CN107147263A - A kind of dual-rotor structure permagnetic synchronous motor - Google Patents
A kind of dual-rotor structure permagnetic synchronous motor Download PDFInfo
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- CN107147263A CN107147263A CN201710560939.7A CN201710560939A CN107147263A CN 107147263 A CN107147263 A CN 107147263A CN 201710560939 A CN201710560939 A CN 201710560939A CN 107147263 A CN107147263 A CN 107147263A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 46
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- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
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- 239000000203 mixture Substances 0.000 description 2
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- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
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- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
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Classifications
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- 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
- 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
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a kind of dual-rotor structure permagnetic synchronous motor, including outer rotor, stator and internal rotor；The outer rotor is located on the outside of stator, and outer air gap is provided between the outer rotor and stator；The internal rotor is located on the inside of stator, and outer air gap is provided between the internal rotor and stator；On the outside of the stator and inner side is equipped with the outside of equally distributed fluting, the stator to be provided with the inside of stator outer layer winding, the stator on fluting is provided with stator internal layer winding on fluting；It is provided with the inside of the outer rotor on the outside of equally distributed outer rotor permanent magnet, the internal rotor and is provided with equally distributed internal rotor permanent-magnetic body；The stator is rigidly connected by stator support with motor shaft；The outer rotor is rigidly connected by inner and outer rotors connector and internal rotor, and is rigidly connected by fore bearing and rear bearing with motor shaft.The invention provides a kind of structure design for the Novel dual-rotor structure permanent-magnet synchronous motor for improving power of motor density and efficiency.
Description
Technical field
The present invention relates to a kind of permagnetic synchronous motor, specially a kind of dual-rotor structure permagnetic synchronous motor belongs to motor
Manufacture field.
Background technology
Existing electric automobile type of drive has centralization to drive and hub-type type of drive.Centralized type of drive, just
It is to replace the engine in conventional fuel oil automobile by motor, the original a whole set of mechanical transmission structure of reservation, and wheel hub motor
The difference of driving is that it has cast out mechanical transmission structure, and motor and wheel are joined directly together or directly in mechanical structure
Connect on wheel.The characteristics of wheel hub type of drive itself, the performance to motor it is also proposed higher requirement：(1)
Detent torque is sufficiently large, and the requirements such as electric automobile start operating performance and accelerating mode response are fast, climbing capacity is strong are met with this.(2)
Torque response is fast, to meet electric automobile frequent starting with parking, acceleration with slowing down, the drive demand such as low speed or climbing.(3) adjust
Strong wide (6) dynamic braking capability in (5) efficacious workaround of fast wide (4) overload capacity of scope is strong, to meet electric automobile brake hard
Situations such as, and with recovery braking energy mechanism.
How to design meet requirements above wheel hub motor be always people research focus, a kind of Novel dual-rotor knot
Design, manufacture and its control system research pair applied to hub motor for electric automobile of structure permanent magnet synchronous motor with high-power density
Have great importance in electric automobile trailer system.
Patent CN103640470A provides a kind of double-rotor machine structure driven for vehicle hub, and the structure is answered
Miscellaneous, motor contains gear drive and clutch apparatus, and because rotor windings need brush to be powered, there is reliability
It is not high, the problems such as maintenance cost is high.
Patent CN203352396U《A kind of Double-stator motor》A kind of New-type electric machine with double-stator structure is given, its
Rotor is cup-like structure, is arranged between the first stator and the second stator, real by first, second two permanent magnet collective effects
Existing jerk racing, precision controlling is high.New doubly-fed motor using concentric two-stator structure realize, i.e., inside and outside stator and turn
Sub nested structure, compared with traditional single stator permanent magnet brushless electric machine, while performance is improved, the structure of motor is more multiple
Miscellaneous, its inside and outside motor-field coupling adds the difficulty of control.
Patent CN106300713A proposes a kind of stator core for double-rotor machine, its by external stator and it is multiple can
The inner stator composition of dismounting, stator structure is complicated, and requirement on machining accuracy is high, and inner stator is by multiple dismountable single stator yokes
Portion fastens and formed, and inner stator mechanical strength is not good enough.
