) on a second side, opposite the first side, of the separating wall element (4), wherein the conductor (9) has a flange (10) which is connected to the separating wall element (4).
BROSE FAHRZEUGTEILE GMBH & CO KOMMANDITGESELLSCHAFT, WÜRZBURG (Germany)
Inventor
Steinshorn, Axel
Schröder, Hans-Joachim
Abstract
The invention relates to a system and a method for producing the system. The system has a partition element (4) and a first component (1) which is arranged on a first face of the partition element (4). The first component (1) has at least one conductor (9), and the partition element (4) has a paired feedthrough (5) for introducing and feeding through the conductor (9) and electrically contacting the conductor (9) on a second partition element (4) face opposite the first face. The conductor (9) forms a formfitting connection with the feedthrough (5) and is pressed into the feedthrough (5).
The invention relates to a method and a device (2) for winding a coil wire (8) originally having a round cross-section about a toothed part (4) of an electric motor, wherein the coil wire (8) is transformed into a coil wire (8') having a cross-section that is different from the round cross-section in a shaping process, and the transformed coil wire (8') is wound about the teeth (6) of the motor part (4) in order for a rotary-field winding to be made.
An electric motor, in particular a radiator fan motor of a motor vehicle, has a stator which is fitted with a rotating-field winding, and a rotor which is mounted such that it can rotate in relation to the stator. A converter electronics system is provided, wherein a number of contact elements for insulation-free or enamel-insulated connection contacts of at least one component of the converter electronics system and/or for enamel-insulated winding ends of the rotating-field winding are mounted on a printed circuit board. The contact elements are in the form of clamping contacts or insulation-displacement terminal contacts.
H01R 4/24 - Connections using contact members penetrating or cutting insulation or cable strands
H01R 12/67 - Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
H01R 12/63 - Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to another shape cable
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
The invention relates to a brush system (20) of an electric motor (8), comprising a commutator (24), at least one brush (26) that is guided within a brush duct (28) and is provided with a connection line (32), and a spring element (30, 38, 40, 46, 50) that exerts a spring force on the brush (26) when the spring element is effectively connected thereto, such that the brush (26) rests against the commutator (24); the brush duct (28) includes a longitudinal duct slot (56) inside which the connection line (32) extends and which has a constriction (58) that the connection line (32) penetrates when the effective connection between the spring element (30) and the brush (26) is established.
An apparatus for mounting an electric motor, in particular a fan drive of a heating or air-conditioning system of a motor vehicle, such that vibrations are decoupled, having a number of elastic damping elements which are plug-mounted on the motor, and also comprising a corresponding number of mounting contours, which are associated with said damping elements, in an external housing which at least partially surrounds the motor housing, wherein the respective damping element has a central insertion slot for the corresponding radial lug, and wherein the respective damping element has material spokes, which extend in the manner of a star starting from the insertion slot, so as to form spoke sections which face one another and between which slot regions which are free of material and open at the periphery are formed.
A device for mounting an electric motor, in particular a fan drive of a heating or an air conditioning system in a motor vehicle, in such a way that vibrations are decoupled, the device having a number of damping and/or decoupling elements at the motor end, each damping or decoupling element being supported eccentrically in relation to the electric motor or the stator thereof or pole casing or motor housing thereof. A drive and to a damping and/or decoupling element is also provided.
The invention relates to a fan impeller (5) for a radiator fan module (1) in a motor vehicle as well as to a radiator fan module, the fan impeller comprising: a hub (8), a shroud (9), a plurality of blades (7) that extend from the hub (8) outward and are connected to each other via the shroud (9), and a plurality of streamlining fins (16) which are located between the blades (7), on the bottom side (12) of the shroud (9).
The invention relates to an electronics housing (14), in particular for a pump electronics (12) of an electric motor-powered auxiliary pump (4) for a motor vehicle for conveying a fluid (6), comprising a housing shell (16) and an electrical plug (18), wherein the plug (18) protrudes at least partially through the housing shell (16), and wherein the plug (18) is at least partially covered with a first material which swells upon contact with the fluid (6).
