CN208630354U - A kind of wheel motor drive device - Google Patents
A kind of wheel motor drive device Download PDFInfo
- Publication number
- CN208630354U CN208630354U CN201821278077.5U CN201821278077U CN208630354U CN 208630354 U CN208630354 U CN 208630354U CN 201821278077 U CN201821278077 U CN 201821278077U CN 208630354 U CN208630354 U CN 208630354U
- Authority
- CN
- China
- Prior art keywords
- hub motor
- wheel
- terminal pad
- axle sleeve
- motor
- 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.)
- Expired - Fee Related
Links
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model relates to a kind of wheel motor drive devices, including hub motor；The hub motor is equipped with central axle sleeve, the hub motor is mounted on the wheel shaft of vehicle by the central axle sleeve, the stator of the hub motor is fixed on the central axle sleeve, the central axle sleeve is equipped with the outlet hole of the inner hole and stator that are connected to the central axle sleeve, and the hub motor is permanent magnet synchronous motor.The beneficial effects of the utility model are: using the hub motor for being equipped with central axle sleeve, it is convenient to be mounted and dismounted on wheel shaft, facilitate the attended operation of vehicle, the improvement that the driveability of hub motor obtained, drive efficiency can be improved closer to the driving status of vehicle in its output power, torque and revolving speed.
Description
Technical field
The utility model belongs to electric automobile driving apparatus more particularly to a kind of wheel motor drive device.
Background technique
Current electric car mostly uses wheel-hub motor driven vehicle wheel, and the driving devices of most hub motors is by hub motor
Stator and wheel shaft be made of one structure, make troubles to the installation and maintenance of hub motor.In addition, the wheel hub electricity of driving wheel
Machine revolving speed is higher, needs retarder mating, increases the complexity of structure.
Summary of the invention
The purpose of this utility model is to propose a kind of technical solution of wheel motor drive device, and optimization hub motor is being taken turns
Mounting structure on axis, and optimize the driveability of hub motor.
To achieve the goals above, the technical solution of the utility model is: a kind of wheel motor drive device, including wheel hub
Motor；The hub motor is equipped with central axle sleeve, and the hub motor is mounted on the wheel shaft of vehicle by the central axle sleeve,
The stator of the hub motor is fixed on the central axle sleeve, and the central axle sleeve is equipped with the inner hole for being connected to the central axle sleeve
With the outlet hole of stator.
Further, the wheel shaft is multi-diameter shaft, and the shaft shoulder of the multi-diameter shaft vacates the threading hole of the central axle sleeve, institute
Stating wheel shaft is hollow shaft, and the shaft shoulder of wheel shaft is equipped with threading hole.
Further, the conducting wire of the hub motor is drawn by the outlet hole and threading hole from the hollow wheel shaft
Out.
Further, the internal diameter of the central axle sleeve is 110mm.
Further, hub motor is equipped with the shell of rotation, and interior connection is equipped on the wheel shaft being located on the inside of hub motor
Disk, interior terminal pad are mounted on the wheel shaft by inner bearing；Outer terminal pad is equipped on the wheel shaft being located on the outside of hub motor,
Outer terminal pad is mounted on the wheel shaft by outer bearing；The shell of the interior terminal pad and outer terminal pad and the hub motor
Connection, the interior terminal pad and outer terminal pad are rotated with the shell of the hub motor.
Further, the wheel shaft is multi-diameter shaft, and the wheel shaft is equipped with the front end that diameter is less than the central axle sleeve internal diameter
Axis；The outer terminal pad is equipped with outer bearing sleeve, and the outer terminal pad connects the front end axis of the wheel shaft by the outer bearing sleeve,
The outer bearing sleeve and the outer bearing are in the inner hole for being radially inserted into the central axle sleeve.
Further, the interior terminal pad is equipped with brake disc.
Further, the outer terminal pad is equipped with the wheel bolt for installing wheel.
Further, the hub motor is permanent magnet synchronous motor, the hub motor include shell, permanent magnet magnetic yoke,
Drive end bearing bracket, rear end cap, the stator are equipped with winding.