The content of the invention
Manufacturing cost is reduced it is an object of the invention to provide one kind, improve power of motor density and efficiency new double turns
Minor structure permagnetic synchronous motor, the permagnetic synchronous motor have it is brushless, without clip clutch and mechanical differential gear box and structure
Simple and reliable the characteristics of, CO2 emissions can be reduced for electric automobile, are bettered people's living environment, to promoting electric automobile
With positive effect.Certainly, its application is not limited to wheel hub motor electric automobile, and other similar double-rotor machines are same
It is applicable.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of dual-rotor structure permagnetic synchronous motor, including outer rotor, stator and internal rotor；The outer rotor is located at stator
Outside, is provided with outer air gap between the outer rotor and stator；The internal rotor is located on the inside of stator, the internal rotor and stator it
Between be provided with outer air gap；On the outside of the stator and inner side is equipped with the outside of equally distributed fluting, the stator and is provided with fluting
Stator internal layer winding is installed on fluting on the inside of stator outer layer winding, the stator；It is provided with and is uniformly distributed on the inside of the outer rotor
Outer rotor permanent magnet, be provided with equally distributed internal rotor permanent-magnetic body on the outside of the internal rotor；The stator is supported by stator
Part is rigidly connected with motor shaft；The outer rotor is rigidly connected by inner and outer rotors connector and internal rotor, and passes through fore bearing
It is rigidly connected with rear bearing and motor shaft.
It is preferred that, the cross section of the outer rotor and internal rotor is cyclic structure, corresponding every piece of outer rotor permanent magnet
The magnetic pole that radial section points to axle center is being formed on the end face of stator side with internal rotor permanent-magnetic body.
It is preferred that, the outer rotor permanent magnet and the annexation that the outer rotor is that surface is embedded in；The internal rotor is forever
Magnet and the annexation that the internal rotor is that surface is embedded in.
It is preferred that, the outer rotor permanent magnet attribute is consistent and is circularly and evenly distributed；The internal rotor permanent-magnetic body attribute
It is consistent and be circularly and evenly distributed；The outer rotor permanent magnet number is corresponded with internal rotor permanent-magnetic body and number is identical, and
The both sides radial side of outer rotor and internal rotor and stator both sides radial side are corresponding coplanar respectively and perpendicular to axial direction；Same footpath
To section, inside and outside rotor permanent magnet and corresponding internal rotor permanent-magnetic body radial centre lines are conllinear.
It is preferred that, the stator outer layer winding is same-phase winding with the stator internal layer winding.
It is preferred that, the stator outer layer winding is used both independently of each or is used in series with the stator internal layer winding.
It is preferred that, the motor shaft is connected by expansion sleeve with shaft coupling；The shaft coupling is provided with and is fixedly connected with the external world
Structure, attachment structure is not limited to flange plate structure, can be provided with other attachment structures.
It is preferred that, the outer rotor is connected by outer rotor support member with rear bearing, and firm by rear bearing and motor shaft
Property connection.
It is preferred that, brake disc is installed on the outer rotor support member, coordinates the braking clamp being arranged on shaft coupling formation to stop
Mechanism of car.
It is preferred that, the motor also includes position sensor, and the position sensor uses rotary transformer；The rotation
Transformer includes rotary transformer rotor, rotary transformer stator and rotary transformer rotor fixed seat；The rotary transformer
Rotor is arranged in the rotary transformer rotor fixed seat, and with motor outer rotor and internal rotor synchronous axial system, the rotation becomes
Depressor stator is arranged on the inwall side of motor shaft.
It is preferred that, the inside of the stator is provided with heat eliminating medium pipeline, and the exit of the heat eliminating medium pipeline is provided with
Waterproof gland head.
It is preferred that, the stator is connected by stator fixed screw with the stator support.
The present invention has the advantages that：
(1) stator armature winding (the stator internal layer of a kind of dual-rotor structure permagnetic synchronous motor provided due to the present invention
Winding and stator outer layer winding) do not rotate, thus the problem of being powered using brush and slip ring is avoided, it is where improving
The reliability of system, reduces maintenance cost；
(2) a kind of new structure design is proposed so that electric machine structure is simple and reliable, it is easy to process.
