CN110190713A - Dual-rotor direct cool electric machine - Google Patents
Dual-rotor direct cool electric machine Download PDFInfo
- Publication number
- CN110190713A CN110190713A CN201910606634.4A CN201910606634A CN110190713A CN 110190713 A CN110190713 A CN 110190713A CN 201910606634 A CN201910606634 A CN 201910606634A CN 110190713 A CN110190713 A CN 110190713A
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- Prior art keywords
- rotor
- stator
- winding
- assembly part
- internal
- 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
- 238000004804 winding Methods 0.000 claims abstract description 86
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000003381 stabilizer Substances 0.000 claims description 15
- 210000000481 breast Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 241000239290 Araneae Species 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
A kind of dual-rotor direct cool electric machine of technical field of motors, including external rotor assembly part, inner rotator assembly part and field frame assembly part, external rotor assembly part includes outer rotor bracket, outer rotor end plate, outer rotor iron core, outer rotor magnet steel, inner rotator assembly part includes motor shaft, internal rotor backing plate, internal rotor iron core, internal rotor magnetic steel, screw rod locking nut, and field frame assembly part includes stator winding outer cover, stator core, stator winding, fixing end, outage, oil inlet pipe, flowline, intermediate bulkhead.In the present invention, intermediate bulkhead is divide into upper part and lower part the oil pocket that winding, stator internal winding group are surrounded outside the right outer cover of stator winding, stator core, stator, and upper part oil pocket is connected with oil inlet pipe, and lower part oil pocket is connected with flowline.Stator of the invention is cold using directly oil, and winding solves the problems, such as to cause power density that can not do by traditional heat-dissipating bottleneck that big, motor cost is excessively high.
Description
Technical field
The present invention relates to a kind of double-rotor machine of technical field of motors, especially a kind of stator is cold using directly oil
Dual-rotor direct cool electric machine.
Background technique
Only one general stator of traditional motor and a rotor, either DC generator, synchronous machine or asynchronous machine,
All only one mechanical ports.In recent years, it is thus proposed that the concept of double-rotor machine, this motor tool there are two mechanical axis,
The independent transmitting of two mechanical axis energy may be implemented.This New-type electric machine is greatly reduced the volume and weight of equipment, mentions
High working efficiency, is well positioned to meet the requirement of energy conservation and speed regulation, has superior runnability, therefore, in many fields
There is good application prospect.Currently, there are many double-rotor machine type that many scientific research institutions are mentioned, although being all referred to as " double
Rotor electric machine ", but it is different in structure and principle.
In the prior art, some double-rotor machines also use the same mechanical axis, but it is relatively difficult to radiate, and power is close
Degree can not do big.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of dual-rotor direct cool electric machines, can effectively solve birotor electricity
The heat dissipation problem of machine.
The present invention is achieved through the following technical solutions, and the present invention includes external rotor assembly part, inner rotator
Assembly part and field frame assembly part；Outer rotor assembly part and inner rotator assembly part include iron core and magnet steel, magnet steel
It is arranged in iron core；Inner rotator assembly part further includes motor shaft, and outer rotor assembly part links together with motor shaft；It is fixed
Sub- assembly part include the left outside cover of stator winding, the outer winding of the right outer cover of stator winding, stator core, stator, stator internal winding group, in
Spacing board, stator core are annular structure, and the outer winding of stator internal winding group, stator is arranged in the interior outside of stator core,
Multiple outages are evenly arranged on the stator core between the outer winding of stator, stator internal winding group, and two intermediate bulkheads are arranged
At the bosom position of the right outer cover of stator winding；The left outside cover of stator winding, stator core, stator outer winding, stator internal winding group
Surround left side oil pocket, the outer winding of the right outer cover of stator winding, stator core, stator, stator internal winding group surround right side oil pocket, in two
Spacing board is divide into upper part and lower part right side oil pocket；Field frame assembly is partially disposed on the outer rotor assembly part and the inside
Between rotor assembly part.
Further, in the present invention, outer rotor assembly part further includes outer rotor bracket, outer rotor left side plate, outer turn
Sub- right end plate, outer rotor left side plate, outer rotor right end plate, outer rotor iron core are annular structure, outer rotor left side plate, outer turn
Sub- iron core, outer rotor right end plate are arranged in outer rotor bracket after being successively closely packed together.