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
The invention relates to a stator (44) of an electrical machine (8), in particular an electric motor of a motor vehicle, comprising three phase windings (58), which stator comprises a stator body (67) with a first number of teeth (48) and an interconnection ring (54), which is mounted on the end face of the stator body (67), having three electrical connections (56). Each tooth (48) has one coil winding (60) of one of the phase windings (58) wound around it, wherein corresponding coil windings (60) of the phase windings (58) are created at the same time. A first angle (α) is formed with respect to the stator axis (124) between coil windings (60) which are created at the same time. An end section (128) of each phase winding (58) is connected to one of the connections (56), wherein a second angle (β), which differs from the first angle (α), is formed with respect to the stator axis (124) between adjacent connections (56). The invention further relates to an interconnection ring (58) of an electrical machine (8), and to a method (84) for creating a stator (44) of an electrical machine (8).
The invention relates to an electrical machine (8), in particular an electric motor of a motor vehicle, comprising a housing (24) and a stator (44) arranged therein. The stator (44) bears circumferentially against the housing (24) by non-positive engagement by means of a first region and has on the circumference a second region which is spaced apart from the housing (24). The invention further relates to a heating/air conditioning fan of a motor vehicle, having an electric motor (8).
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
97.
STATOR ARRANGEMENT, ELECTRICAL THREE-PHASE MACHINE AND METHOD FOR PRODUCING A STATOR ARRANGEMENT
The present invention provides a stator arrangement (1) for an electrical three-phase machine, said stator arrangement comprising a large number of stator teeth, comprising a contact-making device (100) which is arranged on an end section of the stator teeth, comprising a continuously wound winding wire (2) which is wound around individual stator tooth in order to form stator tooth windings and which is arranged in sections on the contact-making device between the individual stator teeth, comprising an interconnection element (10) which is arranged and designed on the contact-making device (100) in such a way as to electrically connect sections of the winding wire, which sections are arranged on the contact-making device, in order to form a star point (15). An electrical three-phase machine and a method for producing a stator arrangement are also provided.
Disclosed is a brushless direct current motor comprising a stator, which has a plurality of armature coils, and a permanently excited rotor rotatable relative to the stator about an axis of rotation, which rotor has at least two opposite permanent magnet poles which generate an exciter field that can be described by an exciter field vector. A control device serves to control the armature coils in order to generate, on the stator, an armature field which runs around the axis of rotation and which can be described by an armature field vector, wherein the control device is configured to control the armature coils during operation of the direct current motor in such a way that an angle is set between the armature field vector and the exciter field vector. The control device (2) has a storage unit (20) that stores a characteristic map (K), wherein angle parameters (O) are contained in the characteristic map (K) and the storage device (2) is configured, on the basis of the characteristic map (K), to regulate the angle (α) between the armature field vector (A) and the exciter field vector (E) in accordance with the rotational speed (n) and the torque (M) of the rotor (11) during operation. In this way, a brushless direct current motor is provided which enables the operating behaviour of the motor during operation to be optimised with regard to various criteria, in particular with regard to efficiency, noise behaviour and electromagnetic emissions, but also enables said characteristics to be variably adapted by a user.
A cooling fan module includes a frame, and a fan impeller having a plurality of fan impeller blades is located in an opening of the frame. The fan impeller blades are connected to a base portion of an outer fan ring. A lip portion of the outer fan ring extends from the base portion radially outward, and a leading end of the lip portion is turned in direction to the downstream side of the frame. A recirculating flow guiding device includes a plurality of guide vanes located on an upstream side of the frame and around the opening of the frame. An air gap is provided between the outer fan ring and the frame. A recirculating flow travels from downstream side of the cooling fan module through the air gap, and is turned by the leading end of the lip portion into the recirculating flow guiding device.
A motor assembly has an electric motor with a motor housing and an electronics unit. A first housing shell is formed as a motor carrier and has the motor housing fastened to it. A second housing shell is in the form of a cooling cover. An electronics carrier is arranged in sandwich-like fashion between the cooling cover and the motor carrier. The electronics carrier has, at the cooling cover side, a first, circumferentially encircling seal which seals off a first contact edge formed between the electronics carrier and the cooling cover and the electronics carrier has, at the motor carrier side, a second, circumferentially encircling seal which seals off a second contact edge formed between the electronics carrier and the motor carrier.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
F16H 61/00 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
F16H 61/02 - Control functions within change-speed- or reversing-gearings for conveying rotary motion characterised by the signals used
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/33 - Drive circuits, e.g. power electronics
patents
