WO2023066648A1 - Stator für eine elektrische maschine eines kraftfahrzeugs sowie elektrische maschine - Google Patents
Stator für eine elektrische maschine eines kraftfahrzeugs sowie elektrische maschine Download PDFInfo
- Publication number
- WO2023066648A1 WO2023066648A1 PCT/EP2022/077512 EP2022077512W WO2023066648A1 WO 2023066648 A1 WO2023066648 A1 WO 2023066648A1 EP 2022077512 W EP2022077512 W EP 2022077512W WO 2023066648 A1 WO2023066648 A1 WO 2023066648A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- cooling
- cooling fluid
- laminated core
- ring
- Prior art date
Links
- 239000012809 cooling fluid Substances 0.000 claims abstract description 97
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 238000004804 winding Methods 0.000 claims abstract description 62
- 239000002826 coolant Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
-
- 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
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
Definitions
- the invention relates to a stator for an electric machine of a motor vehicle according to the preamble of patent claim 1.
- the invention also relates to an electric machine for a motor vehicle.
- DE 102016 118 815 A1 discloses a known cooling arrangement for an electrical machine which has a stator which coaxially surrounds a rotor.
- the cooling arrangement has an injection-molded part which is injection-molded onto the stator and in which a cooling channel for transporting a coolant is formed.
- JP 6184531 B2 An electrical machine is known from JP 6184531 B2. Furthermore, US 2016/0167499 A1 discloses a drive train for a vehicle. In addition, DE 102016 000 985 A1 discloses a method for producing an electrical machine.
- the object of the present invention is to create a stator for an electric machine of a motor vehicle and an electric machine for a motor vehicle, so that a particularly advantageous cooling of the stator can be implemented.
- a first aspect of the invention relates to a stator for an electric machine of a motor vehicle.
- the motor vehicle which is preferably designed as a motor vehicle, in particular as a passenger car, has the electric machine in its fully manufactured state and can be driven electrically, in particular purely electrically, by means of the electric machine.
- the electrical machine is preferably designed as a high-voltage component whose electrical voltage, in particular electrical operating or nominal voltage, is preferably greater than 50 volts, in particular greater than 60 volts, and is very preferably several hundred volts.
- the electric machine In its fully manufactured state, the electric machine has the stator and preferably a rotor, which can be driven by means of the stator and thereby being rotatable about a machine axis of rotation relative to the stator. It is particularly conceivable that the rotor is arranged coaxially to the stator.
- stator is fixed in a housing of the electrical machine and is therefore immovable relative to the housing, with the housing being formed separately from the stator.
- the stator has a laminated core which is formed, for example, from a plurality of individual laminates which are formed separately from one another and are connected to one another.
- the individual sheets are also referred to as sheet metal segments, which are arranged one on top of the other in the axial direction of the stator, for example.
- the axial direction of the stator coincides with the machine axis of rotation and thus with the axial direction of the rotor.
- the radial direction of the stator coincides with the radial direction of the rotor and is perpendicular to the axial direction and thus perpendicular to the axis of rotation of the machine.
- At least one cooling channel through which a cooling fluid can flow for cooling the stator runs in the laminated core.
- the cooling fluid is preferably a liquid, in particular an electrically non-conductive liquid such as an oil.
- the cooling fluid may be associated with the stator.
- the feature that the stator can be cooled by means of the cooling fluid means in particular that the cooling fluid is a fluid which can be used as the cooling fluid for cooling the stator, especially when the cooling fluid has a lower temperature than at least one Having part of the stator. Heat can then be transferred from the part of the stator to the cooling fluid flowing through the stator. It is conceivable that the fluid, and therefore the cooling fluid, can be used to heat at least the part of the stator mentioned, in particular when the cooling fluid has a higher temperature than the part. Then heat can be transferred from the cooling fluid to the part.
- the cooling fluid can thus be used as a tempering fluid for tempering, ie for cooling and heating, the stator.
- the stator also has at least one winding which is formed separately from the laminated core and is held on the laminated core. As a result, the winding is carried by the laminated core.
- the winding has at least one end winding.
- the end winding is a partial area of the winding, the partial area, ie the winding, protruding from the laminated core in the axial direction or protruding beyond the laminated core in the axial direction of the stator.
