WO2020187973A1 - Mécanisme d'entraînement électrique doté d'une machine électrique et d'une électronique de puissance - Google Patents

Mécanisme d'entraînement électrique doté d'une machine électrique et d'une électronique de puissance Download PDF

Info

Publication number
WO2020187973A1
WO2020187973A1 PCT/EP2020/057410 EP2020057410W WO2020187973A1 WO 2020187973 A1 WO2020187973 A1 WO 2020187973A1 EP 2020057410 W EP2020057410 W EP 2020057410W WO 2020187973 A1 WO2020187973 A1 WO 2020187973A1
Authority
WO
WIPO (PCT)
Prior art keywords
power electronics
electric drive
electrical machine
stator
machine
Prior art date
Application number
PCT/EP2020/057410
Other languages
German (de)
English (en)
Inventor
Sven Holst
Leschek Debernitz
Original Assignee
Zf Friedrichshafen Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2020187973A1 publication Critical patent/WO2020187973A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the present invention relates to an electrical drive with an electrical machine and with power electronics for installation in a transmission housing. Furthermore, the invention relates to a transmission of a vehicle with an electric drive attached to a transmission housing.
  • a drive device for a motor vehicle drive train is known, for example, from the publication DE 10 2014 216 636 A1.
  • the drive device comprises an automatic transmission with a transmission housing and a first drive unit arranged in the transmission housing, designed as an electrical machine, with a rotor arranged rotatably about an axis and with a stator arranged coaxially and radially on the inside to form a radial air gap.
  • a radially inner first receiving area is provided in the transmission housing.
  • An electronic assembly for controlling the electrical machine is used in the receiving area of the transmission housing.
  • the electrical machine and the electronic assembly for controlling the electrical machine form separate components that have to be installed separately in the transmission housing.
  • the present invention is based on the object of proposing an electric drive and a transmission with an electric drive, which allow a common functional test and a common simplified assembly of the drive on the transmission housing prior to assembly.
  • an electric drive and a transmission with an electric drive should be designed as compact as possible, that is to say in a space-saving manner.
  • an electrical drive and a transmission with an electrical drive are to be cooled effectively and reliably at the same time.
  • an electric drive with an electric machine and with a power electronics for installation in a transmission housing is proposed, the electric machine ne and the power electronics are connected to one another as a pre-assembly unit and the power electronics are attached and contacted on the axial side of the electrical machine and the electrical machine is fluid-cooled and includes a central wet room and the power electronics have a dry room adjacent to the wet room.
  • the electrical machine and the power electronics can be pre-assembled into a common assembly unit before the assembly in the transmission and can thus be functionally tested together in advance and then assembled together.
  • a finished pre-assembly unit is thus formed.
  • the power electronics and the electrical machine are characterized in that they each form separate housings which can be mechanically and electrically connected to one another in a structurally simple manner to form a pre-assembly unit.
  • the electrical machine can advantageously have a stator carrier as a housing, as well as a first end shield and a second end shield for mounting a rotor, with a sealing area for delimiting the wet area being formed on the axial side facing the power electronics between the stator carrier and the first end shield located there.
  • the electrical machine can be designed as an internal rotor machine with a stator and with a rotor arranged radially inward for this purpose.
  • the sealing area By providing the sealing area, the wet space can be closed off, in particular in an outer radial area.
  • the aforementioned sealing area can be designed as a circumferential weld seam, so that in addition to sealing off the wet area, the first bearing plate can also be fixed to the stator carrier in a rotationally fixed manner.
  • the wet room and the dry room be separated by a cover closing off the power electronics, the cover resting against the first bearing plate forming a common sealing area.
  • wet and dry space can thus also be separated in a centrally inner area, that is in the vicinity of the bearing point of a rotor shaft located there, compared to a cooling fluid or oil passing through the bearing.
  • the ge-called sealing area between the cover and the end shield is located radially outside the bearing point of the rotor shaft.
  • the power electronics can comprise, as a housing, a base body made of metal, in particular made of aluminum, and a cover that closes off the base support on the side of the electrical machine and is preferably made of a plastic.
  • the current-carrying components of the power electronics can, for example, be positioned on the aluminum base support and connected to it with a force fit.
  • the plastic cover of the power electronics offers the advantage that heat conduction between the electrical machine and the base carrier with the current-carrying components is reduced.
  • the first end shield of the electrical machine is advantageously used by attaching the base support of the power electronics to the first end shield of the electrical machine.
  • the cover of the power electronics rests against the first bearing plate and is pressed tightly against it.
  • This pre-assembly unit formed is attached to the gearbox housing for assembly via the first bearing plate.