The present invention is described in further detail below in conjunction with drawings and Examples, but a kind of dual-rotor structure of the present invention
Permagnetic synchronous motor is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the structural representation of the dual-rotor structure permagnetic synchronous motor of the present invention；
Fig. 2 is dual-rotor structure permagnetic synchronous motor radial section schematic diagram of the invention；
Fig. 3 is correspondence phase winding magnetomotive force and composite diagram in two stator winding of the present invention.
Marked in accompanying drawing：1st, outer rotor, 2, inner and outer rotors connector, 3, stator；4th, stator fixed screw, 5, internal rotor
Permanent magnet, 6, internal rotor, 7, rotary transformer rotor, 8 rotary transformer rotor fixed seats, 9, motor shaft, 10, fore bearing, 11,
Bearing afterwards, 12, waterproof gland head, 13, expansion sleeve, 14, shaft coupling, 15, brake disc, 16, braking clamp, 17, outer rotor support member,
18th, stator support, 19, stator internal layer winding, 20, outer rotor permanent magnet, 21, stator outer layer winding, 22, rotary transformer it is fixed
Son.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
It is shown in Figure 1, a kind of dual-rotor structure permagnetic synchronous motor, including outer rotor 1, stator 3 and internal rotor 6；Institute
Outer rotor 1 is stated positioned at the outside of stator 3, outer air gap is provided between the outer rotor 1 and stator 3；The internal rotor 6 is located at stator 3
Inner side, is provided with outer air gap between the internal rotor 6 and stator 3；The outside of stator 3 and inner side are equipped with equally distributed open
It is provided with groove, the outside of stator 3 fluting on stator outer layer winding 21, the inner side of stator 3 fluting and stator internal layer is installed
Winding 19；The inner side of outer rotor 1 is provided with equally distributed outer rotor permanent magnet 20, and the outside of internal rotor 6 is provided with uniform point
The internal rotor permanent-magnetic body 5 of cloth；The stator 3 is rigidly connected by stator support 18 with motor shaft 9；The outer rotor 1 passes through
Inner and outer rotors connector 2 is rigidly connected with internal rotor 6, and is rigidly connected by fore bearing 10 and rear bearing 11 with motor shaft 9.
After molding assembly, the outer rotor 1 and internal rotor 6 are located at outside, and stator 3 is located at the inboard of outer rotor 1 and internal rotor 6.
Specifically, the motor is that outer rotor 1, internal rotor 6 and stator 3 are nested together into one concentric type structure of composition
Motor, there is the motor magnetic flux in two layers air gap, two layers of air gap to share the iron circuit of stator.
Further, the outer rotor 1 and internal rotor 6 of the motor are cyclic structures, using damascene structures by outer rotor
Permanent magnet 20 and internal rotor permanent-magnetic body 5 are embedded in inner and outer rotors close to the side of stator, shown in Figure 2, the outer rotor 1 and interior
The unshakable in one's determination of rotor 6 is overrided to form using silicon steel laminations, and silicon steel laminations are prepared by mould punching or wire cutting.
Further, the stator 3 of the motor is made up of stator internal layer and stator outer layer, shown in Figure 2, internal layer stator
Slot number is consistent with outer layer number of stator slots and corresponds, and stator 3 is unshakable in one's determination to be overrided to form using silicon steel laminations, and silicon steel laminations are by mould
It is prepared by punching press or wire cutting.
Further, the attribute of outer rotor permanent magnet 20 is consistent and is circularly and evenly distributed；The internal rotor permanent-magnetic body 5
Attribute is consistent and is circularly and evenly distributed；The number of outer rotor permanent magnet 20 is corresponded and number with internal rotor permanent-magnetic body 5
It is identical, and both sides radial side and the stator both sides radial side of outer rotor 1 and internal rotor 6 are corresponding coplanar respectively and perpendicular to axle
To；Inside and outside rotor permanent magnet 20 and the corresponding radial centre lines of internal rotor permanent-magnetic body 5 are conllinear for same radial section.
Further, the stator outer layer winding 21 and the stator internal layer winding 19 are same-phase winding.