- the winding has windings or is formed by windings, with the winding overhang being formed by the windings in such a way that the windings have their respective reversal or turning points in the winding overhang, which is also referred to as the winding overhang.
- the winding first longitudinal regions which can extend in particular in an elongate or linear manner in a first direction of extension and in particular parallel to one another.
- a respective, second length range of the winding is assigned to the respective, first length range.
- the respective first length range and the respective second length range assigned to the respective first length range is assigned a transition range, which, for example, viewed from the first length range to the assigned, second length range, directly adjoins the first length range and directly precedes the second length range .
- the end winding is formed by the transition areas.
- the respective second length area assigned to the respective first length area extends in particular linearly or thread-like in a second direction of extension, which in particular runs obliquely or parallel to the first direction of extension and can be opposite to the first direction of extent, for example.
- the transition area is thus loop-shaped, so to speak, or forms a loop.
- At least one is at least partially, in particular at least predominantly and thus at least more than half or completely, adjoining the laminated core in the axial direction of the stator and separately provided by the laminated core ring, which preferably extends completely, ie completely closed, in the circumferential direction of the stator running around the axial direction of the stator and thus around the axis of rotation of the machine.
- the ring directly touches an axial end face of the laminated core.
- the ring has at least one guide channel which is fluidically connected to the cooling channel and can therefore be flown through by the cooling fluid from the cooling channel.
- the cooling fluid can thus be supplied from the cooling channel to the guide channel.
- the guide channel it is conceivable for the guide channel to be an annular channel, ie ring-shaped, with the guide channel preferably running around the stator in a completely closed ring-shaped manner in the circumferential direction.
- the guide channel has at least one outlet opening directed towards the end winding, via which the cooling fluid flowing through the guide channel can be discharged from the ring and thereby sprayed against the end winding.
- the guide channel opens out via the outlet opening to an area surrounding the stator per se, that is to say viewed on its own.
- the cooling fluid flowing through the outlet opening flows out of the guide channel against the winding overhang, that is to say is sprayed against the winding overhang or onto the winding overhang.
- the cooling fluid flowing through the outlet opening flows along a flow direction through the outlet opening and thus out of the guide channel, the flow direction of the cooling fluid flowing through the outlet opening intersecting the end winding.
- the flow direction of the cooling fluid flowing through the outlet opening coincides with a passage direction of the outlet opening, with the cooling fluid flowing through the outlet opening along the passage direction and thus being able to flow out of the guide channel via the outlet opening.
- the invention makes it possible to advantageously cool the laminated core itself by means of the cooling fluid flowing through the cooling channel. It has proven to be particularly advantageous if the cooling channel is at least partially delimited directly by the laminated core. This means that the cooling fluid flowing through the cooling channel touches the laminated core directly, as a result of which a particularly advantageous heat exchange can be realized between the cooling fluid flowing through the cooling channel and the laminated core. In addition, the winding overhang can be cooled particularly well by means of the invention.
- the cooling duct extends in a meandering manner through the laminated core and through the ring, as a result of which the cooling duct has a meandering shape which is arranged partially in the laminated core and partially in the ring. Due to the meander shape, at least one targeted flow deflection of the cooling fluid flowing through the cooling channel and thus the meander shape can be realized, as a result of which the stator and in particular the laminated core can be cooled particularly well.
- the cooling duct extends in a meandering manner through the laminated core and through the ring such that a first length region of at least one meander loop of the meander shape turns into a first flow direction running parallel to the axial direction of the stator and a second length region of the meander loop adjoining the first length region in a second flow direction running parallel to the axial direction of the stator and opposite to the first flow direction, through which cooling fluid can flow.
- the cooling fluid flows through the meandering shape on its way through the cooling channel and thus through the meandering shape in such a way that the cooling fluid first passes through the first longitudinal region of the Meander loop flows through and thereby flows in the first direction of flow.
- the cooling fluid then flows through the second longitudinal region of the meander loop and in the second direction of flow.
- the cooling fluid is thus deflected, in particular precisely, once, for example by 180 degrees.
- the meander loop having the longitudinal regions has a meander head which is arranged in the ring and fluidly connects the longitudinal regions of the meander loop to one another, which so to speak, a head of the meander loop is like the winding head is a head of the winding.
