CN211508790U - Hydraulic pump type hub motor - Google Patents
Hydraulic pump type hub motor Download PDFInfo
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- CN211508790U CN211508790U CN202020325966.3U CN202020325966U CN211508790U CN 211508790 U CN211508790 U CN 211508790U CN 202020325966 U CN202020325966 U CN 202020325966U CN 211508790 U CN211508790 U CN 211508790U
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Abstract
A hydraulic pump type hub motor relates to wheel power transmission of electric motorcycles and electric bicycles. It includes motor and wheel hub steel ring. The key technology is that a first oil chamber is formed by a space formed after a left motor cover, a right motor cover and a rotor are fixedly connected, a first circulation heat dissipation cover is fixedly installed on the left side of the left motor cover through an iron ring, the iron ring is fixedly connected with the left end of a wheel hub steel ring, and a second oil chamber is formed by the space formed by the left motor cover, the first circulation heat dissipation cover, the iron ring, the wheel hub steel ring and the rotor; the first oil chamber and the second oil chamber form a liquid oil heat dissipation circulating system, and the first oil chamber and the second oil chamber are communicated through oil holes. The utility model has the advantages that: it is different from the need of oil pump or other pump type parts when realizing the liquid circulation function of current power machine, and the utility model discloses need not just can reach no dead angle full coverage and last stable liquid circulation heat dissipation purpose with any oil pump or other pump type parts.
Description
Technical Field
A hydraulic pump type hub motor belongs to the technical field of wheel power transmission, and particularly relates to wheel power transmission of an electric motorcycle and an electric bicycle.
Background
For more than 20 years, the electric vehicle is basically not improved and innovated in the aspects of motor and power, particularly in the aspect of heat dissipation of the motor depending on survival, and still has an original heat dissipation mode only by air. According to the working principle of the motor, the resistance of the motor winding is increased when the motor runs at an over-temperature, so that the torque of a magnetic field is reduced, the efficiency of the motor and the performance of the whole machine are reduced, and meanwhile, the energy waste is increased. The air heat dissipation mode only has higher working efficiency under the rated load condition of a plain road, and the motor can run at an over-temperature condition outside the condition, namely, on about 70% of the road surface outside the plain according to geographical distribution, particularly in summer or in a load, especially in hills and mountainous areas, the conditions of quick temperature rise and high temperature can occur, the motor and the controller are easily burnt out, the service lives of the battery and the motor are greatly shortened, and the use range of the electric vehicle is limited.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a liquid, air dual cooling system to above shortcoming and not enough. The technical scheme is as follows:
the motor comprises a motor and a hub steel ring, wherein the motor comprises a motor shaft, a stator and a rotor, the stator is fixed on the motor shaft, the rotor is sleeved on the stator, an outer ring of the rotor is fixedly connected with the hub steel ring, and two ends of the rotor are fixedly connected with a left motor cover and a right motor cover respectively. The key technology is that a first oil chamber is formed by a space formed after a left motor cover, a right motor cover and a rotor are fixedly connected, a first circulation heat dissipation cover is fixedly installed on the left side of the left motor cover through an iron ring, the iron ring is fixedly connected with the left end of a wheel hub steel ring, and a second oil chamber is formed by the space formed by the left motor cover, the first circulation heat dissipation cover, the iron ring, the wheel hub steel ring and the rotor; the first oil chamber and the second oil chamber form a liquid oil heat dissipation circulating system, and the first oil chamber and the second oil chamber are communicated through oil holes.
Or the hydraulic pump type wheel hub motor comprises a motor and a wheel hub steel ring, the motor comprises a motor shaft, a stator and a rotor, the stator is fixed on the motor shaft, the rotor is sleeved on the stator, and two ends of the rotor are fixedly connected with a motor left cover and a motor right cover respectively. The key technology is that a space formed after a motor left cover, a motor right cover and a rotor are fixedly connected forms a first oil chamber; an iron ring is sleeved on the rotor, the iron ring is fixedly connected with a wheel hub steel ring, an expanded left cover is arranged on a left motor cover, an expanded right cover is arranged on a right motor cover, two ends of the iron ring are fixedly connected with the expanded left cover and the expanded right cover respectively, first circulation heat dissipation covers are arranged on the left sides of the left motor cover and the expanded left cover, and a space formed by the left motor cover, the expanded left cover and the first circulation heat dissipation covers forms a second oil cavity; a second circulation heat dissipation cover is arranged on the right side of the right motor cover and the right expansion cover, and a space formed by the right motor cover, the right expansion cover and the second circulation heat dissipation cover forms a fourth oil chamber; a space formed by the rotor, the expanded left cover, the iron ring and the expanded right cover forms a third oil chamber; the first oil chamber, the second oil chamber, the third oil chamber and the fourth oil chamber form a liquid oil heat dissipation circulating system, and the chambers are communicated through oil holes.
