EP4073910A1 - Statorgehäuse für eine elektrische maschine, elektrische maschine für ein fahrzeug und fahrzeug - Google Patents
Statorgehäuse für eine elektrische maschine, elektrische maschine für ein fahrzeug und fahrzeugInfo
- Publication number
- EP4073910A1 EP4073910A1 EP20820359.6A EP20820359A EP4073910A1 EP 4073910 A1 EP4073910 A1 EP 4073910A1 EP 20820359 A EP20820359 A EP 20820359A EP 4073910 A1 EP4073910 A1 EP 4073910A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat transfer
- section
- stator housing
- cooling
- transfer arrangement
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- 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
-
- 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
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
Definitions
- Stator housing for an electric machine, electric machine for a driving tool and vehicle
- the present invention relates to a stator housing for an electrical machine, comprising an inlet for a cooling fluid, an outlet for the cooling fluid, a cooling channel which is formed between the inlet and the outlet and through which the cooling fluid can flow in a flow direction directed from the inlet to the outlet.
- the invention also relates to an electrical machine for a vehicle.
- Such a stator housing is known from the document EP 3 358 721 A1, wel Ches a housing for an electrical machine with a fluid channel for receiving a fluid for cooling the electrical machine with a fluid connection comprising an inlet and an outlet and with a housing wall .
- the housing wall has an axial extension between two end sides along a first spatial direction and a radial extension with an extension radius along two further spatial directions.
- the fluid channel is part of a cooling jacket that extends over the entire housing wall.
- the invention is based on the object of homogenizing the temperature distribution along a cooling channel of a stator housing.
- the cooling channel has a first heat transfer arrangement and a second heat transfer arrangement, which each extend along the direction of flow and are designed to transfer heat from the cooling fluid to the stator housing, the first The heat transfer arrangement is arranged in a first section of the cooling duct and the second heat transfer arrangement is arranged in a second section of the cooling duct on the inlet side with respect to the first section, the first heat transfer arrangement in the first section realizing a larger heat transfer area for the cooling fluid for each length unit related to the flow direction than the second heat transfer arrangement in the second section.
- the invention is based on the idea of making the length-related heat transfer area larger on the outlet side than on the inlet side. If the already heated cooling fluid flows into the first section on the outlet side, the heat output to the cooling fluid is increased by the first heat transfer arrangement, whereby a poorer heat transfer due to the lower temperature difference between the stator components to be cooled and the cooling fluid can be compensated. This advantageously makes it possible to homogenize the temperature distribution along the stator housing.
- the first section and / or the second section each take up at least 10%, preferably at least 20%, particularly preferably at least 30%, of the length of the cooling channel.
- the sections of the cooling channel can directly adjoin one another or a transition section can be provided between the sections which is not assigned to any of the sections. From the sections are expediently free of overlap.
- the cooling channel has typically has an inner interface that extends circumferentially and axially at a radial position.
- the cooling channel has an outer boundary surface which extends in the circumferential direction and in the axial direction at a radial position which expediently lies further outside than that of the inner boundary surface.
- the cooling channel typically has side walls which extend in the radial direction and at least one further spatial direction. The side walls are preferably designed to be fluid-tight.
- the heat transfer arrangements each divide the cooling channel into a plurality of partial cooling channels extending along the flow direction.
- the partial cooling channels are designed to be fluid-tight with respect to one another.
- the flow cross-sections of the partial cooling channels formed by a respective heat transfer arrangement are preferably of the same size.
- the second heat transfer arrangement divides the cooling channel into at least two second partial cooling channels and the first heat transfer arrangement divides the cooling channel into a number of first partial cooling channels that is at least one greater than the number of second partial cooling channels.
- the cooling channel has a smaller heat transfer surface for the cooling fluid in a further section on the inlet side with respect to the second section than in the second section, depending on the flow direction.
- the further section is limited only by the inner interface, the outer interface and the side walls.
- the further section directly adjoins the inlet and / or the second section.