- the cooling fluid flows through the meander loop, the cooling fluid first flows through the first longitudinal section of the meander loop, then through the meander head and then through the second longitudinal section of the meander loop, so that the cooling fluid coming from or from the first longitudinal section of the meander loop is deflected by means of the meander head and is guided towards the second longitudinal area of the meander loop and is directed into the second longitudinal area of the meander loop.
- the meander head is directly connected to the first length area of the meander loop and directly precedes the second length area of the meander loop, so that between the meander head and the first length area of the meander loop and between the meander head and the second length area of the meander loop no other further length range of the meander loop runs.
- the meander head which deflects the cooling fluid coming from the first length of the meander loop to the second length of the meander loop, is arranged in the ring, the cooling fluid is deflected from the first length of the meander loop to the second length of the meander loop in the ring.
- a particularly good flow deflection of the cooling fluid can be implemented, so that particularly effective and efficient cooling can be achieved.
- the cooling fluid can be deflected from the first flow direction into the second flow direction by means of the meander head.
- a further embodiment is characterized in that the ring has at least one supply channel through which the cooling fluid can flow, via which the cooling channel can be supplied with the cooling fluid.
- the cooling channel and the guide channel through-flowing cooling fluid is thus arranged the supply channel upstream of the cooling channel, which is arranged upstream of the guide channel.
- the supply duct is a central supply duct, via which a plurality of cooling ducts running in the laminated core can be supplied with the cooling fluid in a simple and effective manner. As a result, particularly good cooling can be achieved.
- the ring is formed from a plastic material, ie as a plastic ring.
- the guide channel has several further outlet openings directed towards the winding overhang, via which the cooling fluid flowing through the guide channel can be discharged from the ring and sprayed against the winding overhang.
- the previous and following statements regarding the first outlet opening can also be applied to the other outlet openings and vice versa.
- the outlet openings are mentioned below, unless otherwise stated, this means both the first outlet opening and the further outlet openings.
- outlet openings are spaced apart from one another in the circumferential direction of the stator running around the axial direction of the stator and thus of the laminated core.
- the end winding can be sprayed with the cooling fluid at a number of points, in particular simultaneously, as a result of which particularly good cooling can be achieved.
- the outlet openings are distributed uniformly in the circumferential direction of the laminated core. This means, in particular, that the outlet openings are spaced equally apart from one another in pairs in the circumferential direction of the laminated core and thus of the stator.
- At least one longitudinal region of the cooling channel is completely surrounded by the laminated core in the circumferential direction of the cooling channel, in particular is directly delimited by the laminated core. This allows a particularly advantageous heat exchange between the cooling fluid and be guaranteed with the laminated core, so that particularly good cooling can be achieved.
- a second aspect of the invention relates to an electric machine for a motor vehicle, with at least one stator according to the invention.
- Advantages and advantageous configurations of the first aspect of the invention are to be regarded as advantages and advantageous configurations of the second aspect of the invention and vice versa.
- FIG. 1 shows a schematic and developed view of a stator for an electric machine of a motor vehicle
- FIG. 2 shows a detail of a schematic and sectional front view of the stator
- FIG. 3 shows a detail of a schematic longitudinal sectional view of the stator
- FIG. 4 shows a detail of a further schematic longitudinal sectional view of the stator.
- stator 1 shows a stator 1 for an electric machine of a motor vehicle in a schematic developed view.
- the motor vehicle which is preferably designed as a motor vehicle, in particular as a passenger car, has the electric machine, by means of which the motor vehicle can be driven, in particular purely electrically.
- the electrical machine has the stator 1 and a rotor 2, which can be seen in sections in FIGS .
- the stator 1 is shown in Fig. 1 developed. 1, the stator 1 or FIG. 1 is wound around the machine axis of rotation 3, in particular in the manner of a right circular cylinder.
- the stator 1 whose axial direction coincides with the machine axis of rotation 3, has a laminated core 4, which is made up of individual laminations, for example.
- the individual sheets are also referred to as stator laminations.
- cooling channels 5 run in the laminated core 4 and, as illustrated by arrows 6, a cooling fluid can flow through them.
- the arrows 6 thus illustrate the cooling fluid flowing through the cooling channels 5, and therefore a respective flow of the cooling fluid through the respective cooling channel 5.
- the cooling fluid is preferably a liquid cooling fluid, therefore a cooling liquid.