  • the stator carrier of the electrical machine can thus be fastened to the gear housing (3) via the first bearing plate.
  • the first end shield can particularly advantageously have a radial flange with openings, radially outside the two sealing areas explained above, for example in the form of screw straps for receiving fasteners, in particular screw bolts.
  • a sealing area to be formed on the stator carrier for interaction with a gearbox housing.
  • This further sealing area can be provided on the stator or on the stator carrier on the axial side facing the power electronics, in order to effectively prevent cooling fluid from crossing over and exiting from the axial side of the electrical machine facing away from the power electronics to the opposite side.
  • the electrical contact between the electrical machine and the power electronics can take place, for example, via electrically conductive current bolts or the like.
  • the power bolts can cross the end shield of the electrical Ma machine and the plastic cover of the power electronics to get with the Stromware-generating components such.
  • B. a printed circuit board, board or the like of the power electronics nik to be connected.
  • sealing elements are assigned to the contact.
  • a sealing ring can be easily seen when using power bolts, which is arranged axially between the first end shield of the electrical machine and the cover of the power electronics.
  • the sealing ring acts both on the outer diameter of the current bolt and on the transition between the sealing ring and the cover of the power electronics.
  • the seal is clamped between the cover and the end shield of the electrical machine and creates the seal at the sealing points through the elastic deformation.
  • Dichtmit tel used.
  • Another aspect of the present invention relates to a transmission of a vehicle with the electric drive attached to a transmission housing, so that the advantages and other advantages described above result.
  • Fig. 1 is a schematic sectional view through an electrical drive according to the invention's rule with an electrical machine and with a
  • Fig. 2 is a schematic side view of the electric drive as
  • Fig. 3 is a schematic plan view of the electric drive as
  • FIG. 5 shows a three-dimensional view of a transmission housing of a transmission of a
  • Fig. 6 is a further sectional partial view of the electric drive angeord designated in a transmission housing
  • FIG. 7 shows a still further sectional partial view of one compared to FIG. 6 in one
  • the power electronics 2 is attached to the electrical machine 1 axially or coaxially and electrically contacted.
  • the power electronics 2 comprises, as a housing, a base support 4 made of metal, for example made of aluminum, and a cover 5, for example made of plastic, which closes the base support 4 on the e-machine side.
  • the electrical machine 1 comprises, as a housing, a substantially tubular cylindrical stator carrier 6, which is designed in particular as a formed sheet metal part, as well as a first end shield 7 and a second end shield 8 for mounting a rotor 9 of the electrical machine 1. gebil det by the stator 6 and each end face by the two end shields 7, 8 in the electrical machine 1.
  • the rotor 9 is supported by means of a rotor shaft 9a through two ball bearings 30, 31 on the bearing shields 7, 8 opposite the stator 16 of the electrical machine 1.
  • the axial or coaxial positioning of the power electronics 2 takes place via the centering diameter of the cover 5 of the power electronics 2 in the first bearing plate 7 of the electrical machine 1.
  • the angular alignment takes place via a dowel pin between the stator support 6 and the base support 4 of the power electronics 2.
  • the cover 5 made of plastic is partially received in the stator support 6.
  • the cover 5 is also partially received in the base support 4 of the power electronics 2 and forms the power electronics 2 with it.
  • the power electronics 2 are fastened by screw connections 15a via the base support 4 to the stator support 6 of the electrical machine 1, as can be seen in the context of FIGS. 1-6.
  • the stator carrier 6 comprises a cylinder section 6a and, on the end region directed towards the power electronics 2, an annular collar 6b directed radially outward. This annular collar 6b serves as an axial stop and defines the axial mounting position when the electrical machine 1 is inserted into the transmission housing 3.
  • the stator carrier 6 of the electrical machine 1 has on its circumference several tabs or openings 151a, 151b protruding radially from an outer circumference boundary 22 for the screw connections 15a, 15b on the base carrier 4 of the power electronics 2 and on the gear housing 3 and.
  • the tabs 151a are aligned with the outside of the power electronics 2, in particular on the base body 4, radially protruding receiving areas 152a for screw bolts.
  • the tabs 151b are aligned with receiving areas 152b for screw bolts protruding radially from a substantially cylindrically shaped base body of the transmission housing 3. A torque introduced via the stator can thus also be supported via the screw connection 15b.
  • the cover 5 of the power electronics 2 lies in a sealing manner on the first bearing plate 7 of the electrical machine 1, as can be seen, for example, in FIGS. 1, 4 and 6.
  • the current-carrying components of the power electronics 2 are positioned on the basic support 4 made of aluminum and connected to it with a force fit.
  • the base support 4 of the power electronics 2 there are cooling channels for cooling with a liquid medium, the cooling channel being arranged on the side of the electrical drive facing away from the electrical machine 1.
