CN204858880U - Cooling system and cold motor of oil of cold motor of oil - Google Patents
Cooling system and cold motor of oil of cold motor of oil Download PDFInfo
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- CN204858880U CN204858880U CN201520537263.6U CN201520537263U CN204858880U CN 204858880 U CN204858880 U CN 204858880U CN 201520537263 U CN201520537263 U CN 201520537263U CN 204858880 U CN204858880 U CN 204858880U
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Abstract
The utility model provides a cooling system and cold motor of oil of cold motor of oil, this cooling system includes the casing, the end cover, stator module, rotor and pivot, form airtight cavity between casing and the end cover, be provided with the oil inlet with airtight cavity intercommunication on the casing, be provided with the sealed oil duct of cooling between casing and the stator module, the one end and the oil inlet intercommunication of the sealed oil duct of cooling, the other end communicates with the oil groove that forms on the casing, be equipped with the inlet port in the end cover, the one end and the oil groove intercommunication of inlet port, the other end communicates at the inside hole of pivot with formation, be provided with first oil -out in the pivot, the one end and the hole intercommunication of first oil -out, the other end communicates with the hydraulic fluid port that sets up in the rotor, hydraulic fluid port and airtight cavity intercommunication, be provided with the second oil -out with airtight cavity intercommunication on the casing. The utility model discloses a cooling system, stator module, rotor have mobile coolant oil to cool off, have improved the work efficiency of motor, have promoted the reliability under the high -speed operating mode of motor.
Description
Technical field
The utility model relates to motor cooling technology field, particularly relates to a kind of cooling system and oil-cooled motor of oil-cooled motor.
Background technology
The Chinese patent application that publication number is " CN102934334A " provides a kind of electromotor cooling system, in this electromotor cooling system, rotor assembly can comprise multiple rotor pack, and rotor pack comprises at least one first hole that the part through rotor pack is located.First hole can form at least one magnet passage when rotor assembly is assembled substantially.At least one permanent magnet can be positioned in each magnet passage, and forms at least one first coolant channel when rotor assembly is assembled.Stator module comprises stator end turns, and stator end turns has the effect of leading to cooling agent.
Although above-mentioned electromotor cooling system can reach the good cooling effect of motor, but for pot motor, do not meet rotor high-speed to operate the manufacturability requirement that will reach, and there are its overall matching requirements of motor of this type of type motor cooling system and sealing requirements higher.In addition, stator module needs to make the stator end turns that can lead to cooling agent, like this, must increase the manufacture difficulty of stator module.
In addition, above-mentioned electromotor cooling system just uses cold oil in the whole inside cavity of motor, can not be cooled to the bound fraction of internal rotor and stator and casing, can not solve the heat dissipation problem of rotor very well.Further, above-mentioned electromotor cooling system does not also reach the cooling requirements of needs for the oil-cooled motor run up, and the functional reliability under motor high-speed working condition is poor.
Utility model content
Technical problem to be solved in the utility model is the defect that can not solve the heat dissipation problem of rotor for existing electromotor cooling system structure very well, provides a kind of cooling system of oil-cooled motor.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of cooling system of oil-cooled motor is provided, comprise casing, end cap, stator module, rotor and rotating shaft, airtight cavity is formed between described casing and end cap, described casing is provided with the oil-in be communicated with described airtight cavity, coolant seal oil duct is provided with between described casing and stator module, one end of described coolant seal oil duct is communicated with described oil-in, the other end is communicated with the oil groove formed on the housing, fuel feed hole is provided with in described end cap, one end of described fuel feed hole is communicated with described oil groove, the other end is communicated with the endoporus being formed in described rotating shaft inside, described rotating shaft is provided with the first oil-out, one end of described first oil-out is communicated with described endoporus, the other end is communicated with the hydraulic fluid port be arranged in described rotor, described hydraulic fluid port is communicated with described airtight cavity, described casing is provided with the second oil-out be communicated with described airtight cavity.
Further, described casing is provided with and is communicated with oil storage tank between described airtight cavity and the second oil-out, on the inwall that described oil storage tank is arranged on described casing or outer wall.
Further, described casing is provided with the oil vessel be communicated with between described airtight cavity and the second oil-out.