- the first heat transfer arrangement is formed by at least two heat transfer elements and the second Heat transfer arrangement is formed by a, preferably by one, lower number of heat transfer elements than the number of heat transfer elements of the first heat transfer arrangement.
- the heat transfer elements of the first heat transfer arrangement are followed by expansion elements that are located in a transition section between the first section and the second section and towards the outer edges of the cooling channel he stretch.
- a mechanically robust transition can alternatively be achieved if the heat transfer element of the second heat transfer arrangement is connected to the heat transfer elements of the first heat transfer arrangement by a branching element that extends radially less far into the cooling channel in a transition section between the first section and the second section than the heat transfer elements. It was possible to determine through simulations that the mechanical stress and thus the risk of cracks in the stator housing can be reduced considerably by the branching element.
- the branching element is expediently Y-shaped and / or can be overflowed by the cooling fluid.
- the branching element preferably has at least 0.1 times, preferably at least 0.25 times, particularly preferably 0.4 times, and / or at most 0.9 times, preferably at most 0.75 times, particularly preferably 0.6 times, the radial extent of the heat transfer elements.
- the heat transfer elements extend continuously along the respective section.
- a respective heat transfer arrangement is formed by several heat transfer units comprising at least one heat transfer element, which extend in sections along the respective section under the formation of interruptions between two adjacent heat transfer units.
- the cooling channel extends helically in the circumferential direction of the stator housing.
- a design of the stator housing also referred to as a helix design, typically realizes the same orientation of the flow direction over the entire length of the cooling channel.
- longitudinal zones of the cooling channel preferably run only in the circumferential direction, with axially adjacent longitudinal zones being connected by offset zones in which the flow direction runs in the circumferential and axial directions.
- the first section and / or the second section and / or the further section can extend both within longitudinal zones and within offset zones.
- the cooling channel is designed in a meandering manner by several main zones extending in the circumferential direction or in the axial direction and adjacent main zones connecting deflection zones. So here is the Transition from one main zone to an adjacent main zone, the direction of flow changes.
- a respective deflection zone realizes a change in direction of the cooling fluid of at least 170 ° and / or at most 190 °.
- At least one heat transfer unit is arranged in each main zone.
- the interruptions extend completely along the deflection zones.
- the cooling channel is formed by a cavity in the stator housing.
- stator housing it is provided that it comprises an inner housing element and an outer housing element, the inner housing element being arranged coaxially within the outer housing element, the cavity being formed in the inner housing element and / or in the outer housing element is.
- an electrical machine for a vehicle comprising an inventive Statorge housing and a stator which is arranged within the stator housing.
- FIG. 1 shows a cross-sectional view of an exemplary embodiment of the electrical machine according to the invention
- Fig. 2 is an exploded view of a first embodiment of the fiction, contemporary stator housing 3 shows a planar projection of a cooling channel of the first exemplary embodiment of the stator housing;
- FIG. 4 shows a temperature distribution on a press fit of the stator housing according to the first exemplary embodiment during operation
- FIG. 6 shows a perspective view of the cooling channel in the region of a transition section according to a second exemplary embodiment of the stator housing according to the invention
- FIG. 7 is a perspective view of a housing element according to a third embodiment of the stator housing according to the invention.
- FIG. 9 is a perspective view of a housing element according to a four-th embodiment of the stator housing according to the invention.
- FIG. 10 shows a planar projection of the cooling channel of the fourth exemplary embodiment.
- FIG. 1 is a cross-sectional view of an exemplary embodiment of an electrical machine 1.
- the electrical machine 1 comprises a stator housing 2, a stator 3 which is connected to the stator housing 2 by means of a press fit, for example, a rotor 4 which is rotatably arranged within the stator 3, and a shaft 5 on which the rotor 4 is attached.
- the rotor 4 comprises a plurality of permanent magnets 6.
- the stator housing 2 corresponds to one of the exemplary embodiments described below.
- FIG. 2 is an exploded view of a first embodiment of the stator housing 2.