  • the electrical contact between the electrical machine 1 and the power electronics 2 takes place in the proposed electrical drive via power bolts 10.
  • the power bolts 10 traverse the first bearing plate 7 of the electrical machine 1 and the cover 5 of the power electronics 2 to connect to a circuit board 1 1 of the To be connected to the base support 4 of the power electronics 2, the circuit board 11 being connected to the base support 4, as can be seen, for example, from FIG.
  • the cover 5 of the power electronics 2 has, inter alia, the task of insulating the conduction of heat between the electrical machine 1 and the power electronics 2 in the electrical drive.
  • the electrical machine is fluid-cooled to dissipate heat loss and is designed with a cooling device, wherein the rotor 9 can be wetted with a cooling fluid, in particular a cooling oil, and wherein the interior of the electrical machine 1 is designed as a central wet room 23.
  • the cooling fluid is introduced axially in the region of the second end shield 8 into the rotor shaft 9a designed as a hollow shaft and can exit this via radial outlet openings 9b via fluid channels running inside the rotor 9.
  • the cooling fluid can spread over the entire space area delimited by the end shields 7, 8 and the stator carrier and can also so pass through the bearings 30, 31, lubricate them and also cool them simultaneously with the rotor 9 and the stator 16.
  • the cooling fluid can leave the interior again through outflow openings (not shown in the drawing) in the area of the second bearing plate 8.
  • the cover 5 of the power electronics 2 has the task of separating the oil-flooded wet space 23 of the oil-cooled electrical machine 1 from a dry space 24 of the power electronics 2, in spite of all this, a passage of the magnetic field z. B. the rotor position sensor magnet in the direction of the receiver on the circuit board 1 1 of the base 4 of the power electronics 2 is made possible.
  • a first sealing area 19 is provided between the cover 5 and the stator carrier 6, for which purpose an annular groove 17 with a sealing ring 18 is formed in an outer peripheral wall area of the cover 5, as can be seen particularly well from FIG. 6 is.
  • a second sealing area 20 is also provided between the stator support 6 and the gear housing 3.
  • a sealing ring 21 is set on the stator carrier 6 in the transition area from the cylinder section 6a to the annular collar 6b, which cooperates with a conical sealing surface 3a formed on the central insertion opening of the gear housing 3.
  • This conical sealing surface 3a is followed on the one hand by a cylindrical section 3b and on the other hand by an end face 3c that interacts with the ring collar 6b and extends radially outward.
  • the stator carrier 6 has a jump in diameter on the axial side facing away from the sealing areas 19, 20 and thereby forms an axial stop 6c for axially fixing a stator lamination packet 16a. It can be seen in Fig. 6 that the Statorblechpa ket 16a from the axial side facing the sealing area 20 into the stator 6 is inserted.
  • the end shields 7, 8 are pushed into the stator carrier 6 on both axial sides of the laminated core 16, in particular pressed in, and bear against the laminated core 16a.
  • the stator 16 with the end shields 7, 8 is pushed from right to left in FIG. 6 into the gear housing 3 which is open there.
  • each current bolt 10 has a sealing ring 12 which is arranged axially between the first end shield 7 of the electrical Ma machine 1 and the cover 5 of the power electronics 2 (FIG. 4).
  • the fact that sealing elements are provided between the first bearing plate 7 of the electrical machine 1 and the cover 5 of the power electronics 2 in the area of the current bolts 10 prevents oil from the oil or wet space 23 of the electrical machine 1 from entering the dry space 24 the power electronics 2 penetrates.
  • the sealing ring 12 acts simultaneously both on the outer diameter of the current bolt 10 and at the transition between the sealing ring 12 and the cover 5 of the power electronics 2.
  • the sealing ring 12 is clamped in the Mon days of the power electronics 2 between the cover 5 and the end shield 7 of the electrical machine 1's rule and generated by the elastic deformation creates the seal at the sealing points, as can be seen in FIG.
  • the floating arrangement between the cover 5 and the first bearing plate 7 can be sealed between the power electronics 2 and the electrical machine 1 even in the case of axial offset and Win angle offset.
  • the contacting can also have a length compensation between the electrical machine 1 and the power electronics 2.
  • the length compensation is carried out by bolts 13 which are passed through openings in the base support 4 of the power electronics 2 to the associated current bolts 10.
  • the bolts 13 and the power bolts 10 can be connected to one another in an electrically conductive manner via a copper band 14 or the like. After contacting, the openings are closed with a cover element with a seal.
  • FIG 5 the advantageously simple assembly of the proposed electric drive with the electric machine 1 and the power electronics 2 as a pre-assembly unit on egg nem transmission housing 3 of a transmission of a vehicle is shown as an example.
  • the electrical machine 1, which is connected to one another as a pre-assembly unit, and the power electronics 2 are inserted into a recess in the transmission housing 3 in the direction of the arrow and screwed to the transmission housing 3.
  • the stator support 6 of the electrical machine 1 has the aforementioned tabs or openings 151 a, 151 b for the screw connections 15a, 15b on the base support 4 of the power electronics 2 and on the transmission housing 3 and.