Further, the cooling system of described oil-cooled motor also comprise be arranged on described rotor near described end cap one end first every magnetic baffle plate, described first is provided with the first inner oil sump and the first outer oil sump on magnetic baffle plate; One end of described first inner oil sump is communicated with the first oil-out in described rotating shaft, and the other end is communicated with one end of the close described end cap of the hydraulic fluid port in described rotor; One end away from described end cap of described hydraulic fluid port is communicated with described airtight cavity.
Further, the cooling system of described oil-cooled motor also comprise be arranged on the described rotor other end second every magnetic baffle plate, described second is provided with the second inner oil sump and the second outer oil sump on magnetic baffle plate; Described first inner oil sump and the second outer oil sump are communicated with the two ends of a hydraulic fluid port in described rotor, and described first outer oil sump and the second inner oil sump are communicated with the two ends of another hydraulic fluid port in described rotor.
Further, described first outer oil sump and the second outer oil sump are communicated with the gap between described stator module and rotor.On the position that cold oil can be made like this to get rid of combine with rotor at stator module, and cool stator module and rotor further.
Further, described hydraulic fluid port edge is parallel to the through described rotor of rectilinear direction of the axis of described rotor.
Further, the upper end inwall of described casing is formed with clutch shaft bearing seat, described clutch shaft bearing seat sidewall is provided with the first mistake hydraulic fluid port be communicated with described airtight cavity; The inwall of described end cap is formed with the second bearing pedestal, described second bearing pedestal sidewall is provided with the second mistake hydraulic fluid port be communicated with described airtight cavity.
Further, described oil-in and the second oil-out are separately positioned on the opposite side in described casing radial direction, and described oil groove and the second oil-out are arranged on the same side in described casing radial direction.
Further, described casing is provided with two oil-ins be communicated with described airtight cavity, described two oil-ins are communicated with by a middle oil groove, two-way coolant seal oil duct is provided with between described casing and stator module, described casing is provided with two oil grooves, described two oil-ins are communicated with described two oil grooves respectively by two-way coolant seal oil duct.By two-way coolant seal oil duct, the better cooling effect of stator module can be realized.
According to the cooling system of oil-cooled motor of the present utility model, endoporus and the first oil-out are offered in rotating shaft inside, and one end of the first oil-out is communicated with endoporus, and the other end is communicated with the hydraulic fluid port be arranged in rotor, well solve the heat dissipation problem of rotor.Meanwhile, coolant seal oil duct is set between casing and stator module, greatly reduces the heat of stator exterior.Like this, stator module, rotor have the cold oil of flowing to cool, and improve the operating efficiency of motor, improve the functional reliability of motor under high-speed working condition.
In addition, the utility model additionally provides a kind of oil-cooled motor, and it comprises the cooling system of above-mentioned oil-cooled motor.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the oil-cooled motor that the utility model one embodiment provides;
Fig. 2 is the cutaway view along A-A direction in Fig. 1;
Fig. 3 is the internal structure schematic diagram of its casing of oil-cooled motor that the utility model one embodiment provides;
Fig. 4 be the oil-cooled motor that provides of the utility model one embodiment its first every magnetic baffle plate or second every the structural representation of magnetic baffle plate.
Reference numeral in Figure of description is as follows:
1, casing; 2, oil-in; 3, end cap; 4, stator module; 5, rotor; 6, rotating shaft; 7, bearing; 8, the first oil-out; 9, fuel feed hole; 10, bearing; 13, endoporus; 14, first every magnetic baffle plate; 141, the first inner oil sump; 142, the first outer oil sump; 15, hydraulic fluid port; 17, coolant seal oil duct; 18, flat key; 19, oil groove; 20, oil storage tank; 21, the second oil-out; 22, middle oil groove; 23, first hydraulic fluid port is crossed; 24, second every magnetic baffle plate; 241, the second inner oil sump; 242, the second outer oil sump; 25, clutch shaft bearing seat; 26, the second bearing pedestal; 100, seal chamber.
Embodiment
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are described in further detail the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 4, the cooling system of the oil-cooled motor that the utility model one embodiment provides comprises casing 1, end cap 3, stator module 4, rotor 5 and rotating shaft 6, airtight cavity 100 is formed between described casing 1 and end cap 3, described casing 1 is provided with the oil-in 2 be communicated with described airtight cavity 100, coolant seal oil duct 17 is provided with between described casing 1 and stator module 4, described stator module 4 adopts interference fit to fix with the inner surface of described casing 1 and seals coolant seal oil duct 17, then adopts a flat key 18 to locate.