- the stator housing 2 houses a cylindrical receiving space 7 with a Zylin derachse 8 for the stator 3 (see Fig. 1).
- the stator housing 2 comprises an inlet 9 for a cooling fluid, an outlet 10 for the cooling fluid and a cooling channel 11, which is formed between the inlet 9 and the outlet 10 and through which the cooling fluid can flow in a flow direction directed from the inlet 9 to the outlet 10 .
- the inlet 9 and the outlet 10 are exemplarily formed on opposite axial sides on a lateral surface of the stator housing 2.
- the cooling channel 11 has a first heat transfer arrangement 12 and a second heat transfer arrangement 13, which each extend along the flow direction and are designed to transfer heat from the cooling fluid to the stator housing 2.
- FIG 3 is a planar projection of a cooling channel 11 of the stator housing 2.
- the inlet-side end 14 of the cooling channel 11 is shown on the right and the outlet-side end 15 of the cooling channel 11 is shown on the left.
- the cooling channel 11 comprises a first section 16, in which the first heat transfer arrangement 12 is arranged, and a second section 17, arranged on the inlet side with respect to the first section 16, in which the second heat transfer arrangement 13 is arranged.
- the first heat transfer arrangement 12 in the first section 16 realizes a larger heat transfer surface for the cooling fluid, depending on the length unit related to the flow direction, than the second heat transfer arrangement 13 in the second section 17.
- the cooling channel 11 comprises a third section 18, which is located with respect to the second section 17 is located on the inlet side. In the third section 18, the cooling channel 11 has a smaller heat transfer surface for the cooling fluid, depending on the length unit related to the flow direction, than in the second section 17.
- the cooling fluid heats up while flowing through the cooling channel 11, so that cooling fluid that has already been heated flows on the outlet side. Because the heat transfer surface in the first section 16 is larger than in the second section 17 and this in turn is larger in the second section 17 than in the third section 18, an axial temperature distribution on the stator housing 2 is compared to a stator housing without heat transfer arrangements - i.e. with a Over the entire length of the cooling channel essentially constant heat transfer surface - much more homogeneous.
- the cooling channel 11 is divided into two partial cooling channels 19 by the second heat transfer arrangement 16 and into three partial cooling channels 20 by the first heat transfer arrangement.
- the cross-sectional areas of the partial cooling channels 19 are essentially the same as one another.
- the cross-sectional areas of the partial cooling channels 20 are essentially the same as one another.
- the stator housing 2 is formed in a fluid-tight manner in the direction perpendicular to the flow direction, that is to say here in the axial direction.
- the first heat transfer arrangement 12 is formed by two heat transfer elements 21, 22 which each extend continuously along the flow direction in the first section 16.
- the second heat transfer arrangement 13 is formed by a heat transfer element 23 which extends continuously along the flow direction in the second section 17. No heat transfer elements are provided in the third section 18.
- the cooling channel 11 extends in the circumferential direction of the stator housing 2 in a helical manner.
- the cooling channel 11 has four longitudinal zones 26, in which the flow direction runs in the circumferential direction, and three offset zones 27, which connect adjacent longitudinal zones 26 and in which the flow direction runs in the circumferential and axial direction.
- FIG. 2 also shows that the stator housing 2 comprises an inner housing element 28 and an outer housing element 29.
- the housing elements 28, 29 are arranged coaxially to one another in such a way that they completely delimit the cooling channel 11 when the inner housing element 28 is pushed into the outer housing element 29.
- the inlet 9 and the outlet 10 are provided on a jacket surface of the outer housing element 29.
- Each housing element 28, 29 also has a bearing plate 30, 31 with a through opening 32 for the shaft 5 (see FIG. 1).
- Fig. 4 shows a temperature distribution on the press fit of the stator housing 2 during operation of the electrical machine 1.
- Fig. 5 shows a temperature distribution on the press fit of a conventional stator housing without heat transfer arrangements. Isolines L of the temperature each show a distance of 2 K. As a comparison of Fig. 4 and Fig. 5 can be seen, the Isoli lines L in Fig. 4 are less crowded, so that a much more homogeneous temperature distribution is realized in the axial direction than in the conventional stator housing.