  • Fig. 7 shows a further sectioned partial view of an electric drive modified compared to FIG. 6 in a connec tion area to the gearbox housing 3 with an alternative design for separating wet room 23 and dry room 24.
  • the electrical machine 1 in turn comprises the stator carrier 6 as a housing as well as the first end shield 7 and the second end shield 8 for mounting the rotor 9.
  • the first end shield 7 is used in this exemplary embodiment by the Base support 4 of the power electronics 2 is attached to the first bearing plate 7, the cover 5 of the power electronics 2 in turn resting on the first bearing plate 7 and sealingly attached. is pressed.
  • This pre-assembly unit formed is fastened to the gearbox housing 3 for assembly via the first bearing plate 7, as can be seen in FIG. 7.
  • the second sealing area 20 between the stator carrier and the gear housing 3 is moved axially from the end area of the gear housing 3 to the stator laminated core 16a and forms a sealing area 20 there.
  • the stator carrier 6 has a jump in diameter on the side facing the sealing area 20, the diameter being locally reduced in comparison to a support area for the stator lamination stack 16a. This jump in diameter forms an axial stop 6d during the assembly of the laminated stator core 16a.
  • the jump in diameter also forms a wall area of an annular groove 25, into which a sealing ring 26 cooperating with the cylindrical inner circumferential surface of the gear housing 3 is inserted.
  • the stator carrier 6 is likewise designed with a diameter that is reduced in comparison to the support area for the stator core lamination 16a.
  • the end shields 7, 8 are in turn pushed into the stator carrier 6, in particular pressed in, on both axial sides of the laminated core 16, the second end shield 8 being at the end of the laminated core 16a.
  • the first bearing plate 7 is in a radially outer area with a from
  • Stator lamination packet 16a is formed away from pipe section 7a, which still further radially outside into a radial flange 7b with screw tabs or connection openings 153a,
  • the screw connections 15a, 15b are thus provided radially outside the sealing areas 27, 19 '.
  • the screw tabs 153a, 153b are formed offset at the beginning of the bearing plate 7, only one screwing 15b is shown in FIG.
  • the screw lugs 153a are provided for forming the screw connection 15a with the power electronics 2 and the screw lugs 153b are provided for forming the screw connection 15b with the transmission, in particular with the transmission housing 3.
  • the end region of the stator carrier 6 is welded to the bearing plate 7, with a weld seam 27a being able to be formed in the radial gap 28 between the stator carrier 6 and the gear housing 3.
  • FIG. 7 It can be seen in FIG. 7 that the laminated stator core 16a is inserted into the stator carrier 6 from the axial side facing away from the sealing area 20. The stator 16 with the end shields 7, 8 is pushed into the gear housing 3 from right to left in FIG. 7.
  • the first sealing area 19 (Fig. 6) is here provided as a sealing area 19 'between the cover 5 and an inner circumferential surface of the pipe section 7a. For this purpose, an annular groove 5 a with a sealing ring 29 is formed on the cover 5.
  • the cover 5 is designed to be closed radially on the inside in the area of the rotor shaft, so that there is no fluid there can emerge from the wet room 23.
  • the assembly of the electrical machine 1 takes place in a manner analogous to FIG. 5 by means of the screw straps 153a, 153b on the bearing plate 7.
  • the advantage of the configuration in FIG. 7 over that of FIG. 6 is that the position of the sealing area 20 means that the conical sealing surface 3a and the contact surface 3c can be omitted and that the screw connections 15a, 15b can be formed on a smaller partial circle diameter .
  • an outer diameter of the electric machine 1 and the electric drive can initially be noticeably reduced to whoever.
  • a transmission with an electric drive explained above can be made more compact. With a parallel arrangement of the electric drive, that is, the rotor shaft of the electric machine to an input shaft of the transmission, the mutual distance between the shafts can be reduced considerably, whereby the electric drive can be arranged closer to the input shaft of the transmission.
  • the overall installation space gained in this way can be used for the arrangement or for the formation of other units or elements. Any critical installation space situation for installing such a transmission in an engine compartment of a vehicle can in this way at least be significantly reduced or completely eliminated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un mécanisme d'entraînement électrique comportant une machine électrique (1) et une électronique de puissance (2), et destiné à être monté dans un carter de transmission (3), la machine électrique (1) et l'électronique de transmission (2) étant reliées l'une à l'autre en tant qu'unité de prémontage et l'électronique de puissance (2) étant fixée et mise en contact côté axial avec la machine électrique et ladite machine électrique (1) étant refroidie par fluide et comprenant un espace humide (23) et l'électronique de puissance (2) présentant un espace sec (24) jouxtant l'espace humide. L'invention concerne en outre une transmission de véhicule comportant un mécanisme d'entraînement électrique fixé à un carter de transmission (3).
PCT/EP2020/057410 2019-03-19 2020-03-18 Mécanisme d'entraînement électrique doté d'une machine électrique et d'une électronique de puissance WO2020187973A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019203674.0A DE102019203674A1 (de) 2019-03-19 2019-03-19 Elektrischer Antrieb mit einer elektrischen Maschine und mit einer Leistungselektronik
DE102019203674.0 2019-03-19