As shown in Figure 1, described end cap 3 is rotatably assorted by bearing 7 with the rotating shaft 6 interted in the middle part of rotor 5, and described casing 1 is rotatably assorted by bearing 14 with rotating shaft 6, like this, rotating shaft 6 can be rotated by rotor driven 5 relative stator assembly 4.
As shown in Figure 1, one end of described coolant seal oil duct 17 is communicated with described oil-in 2, the other end is communicated with the oil groove 19 be formed on described casing 1, a long fuel feed hole 9 is provided with in described end cap 3, one end of described fuel feed hole 9 is communicated with described oil groove 19, the other end is communicated with the endoporus 13 being formed in described rotating shaft 6 inside, and axial one end of described oil groove 19 extends to the matching trim place of casing 1 and end cap 3.
As shown in Figure 1, described rotating shaft 6 be provided with the first oil-out 8 radially extended, one end of described first oil-out 8 is communicated with described endoporus 13, the other end is communicated with the hydraulic fluid port 15 be arranged in described rotor 5, described hydraulic fluid port 15, along the through described rotor 5 of rectilinear direction of the axis being parallel to described rotor 5, enables cold oil arrive the inside of rotor punching through the endoporus of rotating shaft 6.Described hydraulic fluid port 15 is communicated with described airtight cavity 100, described casing 1 is provided with the second oil-out 21 be communicated with described airtight cavity 100.In the present embodiment, as shown in Figure 1, described oil-in 2 and the second oil-out 21 are separately positioned on the opposite side in described casing radial direction, and described oil groove 19 and the second oil-out 21 are arranged on the same side in described casing 1 radial direction.Like this, the cold oil entered by oil-in 2 can flow through the whole periphery of stator module 4, the good cooling results of stator module.
In the present embodiment, as shown in Figure 1, described casing 1 is provided with two oil-feeds 2 mouthfuls be communicated with described airtight cavity 100, described two oil-ins 2 are communicated with by a middle oil groove 22, two-way coolant seal oil duct 17 is provided with between described casing 1 and stator module 4, described casing 1 is provided with two oil grooves 19, described two oil-ins 2 are communicated with described two oil grooves 19 respectively by two-way coolant seal oil duct 17.By two-way coolant seal oil duct 17, stator module 4 better cooling effect can be realized.
One of them of two oil-ins 2 is connected with oil feed pump by pipeline, and the cold oil that oil feed pump pumps enters motor internal by oil-in 2, cools motor.Oil feed pump can be gear pump, vane pump or other forms of oil pump.Oil feed pump need keep certain fuel supply flow rate and charge oil pressure.
In the present embodiment, as shown in Figures 1 and 2, described casing 1 is provided with the oil storage tank 20 be communicated with between described airtight cavity 100 and the second oil-out 21, described oil storage tank 20 is arranged on the inwall of described casing 1.
Certainly, in other embodiments, described oil storage tank 20 also can be arranged on the outer wall of described casing 1.
Certainly, in other embodiments, described oil storage tank also can be replaced by an oil vessel be communicated with between described airtight cavity and the second oil-out.
In the present embodiment, as shown in Fig. 1 and Fig. 4, the cooling system of described oil-cooled motor also comprise be arranged on described rotor 5 near described end cap 3 one end first every magnetic baffle plate 14, described first is provided with the first inner oil sump 141 and the first outer oil sump 142 on magnetic baffle plate 14; One end of described first inner oil sump 141 is communicated with the first oil-out 8 in described rotating shaft 6, and the other end is communicated with one end of the close described end cap 3 of the hydraulic fluid port 15 in described rotor 5; One end away from described end cap 3 of described hydraulic fluid port 15 is communicated with described airtight cavity 100.Like this, cold oil can be cooled by the first oil-out 8, first inner oil sump 141 and hydraulic fluid port 15 pairs of rotors 5 successively.
In the present embodiment, as shown in Fig. 1 and Fig. 4, the cooling system of described oil-cooled motor also comprise be arranged on the described rotor other end second every magnetic baffle plate 24, described second is provided with the second inner oil sump 241 and the second outer oil sump 242 on magnetic baffle plate 24, the direction of the first oil-out 8 is corresponding with the first inner oil sump 141 and the second inner oil sump 142, and namely the first inner oil sump 141 and the second inner oil sump 142 are arranged every the radial direction of magnetic baffle plate 24 along first every magnetic baffle plate 14 and second respectively; Described first inner oil sump 141 and the second outer oil sump 242 are communicated with the two ends of a hydraulic fluid port 15 (being positioned at the hydraulic fluid port of top in Fig. 1) in described rotor 5, and described first outer oil sump 142 and the second inner oil sump 241 are communicated with the two ends of another hydraulic fluid port 15 (hydraulic fluid port below in Fig. 1) in described rotor 5; Like this, being communicated with described airtight cavity 100 respectively by the second outer oil sump 242 and the first outer oil sump 142 of upper and lower two hydraulic fluid ports 15 in Fig. 1.
In the present embodiment, with reference to figure 1 and Fig. 4, described first every magnetic baffle plate 14 and second every magnetic baffle plate 24 structure and measure-alike, described first is along the circumferential direction evenly placed with three the first inner oil sumps 141 and three the first outer oil sumps 142 on magnetic baffle plate 14, i.e. three the first inner oil sumps 141 and three the first outer oil sump 142 120 degree, interval arrangements respectively; Accordingly, described first is along the circumferential direction evenly placed with three the second inner oil sumps 241 and three the second outer oil sumps 242 on magnetic baffle plate 24, i.e. three the second inner oil sumps 241 and three the second outer oil sump 242 120 degree, interval arrangements respectively.
More preferably, as shown in Figure 4, three the first inner oil sumps 141 and three the first outer oil sumps 142 between two relatively, and are a linear array.Equally, three the second inner oil sumps 241 and three the second outer oil sumps 242 between two relatively, and are a linear array.
In rotating shaft 6, the quantity of the first oil-out 8 is identical with the quantity of the hydraulic fluid port 15 in rotor, and the quantity of the first oil-out 8 equals the summation of the first inner oil sump 14 and the second inner oil sump 24, namely one first inner oil sump 14 or the second inner oil sump 24 are often set, correspondence is provided with one first oil-out 8.
In the present embodiment, as shown in Figure 1, described first outer oil sump 142 and the second outer oil sump 242 are communicated with the gap between described stator module 4 and rotor 5.On the position that cold oil can be made like this to get rid of combine with rotor at stator module, and cool stator module and rotor further.
In the present embodiment, as shown in Figures 1 and 3, the upper end inwall of described casing 1 is formed with clutch shaft bearing seat 25, described clutch shaft bearing seat 25 sidewall is provided with the first mistake hydraulic fluid port 23 be communicated with described airtight cavity 100, like this, the cold oil in airtight cavity 100 can be crossed hydraulic fluid port 23 by first and enter the interior close sealing ring side of clutch shaft bearing seat 25 to lubricate the bearing 10 in clutch shaft bearing seat 25; In addition, described end cap 3 inwall is formed with the second bearing pedestal 26, described second bearing pedestal 26 sidewall is provided with the second mistake hydraulic fluid port (not indicating in figure) be communicated with described airtight cavity 100.Like this, the cold oil in airtight cavity 100 can be crossed hydraulic fluid port by second and enter the second interior close sealing ring side of bearing pedestal 26 to lubricate the bearing 7 in the second bearing pedestal 26.
According to the cooling system of the oil-cooled motor of the utility model above-described embodiment, endoporus and the first oil-out are offered in rotating shaft inside, one end of first oil-out is communicated with endoporus, and the other end is communicated with the hydraulic fluid port be arranged in rotor, well solves the heat dissipation problem of rotor.Meanwhile, coolant seal oil duct is set between casing and stator module, greatly reduces the heat of stator exterior.Like this, stator module, rotor have the cold oil of flowing to cool, and improve the operating efficiency of motor, improve the functional reliability of motor under high-speed working condition.
In addition, as shown in Figure 1, the utility model one embodiment still provides a kind of oil-cooled motor, and it comprises the cooling system of above-mentioned oil-cooled motor.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (11)
1. the cooling system of an oil-cooled motor, it is characterized in that, comprise casing, end cap, stator module, rotor and rotating shaft, airtight cavity is formed between described casing and end cap, described casing is provided with the oil-in be communicated with described airtight cavity, coolant seal oil duct is provided with between described casing and stator module, one end of described coolant seal oil duct is communicated with described oil-in, the other end is communicated with the oil groove formed on the housing, fuel feed hole is provided with in described end cap, one end of described fuel feed hole is communicated with described oil groove, the other end is communicated with the endoporus being formed in described rotating shaft inside, described rotating shaft is provided with the first oil-out, one end of described first oil-out is communicated with described endoporus, the other end is communicated with the hydraulic fluid port be arranged in described rotor, described hydraulic fluid port is communicated with described airtight cavity, described casing is provided with the second oil-out be communicated with described airtight cavity.