Further, in the present invention, the outer rotor magnet steel of outer rotor assembly part is evenly arranged in outer rotor iron core
Inner wall, outer rotor magnet steel be arc-shaped；Outer rotor left side plate is identical as outer rotor right end plate structure.
Further, in the present invention, inner rotator assembly part further includes the left backing plate of internal rotor, the right pad of internal rotor
Plate, screw rod locking nut, motor shaft are stepped shaft structure, the left backing plate of internal rotor, the right backing plate of internal rotor, internal rotor iron core, screw rod
Locking nut is annular structure, and the left backing plate of internal rotor, internal rotor iron core, the right backing plate of internal rotor lead to after being successively closely packed together
Silk rolling stem jam nut links together with motor shaft.
Further, in the present invention, inner rotator assembly part further includes retaining ring, circlip groove, pin key, pin key slot,
Circlip groove, pin key slot are sequentially arranged in the left end of motor shaft, and outer rotor bracket is by being arranged in circlip groove, in pin key slot
Retaining ring, pin key and motor shaft link together；Motor shaft right end has torque output gear.
Further, in the present invention, the left backing plate of internal rotor, the right backing structure of internal rotor are identical, and internal rotor magnetic steel exists
It is arranged in internal rotor iron core in V-shape.
Further, in the present invention, field frame assembly part further includes oil inlet pipe, flowline, oil inlet pipe, flowline point
It is not arranged in the upper and lower side of the right outer cover right side wall of stator winding, oil inlet pipe is connected to right side oil pocket top split-phase, flowline and the right side
The connection of side oil pocket lower part split-phase.
Further, in the present invention, field frame assembly part further includes fixing end, cylinder stabilizer blade, threaded hole, cylinder branch
Foot, threaded hole are arranged in fixing end, and cylinder stabilizer blade through hole, the circle in fixing end are had in the right outer cover right wall of stator winding
After column stabilizer blade passes through the cylinder stabilizer blade through hole in the right outer cover right wall of stator winding, it is riveted together with stator core.
Further, in the present invention, field frame assembly part is fixed by the threaded hole in fixing end with motor housing
Together.
Further, in the present invention, it is had inside and outside two layers on the left outside cover of stator winding, the right outer cover of stator winding
Dentation sealing strip, gasket structure match with stator core construction.
Compared with prior art, the present invention has the advantages that are as follows: the present invention has rational design, clever structure, can be with
The heat dissipation problem for effectively solving double-rotor machine, improves the power of motor.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is external rotor assembly part main parts size schematic diagram of the present invention；
Fig. 4 is inner rotator assembly part main parts size schematic diagram of the present invention；
Fig. 5 is field frame assembly part of the present invention left end main parts size schematic diagram；
Fig. 6 is right end main parts size schematic diagram in field frame assembly part of the present invention；
Fig. 7 is that the invention shows the structural schematic diagrams of outage；
Fig. 8 is the structural schematic diagram of the right outer cover of stator winding of the present invention；
Wherein: 1, outer rotor bracket, 2, outer rotor left side plate do not have, 3, outer rotor right end plate, 4, outer rotor iron core, 5, outer turn
Sub- magnet steel, 6, motor shaft, 7, the left backing plate of internal rotor, 8, internal rotor iron core, 9, internal rotor magnetic steel, 10, the right backing plate of internal rotor, 11,
Screw rod locking nut, 12, retaining ring, 13, circlip groove, 14, pin key, 15, pin key slot, 16, the left outside cover of stator winding, 17, stator around
The right outer cover of group, 18, stator core, 19, the outer winding of stator, 20, stator internal winding group, 21, fixing end, 22, outage, 23, oil inlet
Pipe, 24, flowline, 25, intermediate bulkhead, 26, cylinder stabilizer blade, 27, threaded hole.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, before the present embodiment is with technical solution of the present invention
It mentions, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following embodiments.
