WO2018087017A1 - Stator pour une machine électrique, en particulier d'un véhicule automobile, ainsi que machine électrique, en particulier pour un véhicule automobile - Google Patents

Stator pour une machine électrique, en particulier d'un véhicule automobile, ainsi que machine électrique, en particulier pour un véhicule automobile Download PDF

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Publication number
WO2018087017A1
WO2018087017A1 PCT/EP2017/078258 EP2017078258W WO2018087017A1 WO 2018087017 A1 WO2018087017 A1 WO 2018087017A1 EP 2017078258 W EP2017078258 W EP 2017078258W WO 2018087017 A1 WO2018087017 A1 WO 2018087017A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
cooling
laminated core
cooling fluid
channels
Prior art date
Application number
PCT/EP2017/078258
Other languages
German (de)
English (en)
Inventor
Aleksander JERIN
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2018087017A1 publication Critical patent/WO2018087017A1/fr

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Classifications

    • 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
    • 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
    • H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator

Definitions

  • Stator for an electrical machine in particular a motor vehicle, as well as an electric machine, in particular for a motor vehicle
  • the invention relates to a stator for an electrical machine, in particular a motor vehicle, according to the preamble of patent claim 1, as well as an electric machine, in particular for a motor vehicle, according to the preamble of
  • stator for an electrical machine in particular a motor vehicle, as well as such an electric machine, in particular for a motor vehicle, are already known, for example, from DE 10 2001 1 053 299 A1.
  • the stator has at least one laminated core, in which a plurality of cooling passages extending from a cooling fluid for cooling the stator and extending in the axial direction of the stator are formed.
  • EP 1 271 747 A1 discloses a medium frequency electric motor with a liquid-filled stator separated from a rotor by a split tube.
  • the split tube is liquid-tight stored in bearing flanges.
  • DE 10 2014 213 159 A1 discloses an arrangement for stator cooling for an electric motor, comprising a stator lamination stack comprising a plurality of axially aligned stator laminations and a plurality of winding slots running axially in the stator lamination stack for accommodating associated stator windings.
  • an electric machine is known from DE 10 201 1 003 597 A1, which has a stator with a laminated stator core and a stator winding arranged on the laminated stator core.
  • Object of the present invention is to develop a stator and an electric machine of the type mentioned in such a way that a particularly
  • a first aspect of the invention relates to a stator for an electrical machine, in particular a motor vehicle.
  • the stator has at least one laminated core, in which a plurality of cooling channels, which can flow through a cooling fluid, in particular a cooling fluid, for cooling the stator and which extend in the axial direction of the stator, are formed.
  • stator lamination stack In order to be able to realize a particularly advantageous and in particular efficient and effective cooling of the stator, it is inventively provided that the respective cooling channel is limited in its circumferential direction completely encircling by the laminated core. As a result, a particularly advantageous and effective and efficient heat transfer from what also referred to as stator lamination stack
  • the respective cooling channel in its circumferential direction is completely circulating directly through the
  • the laminated core can contact. As a result, the laminated core can be cooled particularly effectively.
  • a further advantage of the stator according to the invention is that the respective cooling channel extends within the laminated core and has a longitudinal extension which extends at least substantially in the axial direction of the stator and thus of the laminated core or substantially parallel to the axial direction of the stator and thus of the laminated core ,
  • the respective, fluid-flowed cooling channel is thus not outside the stator or the laminated core, but within the laminated core and thus disposed within a magnetically active part of the stator.
  • the invention is based in particular on the knowledge that, in the case of a conventionally provided water jacket cooling, the heat flow must traverse the entire stator yoke, since the heat is generated primarily in the winding. For the required cooling capacity, this is a comparatively high
  • stator according to the invention since a particularly efficient and effective cooling can be realized.
  • the respective cooling channel is designed, for example, as a cooling tube through which the cooling fluid can flow, wherein the respective cooling channel formed, for example, as a cooling tube has an at least substantially circular, ⁇ , the cooling fluid
  • Cooling slot is formed, which can be traversed by the cooling fluid cross section has a width substantially greater than the height. This allows a particularly effective and efficient heat transfer from the laminated core to the coolant channel flowing through the cooling fluid, so that in a short time a particularly high
  • Quantity of heat can be removed from the laminated core.
  • the cooling fluid is preferably a cooling fluid, in particular an oil, wherein the cooling fluid is also referred to as a cooling medium.
  • a particularly effective cooling can be represented. Due to the design of the respective cooling channel as a cooling slot is a so-called
  • Slit cooling of the stator can be realized, so that the stator can be cooled particularly effectively.
  • Another embodiment is characterized in that the width of the stator