Or the hydraulic pump type wheel hub motor comprises a motor and a wheel hub steel ring, the motor comprises a motor shaft, a stator and a rotor, the stator is installed on the motor shaft, the rotor is sleeved on the stator, and two ends of the rotor are fixedly connected with a motor left cover and a motor right cover respectively. The key technology is that a space formed after a motor left cover, a motor right cover and a rotor are fixedly connected forms a first oil chamber; an iron ring is sleeved on the rotor, the iron ring is fixedly connected with a wheel hub steel ring, a left wheel hub cover and a right wheel hub cover are fixedly connected to two ends of the iron ring respectively, the left motor cover is fixedly connected with the left wheel hub cover, a space formed by the left motor cover, the left wheel hub cover, the iron ring, the right wheel hub cover, the right motor cover and the rotor forms a fifth oil cavity, the fifth oil cavity and the first oil cavity form a liquid oil heat dissipation circulation system, and the cavities are communicated through oil holes.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. it is different from the existing power machine (including internal combustion engine) and need oil pump or other pump type parts when realizing the liquid circulation function, and the utility model discloses do not need any oil pump or other pump type parts just can reach no dead angle full coverage and last stable liquid circulation heat dissipation purpose.
2. The utility model discloses use an insulating lubricated liquid oil directly to spout and water and produce thermal source position (motor winding and stator steel sheet) department at the motor acting, the liquid oil that will carry the temperature again after pressure and the air current cooling that the rotation part operation formed in the motor sprays on wheel hub intracavity wall, and the in-process motor still does not receive the oil to hinder the influence moreover, and last wheel is gone and is cooled off comprehensively in the air, has gained liquid oil heat transfer, radiating good effect.
3. The utility model discloses given a good low temperature operating condition of electric motor car motor, made best efficiency of electric motor car performance and performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a left cover of the motor of the present invention;
FIG. 3 is a schematic view of the assembled three-dimensional structure of the present invention;
FIG. 4 is another schematic structural diagram of the present invention;
fig. 5 is another schematic perspective view of the left cover of the motor of the present invention;
fig. 6 is another schematic perspective view of the right cover of the motor of the present invention;
FIG. 7 is a schematic view of another assembled perspective structure of the present invention;
fig. 8 is a schematic view of another structure of the present invention;
fig. 9 is a schematic view of another assembled three-dimensional structure of the present invention.
Detailed Description
Example 1:
referring to fig. 1-3, the utility model discloses a motor and wheel hub steel ring 1, the motor includes motor shaft 17, stator 15 and rotor 2, stator 15 fixes on motor shaft 17, 2 suits of rotor are on stator 15, 2 outer lane of rotor links firmly with wheel hub steel ring 1, 2 both ends of rotor link firmly motor left side lid 10 and motor right side lid 18 respectively, be equipped with brake hub 16 on the motor right side lid 18, lay motor winding 13 on the stator 15, be equipped with magnetic steel sheet 14 between rotor 2 and stator 15, motor line 11 is drawn forth in the axle hole on the left side of motor shaft 17. The key technology is that a first oil chamber 19 is formed by a space formed after the left motor cover 10, the right motor cover 18 and the rotor 2 are fixedly connected, a first circulation heat dissipation cover 7 is fixedly installed on the left side of the left motor cover 10 through an iron ring 4, the iron ring 4 is fixedly connected with the left end of the wheel hub steel ring 1, and a second oil chamber 6 is formed by the space formed by the left motor cover 10, the first circulation heat dissipation cover 7, the iron ring 4, the wheel hub steel ring 1 and the rotor 2; the first oil chamber 19 and the second oil chamber 6 constitute a liquid oil heat dissipation circulation system, and the first oil chamber 19 and the second oil chamber 6 are communicated through oil holes.
The left end edge of the rotor 2 is provided with a plurality of first oil holes 3 which are communicated with the first oil chamber 19 and the second oil chamber 6.