Further, the hub motor is voltage regulation and frequency modulation rare earth permanent-magnet synchronization motor, states hub motor input voltage and is
60 volts~450 volts, input frequency is 20 hertz~110 hertz, and the output power of the hub motor is 5 kilowatts~20 kilowatts.
The beneficial effects of the utility model are: using the hub motor for being equipped with central axle sleeve, it is convenient to enterprising in wheel shaft
Row installation and removal, facilitate the attended operation of vehicle, the improvement that the driveability of hub motor obtained, output power, torsion
Drive efficiency can be improved closer to the driving status of vehicle in square and revolving speed.
The utility model is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the utility model structure chart；
Fig. 2 is the utility model hub motor structure figure；
Fig. 3 is the utility model hub motor exploded view.
Specific embodiment
As shown in Figure 1, Figure 2, Fig. 3, a kind of wheel motor drive device, including hub motor；The hub motor is equipped with center
Axle sleeve 10, the hub motor are mounted on the wheel shaft 20 of vehicle by the central axle sleeve, the stator 30 of the hub motor
It is fixed on the central axle sleeve, the central axle sleeve is equipped with the outlet hole 11 of the inner hole and stator that are connected to the central axle sleeve.
The wheel shaft is multi-diameter shaft, and the shaft shoulder 21 of the multi-diameter shaft vacates the threading hole of the central axle sleeve, the wheel shaft
It is hollow shaft, the shaft shoulder of wheel shaft is equipped with threading hole 22.
The conducting wire 12 of the hub motor is drawn by the outlet hole and threading hole from the hollow wheel shaft.
The internal diameter D of the central axle sleeve is 110mm.
Hub motor is equipped with the shell 40 of rotation, and interior terminal pad 50 is equipped on the wheel shaft being located on the inside of hub motor, interior
Terminal pad is mounted on the wheel shaft by inner bearing 52；Outer terminal pad 60 is equipped on the wheel shaft being located on the outside of hub motor,
Outer terminal pad is mounted on the wheel shaft by outer bearing 62；The interior terminal pad and outer terminal pad are mounted on described by bearing
On wheel shaft, the cage connection of the interior terminal pad and outer terminal pad and the hub motor, the interior terminal pad and outer terminal pad
It is rotated with the shell of the hub motor.
The wheel shaft is multi-diameter shaft, and the wheel shaft is equipped with the front end axis 23 that diameter is less than the central axle sleeve internal diameter；It is described
Outer terminal pad is equipped with outer bearing sleeve 63, and the outer terminal pad connects the front end axis of the wheel shaft by the outer bearing sleeve, described
Outer bearing sleeve and the outer bearing are in the inner hole for being radially inserted into the central axle sleeve.
The interior terminal pad is equipped with brake disc 51.
The outer terminal pad is equipped with the wheel bolt 61 for installing wheel.
The hub motor is permanent magnet synchronous motor, and the hub motor includes shell 40, permanent magnet magnetic yoke 41, drive end bearing bracket
42, rear end cap 43, the stator are equipped with winding 31.
The hub motor is voltage regulation and frequency modulation rare earth permanent-magnet synchronization motor, and stating hub motor input voltage is 60 volts~450
Volt, input frequency are 20 hertz~110 hertz, and the output power of the hub motor is 5 kilowatts~20 kilowatts.
Embodiment one:
Such as Fig. 2, Fig. 3, a kind of hub motor, the hub motor of the present embodiment is permanent magnet synchronous motor, and hub motor includes
Central axle sleeve 10, stator 30, shell 40, permanent magnet magnetic yoke 41, drive end bearing bracket 42, rear end cap 43.Stator is equipped with winding 31, stator peace
On central axle sleeve.
Central axle sleeve is equipped with outlet hole 11, and threading hole is connected to the through-hole of central axle sleeve inner hole and outer wall.Central axle sleeve is equipped with
Keyway 13 for being fixedly connected with vehicle axles.
Drive end bearing bracket is mounted on central axle sleeve by bearing 44, and rear end cap is mounted on central axle sleeve by bearing 45.
The both ends of shell and permanent magnet magnetic yoke are separately connected drive end bearing bracket and rear end cap, shell, permanent magnet magnetic yoke, drive end bearing bracket and
Rear end cap rotates together.