  • Cooling slit at least 2.5 times larger, in particular at least 3 times larger than the height. As a result, a particularly high cooling capacity can be realized.
  • the respective cooling channel extends at least over more than half of the running in the axial direction of the stator length of the laminated core, in particular without interruption. As a result, the stator can be cooled particularly effectively.
  • the cooling channel has at least one length region, which extends through it in the axial direction of the laminated core. At least in this length range, the cooling channel in its circumferential direction is completely circulated through the laminated core, in particular directly limited. In this case, at least this length region extends without interruption at least over more than half of the length of the laminated core running in the axial direction of the stator. In particular, the length region extends over the entire length of the laminated core extending in the axial direction, so that the length region, for example, extends completely without interruption. In a particularly advantageous embodiment of the invention, it is thus provided that the respective cooling channel extends in the axial direction completely through the laminated core, so that the laminated core can be cooled effectively and efficiently over an entire axial length.
  • the laminated core has a plurality of successively in the circumferential direction of the laminated core teeth and a plurality of circumferentially of the laminated core, between the teeth arranged grooves for at least partially receiving at least one winding of the stator.
  • exactly one of the teeth is arranged in the circumferential direction of the laminated core between two circumferentially directly successive grooves, so that in the circumferential direction in pairs between each two of the grooves exactly one of the teeth of the laminated core is arranged.
  • At least one of the cooling channels is at least partially arranged in the respective tooth, so that at least one of the cooling channels runs at least partially in the respective tooth.
  • the cooling channel is thus formed as a tooth channel, wherein it tooth channel at least partially in the circumferential direction, insbesondre particular at least predominantly or completely, between two circumferentially immediately consecutive of the grooves is arranged.
  • Cooling channel runs completely in the respective tooth. This embodiment is based on the finding that, in particular in the region of the winding, which is held on the tooth or wound around the tooth, a particularly high amount
  • Heat energy can arise. Since now the cooling channel extends at least partially, in particular at least predominantly or woolly, through the tooth, heat energy can be transported particularly advantageous from the tooth and the laminated core in total.
  • each extending at least partially in the respective tooth cooling channels in the radial direction of the stator are arranged successively or one behind the other.
  • At least one of the cooling channels in a parallel to the axial direction of the stator extending first direction and at least one of the cooling channels in a direction parallel to the axial direction of the stator and the first direction opposite second direction of the cooling fluid can be flowed through.
  • the cooling fluid flows in the first direction through the at least one cooling channel and in the first opposite second direction through the at least one other cooling channel, so that the cooling fluid in opposite directions the cooling channels flows.
  • a second aspect of the invention relates to an electrical machine, in particular for a motor vehicle.
  • the electric machine comprises at least one stator, in particular at least one stator according to the invention, which at least one Laminated core.
  • a plurality of cooling passages through which a cooling fluid can flow for cooling the stator and extending in the axial direction of the stator are formed in the laminated core.
  • FIG. 1 shows a detail of a schematic and sectional front view of a stator according to a first embodiment of an electric machine, with at least one laminated core in which a plurality of cooling fluid for cooling the stator and can be flowed through in the axial direction of the stator extending cooling channels is formed wherein the respective cooling channel is limited in its circumferential direction completely circumferentially by the laminated core;
  • Fig. 2 is a schematic and perspective side view of the electrical
  • Fig. 3 is a schematic and sectional side view of the electrical
  • Fig. 4 is a schematic and sectional front view of the stator according to a fourth embodiment
  • Fig. 1 shows a detail in a schematic and sectional front view of a generally designated 1 stator according to a first embodiment of an electrical machine, in particular a motor vehicle.
  • the motor vehicle is designed, for example, as a hybrid or electric vehicle and, in its completely manufactured state, comprises the electric machine by means of which the motor vehicle can be driven.
  • the electric machine is operable, for example, in a motor operation and thus as an electric motor.
  • the electric machine designated by 2 in FIGS. 2 and 3 comprises the stator 1 and a rotor 3 which, for example, is arranged at least partially or completely in the stator 1.
  • the rotor 3 is rotatable about an axis of rotation relative to the stator 1.
  • the stator 1 has at least one laminated core 4, which comprises a yoke 5 and a plurality of circumferentially of the stator 1 and thus of the laminated core 4 successively or successively arranged teeth 6, which connected to the yoke 5 are.
  • the yoke 5 is also referred to as a stator yoke, wherein the teeth 6 are also referred to as stator teeth.
  • the teeth 6 are formed integrally with the yoke 5.