- the temperature distributions shown are based on a simulation with characteristic values.
- the following table shows results of simulating a pressure drop between the inlet and the outlet, an average Surface temperature at the press fit and an average volume temperature in the inner housing element for the conventional stator housing (column A), for the stator housing 2 according to the first embodiment (column B) and for a stator housing in which the number of longitudinal zones compared to the conventional stator housing of four was increased to six (Column C).
- the heat transfer arrangements 12, 13 achieve a significant reduction in the average temperatures with only a slight increase in the pressure drop. It should be noted that both the temperature reduction and the increase in the pressure drop in the first exemplary embodiment are each more advantageous than in the case of a stator housing with an increase in the number of main zones. These results can be transferred qualitatively to the exemplary embodiments described below.
- Fig. 6 is a perspective view of the cooling channel 11 in the region of the transition section 24 according to a second embodiment of the Statorgecher ses 2, which corresponds to the first embodiment except for the differences described below.
- the heat transfer element 23 of the second heat transfer arrangement 13 is connected to the heat transfer elements 21, 22 of the first heat transfer arrangement 12 by a branch element 33.
- the branching element 33 has a Y-shape and extends radially less far outward than the heat transfer elements 21, 22, 23, so that the cooling fluid can flow over it, as indicated by two arrows.
- the branching element 33 considerably reduces mechanical stresses in the transition section 24 compared to the first exemplary embodiment or an exemplary embodiment corresponding to the first exemplary embodiment with a free transition section.
- the branching element 33 here has half the radial extension as the heat transfer elements 21, 22, 23.
- FIG. 7 is a perspective view of the inner housing element 28 of a third exemplary embodiment of the stator housing 2, which corresponds to the first exemplary embodiment except for the deviations described below.
- the cooling channel 11 is formed by a plurality of axially extending main zones 34 and adjacent main zones 34 connecting deflection zones 35 meandering.
- the deflection zones change the direction of flow by 180 °.
- the inlet is exemplary 9 and the outlet 10 here, in a departure from FIGS. 1 and 2, on an axial side of the stator housing 2.
- the first section 16 extends over eight main zones 34 from the outlet-side end 15 to the second section 17, which extends over seven main zones 34 to the third section 18. This extends over three main zones 34 to the inlet-side end 14.
- the first heat transfer arrangement 12 comprises one of the number of main zones 34 along which the first section 16 extends, corresponding number of heat transfer units 36.
- the heat transfer units 36 include the heat transfer elements 21, 22, which extend in the axial direction with interruptions along the first section 16 extend.
- the second heat transfer arrangement 13 also includes a number of heat transfer units 37 corresponding to the number of main zones 34 along which the second section 17 extends.
- the heat transfer units 37 include the heat transfer element 23, which extends with interruptions in the axial direction along the second section 17 extends.
- the interruptions are each located in the area of the deflection sections 35.
- Fig. 9 is a perspective view of the inner housing element 28 of a fourth embodiment of the stator housing 2, which corresponds to the third embodiment except for the deviations described in the fol lowing.
- the cooling channel 11 is formed meander-shaped by several in order circumferential extending main zones 34 which are connected ver by the deflection zones 35.
- the inlet and the outlet are here in the same radial position on opposite axial sides of the Stator housing 2 (see Fig. 2).
- the first section 16 extends over two main zones 34 from the outlet end 15 to the second section 17, which extends over two main zones 34 to the third section 18. This extends over two main zones 34 up to the inlet-side end 14.
- the first heat transfer arrangement 12 here comprises two heat transfer units 36 corresponding to the number of main zones 34 along which the first section 16 extends.
- the heat transfer units 36 include the heat transfer elements 21, 22, which extend in the circumferential direction with an interruption along the first section 16 .
- the second heat transfer arrangement 13 comprises two heat transfer units 37 corresponding to the number of main zones 34 along which the second section 17 extends.