The edge of the motor left cover 10 is provided with a plurality of second oil holes 5, the circumferential position of the motor left cover 10 close to the shaft hole is provided with a plurality of third oil holes 8, and the second oil holes 5 and the third oil holes 8 are communicated with the first oil chamber 19 and the second oil chamber 6.
And a first oil hole column 12 is arranged between the third oil holes 8, and the first oil hole column 12 is communicated with the first oil chamber 19 and used for oil filling or oil discharging.
The outer wall of the first circulation heat radiation cover 7 is provided with a plurality of heat radiation fins 9.
The working principle of the embodiment is as follows:
when the vehicle is static, the motor does not rotate, at the moment, the insulating liquid oil in the motor is in a static state, the oil plane is close to the third oil hole 8, the motor winding 13 at the lower end is soaked in the oil, and the oil volume is added according to a certain proportion according to the space size of the oil chamber. When a vehicle rides, the motor starts to rotate, liquid oil in the motor is rapidly diffused and filled into the second oil chamber 6 from the first oil chamber 19 through the first oil hole 3 and the second oil hole 5 under the driving of centrifugal force generated when the motor rotor 2 rotates, meanwhile, the oil amount in the first oil chamber 19 is reduced, so that the motor is not influenced by oil resistance, the faster the motor speed is, the faster the liquid oil flowing speed is, the more the filled oil amount is, when the motor reaches a certain rotating speed, the liquid oil in the second oil chamber 6 flows back to the first oil chamber 19 through the third oil hole 8 when the liquid oil is filled to a certain capacity, and the flow of the oil flowing back to the first oil chamber 19 can be adjusted by adjusting the distance between the third oil holes 8 or the size of the oil hole diameters. When the rotation speed of the motor is reduced to a certain rotation speed, the internal liquid oil can also flow back to the first oil chamber 19 from the second oil chamber 6 through the first oil hole 3, the second oil hole 5 and the third oil hole 8. The heat generated when the motor winding 13 works is absorbed and taken away continuously in the circulation way, and most of the heat is diffused into the air through the first circulation heat dissipation cover 7, so that the motor achieves the best heat dissipation effect, and the working efficiency of the whole machine is improved.
Example 2:
referring to fig. 4-7, the embodiment includes a motor and a wheel hub steel ring 1, the motor includes a motor shaft 17, a stator 15 and a rotor 2, the stator 15 is fixed on the motor shaft 17, the rotor 2 is sleeved on the stator 15, two ends of the rotor 2 are respectively and fixedly connected with a left motor cover 10 and a right motor cover 18, a brake hub 16 is arranged on the right motor cover 18, a motor winding 13 is arranged on the stator 15, a magnetic steel sheet 14 is arranged between the rotor 2 and the stator 15, and a motor wire 11 is led out from a shaft hole on the left side of the motor shaft 17. The key technology is that a space formed after the motor left cover 10, the motor right cover 18 and the rotor 2 are fixedly connected forms a first oil chamber 19; an iron ring 20 is sleeved on the rotor 2, the iron ring 20 is fixedly connected with the wheel hub steel ring 1, an expanded left cover 23 is arranged on the motor left cover 10, an expanded right cover 24 is arranged on the motor right cover 18, two ends of the iron ring 20 are fixedly connected with the expanded left cover 23 and the expanded right cover 24 respectively, a first circulation heat dissipation cover 7 is arranged on the left sides of the motor left cover 10 and the expanded left cover 23, and a space formed by the motor left cover 10, the expanded left cover 23 and the first circulation heat dissipation cover 7 forms a second oil chamber 6; a second circulation heat radiation cover 25 is fixedly arranged on the right sides of the motor right cover 18 and the expanded right cover 24, and a fourth oil chamber 27 is formed by a space formed by the motor right cover 18, the expanded right cover 24 and the second circulation heat radiation cover 25; a space formed by the rotor 2, the expanded left cover 23, the iron ring 20 and the expanded right cover 24 forms a third oil chamber 21; the first oil chamber 19, the second oil chamber 6, the third oil chamber 21 and the fourth oil chamber 27 constitute a liquid oil heat dissipation circulation system, and the chambers are communicated through oil holes.
The right end of the rotor 2 is provided with a plurality of fifth oil holes 28, and the first oil holes 3 and the fifth oil holes 28 are communicated with the first oil chamber 19 and the third oil chamber 21.