Embodiment 1
Shown in specific embodiment Fig. 1 to Fig. 8, the present invention include external rotor assembly part, inner rotator assembly part and
Field frame assembly part；External rotor assembly part includes outer rotor bracket 1, outer rotor left side plate 2, outer rotor right end plate 3, outer turn
Sub- iron core 4, outer rotor magnet steel 5, outer rotor left side plate 2, outer rotor right end plate 3, outer rotor iron core 4 are annular structure, outside
Rotor left side plate 2, outer rotor iron core 4, outer rotor right end plate 3 are arranged in outer rotor bracket 1 after being successively closely packed together, outer to turn
Sub- magnet steel 5 is arranged in the inner wall of outer rotor iron core 4, and outer rotor magnet steel 5 is arc-shaped；Inner rotator assembly part includes motor
The left backing plate 7 of axis 6, internal rotor, internal rotor iron core 8, internal rotor magnetic steel 9, the right backing plate 10 of internal rotor, screw rod locking nut 11, retaining ring
12, circlip groove 13, pin key 14, pin key slot 15, motor shaft 6 be stepped shaft structure, the left backing plate 7 of internal rotor, the right backing plate 10 of internal rotor,
Internal rotor iron core 8, screw rod locking nut 11 are annular structure, the left backing plate 7 of internal rotor, internal rotor iron core 8, the right pad of internal rotor
Plate 10 is linked together by screw rod locking nut 11 with motor shaft 6 after being successively closely packed together, and internal rotor magnetic steel 9 is arranged in interior
It is arranged in rotor core 8 and in V-shape；Circlip groove 13, pin key slot 15 are sequentially arranged in the left end of motor shaft 6, outer rotor bracket 1
By being arranged in circlip groove 13, the retaining ring 12 in pin key slot 15, pin key 14 link together with motor shaft 6；Field frame assembly
Part includes the left outside cover 16 of stator winding, the right outer cover 17 of stator winding, stator core 18, stator outer winding 19, stator internal winding group
20, fixing end 21, outage 22, oil inlet pipe 23, flowline 24, intermediate bulkhead 25, cylinder stabilizer blade 26, threaded hole 27, outside stator
Winding 19, stator internal winding group 20 and stator core 18 link together, multiple outages 22 be evenly arranged in the outer winding 19 of stator,
On stator core 18 between stator internal winding group 20, intermediate bulkhead 25 is arranged in the bosom portion of the right outer cover 17 of stator winding
Position, oil inlet pipe 23, flowline 24 are arranged in the upper and lower side of right 17 right side wall of outer cover of stator winding, cylinder stabilizer blade 26, screw thread
Hole 27 is arranged in fixing end 21, has cylinder stabilizer blade through hole in right 17 right wall of outer cover of stator winding, stator winding is left outside
The outer winding 19 of cover 16, the right outer cover 17 of stator winding, stator core 18, stator, stator internal winding group 20 are arranged in after fitting together
Between inner rotator assembly part, external rotor assembly part；The left outside cover 16 of stator winding, stator core 18, the outer winding of stator
19, stator internal winding group 20 surrounds left side oil pocket, the right outer cover 17 of stator winding, stator core 18, stator outer winding 19, stator internal winding
Group 20 surrounds right side oil pocket, and intermediate bulkhead 25 is divide into upper part and lower part right side oil pocket, and upper part oil pocket is connected with oil inlet pipe 23
Logical, lower part oil pocket is connected with flowline 24；Cylinder stabilizer blade 26 in fixing end 21 passes through right 17 right wall of outer cover of stator winding
After cylinder stabilizer blade through hole on face, it is riveted together with stator core 18；Field frame assembly part passes through the spiral shell in fixing end 21
Pit 27 is fixed together with motor housing；Outer rotor left side plate 2 is identical as the structure of outer rotor right end plate 3, the left pad of internal rotor
Plate 7 is identical as the structure of the right backing plate 10 of internal rotor；Torque output gear is disposed in 6 right end of motor shaft；It is left outside in stator winding
Inside and outside two layers of dentation sealing strip, gasket structure and 18 structure phase of stator core are had on cover 16, the right outer cover 17 of stator winding
Matching.
In the implementation of the present invention, outer rotor left side plate 2, outer rotor right end plate 3, outer rotor iron core 4, outer rotor magnetic
Steel 5 is fixed in outer rotor bracket 1.The left backing plate 7 of internal rotor, internal rotor iron core 8, internal rotor magnetic steel 9, the right backing plate 10 of internal rotor,
Screw rod locking nut 11 links together with motor shaft 6.Outer rotor bracket 1 is by being arranged in circlip groove 13, pin key slot 15
Interior retaining ring 12, pin key 14 link together with motor shaft 6, and retaining ring 12, the starting of the external rotor field spider 1 of pin key 14 be fixed and positioning
Effect, such outer rotor bracket 1 can synchronous rotary with motor shaft 6.The left outside cover of stator winding 16, the right outer cover of stator winding
17, after the outer winding 19 of stator core 18, stator, stator internal winding group 20, fixing end 21 fit together, by fixing end 21
Threaded hole 27 is fixed together with motor housing.