The hub motor of the present embodiment is voltage regulation and frequency modulation rare earth permanent-magnet synchronization motor, to be suitble to the driving of electric car special
Property, the applicable voltage of hub motor is 60 volts~450 volts, 20 hertz~110 hertz of frequency, output power 5 kilowatts~20,000
Watt, output power is adjusted by voltage and frequency according to vehicle driving demand.Motor using rare earth permanent magnet and multistage number and around
Group realizes above-mentioned function.
Permanent magnet synchronous motor is mainly to be made of each component such as rotor, end cap and stator.In general, permanent-magnet synchronous
The maximum feature of motor is that the structure of its stator structure and common induction machine is closely similar, is mainly different from rotor
Unique structure and other motors form difference, the maximum with common asynchronous machine is then Bu Tong the unique knot of rotor
Structure is placed with the permanent magnet pole of high quality on rotor.
For basic principle: permanent magnet synchronous motor and traditional electric excitation synchronous motor be it is the same, be uniquely distinguished as
Traditional electric excitation synchronous motor is magnetic field to be generated by being passed through electric current in excitation winding, and permanent magnet synchronous motor is logical
Permanent magnet is crossed to establish magnetic field.Permanent magnet synchronous motor advantage includes:
High-efficient, more power saving, efficiency are higher than 20% or more asynchronous machine.
Power factor is high.Its power factor is adjustable, it might even be possible to which design success rate factor is equal to 1, makes current of electric
Small, motor stator copper loss reduces, more energy efficient；
High reliablity.Permanent magnetic synchronous frequency-conversion speed-regulating motor, which is easy to implement, directly drives load, saves that reliability is not high to be subtracted
Fast case.
Small in size, power density is big.Same volume can be improved 30% or so with the magneto power of weight.
Embodiment two:
As shown in Figure 1, Figure 2, Fig. 3, a kind of wheel motor drive device, including hub motor, hub motor are one institutes of embodiment
The hub motor stated.Hub motor is equipped with central axle sleeve 10.Hub motor is mounted on the wheel shaft 20 of vehicle.
Wheel shaft is mounted on vehicle frame 70.Wheel shaft is multi-diameter shaft, including motor shaft 24 and front end axis 23.During hub motor passes through
Spindle sleeve is mounted on the wheel shaft motor shaft 24 of vehicle, and central axle sleeve is fixedly connected by key with motor shaft.Front end axis 23 it is straight
Diameter D1 is less than the diameter D of motor shaft, i.e., again smaller than the central axle sleeve internal diameter D of hub motor, wheel shaft is equipped with the shaft shoulder 21, and wheel shaft is empty
Mandrel is equipped with threading hole 22 at the shaft shoulder of wheel shaft.
The shaft shoulder 21 of multi-diameter shaft is located within the inner hole of central axle sleeve, vacates threading hole (the i.e. not disk wheel of central axle sleeve
The outlet hole 11 of hub motor), the conducting wire 12 of hub motor is drawn by outlet hole 11 and outlet hole 22 from the hollow wheel shaft.
Hub motor is equipped with the shell 40 of rotation, and interior terminal pad 50 is equipped on the wheel shaft being located on the inside of hub motor, interior
Terminal pad is mounted on the wheel shaft by inner bearing 52.Outer terminal pad 60 is equipped on the wheel shaft being located on the outside of hub motor,
Outer terminal pad is mounted on the wheel shaft by outer bearing 62.Interior terminal pad and outer terminal pad pass through bolt 46 and hub motor
Drive end bearing bracket, rear end cap and cage connection, interior terminal pad and outer terminal pad are rotated with the shell of hub motor.
Outer terminal pad is equipped with outer bearing sleeve 63, and outer terminal pad connects the front end axis of wheel shaft, outer bearing sleeve by outer bearing sleeve
With outer bearing in the inner hole for being radially inserted into central axle sleeve.Make the mounting structure of hub motor axial more compact in this way.
Interior terminal pad is equipped with brake disc 51.
Outer terminal pad is equipped with the wheel bolt 61 for installing wheel.Wheel is fixed on outer terminal pad by wheel bolt 61
On, it is rotated with hub motor.