The extended left cover 23 is provided with a plurality of second oil holes 5, the motor right cover 18 is provided with a plurality of fourth oil holes 26, the extended right cover 24 is provided with a plurality of sixth oil holes 29, and the first oil chamber 19, the second oil chamber 6, the third oil chamber 21 and the fourth oil chamber 27 are communicated through the oil holes.
The outer wall of the first circulation heat dissipation cover 7 is provided with heat dissipation fins 9, second oil hole columns 22 are arranged between the heat dissipation fins 9, and the second oil hole columns 22 are communicated with the second oil chamber 6 and used for oil filling or oil discharging.
The working principle of the embodiment is as follows:
when the vehicle is static, the motor does not rotate, at the moment, the insulating liquid oil in the motor is in a static state, the oil plane is close to the third oil hole 8, the motor winding 13 at the lower end is soaked in the oil, and the oil volume is added according to a certain proportion according to the space size of the oil chamber. When the vehicle rides, the motor starts to rotate, liquid oil in the motor is rapidly diffused and filled into the third oil chamber 21 from the first oil chamber 19 through the first oil hole 3 and the fifth oil hole 28 under the driving of centrifugal force generated when the motor rotor 2 rotates, meanwhile, the oil amount in the first oil chamber 19 is reduced, so that the motor is not influenced by oil resistance, the higher the motor speed is, the higher the liquid oil flowing speed is, the more the filled oil amount is, when the motor reaches a certain rotating speed, the liquid oil in the third oil chamber 21 is filled to a certain capacity, the liquid oil is shunted to the second oil chamber 6 and the fourth oil chamber 27 through the second oil hole 5 and the sixth oil hole 29, and when the oil amount in the second oil chamber 6 and the fourth oil chamber 27 is increased to a certain capacity, the liquid oil flows back to the first oil chamber 19 from the third oil hole 8 and the fourth oil hole 26. The oil flow returning to the first oil chamber 19 can be adjusted by adjusting the distance between the third oil hole 8 and the fourth oil hole 26 or the size of the oil hole diameter. When the rotating speed of the motor is reduced to a certain rotating speed, the internal liquid oil can also flow back to the first oil chamber 19 from the second oil chamber 6, the third oil chamber 21 and the fourth oil chamber 27 through the third oil hole 8, the first oil hole 3, the fifth oil hole 28 and the fourth oil hole 26 respectively, so that heat generated during the work of the motor winding 13 is absorbed and taken away continuously in a circulating mode, most of the heat is diffused into the air through the first circulation heat dissipation cover 7 and the second circulation heat dissipation cover 25, the motor achieves the best heat dissipation effect, and the working efficiency of the whole machine is improved.
Example 3:
referring to fig. 8 and 9, the embodiment includes a motor and a wheel hub steel ring 1, the motor includes a motor shaft 17, a stator 15 and a rotor 2, the stator 15 is fixedly installed on the motor shaft 17, the rotor 2 is sleeved on the stator 15, two ends of the rotor 2 are fixedly connected with a left motor cover 10 and a right motor cover 18 respectively, a motor winding 13 is arranged on the stator 15, a magnetic steel sheet 14 is arranged between the rotor 2 and the stator 15, and a motor wire 11 is led out from a shaft hole on the left side of the motor shaft 17. The key technology is that a space formed after the motor left cover 10, the motor right cover 18 and the rotor 2 are fixedly connected forms a first oil chamber 19; an iron ring 20 is sleeved on the rotor 2, the iron ring 20 is fixedly connected with the hub steel ring 1, two ends of the iron ring 20 are fixedly connected with a left hub cover 30 and a right hub cover 31 respectively, the left motor cover 10 is fixedly connected with the left hub cover 30 and used for power direct drive transmission, a brake hub 16 is arranged on the right hub cover 31, a fifth oil cavity 32 is formed by the space formed by the left motor cover 10, the left hub cover 30, the iron ring 20, the right hub cover 31, the right motor cover 18 and the rotor 2, the fifth oil cavity 32 and the first oil cavity 19 form a liquid oil heat dissipation circulation system, and the cavities are communicated with each other through oil holes.
The outer wall of the hub left cover 30 is provided with a plurality of radiating fins 9, a second oil hole column 22 is arranged between the radiating fins 9, and the second oil hole column 22 is communicated with a fifth oil cavity 32 and used for oil filling or oil discharging.