- the cooling fluid is an electrically non-conductive cooling fluid.
- the cooling fluid is an oil.
- the cooling fluid is preferably an electrically non-conductive cooling fluid
- the cooling fluid is preferably a non-conductor whose electrical conductivity is less than 10' 8 S ⁇ cm -1 .
- the laminated core 4 and thus the stator 1 can be cooled by means of the cooling fluid, in particular by heat transfer from the laminated core 4 to the cooling fluid.
- the stator 1 has at least one winding 7 whose end winding is denoted by 8 .
- the winding 7 is formed by at least one conductor formed from a metallic material, for example, through which an electric current can flow.
- the winding 7 is formed separately from the laminated core 4 and held on the laminated core 4 and thus carried by the laminated core 4 .
- a respective ring 9 or 10 (Fig. 1) is attached to the laminated core 4 in the axial direction of the stator 1 and thus the laminated core 4 on both sides, so that the laminated core 4 in the axial direction Direction of the stator 1 between the rings 9 and 10 is arranged.
- the rings 9 and 10 are formed separately from the laminated core 4 and preferably also separately from one another.
- the ring 9 is arranged on a first axial end face 11 of the laminated core 4
- the ring 10 is arranged on a second axial end face 17 of the laminated core 4 .
- the axial end face 17 faces away from the axial end face 11 in the axial direction of the stator 1 and thus of the laminated core 4 and vice versa.
- the ring 9 rests directly on the end face 11 .
- the ring 10 rests directly on the end face 17 .
- the ring 9 adjoins the laminated core 4 at least partially, in particular completely, in the axial direction of the laminated core 4 and thus of the stator 1 .
- the ring 10 adjoins the laminated core 4 at least partially, in particular completely, in the axial direction of the stator 1 and thus of the laminated core 4 .
- the respective ring 9 or 10 has a guide channel 12 through which the cooling fluid can flow.
- the guide channels 12 of the rings 9 and 10 are fluidically connected to the cooling channels 5 .
- the guide channels 12 are arranged downstream of the cooling channels 5 in the flow direction of the cooling fluid flowing through the cooling channels 5 and the guide channels 12 .
- the cooling fluid thus flows on its way through the cooling channels 5 and the guide channels 12, as illustrated by arrows 13 in FIG.
- the cooling fluid then flows through the guide channels 12 .
- the respective guide channel 12 is a ring channel, and therefore ring-shaped.
- the respective ring 9 or 10 extends completely closed around the circumferential direction of the stator 1 running around the axial direction of the stator 1 . Provision is also made here for the respective guide channel 12 to run around in a completely closed manner in the circumferential direction of the stator 1 .
- the respective guide channel 12 has a plurality of outlet openings 15 (Fig. 4) formed in the respective ring 9 or 10, via which the respective guide channel 12 is connected to an area 16 surrounding the respective ring 9 or 10 in itself opens.
- the fluid flowing through the respective guide channel 12 can flow through the respective outlet opening 15 , so that the cooling fluid can flow out of the respective guide channel 12 via the respective outlet opening 15 and thus flow to the environment 16 .
- the respective outlet opening 15 is directed towards the winding head 8, so that the cooling fluid flowing through the guide channel 12 and the respective outlet opening 15 and thereby flowing to the surroundings 16 and thus flowing out of the guide channel 12 against the winding head 8 is injected.
- the end winding 8 of the winding 7 shown in FIGS. 3 and 4 is arranged on or at the end face 11 .
- the end winding 8 can be supplied with the cooling fluid from the guide channel 12 of the ring 9 via the outlet openings 15 of the ring 9 .
- the winding 7 On or on the end face 17 of the laminated core 4 facing away from the end face 11, the winding 7 has, for example, a second end winding, which cannot be seen in the figures, towards which the outlet openings 15 of the guide channel 12 of the ring 10 are directed.
- the second end winding can be supplied with the cooling fluid via the outlet openings 15 of the guide channel 12 of the ring 10 .
- the respective cooling channel 5 extends in a meandering manner through the laminated core 4 and the respective ring 9 or 10 , so that the respective cooling channel 5 has a meandering shape 20 .