The present embodiment uses the hub motor equipped with central axle sleeve, it is convenient to be mounted and dismounted on wheel shaft, side
Vehicle attended operation.Another aspect hub motor uses voltage regulation and frequency modulation rare earth permanent-magnet synchronization motor, and motor uses rare earth
Permanent magnetism and multistage number and winding, can adjust output power, the driveability of hub motor by voltage and frequency according to demand
Well, drive efficiency can be improved closer to the driving status of vehicle in output power, torque and revolving speed.Due to hub motor
Working environment it is severe, temperature is high when normal work, and shake is big, can also face the adverse circumstances such as traveling of paddling, make the loss of electric machine
Greatly, it is easily damaged.In order to solve this these technical problem, the structure of interior terminal pad and outer terminal pad is used in the present embodiment,
Interior terminal pad and outer terminal pad have the function of protecting hub motor, and the load of wheel is passed through interior terminal pad and outer terminal pad
Bearing is transmitted on wheel shaft, is avoided the weight for bearing car body between the stator of hub motor and rotor, is prevented vehicle driving from producing
Raw shake damages motor.It can also be when necessary and coolant liquid be added in motor, prevent motor overheating.
Claims (10)
1. a kind of wheel motor drive device, including hub motor；It is characterized in that, the hub motor is equipped with central axle sleeve,
The hub motor is mounted on the wheel shaft of vehicle by the central axle sleeve, and the stator of the hub motor is fixed in described
On spindle sleeve, the central axle sleeve is equipped with the outlet hole of the inner hole and stator that are connected to the central axle sleeve.
2. a kind of wheel motor drive device according to claim 1, which is characterized in that the wheel shaft is multi-diameter shaft, institute
The shaft shoulder for stating multi-diameter shaft vacates the threading hole of the central axle sleeve, and the wheel shaft is hollow shaft, and the shaft shoulder of wheel shaft, which is equipped with, to be worn
String holes.
3. a kind of wheel motor drive device according to claim 2, which is characterized in that the conducting wire of the hub motor is logical
The outlet hole and threading hole is crossed to draw from the hollow wheel shaft.
4. a kind of wheel motor drive device according to claim 1, which is characterized in that the internal diameter of the central axle sleeve is
110mm。
5. a kind of wheel motor drive device according to claim 1, which is characterized in that
Hub motor is equipped with the shell of rotation, and interior terminal pad is equipped on the wheel shaft being located on the inside of hub motor, and interior terminal pad is logical
Inner bearing is crossed to be mounted on the wheel shaft；Outer terminal pad is equipped on the wheel shaft being located on the outside of hub motor, outer terminal pad passes through
Outer bearing is mounted on the wheel shaft；The cage connection of the interior terminal pad and outer terminal pad and the hub motor, it is described interior
Terminal pad and outer terminal pad are rotated with the shell of the hub motor.
6. a kind of wheel motor drive device according to claim 5, which is characterized in that the wheel shaft is multi-diameter shaft, institute
State the front end axis that wheel shaft is less than the central axle sleeve internal diameter equipped with diameter；The outer terminal pad is equipped with outer bearing sleeve, the outer company
The front end axis that disk connects the wheel shaft by the outer bearing sleeve is connect, the outer bearing sleeve and the outer bearing are being radially inserted into
State the inner hole of central axle sleeve.
7. a kind of wheel motor drive device according to claim 5, which is characterized in that the interior terminal pad is equipped with brake
Disk.
8. a kind of wheel motor drive device according to claim 5, which is characterized in that the outer terminal pad is equipped with and is used for
The wheel bolt of wheel is installed.
9. a kind of wheel motor drive device according to claim 1, which is characterized in that the hub motor is that permanent magnetism is same
Motor is walked, the hub motor includes shell, permanent magnet magnetic yoke, drive end bearing bracket, rear end cap, and the stator is equipped with winding.