Intermediate bulkhead 25 encloses the right outer cover 17 of stator winding, stator core 18, the outer winding 19 of stator, stator internal winding group 20
At right side oil pocket be divide into upper part and lower part, upper part oil pocket is connected with oil inlet pipe 23, lower part oil pocket and 24 phase of flowline
Connection；The left outside cover 16 of stator winding, stator core 18, the stator left side oil pocket that winding 19, stator internal winding group 20 are surrounded outside are
One whole oil pocket, is not separated into two parts up and down.Cooling oil first choice is entered the top of right side oil pocket by oil inlet pipe 23, and is passed through
The outage 22 of 18 upper end of stator core enters left side oil pocket；Then the oil of left side oil pocket passes through the oil extraction of 18 lower end of stator core
Hole 22 enters the lower part of right side oil pocket；Finally, the oil of the lower part of right side oil pocket is discharged by flowline 24, to be formed to motor
Cooling.
Embodiment 2
In embodiment 1, outage 22 is circular configuration, outage 22 can be designed as rectangle in the present embodiment
Structure.
In embodiment 1, oil inlet pipe 23, flowline 24 are arranged in the upper and lower of right 17 right side wall of outer cover of stator winding
End；In the present embodiment oil inlet pipe 23, flowline 24 position can according to space constraints carry out re-optimization, only
Upper part oil pocket is connected with oil inlet pipe 23, and lower part oil pocket is connected with flowline 24.
In embodiment 1, two intermediate bulkheads 25 are arranged in the bosom position of the right outer cover 17 of stator winding, do not have
The circumferentially distributed angle of upper lower oil cavitie is limited；It is analyzed according to the calculating of hydrodynamics and thermal conduction study, in the present embodiment may be used
The circumferentially distributed angle of upper oil cavitie is limited to 190 degree, i.e., upper oil cavitie is big, lower oil cavitie is small.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. a kind of dual-rotor direct cool electric machine, which is characterized in that including external rotor assembly part, inner rotator assembly part and determine
Sub- assembly part；
The outer rotor assembly part and inner rotator assembly part include iron core and magnet steel, and magnet steel is arranged in iron core；
The inner rotator assembly part further includes motor shaft, and outer rotor assembly part links together with motor shaft；
The field frame assembly part includes the left outside cover of stator winding, the outer winding of the right outer cover of stator winding, stator core, stator, determines
Winding, intermediate bulkhead in son, stator core are annular structure, and the outer winding of stator internal winding group, stator is arranged in stator iron
The interior outside of core, multiple outages are evenly arranged on the stator core between the outer winding of stator, stator internal winding group, two centres
Partition is arranged in the bosom position of the right outer cover of stator winding；The outer winding of the left outside cover of stator winding, stator core, stator,
Stator internal winding group surrounds left side oil pocket, and the outer winding of the right outer cover of stator winding, stator core, stator, stator internal winding group surround right side
Oil pocket, two intermediate bulkheads are divide into upper part and lower part right side oil pocket；
The field frame assembly is partially disposed between the outer rotor assembly part and the inner rotator assembly part.
2. dual-rotor direct cool electric machine according to claim 1, it is characterised in that the outer rotor assembly part further includes outer
Rotor field spider, outer rotor left side plate, outer rotor right end plate, outer rotor left side plate, outer rotor right end plate, outer rotor iron core are circle
Cyclic structure, outer rotor left side plate, outer rotor iron core, outer rotor right end plate are arranged in outer rotor bracket after being successively closely packed together
It is interior.
3. dual-rotor direct cool electric machine according to claim 2, it is characterised in that the outer rotor of the outer rotor assembly part
Magnet steel is evenly arranged in the inner wall of outer rotor iron core, and outer rotor magnet steel is arc-shaped；Outer rotor left side plate and outer rotor right end
Hardened structure is identical.