The left end edge of the rotor 2 is provided with a first oil hole 3, the circumferential position of the motor left cover 10 close to the shaft hole is provided with a third oil hole 8, and the motor right cover 18 is provided with a fourth oil hole 26.
The working principle of the embodiment is as follows:
when the vehicle is static, the motor does not rotate, at the moment, the insulating liquid oil in the motor is in a static state, the oil plane is close to the third oil hole 8, the motor winding 13 at the lower end is soaked in the oil, and the oil volume is added according to a certain proportion according to the space size of the oil chamber. When a vehicle rides, the motor starts to rotate, liquid oil in the motor is rapidly diffused and filled into the fifth oil chamber 32 from the first oil chamber 19 through the first oil hole 3 and the fifth oil hole 28 under the driving of centrifugal force generated when the motor rotor 2 rotates, meanwhile, the oil amount in the first oil chamber 19 is reduced, so that the motor is not influenced by oil resistance, the higher the rotating speed of the motor is, the higher the flowing speed of the liquid oil is, the more the oil is filled, when the motor reaches a certain rotating speed, the liquid oil in the fifth oil chamber 32 is filled to a certain capacity, the liquid oil flows back to the first oil chamber 19 through the third oil hole 8 and the fourth oil hole 26, and the distance between the third oil hole 8 and the fourth oil hole 26 or the size of the oil hole diameter is adjusted, so that the size of the oil flow returning to the first oil chamber 19 can be. When the rotating speed of the motor is reduced to a certain rotating speed, the internal liquid oil can also flow back to the first oil chamber 19 from the fifth oil chamber 32 through the third oil hole 8, the first oil hole 3, the fifth oil hole 28 and the fourth oil hole 26, so that heat generated when the motor winding 13 works is absorbed and taken away continuously in a circulating manner, and is diffused to the air through the hub left cover 30 and the hub right cover 31, so that the motor achieves the optimal heat dissipation effect, and the working efficiency of the whole machine is improved.
Claims (10)
1. The utility model provides a hydraulic pump formula in-wheel motor, including motor and wheel hub steel ring (1), the motor includes motor shaft (17), stator (15) and rotor (2), stator (15) are fixed on motor shaft (17), rotor (2) suit is on stator (15), the outer lane of rotor (2) links firmly with wheel hub steel ring (1), rotor (2) both ends link firmly motor left side lid (10) and motor right side lid (18) respectively, characterized by motor left side lid (10), the space that forms after motor right side lid (18) and rotor (2) link firmly constitutes first oil cavity room (19), first circulation heat exchanger (7) of iron ring (4) fixed mounting is passed through in the left side of motor left side lid (10), iron ring (4) link firmly with the left end of wheel hub steel ring (1), motor left side lid (10), first circulation heat exchanger (7) and iron ring (4), wheel hub steel ring (1), The space formed by the rotor (2) constitutes a second oil chamber (6); the first oil chamber (19) and the second oil chamber (6) form a liquid oil heat dissipation circulation system, and the first oil chamber (19) is communicated with the second oil chamber (6) through oil holes.
2. The hydraulic pump type in-wheel motor as claimed in claim 1, wherein the edge of the left cover (10) of the motor is provided with a second oil hole (5).
3. A hydraulic pump type hub motor comprises a motor and a hub steel ring (1), wherein the motor comprises a motor shaft (17), a stator (15) and a rotor (2), the stator (15) is fixed on the motor shaft (17), the rotor (2) is sleeved on the stator (15), two ends of the rotor (2) are fixedly connected with a motor left cover (10) and a motor right cover (18) respectively, and the hydraulic pump type hub motor is characterized in that a first oil chamber (19) is formed by a space formed after the motor left cover (10), the motor right cover (18) and the rotor (2) are fixedly connected; an iron ring (20) is sleeved on a rotor (2), the iron ring (20) is fixedly connected with a wheel hub steel ring (1), an expanded left cover (23) is arranged on a motor left cover (10), an expanded right cover (24) is arranged on a motor right cover (18), two ends of the iron ring (20) are fixedly connected with the expanded left cover (23) and the expanded right cover (24) respectively, a first circulation heat dissipation cover (7) is arranged on the left sides of the motor left cover (10) and the expanded left cover (23), and a second oil chamber (6) is formed by a space formed by the motor left cover (10), the expanded left cover (23) and the first circulation heat dissipation cover (7); a second circulation heat dissipation cover (25) is arranged on the right sides of the motor right cover (18) and the extended right cover (24), and a fourth oil chamber (27) is formed by a space formed by the motor right cover (18), the extended right cover (24) and the second circulation heat dissipation cover (25); a space formed by the rotor (2), the expanded left cover (23), the iron ring (20) and the expanded right cover (24) forms a third oil chamber (21); the first oil chamber (19), the second oil chamber (6), the third oil chamber (21) and the fourth oil chamber (27) form a liquid oil heat dissipation circulation system, and the chambers are communicated through oil holes.