Further, the stator outer layer winding 21 is used both independently of each or connected with the stator internal layer winding 19 and makes
With.
Further, the motor shaft 9 is connected by expansion sleeve 13 with shaft coupling 14；The shaft coupling 14 is provided with and the external world
The structure being fixedly connected, attachment structure is not limited to flange plate structure, can be provided with other attachment structures.
Further, the outer rotor 1 is connected by outer rotor support member 17 with rear bearing 11, and by rear bearing 11 with
Motor shaft 9 is rigidly connected.
Further, brake disc 15 is installed on the outer rotor support member 17, coordinates the brake being arranged on shaft coupling 14
Pincers 16 form braking mechanism.
Further, the motor also includes position sensor, and the position sensor uses rotary transformer；The rotation
Changing depressor includes rotary transformer rotor 7, rotary transformer stator 22 and rotary transformer rotor fixed seat 8；The rotation
Transformer rotor 7 is arranged in the rotary transformer rotor fixed seat 8, with motor outer rotor 1 and the synchronous axial system of internal rotor 6,
The rotary transformer stator 22 is arranged on the inwall side of motor shaft 9.
Further, the inside of the stator is provided with heat eliminating medium pipeline, and the exit of the heat eliminating medium pipeline is set
There is waterproof gland head 12.
Further, the stator 3 is connected by stator fixed screw 4 with the stator support 18.
Outer rotor 1, internal rotor 6, inner and outer rotors connector 2, outer rotor support member 17, the rotary transformer of the present invention is installed
Seat 8, rotary transformer rotor 7 are rigidly connected to form integral structure together with the brake disc 15 on outer rotor support member 17
It is the unique mechanical ports of motor as the rotor block of motor；The present invention stator 3, stator support 18, motor shaft 9 and
The components such as shaft coupling 14, rotary transformer rotor 7, which are rigidly connected, is integrally formed formula structure as the stator body of motor, is not rotate
's.
A kind of stator of dual-rotor structure permagnetic synchronous motor proposed by the present invention is separately installed with stator internal layer winding 19
With stator outer layer winding 21.Rotating mmf F can be produced when stator outer layer winding 21 is powereda1, and set up armature field φa1；
Rotating mmf F can be produced respectively when stator internal layer winding 19 is powereda3, and set up armature field φa3；Stator internal layer around
Armature reaction electric potential E is produced in group 19a1And Ea31, armature reaction electric potential E is produced in stator outer layer winding 21a3And Ea13。
Wherein, between two stator winding (stator outer layer winding 21 and stator internal layer winding 19) armature-reaction influence very little, therefore,
Ea31And Ea13It is negligible.The permanent magnet magnetic kinetic potential F that inner and outer rotors are composited2And the excitation field φ set up2Also in stator
Corresponding induced electromotive force E is produced respectively in outer layer winding 21 and stator internal layer winding 191And E3.Because two stator winding are common
Same-action will produce and be superimposed performance.As shown in figure 3, in a kind of two stator winding of birotor permanent magnetic synchronous motor correspondence around
Group magnetomotive force Fa1And Fa3Space vector differs θ electrical angles, and synthesis magnetomotive force is Fs.From figure 3, it can be seen that as θ=0, Fa1And Fa3
With identical phase, synthesis magnetomotive force is maximum, and motor will export maximum electromagnetic torque.That is stator internal layer winding 19 and fixed
When corresponding windings are same-phase in sub- outer layer winding 21, obtained electromagnetic torque is maximum.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of dual-rotor structure permagnetic synchronous motor, including outer rotor (1), stator (3) and internal rotor (6)；Characterized in that,
The outer rotor (1) is located on the outside of stator (3), and outer air gap is provided between the outer rotor (1) and stator (3)；The internal rotor
(6) it is located on the inside of stator (3), outer air gap is provided between the internal rotor (6) and stator (3)；On the outside of the stator (3) and inner side
It is equipped with the outside of equally distributed fluting, the stator (3) and stator outer layer winding (21), the stator (3) is installed on fluting
Stator internal layer winding (19) is installed on the fluting of inner side；Equally distributed outer rotor permanent magnet is provided with the inside of the outer rotor (1)
(20), it is provided with equally distributed internal rotor permanent-magnetic body (5) on the outside of the internal rotor (6)；The stator (3) passes through stator support
(18) it is rigidly connected with motor shaft (9)；The outer rotor (1) is rigidly connected by inner and outer rotors connector (2) with internal rotor (6)
Connect, and be rigidly connected by fore bearing (10) and rear bearing (11) with motor shaft (9).