4. dual-rotor direct cool electric machine according to claim 1, it is characterised in that the inner rotator assembly part further includes
The left backing plate of internal rotor, the right backing plate of internal rotor, screw rod locking nut, motor shaft are stepped shaft structure, the left backing plate of internal rotor, internal rotor
Right backing plate, internal rotor iron core, screw rod locking nut are annular structure, and the left backing plate of internal rotor, internal rotor iron core, internal rotor are right
Backing plate is linked together by screw rod locking nut with motor shaft after being successively closely packed together.
5. dual-rotor direct cool electric machine according to claim 4, it is characterised in that the inner rotator assembly part further includes
Retaining ring, circlip groove, pin key, pin key slot, circlip groove, pin key slot are sequentially arranged in the left end of motor shaft, and outer rotor bracket is by dividing
Circlip groove, the retaining ring in pin key slot, pin key and motor shaft is not arranged in link together；Motor shaft right end has torque output tooth
Wheel.
6. dual-rotor direct cool electric machine according to claim 5, it is characterised in that the left backing plate of the internal rotor, the right pad of internal rotor
Hardened structure is identical, and internal rotor magnetic steel is arranged in interior rotor core in V-shape.
7. dual-rotor direct cool electric machine according to claim 1, it is characterised in that the field frame assembly part further includes oil inlet
Pipe, flowline, oil inlet pipe, flowline are arranged in the upper and lower side of the right outer cover right side wall of stator winding, oil inlet pipe and right side oil
The connection of chamber top split-phase, flowline are connected to right side oil pocket lower part split-phase.
8. dual-rotor direct cool electric machine according to claim 7, it is characterised in that the field frame assembly part further includes fixing
End, cylinder stabilizer blade, threaded hole, cylinder stabilizer blade, threaded hole are arranged in fixing end, have circle in the right outer cover right wall of stator winding
Column stabilizer blade through hole, after the cylinder stabilizer blade in fixing end passes through the cylinder stabilizer blade through hole in the right outer cover right wall of stator winding,
It is riveted together with stator core.
9. dual-rotor direct cool electric machine according to claim 8, it is characterised in that the field frame assembly part passes through fixing end
On threaded hole be fixed together with motor housing.
10. dual-rotor direct cool electric machine according to claim 9, it is characterised in that in the left outside cover of the stator winding, stator
Inside and outside two layers of dentation sealing strip is had on the right outer cover of winding, gasket structure matches with stator core construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606634.4A CN110190713A (en) | 2019-07-06 | 2019-07-06 | Dual-rotor direct cool electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606634.4A CN110190713A (en) | 2019-07-06 | 2019-07-06 | Dual-rotor direct cool electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110190713A true CN110190713A (en) | 2019-08-30 |
Family
ID=67725227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910606634.4A Pending CN110190713A (en) | 2019-07-06 | 2019-07-06 | Dual-rotor direct cool electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110190713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838728A (en) * | 2020-12-30 | 2021-05-25 | 顺丰科技有限公司 | Birotor permanent magnet synchronous motor and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207868966U (en) * | 2018-02-06 | 2018-09-14 | 上海富田电气技术有限公司 | A kind of radial magnetic field stator with no yoke Double-rotor disc permanent magnet synchronous motor |
| CN109980825A (en) * | 2019-03-27 | 2019-07-05 | 东风汽车集团有限公司 | A kind of efficiently cooling oil-cooled motor |
| CN210093053U (en) * | 2019-07-06 | 2020-02-18 | 上海智御动力技术有限公司 | Double-rotor direct-cooling motor |
-
2019
- 2019-07-06 CN CN201910606634.4A patent/CN110190713A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207868966U (en) * | 2018-02-06 | 2018-09-14 | 上海富田电气技术有限公司 | A kind of radial magnetic field stator with no yoke Double-rotor disc permanent magnet synchronous motor |
| CN109980825A (en) * | 2019-03-27 | 2019-07-05 | 东风汽车集团有限公司 | A kind of efficiently cooling oil-cooled motor |
| CN210093053U (en) * | 2019-07-06 | 2020-02-18 | 上海智御动力技术有限公司 | Double-rotor direct-cooling motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838728A (en) * | 2020-12-30 | 2021-05-25 | 顺丰科技有限公司 | Birotor permanent magnet synchronous motor and working method thereof |
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