Publications (1)

Publication Number Publication Date
WO2020187973A1 true WO2020187973A1 (fr) 2020-09-24

Family

ID=69846475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/057410 WO2020187973A1 (fr) 2019-03-19 2020-03-18 Mécanisme d'entraînement électrique doté d'une machine électrique et d'une électronique de puissance

Country Status (2)

Country Link
DE (1) DE102019203674A1 (fr)
WO (1) WO2020187973A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021204121A1 (de) 2021-04-26 2022-10-27 Robert Bosch Gesellschaft mit beschränkter Haftung Montagesequenz fuer elektrische Achsen (eAchse System)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100295391A1 (en) * 2009-05-19 2010-11-25 Ford Global Technologies, Llc Cooling System And Method For An Electric Motor
US20120161558A1 (en) * 2010-12-28 2012-06-28 Asmo Co., Ltd. Drive device
US20130099611A1 (en) * 2011-10-19 2013-04-25 Denso Corporation Driving apparatus
DE102014203542A1 (de) * 2014-02-27 2015-08-27 Robert Bosch Gmbh Elektrische Maschine mit einem Polgehäuse
DE102014216636A1 (de) 2014-08-21 2016-02-25 Zf Friedrichshafen Ag Antriebsvorrichtung für einen Kraftfahrzeugantriebsstrang
DE102015225843A1 (de) * 2015-12-18 2017-06-22 Robert Bosch Gmbh Elektrische Antriebseinheit mit einem Gehäuse
US20170225707A1 (en) * 2016-02-05 2017-08-10 Denso Corporation Electric motor and electric power steering apparatus having the same
DE102016202886A1 (de) * 2016-02-24 2017-08-24 Conti Temic Microelectronic Gmbh Flüssigkeitsgekühlte elektrische Maschine
CN208190393U (zh) * 2018-02-12 2018-12-04 比亚迪股份有限公司 电动总成和具有其的车辆