- the respective cooling duct 5 extends in a meandering manner through the laminated core 4 and through the respective 9 or 10 that a respective first length region L1 of a meander loop 21 of the respective meander shape 20 of the respective cooling duct 5 extends in a direction parallel to the axial direction of the stator 1, 1 by arrows 22, through which the cooling fluid can flow.
- a respective second length region L2 of the respective meander loop 21 of the respective meander shape 20 of the respective cooling channel 5, which adjoins the respective first length region L1, is divided into a direction that runs parallel to the axial direction of the stator 1, opposite the first flow direction and is indicated by arrows in Fig. 1 23 illustrated second flow direction through which the cooling fluid can flow.
- the meander loop 21 thus has the length ranges L1 and L2.
- the respective meander loop 21 has a respective meander head 24, which is also referred to as a deflection space or deflection area.
- the cooling fluid On its way through the meander shape 20, the cooling fluid first flows through the longitudinal area L1 and then out of the longitudinal area L1 and into the deflection space (meander head 24).
- the deflection space By means of the deflection space (meander head 24), the cooling fluid is deflected from the longitudinal area L1, for example by at least essentially 180 degrees, and conducted to the longitudinal area L2 and introduced into the longitudinal area L2.
- the longitudinal regions L1 and L2 of the meander shape 20 are fluidically connected to one another via the meander head 24, with the meander head 24 directly adjoining the longitudinal region L1 and directly preceding the longitudinal region L2.
- An advantageous flow deflection of the cooling fluid flowing through the respective cooling channel 5 is realized by the meandering shape 20, so that a particularly effective and efficient cooling can be achieved.
- the meander head denoted by 24 in FIG. the rings 9 and 10 are formed from a plastic and are therefore designed as plastic rings.
- the meandering shape 20 causes targeted flow deflections of the cooling fluid flowing through the cooling channel 5, whereby a particularly advantageous heat exchange between the cooling fluid and the stator 1, in particular an advantageous heat transfer from the stator 1 to or to the cooling fluid, can be represented.
- the, in particular all, outlet openings are 15 of the respective ring 9 or 10 in the circumferential direction of the stator 1 spaced from each other and arranged evenly distributed.
- the supply channel 25 and/or the respective cooling channel 5 and/or the guide channel 12 are designed as a bore.
- the cooling channels 5 can be supplied with the cooling fluid via the supply channel 25, in particular via at least one respective bore, in particular an oil bore. This is illustrated by arrows 29 in FIG.
- the supply channel 25 is therefore arranged upstream of the cooling channels 5 , which are arranged upstream of the guide channels 12 .
- the supply channel is a supply channel that is common to the cooling channels 5 and via which the or all of the cooling channels 5 can be supplied with the cooling fluid.
- the electrical machine can have a housing 26 .
- the stator 1 is formed separately from the case 26 and fixed to the case 26 .
- the supply channel 25 runs in the housing 26.
- an arrow 27 shows a coolant or a flow of a coolant, wherein the coolant can be, for example, another coolant fluid that is different from the coolant fluid, or the same coolant fluid.
- the rotor 2 is cooled by the coolant.
- the coolant is used to cool the rotor 2, the cooling of which is also referred to as rotor cooling.
- the end winding 8 can also be supplied with the coolant, in order thereby to advantageously cool the end winding 8 .
- the cooling fluid is fed from the preferably central supply channel 25 into the respective cooling channel 5, for example via at least one or more overflow channels, for example distributed over the circumference, i.e. distributed in the circumferential direction of the stator 1, in particular through the ring 9, the overflow channels being, for example, bores , In particular oil wells are formed.
- the cooling fluid is introduced from the supply channel 25, in particular via the respective overflow channel, into an inlet space 28 of the cooling channel 5.
- the cooling fluid can flow into the meander shape 20 from the entry space 28 and subsequently flow through the meander shape 20 .
- the length regions L1 and L2 of the respective meander loops 21 of the meander shape 20 extend over the entire length of the laminated core 4 running in the axial direction of the stator 1, so that, for example, when only looking at the Laminated core 4, that is, when considering the laminated core 4 without the rings 9 and 10, the length regions L1 and L2 of the respective meander loop 21 open on both axial end faces 11 and 17 of the laminated core 4 to its surroundings.
- the cooling fluid thus flows through the laminated core 4 over the entire length of the laminated core 4 running in the axial direction. In other words, the cooling fluid flows over the entire, in length of the laminated core 4 running in the axial direction of the stator 1.