- the heat transfer units 37 comprise the heat transfer element 23, which extends with an interruption in the circumferential direction along the second section 17.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019133548.5A DE102019133548A1 (de) | 2019-12-09 | 2019-12-09 | Statorgehäuse für eine elektrische Maschine, elektrische Maschine für ein Fahrzeug und Fahrzeug |
| PCT/EP2020/084361 WO2021115895A1 (de) | 2019-12-09 | 2020-12-03 | Statorgehäuse für eine elektrische maschine, elektrische maschine für ein fahrzeug und fahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4073910A1 true EP4073910A1 (de) | 2022-10-19 |
Family
ID=73740376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20820359.6A Pending EP4073910A1 (de) | 2019-12-09 | 2020-12-03 | Statorgehäuse für eine elektrische maschine, elektrische maschine für ein fahrzeug und fahrzeug |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12334777B2 (de) |
| EP (1) | EP4073910A1 (de) |
| JP (1) | JP7676401B2 (de) |
| KR (1) | KR102863662B1 (de) |
| CN (1) | CN114788144A (de) |
| DE (1) | DE102019133548A1 (de) |
| WO (1) | WO2021115895A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11611259B2 (en) * | 2020-03-05 | 2023-03-21 | Dana Belgium N.V. | Systems for a cooling jacket in an electric motor |
| DE102022202892A1 (de) * | 2022-03-24 | 2023-09-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Gaszuführvorrichtung |
| DE102022207424B4 (de) | 2022-07-20 | 2024-11-28 | Vitesco Technologies Germany Gmbh | Gehäuse mit Gehäusekühlung, elektrische Maschine, Verfahren zur Kühlung der elektrischen Maschine und Kraftfahrzeug |
| JP7762130B2 (ja) * | 2022-10-12 | 2025-10-29 | 本田技研工業株式会社 | 回転電機 |
| DE112023006077T5 (de) * | 2023-03-29 | 2026-01-29 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Elektrischer kompressor |
| DE112023005642T5 (de) * | 2023-03-30 | 2025-12-04 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Elektrische kompressorvorrichtung |
| US12463509B2 (en) | 2023-07-05 | 2025-11-04 | Schaeffler Technologies AG & Co. KG | Stator carrier for a drive unit |
| CN120414976B (zh) * | 2025-07-02 | 2025-10-17 | 比亚迪股份有限公司 | 电机壳体、电机电控总成、电驱系统以及车辆 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003199293A (ja) | 2001-12-27 | 2003-07-11 | Aisin Aw Co Ltd | 電動機付駆動装置の冷却装置 |
| US6727611B2 (en) | 2002-05-28 | 2004-04-27 | Emerson Electric Co. | Cooling jacket for electric machines |
| JP4140367B2 (ja) * | 2002-12-06 | 2008-08-27 | トヨタ自動車株式会社 | モータの冷却装置 |
| DE102009050090A1 (de) * | 2009-10-20 | 2011-04-21 | Sew-Eurodrive Gmbh & Co. Kg | Anordnung, insbesondere Kühlanordnung, mit Kühlkanal und Elektromotor |
| CN102651579B (zh) * | 2011-02-25 | 2017-03-29 | 德昌电机(深圳)有限公司 | 冷却机构及电机 |
| DE102011016886A1 (de) * | 2011-04-13 | 2012-10-18 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung mit einem Wärmetauscher für einen thermoelektrischen Generator eines Kraftfahrzeugs |
| TWI477039B (zh) * | 2011-11-23 | 2015-03-11 | 台達電子工業股份有限公司 | 冷卻套 |