2. the cooling system of oil-cooled motor according to claim 1, is characterized in that, described casing is provided with and is communicated with oil storage tank between described airtight cavity and the second oil-out, on the inwall that described oil storage tank is arranged on described casing or outer wall.
3. the cooling system of oil-cooled motor according to claim 1, is characterized in that, described casing is provided with the oil vessel be communicated with between described airtight cavity and the second oil-out.
4. the cooling system of oil-cooled motor according to claim 1, it is characterized in that, the cooling system of described oil-cooled motor also comprise be arranged on described rotor near described end cap one end first every magnetic baffle plate, described first is provided with the first inner oil sump and the first outer oil sump on magnetic baffle plate; One end of described first inner oil sump is communicated with the first oil-out in described rotating shaft, and the other end is communicated with one end of the close described end cap of the hydraulic fluid port in described rotor; One end away from described end cap of described hydraulic fluid port is communicated with described airtight cavity.
5. the cooling system of oil-cooled motor according to claim 4, it is characterized in that, the cooling system of described oil-cooled motor also comprise be arranged on the described rotor other end second every magnetic baffle plate, described second is provided with the second inner oil sump and the second outer oil sump on magnetic baffle plate; Described first inner oil sump and the second outer oil sump are communicated with the two ends of a hydraulic fluid port in described rotor, and described first outer oil sump and the second inner oil sump are communicated with the two ends of another hydraulic fluid port in described rotor.
6. the cooling system of oil-cooled motor according to claim 5, is characterized in that, described first outer oil sump and the second outer oil sump are communicated with the gap between described stator module and rotor.
7. the cooling system of oil-cooled motor according to claim 1, is characterized in that, described hydraulic fluid port edge is parallel to the through described rotor of rectilinear direction of the axis of described rotor.
8. the cooling system of oil-cooled motor according to claim 1, is characterized in that, the upper end inwall of described casing is formed with clutch shaft bearing seat, described clutch shaft bearing seat sidewall is provided with the first mistake hydraulic fluid port be communicated with described airtight cavity; The inwall of described end cap is formed with the second bearing pedestal, described second bearing pedestal sidewall is provided with the second mistake hydraulic fluid port be communicated with described airtight cavity.
9. the cooling system of oil-cooled motor according to claim 1, is characterized in that, described oil-in and the second oil-out are separately positioned on the opposite side in described casing radial direction, and described oil groove and the second oil-out are arranged on the same side in described casing radial direction.
10. the cooling system of the oil-cooled motor according to claim 1-9 any one, it is characterized in that, described casing is provided with two oil-ins be communicated with described airtight cavity, described two oil-ins are communicated with by a middle oil groove, two-way coolant seal oil duct is provided with between described casing and stator module, described casing is provided with two oil grooves, described two oil-ins are communicated with described two oil grooves respectively by two-way coolant seal oil duct.
11. 1 kinds of oil-cooled motors, is characterized in that, comprise the cooling system of the oil-cooled motor described in claim 1-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520537263.6U CN204858880U (en) | 2015-07-22 | 2015-07-22 | Cooling system and cold motor of oil of cold motor of oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520537263.6U CN204858880U (en) | 2015-07-22 | 2015-07-22 | Cooling system and cold motor of oil of cold motor of oil |
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| CN204858880U true CN204858880U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520537263.6U Active CN204858880U (en) | 2015-07-22 | 2015-07-22 | Cooling system and cold motor of oil of cold motor of oil |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941297A (en) * | 2017-03-22 | 2017-07-11 | 安徽易威斯新能源科技股份有限公司 | A kind of electric automobile automobile drive electric motor |
| CN108933497A (en) * | 2017-05-24 | 2018-12-04 | 明程电机技术（深圳）有限公司 | cooling motor |
| CN109327113A (en) * | 2018-10-29 | 2019-02-12 | 深圳市泉胜新技术开发有限公司 | A kind of oil-cooled motor cooling device |
| CN110086296A (en) * | 2019-06-11 | 2019-08-02 | 苏州朗高电机有限公司 | A kind of cold permanent magnet synchronous motor of high efficient oil |
| CN110138145A (en) * | 2019-06-11 | 2019-08-16 | 苏州朗高电机有限公司 | A kind of water cooling and the oily cold permanent magnet synchronous motor combined |
| CN110768460A (en) * | 2019-11-27 | 2020-02-07 | 珠海凯邦电机制造有限公司 | A motor and commodity circulation car for driving commodity circulation car |
| CN110932475A (en) * | 2019-11-20 | 2020-03-27 | 东风电驱动系统有限公司 | Oil-cooled motor |
| CN112383171A (en) * | 2020-10-13 | 2021-02-19 | 速珂智能科技（上海）有限公司 | Oil-cooling heat dissipation type electric vehicle motor |
| CN113612322A (en) * | 2021-10-08 | 2021-11-05 | 天津市松正电动汽车技术股份有限公司 | Oil-cooled motor heat radiation structure and motor |
| CN114257007A (en) * | 2021-12-29 | 2022-03-29 | 苏州汇川联合动力系统有限公司 | Rotor and motor structure |
| CN114337013A (en) * | 2021-12-08 | 2022-04-12 | 岚图汽车科技有限公司 | Oil-cooled motor and vehicle |
| CN116247876A (en) * | 2023-03-23 | 2023-06-09 | 江苏永续动力科技有限公司 | Oil-cooled variable pitch motor structure |
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2015
- 2015-07-22 CN CN201520537263.6U patent/CN204858880U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941297A (en) * | 2017-03-22 | 2017-07-11 | 安徽易威斯新能源科技股份有限公司 | A kind of electric automobile automobile drive electric motor |
| CN108933497A (en) * | 2017-05-24 | 2018-12-04 | 明程电机技术（深圳）有限公司 | cooling motor |
| CN109327113B (en) * | 2018-10-29 | 2023-12-26 | 深圳市泉胜新技术开发有限公司 | Oil cooling motor cooling device |
| CN109327113A (en) * | 2018-10-29 | 2019-02-12 | 深圳市泉胜新技术开发有限公司 | A kind of oil-cooled motor cooling device |
| CN110086296A (en) * | 2019-06-11 | 2019-08-02 | 苏州朗高电机有限公司 | A kind of cold permanent magnet synchronous motor of high efficient oil |
| CN110138145A (en) * | 2019-06-11 | 2019-08-16 | 苏州朗高电机有限公司 | A kind of water cooling and the oily cold permanent magnet synchronous motor combined |
| CN110138145B (en) * | 2019-06-11 | 2024-03-22 | 苏州朗高电机有限公司 | Water-cooling and oil-cooling combined permanent magnet synchronous motor |
| CN110086296B (en) * | 2019-06-11 | 2024-03-01 | 苏州朗高电机有限公司 | High-efficiency oil-cooled permanent magnet synchronous motor |
| CN110932475A (en) * | 2019-11-20 | 2020-03-27 | 东风电驱动系统有限公司 | Oil-cooled motor |
| CN110768460A (en) * | 2019-11-27 | 2020-02-07 | 珠海凯邦电机制造有限公司 | A motor and commodity circulation car for driving commodity circulation car |
| CN112383171A (en) * | 2020-10-13 | 2021-02-19 | 速珂智能科技（上海）有限公司 | Oil-cooling heat dissipation type electric vehicle motor |
| CN113612322A (en) * | 2021-10-08 | 2021-11-05 | 天津市松正电动汽车技术股份有限公司 | Oil-cooled motor heat radiation structure and motor |
| CN113612322B (en) * | 2021-10-08 | 2022-01-11 | 天津市松正电动汽车技术股份有限公司 | Oil-cooled motor heat radiation structure and motor |
| CN114337013A (en) * | 2021-12-08 | 2022-04-12 | 岚图汽车科技有限公司 | Oil-cooled motor and vehicle |
| CN114257007A (en) * | 2021-12-29 | 2022-03-29 | 苏州汇川联合动力系统有限公司 | Rotor and motor structure |
| CN116247876A (en) * | 2023-03-23 | 2023-06-09 | 江苏永续动力科技有限公司 | Oil-cooled variable pitch motor structure |
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