- the respective length region L1 or L2 runs in a straight line and parallel to the axial direction of the stator 1.
- the outlet openings 15 are spray nozzles, in particular oil spray nozzles, by means of which the cooling fluid is sprayed against the end winding 8 .
- the outlet opening 15 is designed as a nozzle whose flow cross section through which the cooling fluid can flow can taper, for example in the direction of the end winding 8 , ie towards the end winding 8 .
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280053670.2A CN117795822A (zh) | 2021-10-19 | 2022-10-04 | 用于机动车的电机的定子以及电机 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021127034.0A DE102021127034A1 (de) | 2021-10-19 | 2021-10-19 | Stator für eine elektrische Maschine eines Kraftfahrzeugs sowie elektrische Maschine |
DE102021127034.0 | 2021-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023066648A1 true WO2023066648A1 (de) | 2023-04-27 |
Family
ID=84052999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2022/077512 WO2023066648A1 (de) | 2021-10-19 | 2022-10-04 | Stator für eine elektrische maschine eines kraftfahrzeugs sowie elektrische maschine |
Country Status (3)
Country | Link |
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CN (1) | CN117795822A (de) |
DE (1) | DE102021127034A1 (de) |
WO (1) | WO2023066648A1 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160167499A1 (en) | 2014-03-13 | 2016-06-16 | GM Global Technology Operations LLC | Powertrain for a vehicle and a method of assembling the powertrain |
DE102016000985A1 (de) | 2016-01-29 | 2016-09-29 | Daimler Ag | Verfahren zum Herstellen einer elektrischen Maschine und elektrische Maschine |
JP6184531B2 (ja) | 2014-02-14 | 2017-08-23 | 三菱電機株式会社 | 制御装置付き回転電機および電動パワーステアリング装置 |
DE102016118815A1 (de) | 2016-10-05 | 2018-04-05 | Minebea Co., Ltd. | Kühlanordnung für eine elektrische Maschine |
EP3499685A2 (de) * | 2017-12-13 | 2019-06-19 | FERRARI S.p.A. | Stator einer elektrischen maschine mit fluidkühlung |
DE102019215402A1 (de) * | 2019-10-08 | 2021-04-08 | Magna Pt B.V. & Co. Kg | Elektrische Maschine mit integriertem Kühlsystem |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR717252A (fr) | 1933-12-28 | 1932-01-06 | Perfectionnements apportés aux machines électriques à masse feuilletée | |
DE102013211408B4 (de) | 2013-06-18 | 2022-10-27 | Schaeffler Technologies AG & Co. KG | Kühleinrichtung zur Kühlung einer elektrischen Maschine und entsprechende elektrische Maschine mit Kühleinrichtung |
-
2021
- 2021-10-19 DE DE102021127034.0A patent/DE102021127034A1/de active Pending
-
2022
- 2022-10-04 WO PCT/EP2022/077512 patent/WO2023066648A1/de active Application Filing
- 2022-10-04 CN CN202280053670.2A patent/CN117795822A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6184531B2 (ja) | 2014-02-14 | 2017-08-23 | 三菱電機株式会社 | 制御装置付き回転電機および電動パワーステアリング装置 |
US20160167499A1 (en) | 2014-03-13 | 2016-06-16 | GM Global Technology Operations LLC | Powertrain for a vehicle and a method of assembling the powertrain |
DE102016000985A1 (de) | 2016-01-29 | 2016-09-29 | Daimler Ag | Verfahren zum Herstellen einer elektrischen Maschine und elektrische Maschine |
DE102016118815A1 (de) | 2016-10-05 | 2018-04-05 | Minebea Co., Ltd. | Kühlanordnung für eine elektrische Maschine |
EP3499685A2 (de) * | 2017-12-13 | 2019-06-19 | FERRARI S.p.A. | Stator einer elektrischen maschine mit fluidkühlung |
DE102019215402A1 (de) * | 2019-10-08 | 2021-04-08 | Magna Pt B.V. & Co. Kg | Elektrische Maschine mit integriertem Kühlsystem |
Also Published As
Publication number | Publication date |
---|---|
CN117795822A (zh) | 2024-03-29 |
DE102021127034A1 (de) | 2023-04-20 |
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