| DE102012205404A1 (de) * | 2012-04-03 | 2013-10-10 | Bayerische Motoren Werke Aktiengesellschaft | Elektrische Maschine |
| DE102012008209A1 (de) * | 2012-04-21 | 2013-10-24 | Volkswagen Aktiengesellschaft | Elektrische Maschine |
| US20150308456A1 (en) * | 2014-02-19 | 2015-10-29 | Honeywell International Inc. | Electric motor-driven compressor having bi-directional liquid coolant passage |
| DE102014204816A1 (de) * | 2014-03-14 | 2015-09-17 | Zf Friedrichshafen Ag | Elektrische Maschine mit einem Kühlelement |
| WO2015178087A1 (ja) * | 2014-05-20 | 2015-11-26 | 三菱電機株式会社 | 機電一体型モータ装置 |
| CN107078597B (zh) * | 2014-10-23 | 2019-05-31 | 罗伯特·博世有限公司 | 用于电机的流体冷却的壳体 |
| JP2016135049A (ja) * | 2015-01-21 | 2016-07-25 | 東芝三菱電機産業システム株式会社 | 密閉型回転電機 |
| US20160294231A1 (en) * | 2015-04-02 | 2016-10-06 | Hamilton Sundstrand Corporation | Stator heat transfer feature |
| CN105099082A (zh) * | 2015-09-21 | 2015-11-25 | 上海电机学院 | 电机环形水道结构与电机系统 |
| DE102016216019A1 (de) * | 2016-08-25 | 2018-03-01 | Continental Automotive Gmbh | Einsatz für einen Kühlmantel einer elektrischen Maschine |
| EP3358721A1 (de) | 2017-02-07 | 2018-08-08 | Siemens Aktiengesellschaft | Anordnung eines anschlusses an einer stirnseite einer elektrischen maschine |
| FR3070558B1 (fr) * | 2017-08-24 | 2020-06-12 | IFP Energies Nouvelles | Machine electrique avec dispositif de refroidissement comprenant un canal partiellement subdivise |
| JP2019176648A (ja) * | 2018-03-29 | 2019-10-10 | ファナック株式会社 | 固定子枠、固定子及び回転電機 |
| CN208226747U (zh) * | 2018-05-14 | 2018-12-11 | 苏州朗高电机有限公司 | 一种高效散热的新能源汽车电机水道结构 |
| CN208571804U (zh) * | 2018-06-29 | 2019-03-01 | 广州精传科技有限公司 | 一种电机机壳水道 |
| DE102018117176B4 (de) * | 2018-07-16 | 2020-12-24 | Hiwin Mikrosystem Corp. | Kühlstruktur einer drehenden elektrischen Maschine |
| KR102041249B1 (ko) * | 2018-07-23 | 2019-11-27 | 하이윈 마이크로시스템 코포레이션 | 회전 전기 모터의 냉각 구조 |
| US10873239B2 (en) * | 2018-09-07 | 2020-12-22 | Hamilton Sunstrand Corporation | Electric machine cooling features |
| CN209170109U (zh) * | 2018-12-26 | 2019-07-26 | 南京越博电驱动系统有限公司 | 一种新能源汽车用电机水冷机壳 |
-
2019
- 2019-12-09 DE DE102019133548.5A patent/DE102019133548A1/de active Pending
-
2020
- 2020-12-03 WO PCT/EP2020/084361 patent/WO2021115895A1/de not_active Ceased
- 2020-12-03 CN CN202080084804.8A patent/CN114788144A/zh active Pending
- 2020-12-03 EP EP20820359.6A patent/EP4073910A1/de active Pending
- 2020-12-03 JP JP2022534863A patent/JP7676401B2/ja active Active
- 2020-12-03 US US17/783,371 patent/US12334777B2/en active Active
- 2020-12-03 KR KR1020227019383A patent/KR102863662B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP7676401B2 (ja) | 2025-05-14 |
| US12334777B2 (en) | 2025-06-17 |
| KR102863662B1 (ko) | 2025-09-23 |
| US20230013463A1 (en) | 2023-01-19 |
| CN114788144A (zh) | 2022-07-22 |
| WO2021115895A1 (de) | 2021-06-17 |
| KR20220109412A (ko) | 2022-08-04 |
| JP2023505809A (ja) | 2023-02-13 |
| DE102019133548A1 (de) | 2021-06-10 |
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