2. dual-rotor structure permagnetic synchronous motor according to claim 1, it is characterised in that：The outer rotor (1) and interior
The cross section of rotor (6) is cyclic structure.
3. dual-rotor structure permagnetic synchronous motor according to claim 2, it is characterised in that：The outer rotor permanent magnet
(20) it is the annexation that surface is embedded in the outer rotor (1)；The internal rotor permanent-magnetic body (5) is with the internal rotor (6)
The annexation of surface insertion.
4. dual-rotor structure permagnetic synchronous motor according to claim 2, it is characterised in that：The outer rotor permanent magnet
(20) attribute is consistent and is circularly and evenly distributed；Internal rotor permanent-magnetic body (5) attribute is consistent and is circularly and evenly distributed；It is described
Outer rotor permanent magnet (20) number is corresponded with internal rotor permanent-magnetic body (5) and number is identical, and outer rotor (1) and internal rotor
(6) both sides radial side and stator both sides radial side are corresponding coplanar respectively and perpendicular to axial direction；Same radial section is inside and outside
Rotor permanent magnet (20) and corresponding internal rotor permanent-magnetic body (5) radial centre lines are conllinear.
5. dual-rotor structure permagnetic synchronous motor according to claim 1, it is characterised in that：The stator outer layer winding
(21) it is same-phase winding with the stator internal layer winding (19).
6. dual-rotor structure permagnetic synchronous motor according to claim 1, it is characterised in that：The stator outer layer winding
(21) it is used both independently of each or is used in series with the stator internal layer winding (19).
7. dual-rotor structure permagnetic synchronous motor according to claim 1, it is characterised in that：The motor shaft (9) passes through
Expansion sleeve (13) is connected with shaft coupling (14)；The shaft coupling (14) is provided with the structure being fixedly connected with the external world.
8. dual-rotor structure permagnetic synchronous motor according to claim 1, it is characterised in that：The outer rotor (1) passes through
Outer rotor support member (17) is connected with rear bearing (11), and is rigidly connected by rear bearing (11) with motor shaft (9).
9. dual-rotor structure permagnetic synchronous motor according to claim 8, it is characterised in that：The outer rotor support member
(17) brake disc (15) is installed on, coordinates braking clamp (16) the formation braking mechanism being arranged on shaft coupling (14).
10. dual-rotor structure permagnetic synchronous motor according to claim 1, it is characterised in that：The motor also includes position
Sensor is put, the position sensor uses rotary transformer；The rotary transformer includes rotary transformer rotor (7), rotation
Turn resolver stator (22) and rotary transformer rotor fixed seat (8)；The rotary transformer rotor (7) is arranged on the rotation
In transformer rotor fixed seat (8), with motor outer rotor (1) and internal rotor (6) synchronous axial system, the rotary transformer stator
(22) it is arranged on the inwall side of motor shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710560939.7A CN107147263A (en) | 2017-07-11 | 2017-07-11 | A kind of dual-rotor structure permagnetic synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710560939.7A CN107147263A (en) | 2017-07-11 | 2017-07-11 | A kind of dual-rotor structure permagnetic synchronous motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108274989B (en) * | 2018-03-13 | 2023-09-15 | 吉林大学 | Torque directional distribution electric drive axle based on double-rotor motor |
| JP7512926B2 (en) | 2021-02-26 | 2024-07-09 | 日本精工株式会社 | motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274989B (en) * | 2018-03-13 | 2023-09-15 | 吉林大学 | Torque directional distribution electric drive axle based on double-rotor motor |
| JP7512926B2 (en) | 2021-02-26 | 2024-07-09 | 日本精工株式会社 | motor |
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Application publication date: 20170908 |