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100295391A1 (en) * 2009-05-19 2010-11-25 Ford Global Technologies, Llc Cooling System And Method For An Electric Motor
US20120161558A1 (en) * 2010-12-28 2012-06-28 Asmo Co., Ltd. Drive device
US20130099611A1 (en) * 2011-10-19 2013-04-25 Denso Corporation Driving apparatus
DE102014203542A1 (de) * 2014-02-27 2015-08-27 Robert Bosch Gmbh Elektrische Maschine mit einem Polgehäuse
DE102014216636A1 (de) 2014-08-21 2016-02-25 Zf Friedrichshafen Ag Antriebsvorrichtung für einen Kraftfahrzeugantriebsstrang
DE102015225843A1 (de) * 2015-12-18 2017-06-22 Robert Bosch Gmbh Elektrische Antriebseinheit mit einem Gehäuse
US20170225707A1 (en) * 2016-02-05 2017-08-10 Denso Corporation Electric motor and electric power steering apparatus having the same
DE102016202886A1 (de) * 2016-02-24 2017-08-24 Conti Temic Microelectronic Gmbh Flüssigkeitsgekühlte elektrische Maschine
CN208190393U (zh) * 2018-02-12 2018-12-04 比亚迪股份有限公司 电动总成和具有其的车辆

Also Published As

Publication number Publication date
DE102019203674A1 (de) 2020-09-24

Similar Documents

Publication Publication Date Title
DE69737869T2 (de) Getriebemotor, insbesondere zum Antrieb von Zubehörteilen in Kraftfahrzeugen
DE102013018720A1 (de) Kurbelwellen-Startergenerator und Gehäuse für einen Kurbelwellen-Startergenerator
WO2007068595A1 (fr) Fixation d'une poulie de renvoi
EP3240152B1 (fr) Système de manoeuvre
WO2020011707A1 (fr) Support de rotor pour machine électrique
DE102014218034A1 (de) Positionierung eines umspritzten Stators für einen Kupplungsaktor oder einen Getriebeaktor und Einbringen eines Rotorlagemagneten in einen solchen Aktor
DE102012011002A1 (de) Rotorwelle für ein elektrisches Aggregat und Verfahren zur Herstellung einer solchen Rotorwelle
WO2016000930A1 (fr) Compresseur électrique pour moteur à combustion interne
WO2021185490A1 (fr) Rotor d'un moteur électrique
WO2014102173A2 (fr) Groupe motopompe
EP3240153B1 (fr) Système de manoeuvre
DE3830386C2 (fr)
WO2016141937A1 (fr) Actionneur linéaire et procédé de montage d'un actionneur
WO2016026630A2 (fr) Dispositif d'entraînement pour un groupe motopropulseur de véhicule à moteur
WO2020187973A1 (fr) Mécanisme d'entraînement électrique doté d'une machine électrique et d'une électronique de puissance
WO2020094510A1 (fr) Machine électrique comprenant un dispositif de refroidissement à fluide
DE102010049999A1 (de) Elektrische Lenkunterstützungsvorrichtung zur Anordnung an einer Lenksäule eines Kraftfahrzeugs
WO2013007399A1 (fr) Dispositif de transmission comportant au moins un moteur électrique, destiné à un véhicule
DE102010003354A1 (de) Einbau-Lenkungsmotoranordnung und Lenkungsvorrichtung
DE102012204774A1 (de) Anordnung einer elektrischen Maschine
WO2017207210A1 (fr) Refroidissement d'une machine électrique
WO2021047831A1 (fr) Carter de système conçu pour un entraînement d'essieu électrique d'un véhicule automobile et entraînement d'essieu électrique conçu pour un véhicule automobile
DE102019131779A1 (de) Elektrischer Nockenwellenversteller mit verbesserter Nockenwellenanbindung sowie Verfahren zum Herstellen des Nockenwellenverstellers
WO2020094515A1 (fr) Machine électrique munie d'un dispositif de refroidissement par fluide
CH701508A2 (de) Gehäusewand für die Befestigung eines Gerätes an einer Maschine.

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20712541

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 20712541

Country of ref document: EP

Kind code of ref document: A1