4. A hydraulic pump type in-wheel motor according to claim 3, characterized in that the right end of the rotor (2) is provided with a fifth oil hole (28).
5. The hydraulic pump type in-wheel motor according to claim 3, wherein the second oil hole (5) is formed on the left expansion cover (23), the fourth oil hole (26) is formed on the right motor cover (18), and the sixth oil hole (29) is formed on the right expansion cover (24).
6. A hydraulic pump type in-wheel motor according to claim 1 or 3, characterized in that the outer wall of the first circular heat radiation cover (7) is provided with cooling fins (9).
7. A hydraulic pump type hub motor comprises a motor and a hub steel ring (1), wherein the motor comprises a motor shaft (17), a stator (15) and a rotor (2), the stator (15) is installed on the motor shaft (17), the rotor (2) is sleeved on the stator (15), two ends of the rotor (2) are fixedly connected with a motor left cover (10) and a motor right cover (18) respectively, and the hydraulic pump type hub motor is characterized in that a first oil chamber (19) is formed by a space formed after the motor left cover (10), the motor right cover (18) and the rotor (2) are fixedly connected; the rotor structure comprises a rotor (2), an iron ring (20) is sleeved on the rotor (2), the iron ring (20) is fixedly connected with a hub steel ring (1), two ends of the iron ring (20) are fixedly connected with a left hub cover (30) and a right hub cover (31) respectively, a left motor cover (10) is fixedly connected with the left hub cover (30), a left motor cover (10), the left hub cover (30), the iron ring (20), the right hub cover (31), a right motor cover (18) and the rotor (2) form a space to form a fifth oil cavity (32), the fifth oil cavity (32) and the first oil cavity (19) form a liquid oil heat dissipation circulation system, and the cavities are communicated through oil holes.
8. A hydraulic pump type in-wheel motor according to claim 1, 2 or 3, characterized in that the first oil hole (3) is provided at the left end edge of the rotor (2).
9. The hydraulic pump type in-wheel motor according to claim 1, 2 or 3, wherein the motor left cover (10) is provided with a third oil hole (8) at a position close to the circumference of the shaft hole.
10. The hydraulic pump type in-wheel motor according to claim 7, wherein the outer wall of the left cover (30) of the wheel hub is provided with cooling fins (9), and the second oil hole columns (22) are arranged between the cooling fins (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020325966.3U CN211508790U (en) | 2020-03-16 | 2020-03-16 | Hydraulic pump type hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020325966.3U CN211508790U (en) | 2020-03-16 | 2020-03-16 | Hydraulic pump type hub motor |
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| Publication Number | Publication Date |
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| CN211508790U true CN211508790U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020325966.3U Active CN211508790U (en) | 2020-03-16 | 2020-03-16 | Hydraulic pump type hub motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794331A (en) * | 2021-09-10 | 2021-12-14 | 李绵军 | Oil-gas double-cooling motor |
| CN114204754A (en) * | 2022-02-22 | 2022-03-18 | 南昌三瑞智能科技有限公司 | Heat radiation structure of direct liquid cooling iron core and winding, outer rotor motor and aircraft |
-
2020
- 2020-03-16 CN CN202020325966.3U patent/CN211508790U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113794331A (en) * | 2021-09-10 | 2021-12-14 | 李绵军 | Oil-gas double-cooling motor |
| CN113794331B (en) * | 2021-09-10 | 2024-05-31 | 李绵军 | Oil-gas double-cooling motor |
| CN114204754A (en) * | 2022-02-22 | 2022-03-18 | 南昌三瑞智能科技有限公司 | Heat radiation structure of direct liquid cooling iron core and winding, outer rotor motor and aircraft |
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