  • the laminated core 4 has a plurality of in the circumferential direction of the stator 1 and thus the laminated core 4 consecutive grooves 7, wherein in the circumferential direction of the laminated core 4 between each two in the circumferential direction of the laminated core 4th
  • a cooling fluid for cooling the laminated core 4 and thus of the stator 1 and extend in the axial direction of the stator 1 and thus of the laminated core 4 are formed in the laminated core 4.
  • Fig. 1 and Fig. 2 the axial direction of the stator 1 and thus of the laminated core 4 is illustrated by an arrow 9.
  • the respective cooling channel 8 in its circumferential direction completely circulating through the laminated core 4, in particular directly limited.
  • the direct limitation is to be understood that the cooling fluid flowing through the respective cooling channel 8 directly flows or flows around the laminated core 4, in particular respective wall regions of the laminated core 4 bounding the respective cooling channel 8, and thus directly touched. This allows a particularly advantageous heat transfer of the
  • V1 denotes a first variant of the respective cooling channel 8.
  • V2 designates a respective second variant of the respective cooling channel 8
  • V3 designating a respective third variant of the respective cooling channel 8.
  • the cooling fluid used is preferably a cooling fluid, in particular an oil, in order thereby to be able to remove a particularly large amount of heat from the laminated core 4 in a short time.
  • the respective cooling channel 8 is formed as a cooling tube, wherein the respective cooling channel 8 has an at least substantially circular, can be flowed through by the cooling fluid cross-section.
  • the respective cooling channel 8 is formed as a cooling slot whose cross-section through which the cooling fluid flows has a height H illustrated by the example of the second variant V2 and a width B likewise illustrated by the example of the second variant V2, wherein the width B is substantially greater than the height H is.
  • the width B is at least 2.5 times larger, in particular at least 3 times larger, and preferably at least 4 times larger than the height H.
  • Trained as a cooling slot cooling channel 8 is in the first variant V1 as
  • cooling slot in the second variant V2 is completely between the circumferentially immediately consecutive grooves
  • the width B extends at least in the
  • the extending in the radial direction width B is substantially greater than half of the extending in the radial direction extension of the tooth 6, in which the cooling slot is arranged.
  • the third variant V3 it is provided that in the respective tooth 6 more of the cooling channels 8, at least partially, in particular in each case at least predominantly or completely, run.
  • the plurality of cooling channels 8 extending in each case at least partially in the respective tooth 6 are arranged successively or one behind the other in the radial direction of the stator 1.
  • the respective width B of the respective cooling channel 8 extends at least substantially in the radial direction, wherein the respective width B of the respective cooling channel 8 per se is less than half of the extent of the tooth 6 extending in the radial direction, in FIG which the cooling channels 8 are arranged.
  • the sum of the widths B of the cooling channels 8 arranged or extending in the tooth 6 is greater than half of the length or extension, extending in the radial direction, of the tooth 6 in which the plurality of cooling channels 8 are arranged or run. As a result, a particularly advantageous heat dissipation can be realized.
  • the flow of the cooling fluid through the respective cooling channel 8 is at least substantially continuous.
  • at least one or moredeffenverteilringe is provided, for example, the at least one
  • thedeffenverteilring is arranged in the axial direction behind the laminated core 4 or the sheet package 4 anticipates.
  • the cooling fluid is divided or distributed, for example, on the cooling channels 8.
  • a first of the coolant distribution rings is used to supply the cooling fluid to the cooling channels 8.
  • the cooling fluid is distributed by means of the firstdestoffverteilrings on the cooling channels 8.
  • at least a second of the coolant distribution rings used to collect the cooling fluid flowing from the cooling channels 8 and to discharge accordingly from the cooling channels 8.
  • a flow direction of the cooling fluid is provided in opposite directions parallel to the axial direction of the stator 1, which
  • FIG. 2 shows the stator 1 according to a second embodiment.
  • the cooling fluid flows through those of the cooling passages 8, designated Z in FIG. 2, into a first direction parallel to the axial orientation of the stator 1. Further, the cooling fluid flows during the
  • a first side of the stator 1 is denoted by 12, wherein one of the first side opposite second side of the stator 1 is denoted by 13.
  • the cooling fluid which also as a cooling medium or
  • Coolant is referred to, flows in equal parts from the side 12 to the side 13 in the first direction and from the side 13 to the side 12 in the second direction, so that, for example, flowing in the first direction, the total mass flow of the cooling fluid flowing in the second direction Total mass flow of the fluid corresponds.
  • cooling fluid flows through a coolant circuit, which may be configured closed or semi-open.
  • a coolant circuit which may be configured closed or semi-open.
  • Coolant circuit is illustrated in FIG. 2.
  • a first collecting trough 14 is arranged on the side 12, and on the side 13 a second collecting trough 15 is arranged.
  • the collecting trough 14 for example, the cooling channels A flowing through and on the side 12 from the cooling channels A effluent cooling fluid is collected.
  • the collecting trough 15 for example, the cooling fluid Z and the side 13 flowing out of the cooling channels Z cooling fluid is collected.
  • Drip tray 15 to the and in particular in and through the cooling channels A and thus from the side 13 to the side 12 to promote.
  • the collected cooling fluid is, for example, in particular before the respective cooling fluid from the respective sump 14 or 15 is again conveyed through the respective cooling channels 8, fed to a heat exchanger, by means of which the cooling fluid is cooled.
  • the heat exchanger comprises, for example, a liquid-air heat exchanger and / or a liquid-liquid heat exchanger.
  • the liquid-air heat exchanger can be flowed through or flowed around by the cooling fluid formed as cooling fluid and by air, so that a heat transfer from the cooling fluid to the air can take place via the fluid-air heat exchanger. As a result, the cooling fluid is cooled.
  • the liquid-liquid heat exchanger is for example of the
  • Coolant formed cooling fluid and by another, for example, designed as water coolant flowed through.
  • the cooling fluid is cooled. Subsequently, the cooling fluid in the manner described, in particular by means of the conveyor, back into the
  • Cooling channels 8 are introduced or conveyed therethrough.
  • the cooling fluid flowing out of the respective cooling channels 8 is passed directly via a closed line system, in particular via a closed pipeline system, into a heat exchanger for cooling the cooling fluid and then reintroduced into the stator 1 or into the cooling channels 8, thereby to realize a closed cooling circuit.
  • FIG. 3 shows a third embodiment of the stator 1.
  • a cooling circuit through which the cooling fluid can flow and is preferably closed is designated by 16. Furthermore, for example, designed as a pump
  • the conveyor 17 is
  • conduit elements in particular via hoses and / or pipes, fluidly connected to the cooling channels 8, so that by means of the conveyor 17, the cooling fluid can be conveyed through the cooling channels 8.
  • arrows illustrate a respective flow direction into which the cooling fluid is conveyed by means of the delivery device 17.
  • outlet channels 18 are provided, which are preferably fixedly attached to the stator 1 and ensure that the cooling fluid does not pass into an air gap, for example, arranged in the radial direction between the rotor 3 and the stator 1.
  • FIG. 4 illustrates a fourth embodiment.
  • FIG. 4 illustrates the above-described flow of the cooling fluid through the respective cooling channels 8.
  • the cooling fluid flowing through the cooling channels Z flows in the first direction, which runs perpendicular to the image plane of FIG. 4 and into the image plane of FIG. 4.
  • points drawn into the cooling channels A illustrate the second direction into which the cooling fluid flowing through the cooling passages A flows. In this case, the second direction is perpendicular to the image plane of Fig. 4 and thereby out of the image plane of Fig. 4 out.
  • the cooling channels 8 are designed as cooling tubes and each have an at least substantially circular cross-section through which the cooling fluid can flow. Further, the respective cooling channels 8 are arranged in the respective yoke 5. At the fourth embodiment illustrated in FIG. 4, the cooling channels 8 are designed as cooling tubes and each have an at least substantially circular cross-section through which the cooling fluid can flow. Further, the respective cooling channels 8 are arranged in the respective yoke 5. At the fourth embodiment illustrated in FIG. 4, the cooling channels 8 are designed as cooling tubes and each have an at least substantially circular cross-section through which the cooling fluid can flow. Further, the respective cooling channels 8 are arranged in the respective yoke 5. At the fourth
  • the flow direction or flow direction of the cooling fluid is directed alternately from one of the cooling channels 8 to the respective next cooling channel 8.
  • the cooling fluid flows out of one of the cooling channels 8 and A, for example, and then into one of the cooling channels 8 and Z, respectively.
  • the cooling passage Z, into which the cooling fluid flows, in the circumferential direction of the stator 1 directly follows the cooling passage A, from which the cooling fluid has previously flowed out.
  • cooling channels A exactly one cooling channel Z is arranged.
  • a particularly effective cooling of the stator 1 can be realized, so that the space requirement of the stator 1 and thus the electric machine 2 can be kept very low overall.
  • the arrangement of the cooling channels 8 within the laminated core 4, for example, a water jacket surrounding the laminated core 4 can be avoided in a housing of the electric machine 2, so that the electric machine 2 can be designed with particularly small dimensions. This can be a particularly high
  • Power density can be realized in particular with regard to a continuous power operation.
  • a particularly efficient cooling system can be realized, so that a particularly high continuous power can be displayed.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un stator (1) pour une machine électrique (2), en particulier d'un véhicule automobile, doté d'au moins un empilage de tôles (4) dans lequel est formée une pluralité de canaux de refroidissement (8) pouvant être parcourus par un fluide de refroidissement pour refroidir le stator (1) et s'étendant dans une direction axiale (9) du stator (1), chaque canal de refroidissement (8) étant délimité dans sa direction circonférentielle sur tout son pourtour par l'empilage de tôles (4).
PCT/EP2017/078258 2016-11-14 2017-11-06 Stator pour une machine électrique, en particulier d'un véhicule automobile, ainsi que machine électrique, en particulier pour un véhicule automobile WO2018087017A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016222331.3A DE102016222331A1 (de) 2016-11-14 2016-11-14 Stator für eine elektrische Maschine, insbesondere eines Kraftfahrzeugs, sowie elektrische Maschine, insbesondere für ein Kraftfahrzeug
DE102016222331.3 2016-11-14

Publications (1)

Publication Number Publication Date
WO2018087017A1 true WO2018087017A1 (fr) 2018-05-17

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WO (1) WO2018087017A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017222635A1 (de) * 2017-12-13 2019-06-13 Volkswagen Aktiengesellschaft Stator und Elektromaschine mit Kühlsystem
WO2021078458A1 (fr) * 2019-10-21 2021-04-29 Zf Friedrichshafen Ag Stator pour une machine électrique
US20210351643A1 (en) * 2020-05-08 2021-11-11 Hamilton Sundstrand Corporation Thermal management for generator/ motor stators
US20220209594A1 (en) * 2020-12-30 2022-06-30 Volvo Car Corporation Stator cooling for electric machines
DE102022121843A1 (de) 2022-08-30 2024-02-29 Bayerische Motoren Werke Aktiengesellschaft Stator für eine elektrische Maschine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019109047A1 (de) 2019-04-05 2020-10-08 Bayerische Motoren Werke Aktiengesellschaft Blechpaket für eine elektrische Maschine, insbesondere eines Kraftfahrzeugs, elektrische Maschine für ein Fahrzeug sowie Fahrzeug
DE102020204233A1 (de) 2020-04-01 2021-10-07 Volkswagen Aktiengesellschaft Stator, Elektromaschine, Kraftfahrzeug und Verfahren zur Herstellung eines Stators
DE102021130471B4 (de) 2021-11-22 2023-07-20 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Elektrische Maschine und Verfahren zum Betreiben derselben
CN114744788B (zh) * 2022-03-28 2022-12-27 小米汽车科技有限公司 油冷电机
DE102022209904A1 (de) * 2022-09-20 2024-03-21 Magna powertrain gmbh & co kg Elektrische Maschine mit optimiertem Kühlsystem

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EP1271747A1 (fr) 2001-06-27 2003-01-02 E + A Elektromaschinen und Antriebe AG Refroidissement du stator d'un moteur à manchon d'entrefer
CN201438649U (zh) * 2009-06-15 2010-04-14 水利部杭州机械设计研究所 一种同步发电机定子铁芯
US20120161556A1 (en) * 2010-12-28 2012-06-28 Toyota Jidosha Kabushiki Kaisha Superconducting electric motor
DE102011003597A1 (de) 2011-02-03 2012-08-09 Siemens Aktiengesellschaft Elektrische Maschine mit effizienter Statorkühlung
DE102011053299A1 (de) 2011-09-06 2013-03-07 Antriebstechnik Katt Hessen Gmbh Kühlsystem für eine hochausgenutzte hochtourige rotierende elektrische Synchronmaschine
EP2806537A2 (fr) * 2013-05-22 2014-11-26 Acciona Windpower S.a. Stator de générateur électrique rotatif, générateur électrique rotatif comprenant ledit stator et éolienne comprenant un générateur électrique rotatif
DE102014213159A1 (de) 2014-07-07 2016-01-07 Deere & Company Anordnung zur Statorkühlung eines elektrischen Motors
EP3035494A1 (fr) * 2013-08-13 2016-06-22 Gree Electric Appliances, Inc. of Zhuhai Moteur à aimant permanent, compresseur de réfrigération et unité de climatisation
EP3079239A1 (fr) * 2015-04-09 2016-10-12 GE Energy Power Conversion Technology Ltd Stators pour machines électriques

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DE6606523U (de) * 1968-06-26 1970-10-09 Siemens Ag Anordnung zur fluessigkeitskuehlung der staenderblechpakete elektrischer maschinen, insb. fuer turbogeneratoren
DE3444189A1 (de) * 1984-03-21 1985-09-26 Kraftwerk Union AG, 4330 Mülheim Einrichtung zur indirekten gaskuehlung der staenderwicklung und/oder zur direkten gaskuehlung des staenderblechpaketes dynamoelektrischer maschinen, vorzugsweise fuer gasgekuehlte turbogeneratoren

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Publication number Priority date Publication date Assignee Title
EP1271747A1 (fr) 2001-06-27 2003-01-02 E + A Elektromaschinen und Antriebe AG Refroidissement du stator d'un moteur à manchon d'entrefer
CN201438649U (zh) * 2009-06-15 2010-04-14 水利部杭州机械设计研究所 一种同步发电机定子铁芯
US20120161556A1 (en) * 2010-12-28 2012-06-28 Toyota Jidosha Kabushiki Kaisha Superconducting electric motor
DE102011003597A1 (de) 2011-02-03 2012-08-09 Siemens Aktiengesellschaft Elektrische Maschine mit effizienter Statorkühlung
DE102011053299A1 (de) 2011-09-06 2013-03-07 Antriebstechnik Katt Hessen Gmbh Kühlsystem für eine hochausgenutzte hochtourige rotierende elektrische Synchronmaschine
EP2806537A2 (fr) * 2013-05-22 2014-11-26 Acciona Windpower S.a. Stator de générateur électrique rotatif, générateur électrique rotatif comprenant ledit stator et éolienne comprenant un générateur électrique rotatif
EP3035494A1 (fr) * 2013-08-13 2016-06-22 Gree Electric Appliances, Inc. of Zhuhai Moteur à aimant permanent, compresseur de réfrigération et unité de climatisation
DE102014213159A1 (de) 2014-07-07 2016-01-07 Deere & Company Anordnung zur Statorkühlung eines elektrischen Motors
EP3079239A1 (fr) * 2015-04-09 2016-10-12 GE Energy Power Conversion Technology Ltd Stators pour machines électriques

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017222635A1 (de) * 2017-12-13 2019-06-13 Volkswagen Aktiengesellschaft Stator und Elektromaschine mit Kühlsystem
WO2021078458A1 (fr) * 2019-10-21 2021-04-29 Zf Friedrichshafen Ag Stator pour une machine électrique
CN114424431A (zh) * 2019-10-21 2022-04-29 Zf 腓德烈斯哈芬股份公司 用于电机的定子
US20220393526A1 (en) * 2019-10-21 2022-12-08 Zf Friedrichshafen Ag Stator for an Electrical Machine
US20210351643A1 (en) * 2020-05-08 2021-11-11 Hamilton Sundstrand Corporation Thermal management for generator/ motor stators
US11909262B2 (en) * 2020-05-08 2024-02-20 Hamilton Sundstrand Corporation Thermal management for generator/ motor stators
US20220209594A1 (en) * 2020-12-30 2022-06-30 Volvo Car Corporation Stator cooling for electric machines
DE102022121843A1 (de) 2022-08-30 2024-02-29 Bayerische Motoren Werke Aktiengesellschaft Stator für eine elektrische Maschine

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