10. a kind of wheel motor drive device according to claim 9, which is characterized in that the hub motor is pressure regulation
Frequency modulation rare earth permanent-magnet synchronization motor, stating hub motor input voltage is 60 volts~450 volts, and input frequency is 20 hertz~110 hertz
Hereby, the output power of the hub motor is 5 kilowatts~20 kilowatts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821278077.5U CN208630354U (en) | 2018-08-09 | 2018-08-09 | A kind of wheel motor drive device |
| PCT/CN2019/095938 WO2020029752A1 (en) | 2018-08-09 | 2019-07-15 | In-wheel motor driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821278077.5U CN208630354U (en) | 2018-08-09 | 2018-08-09 | A kind of wheel motor drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208630354U true CN208630354U (en) | 2019-03-22 |
Family
ID=65740079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821278077.5U Expired - Fee Related CN208630354U (en) | 2018-08-09 | 2018-08-09 | A kind of wheel motor drive device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208630354U (en) |
| WO (1) | WO2020029752A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029752A1 (en) * | 2018-08-09 | 2020-02-13 | 郭成武 | In-wheel motor driving device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257233B (en) * | 2007-12-06 | 2011-09-07 | 董建国 | Insert shaft type hub electric motor and electric automobile |
| CN102510166A (en) * | 2011-10-31 | 2012-06-20 | 河南超微电动汽车有限公司 | Special live-axle hub motor for electric vehicle |
| CN102390253A (en) * | 2011-10-31 | 2012-03-28 | 河南超微电动汽车有限公司 | Electric automobile chassis of employing live axle hub motor as driving wheel |
| JP6826383B2 (en) * | 2016-06-27 | 2021-02-03 | Ntn株式会社 | In-wheel motor drive |
| CN208630354U (en) * | 2018-08-09 | 2019-03-22 | 郭成武 | A kind of wheel motor drive device |
-
2018
- 2018-08-09 CN CN201821278077.5U patent/CN208630354U/en not_active Expired - Fee Related
-
2019
- 2019-07-15 WO PCT/CN2019/095938 patent/WO2020029752A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029752A1 (en) * | 2018-08-09 | 2020-02-13 | 郭成武 | In-wheel motor driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020029752A1 (en) | 2020-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9302577B2 (en) | Halbach array electric motor with substantially contiguous electromagnetic cores | |
| CN106505763A (en) | A kind of locomotive shaft-end magneto alternator | |
| CN102299608A (en) | Liquid cooling auto-excitation-type eddy current retarder without electric brush structure | |
| CN105186740B (en) | A kind of inertia energy storage system | |
| CN202663275U (en) | Retarder with automatic power generation function for vehicles | |
| CN105991067B (en) | Magnetic suspension coreless permanent magnet formula generates electricity and electric device | |
| CN107846092A (en) | A kind of wheel hub electric motor of electric vehicle of integrated caliper | |
| CN208630354U (en) | A kind of wheel motor drive device | |
| EP3173282B1 (en) | Method of operating an electrically propelled vehicle | |
| CN207625414U (en) | A kind of Halbach types array permanent magnetism disc type iron core-free hollow shaft motor | |
| CN103762793B (en) | A kind of electronic transport van drive motors radial permanent magnet method for production of rotor | |
| CN105896861A (en) | Hub-type axial excitation permanent magnetic motor | |
| CN209217870U (en) | Quarry tipper Large Electric wheel directly drives outer rotor Direct wheel drives motor | |
| CN105871118A (en) | Warm wind and power generation integral machine of tricycle | |
| CN105914982B (en) | A kind of electric wheel hub of bilateral magnetic circuit | |
| CN216356406U (en) | In-wheel motor | |
| CN109546799B (en) | Large-sized electric wheel direct-drive outer rotor wheel rim driving motor of mining dump truck | |
| CN108768018A (en) | A kind of brushless hub electric motor for new-energy automobile | |
| CN208581150U (en) | A kind of bimorph transducer variable speed permanent magnetism synchronous driving system | |
| CN114056103A (en) | Self-excitation slow braking axle | |
| CN103259385A (en) | Liquid-cooled salient pole electromagnetic retarder with lightweight rotor | |
| CN102214960A (en) | Permanent-magnet overlapped coreless high-efficiency motor | |
| CN209305329U (en) | A kind of double drive motor that dedicated two end of electric car independently exports | |
| CN105990975B (en) | Coreless permanent magnet formula generates electricity and electric device | |
| CN201041960Y (en) | Dual protruding pole permanent magnetic wheel hub electromotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |