CN206149098U - Cold motor of oil and vehicle - Google Patents
Cold motor of oil and vehicle Download PDFInfo
- Publication number
- CN206149098U CN206149098U CN201621083992.XU CN201621083992U CN206149098U CN 206149098 U CN206149098 U CN 206149098U CN 201621083992 U CN201621083992 U CN 201621083992U CN 206149098 U CN206149098 U CN 206149098U
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- oil
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- stator
- cooled
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Abstract
The utility model discloses a cold motor of oil and vehicle, the cold motor of oil, include: casing, stator and rotor, the stator with the rotor is established the intracavity that holds of is injectd to the casing, the casing has the casing oil circuit, the casing oil circuit passes through oil inlet and the outside oil pipe of confession way intercommunication, and is equipped with the casing jet towards the stator, the rotor has the rotor oil circuit, the rotor oil circuit with casing oil circuit intercommunication, and have the orientation the rotor jet of stator, hold the chamber and pass through oil -out and the outside oil pipe way intercommunication that returns. The utility model discloses a cold motor of oil, the path length of flowing through of cooling fluid, and all have better radiating effect to casing, rotor, stator, and especially can cool off the serious stator of calorific capacity betterly, the heat dispersion of the cold motor of oil is good, and work efficiency is higher, to the motor of same volume, the utility model discloses bigger moment of torsion and power can be exert to the cold motor of oil.
Description
Technical field
This utility model belongs to motor radiating technical field, in particular to a kind of oil-cooled motor and with the oil cooling
The vehicle of motor.
Background technology
The heat dispersion of motor directly affects the performance and service life of motor, in correlation technique, adopts motor more
Air-cooled or water-cooling structure, air-cooled or water-cooled radiating efficiency is relatively low, and minority adopts the motor of oil cooling radiating mode, its radiator structure
Complexity, and the fluid that radiates moves towards unreasonable, directly results in housing and end cap strength character declines, radiating efficiency is low, and to oil
The performance requirement of pump is higher, there is room for improvement.
Utility model content
This utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality
It is the oil-cooled motor for proposing that a kind of radiating efficiency is high with a new purpose.
Another purpose of the present utility model is to propose a kind of vehicle with above-mentioned oil-cooled motor.
According to the oil-cooled motor of this utility model first aspect embodiment, including：Housing, stator and rotor, the stator
The receiving intracavity that the housing is limited is located at the rotor, the housing has housing oil circuit, and the housing oil circuit passes through
Oil-in is connected with outside oil feed line, and is provided with the housing jet of stator, and the rotor has rotor oil circuit, described
Rotor oil circuit and the housing oil communication, and with the rotor oil injection opening towards the stator, the accommodating chamber is by fuel-displaced
Mouth is connected with outside return line.
According to the oil-cooled motor of this utility model above-described embodiment, by arranging the housing oil circuit of said structure form and turning
Seed oil road, cooling oil flows through path length, and is respectively provided with preferable radiating effect to housing, rotor, stator, particularly can be with
The serious stator of caloric value is preferably cooled down, the perfect heat-dissipating of oil-cooled motor, work efficiency is higher, for the electricity of same volume
Machine, the oil-cooled motor of this utility model embodiment can play bigger moment of torsion and power.
According to a second aspect of the present invention the vehicle of embodiment is provided with oil-cooled motor as described in relation to the first aspect.
The vehicle has the advantage that identical with above-mentioned oil-cooled motor relative to prior art, will not be described here.
Description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from the description with reference to accompanying drawings below to embodiment
Become obvious and easy to understand, wherein：
Fig. 1 is the structural representation of the oil-cooled motor according to this utility model embodiment；
Fig. 2 is to move towards schematic diagram according to the oil circuit of the oil-cooled motor of this utility model embodiment；
Fig. 3 is in a viewing angle constructions schematic diagram according to the inner housing of this utility model embodiment；
Fig. 4 is in another viewing angle constructions schematic diagram according to the inner housing of this utility model embodiment；
Fig. 5 is the structural representation of the shell body according to this utility model embodiment；
Fig. 6 is the structural representation of the rotor according to this utility model embodiment；
Fig. 7 is the sectional view of the rotor according to this utility model embodiment；
Fig. 8 is the structural representation of the magnetic isolation plate according to this utility model embodiment.
Reference：
Oil-cooled motor 100, oil-in 101, oil-out 102, sealing ring 103, oil sealing 104, housing 10, inner housing 11 is front
End cap 11a, annular rib 11b, separate rib 11c, breach 11d, gap 11e, shell body 12, rear end cap 12a, end cap oil duct
12b, accommodating chamber 13, housing oil circuit 14, housing jet 14a, rotor 20, rotating shaft 21, axocoel 21a, permanent magnet 22, magnetic isolation plate
23, magnetic isolation plate oil duct 23a, cell body 23b, rotor oil circuit 24, rotor oil injection opening 24a, stator 30.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that to this utility model
Restriction.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combine in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
As Figure 1-Figure 8, the oil-cooled motor 100 of this utility model embodiment includes housing 10, stator 30 and rotor 20.
Wherein, housing 10 limits being at least partially disposed in accommodating chamber 13 of accommodating chamber 13, stator 30 and rotor 20, housing
10 have housing oil circuit 14, and housing oil circuit 14 is connected by oil-in 101 with outside oil feed line, and housing oil circuit 14 is provided with shell
, towards stator 30, rotor 20 has rotor oil circuit 24, rotor oil circuit 24 and housing oil circuit for body jet 14a, housing jet 14a
14 connections, and rotor oil circuit 24 has rotor oil injection opening 24a, also towards stator 30, accommodating chamber 13 passes through rotor oil injection opening 24a
Hydraulic fluid port 102 is connected with outside return line.
It is understood that with reference to Fig. 1 and Fig. 2, cooling oil flows into housing oil circuit 14, housing oil circuit from oil-in 101
Cooling oil in 14 can radiate to housing 10.The cooling oil for flowing into housing oil circuit 14 is divided into two-way, wherein being all the way logical
Cross housing jet 14a to be sprayed onto on stator 30；To flow to rotor oil circuit 24, the cooling oil in rotor oil circuit 24 can on another road
To radiate to rotor 20, and the cooling oil in rotor oil circuit 24 is also sprayed onto on stator 30 by rotor oil injection opening 24a.Sprinkling
Cooling oil on stator 30 is pooled to accommodating chamber 13, and is recovered to outside return line, outside oil return by oil-out 102
Cooling oil in pipeline can flow into again housing oil circuit 14 Jing after oil cooler cooling from oil-in 101.
According to the oil-cooled motor 100 of this utility model embodiment, by the He of housing oil circuit 14 for arranging said structure form
Rotor oil circuit 24, cooling oil flows through path length, and is respectively provided with preferable radiating effect to housing 10, rotor 20, stator 30,
The serious stator 30 of heating particularly can be preferably cooled down, the perfect heat-dissipating of oil-cooled motor 100, work efficiency is higher, right
In the motor of same volume, the oil-cooled motor 100 of this utility model embodiment can play bigger moment of torsion and power.
In some preferred embodiments of the present utility model, with reference to Fig. 1, Fig. 3-Fig. 5, housing 10 can include inner housing
11 and shell body 12, shell body 12 is set in outside inner housing 11, and sealing ring can be folded between inner housing 11 and shell body 12
103, to ensure sealing, oil leak is prevented, and inner housing 11 and shell body 12 limit housing oil circuit 14 jointly.
In other words, housing oil circuit 14 can be thin walled cavity, so in the case where the flow of cooling oil is certain, cooling
The flow velocity of fluid is bigger, and the heat exchange efficiency between cooling oil and inner housing 11 is higher, and dissipating to stator 30 is improved indirectly
The thermal efficiency, and the version of inside and outside housing is easy to processing and die sinking, it is cost-effective.
Preferably, with reference to Fig. 2, housing oil circuit 14 can include two parallel branch roads, so can reduce to oil pump
Performance requirement, reduces cost.
Specifically, with reference to Fig. 3 and Fig. 4, multiple axially spaced annulars can be provided with the periphery wall of inner housing 11
Rib 11b, such as multiple annular rib 11b can be with evenly-spaced and arranged in parallel.In annular rib 11b can be improved
The structural strength of housing 11, increases the area of dissipation of inner housing 11, and the cooling performance of inner housing 11 is more preferable.
With reference to Fig. 3 and Fig. 4, each annular rib 11b has at least two breach 11d, the breach of multiple annular rib 11b
11d is formed as two groups, and one group of breach 11d is import, and another group of breach 11d is outlet, and every group of breach 11d just pair is setting vertically
Put, with reference to Fig. 4, a group in two groups of breach 11d and oil-in 101 just to arranging, be additionally provided with the periphery wall of inner housing 11 with
Cut-off rib 11c annular rib 11b spaced apart, with reference to Fig. 3, cut-off rib 11c is axially extended and positioned at one group of breach 11d
Place, the height for separating rib 11c is higher than the height of annular rib 11b, and cut-off rib 11c only supports shell body 12, so that inner housing
Housing oil circuit 14 between 11 and shell body 12 is separated into two branch roads, separates rib 11c with inner housing 11 away from oil-feed
Gap 11e is provided between the end face of mouth 101, housing oil circuit 14 is connected by gap 11e with rotor oil circuit 24.
In other words, the cooling oil for flowing into housing oil circuit 14 is divided into two branch roads, and two branch roads are opposite along two respectively
Direction separates rib 11c from one group of breach 11d flow directions of annular rib 11b, and part cooling oil passes through in flow process
Housing jet 14a is sprayed onto on stator 30, and the gap between two curb cut-off rib 11c and annular rib 11b is collected
To at gap 11e, and rotor oil circuit 24 is flowed to by gap 11e, such cooling oil is more equal to the radiating effect of inner housing 11
Weighing apparatus.
With reference to Fig. 3 and Fig. 4, housing jet 14a can be located on the perisporium of inner housing 11, and housing jet 14a can be with
Including two groups, two groups of housing jet 14a can be respectively facing the outside of two winding overhangs of stator 30, fixed directly to cool down
Two winding overhangs of son 30, specifically, every group of housing jet 14a can be multiple, and per group of multiple housing oil spouts
Mouth 14a can open arrangement along the circumferentially-spaced of inner housing 11.
With reference to Fig. 3 and Fig. 4, inner housing 11 can be integrated with drive end bearing bracket 11a, and shell body 12 can be integrated with rear end cap 12a,
The number of parts can be so reduced, the structure of oil-cooled motor 100 is more simple and reliable, can stay between housing 10 and rotor 20
There is gap, be easy to cooling oil cooling bearing, oil-in 101 to be located at the bottom of drive end bearing bracket 11a, oil-out 102 can set
In the bottom of rear end cap 12a, in order to the circulation of cooling oil.
With reference to Fig. 1 and Fig. 4, end cap oil duct 12b can be provided with rear end cap 12a, housing oil circuit 14 can be by end cap oil
Road 12b is connected with rotor oil circuit 24, and specifically, the entrance point of end cap oil duct 12b can be just right with gap 11e, with oily with housing
The UNICOM of road 14.
With reference to Fig. 6-Fig. 7, rotor 20 can include rotating shaft 21, permanent magnet 22 and magnetic isolation plate 23, and rotating shaft 21 is from drive end bearing bracket 11a
Stretch out, and oil sealing 104 is folded between rotating shaft 21 and drive end bearing bracket 11a to ensure sealing, prevent oil leak.Permanent magnet 22 and every magnetic
Plate 23 is set in outside rotating shaft 21, and stator 30 is set in outside permanent magnet 22, and magnetic isolation plate 23 is located at the end of permanent magnet 22, magnetic isolation plate 23
It can be two, two magnetic isolation plates 23 can be with sandwiched permanent magnet 22, and magnetic isolation plate 23 can be copper coin.
With reference to Fig. 7, rotor oil circuit 24 can include the magnetic isolation plate oil duct 23a and axocoel 21a being located in rotating shaft 21, axocoel
The open at one end relative with rear end cap 12a of 21a, the port of export of end cap oil duct 12b may be located at the center of rear end cap 12a,
So axocoel 21a is connected with housing oil circuit 14, and rotating shaft 21 can also be directly cooled down when cooling oil flows through axocoel 21a.
With reference to Fig. 7, oilhole can be provided with the perisporium of rotating shaft 21, oilhole runs through the perisporium of rotating shaft 21 and connects with axocoel 21a
Logical, one end of magnetic isolation plate oil duct 23a is connected by the oilhole on the perisporium of rotating shaft 21 with axocoel 21a, and magnetic isolation plate oil duct 23a's is another
End is formed as rotor oil injection opening 24a.
Specifically, with reference to Fig. 6-Fig. 8, the side towards permanent magnet 22 of magnetic isolation plate 23 can be provided with cell body 23b, permanent magnet
The side of 22 closing cell body 23b can be provided with multiple cell body 23b to form magnetic isolation plate oil duct 23a on each magnetic isolation plate 23, multiple
Cell body 23b is opened along the circumferentially-spaced of magnetic isolation plate 23, and cell body 23b radially extending along magnetic isolation plate 23, than as shown in figure 8, every magnetic
Four cell body 23b can be provided with plate 23, four cell body 23b are evenly-spaced along the circumference of magnetic isolation plate 23, correspondingly, stator 30
Each winding overhang can correspond to four rotor oil injection openings 24a.
Rotor oil injection opening 24a can directly towards stator 30 winding overhang inner side oil spout so, the winding terminal of stator 30
The interior outside in portion can touch the cooling oil that uniform jet touches ejection, and the cooling of stator 30 is uniform, can eliminate fixed
The localized hyperthermia of son 30, and when rotor 20 is rotated, the flow velocity that cooling oil flows through the inner side of stator 30 can be lifted, so as to pole
The earth lifts the winding overhang rate of cooling of stator 30.
The invention also discloses a kind of vehicle of the oil-cooled motor 100 with any of the above-described kind of embodiment description.
In description of the present utility model, it is to be understood that term "front", "rear", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " axial direction ", " radial direction ", " circumference " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, unless otherwise clearly restriction.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in this utility model can be as the case may be understood.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification.
Claims (18)
1. a kind of oil-cooled motor, it is characterised in that include：Housing, stator and rotor, the stator and the rotor are located at described
The receiving intracavity that housing is limited, the housing has housing oil circuit, and the housing oil circuit is by oil-in and outside fuel feed pump
Road connects, and is provided with the housing jet of stator, and the rotor has rotor oil circuit, the rotor oil circuit and the housing
Oil communication, and with the rotor oil injection opening towards the stator, the accommodating chamber is connected by oil-out with outside return line
It is logical.
2. oil-cooled motor according to claim 1, it is characterised in that the housing includes：Inner housing and shell body, it is described
Shell body is set in the inner shell in vitro, and limits the housing oil circuit jointly, and the housing jet is located at the inner shell
On the perisporium of body.
3. oil-cooled motor according to claim 2, it is characterised in that the housing oil circuit includes two parallel branch roads.
4. oil-cooled motor according to claim 2, it is characterised in that the periphery wall of the inner housing is provided with multiple along axle
To annular rib spaced apart, the annular rib has at least two breach, and the breach of the plurality of annular rib is formed as
Two groups.
5. oil-cooled motor according to claim 4, it is characterised in that every group of breach is vertically just to arranging.
6. oil-cooled motor according to claim 4, it is characterised in that a group in breach described in two groups and the oil-in
Just to arranging.
7. oil-cooled motor according to claim 5, it is characterised in that be additionally provided with the periphery wall of the inner housing with it is described
Annular rib cut-off rib spaced apart, the cut-off rib is axially extended and positioned at indentation, there described in a group.
8. oil-cooled motor according to claim 7, it is characterised in that the cut-off rib and the inner housing are away from entering
Gap is provided between the end face of hydraulic fluid port, the housing oil circuit is by the gap and the rotor oil communication.
9. oil-cooled motor according to claim 2, it is characterised in that the housing jet includes two groups, described in two groups
Housing jet is respectively facing the outside of two winding overhangs of the stator.
10. oil-cooled motor according to claim 9, it is characterised in that per group of housing jet is multiple, and edge
It is circumferentially-spaced to open arrangement.
11. oil-cooled motors according to claim 2, it is characterised in that the inner housing is integrated with drive end bearing bracket, the oil-feed
Mouth is located at the bottom of the drive end bearing bracket.
12. oil-cooled motors according to claim 2, it is characterised in that the shell body is integrated with rear end cap, described fuel-displaced
Mouth is located at the bottom of the rear end cap.
13. oil-cooled motors according to claim 12, it is characterised in that end cap oil duct is provided with the rear end cap, it is described
Housing oil circuit is by the end cap oil duct and the rotor oil communication.
14. oil-cooled motors according to claim 1, it is characterised in that the rotor includes rotating shaft, permanent magnet and every magnetic
Plate, the permanent magnet and the magnetic isolation plate are set in outside the rotating shaft, and the magnetic isolation plate is located at the end of the permanent magnet.
15. oil-cooled motors according to claim 14, it is characterised in that the rotor oil circuit includes magnetic isolation plate oil duct and sets
Axocoel in the rotating shaft, the axocoel and the housing oil communication, one end of the magnetic isolation plate oil duct passes through described turn
Oilhole on axle perisporium is connected with the axocoel, and the other end is formed as the rotor oil injection opening.
16. oil-cooled motors according to claim 15, it is characterised in that the one of the direction permanent magnet of the magnetic isolation plate
Side is provided with cell body, and the permanent magnet closes the side of the cell body to form the magnetic isolation plate oil duct.
17. oil-cooled motors according to claim 16, it is characterised in that each described magnetic isolation plate is provided with multiple cell bodies,
Multiple cell bodies are circumferentially spaced, and the cell body is radially extended.
18. a kind of vehicles, it is characterised in that arrange just like the oil-cooled motor any one of claim 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083992.XU CN206149098U (en) | 2016-09-27 | 2016-09-27 | Cold motor of oil and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083992.XU CN206149098U (en) | 2016-09-27 | 2016-09-27 | Cold motor of oil and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149098U true CN206149098U (en) | 2017-05-03 |
Family
ID=58620236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083992.XU Active CN206149098U (en) | 2016-09-27 | 2016-09-27 | Cold motor of oil and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149098U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512363A (en) * | 2018-04-10 | 2018-09-07 | 浙江兴轮电驱动有限公司 | A kind of oil-cooled motor |
| CN109510402A (en) * | 2019-01-18 | 2019-03-22 | 中国第汽车股份有限公司 | A kind of used in new energy vehicles oil-cooled motor system |
| CN109936241A (en) * | 2019-03-27 | 2019-06-25 | 上海蔚来汽车有限公司 | Motor |
| CN110138118A (en) * | 2018-08-27 | 2019-08-16 | 胡茂忠 | A kind of generator of novel efficient |
| JP2020054074A (en) * | 2018-09-26 | 2020-04-02 | 株式会社Ｍ−Ｔｅｃ | Rotary electric machine and cooling system of the same |
| CN111181300A (en) * | 2018-11-12 | 2020-05-19 | 合肥巨一动力系统有限公司 | Oil cooling structure of permanent magnet synchronous motor |
| EP3672035A1 (en) | 2018-12-19 | 2020-06-24 | LG Electronics Inc. | Motor |
| CN111564927A (en) * | 2020-05-18 | 2020-08-21 | 珠海格力电器股份有限公司 | Hollow shaft sealing ring, hollow shaft, rotor structure, motor and electric automobile |
| KR20200103454A (en) | 2019-02-25 | 2020-09-02 | 엘지전자 주식회사 | Motor |
| CN111799951A (en) * | 2019-04-04 | 2020-10-20 | 采埃孚股份公司 | Device for liquid cooling of an electric machine |
| CN112448524A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Motor and vehicle |
| CN113162300A (en) * | 2021-04-28 | 2021-07-23 | 中国第一汽车股份有限公司 | Motor cooling system, motor and vehicle |
| CN114337013A (en) * | 2021-12-08 | 2022-04-12 | 岚图汽车科技有限公司 | Oil-cooled motor and vehicle |
| CN114552892A (en) * | 2022-03-01 | 2022-05-27 | 臻驱科技（上海）有限公司 | Oil-cooled driving motor and assembling method thereof |
| WO2022121549A1 (en) * | 2020-12-11 | 2022-06-16 | 合肥巨一动力系统有限公司 | Three-in-one oil cooling electric driving structure |
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2016
- 2016-09-27 CN CN201621083992.XU patent/CN206149098U/en active Active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512363B (en) * | 2018-04-10 | 2020-08-18 | 浙江兴轮电驱动有限公司 | Oil-cooled motor |
| CN108512363A (en) * | 2018-04-10 | 2018-09-07 | 浙江兴轮电驱动有限公司 | A kind of oil-cooled motor |
| CN110138118B (en) * | 2018-08-27 | 2021-03-19 | 胡茂忠 | Novel efficient generator |
| CN110138118A (en) * | 2018-08-27 | 2019-08-16 | 胡茂忠 | A kind of generator of novel efficient |
| JP2020054074A (en) * | 2018-09-26 | 2020-04-02 | 株式会社Ｍ−Ｔｅｃ | Rotary electric machine and cooling system of the same |
| CN111181300A (en) * | 2018-11-12 | 2020-05-19 | 合肥巨一动力系统有限公司 | Oil cooling structure of permanent magnet synchronous motor |
| US11309756B2 (en) | 2018-12-19 | 2022-04-19 | Lg Magna E-Powertrain Co., Ltd. | Motor |
| EP3672035A1 (en) | 2018-12-19 | 2020-06-24 | LG Electronics Inc. | Motor |
| CN109510402A (en) * | 2019-01-18 | 2019-03-22 | 中国第汽车股份有限公司 | A kind of used in new energy vehicles oil-cooled motor system |
| KR20200103454A (en) | 2019-02-25 | 2020-09-02 | 엘지전자 주식회사 | Motor |
| CN109936241A (en) * | 2019-03-27 | 2019-06-25 | 上海蔚来汽车有限公司 | Motor |
| CN111799951A (en) * | 2019-04-04 | 2020-10-20 | 采埃孚股份公司 | Device for liquid cooling of an electric machine |
| CN112448524A (en) * | 2019-08-31 | 2021-03-05 | 比亚迪股份有限公司 | Motor and vehicle |
| CN112448524B (en) * | 2019-08-31 | 2023-08-08 | 比亚迪股份有限公司 | Motor and vehicle |
| CN111564927A (en) * | 2020-05-18 | 2020-08-21 | 珠海格力电器股份有限公司 | Hollow shaft sealing ring, hollow shaft, rotor structure, motor and electric automobile |
| WO2022121549A1 (en) * | 2020-12-11 | 2022-06-16 | 合肥巨一动力系统有限公司 | Three-in-one oil cooling electric driving structure |
| CN113162300A (en) * | 2021-04-28 | 2021-07-23 | 中国第一汽车股份有限公司 | Motor cooling system, motor and vehicle |
| CN113162300B (en) * | 2021-04-28 | 2023-04-14 | 中国第一汽车股份有限公司 | Motor cooling system, motor and vehicle |
| CN114337013A (en) * | 2021-12-08 | 2022-04-12 | 岚图汽车科技有限公司 | Oil-cooled motor and vehicle |
| CN114552892A (en) * | 2022-03-01 | 2022-05-27 | 臻驱科技（上海）有限公司 | Oil-cooled driving motor and assembling method thereof |
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