CN104553744B - A kind of driving based on wheel hub motor and braking integrated system - Google Patents
A kind of driving based on wheel hub motor and braking integrated system Download PDFInfo
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- CN104553744B CN104553744B CN201410683041.5A CN201410683041A CN104553744B CN 104553744 B CN104553744 B CN 104553744B CN 201410683041 A CN201410683041 A CN 201410683041A CN 104553744 B CN104553744 B CN 104553744B
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Abstract
The invention provides a kind of driving based on wheel hub motor and braking integrated system, including In-wheel motor driving system, electromagnetism and friction braking system and whole-control system, In-wheel motor driving system includes axletree, motor stator with described axletree coaxial welding, the wheel hub being connected with motor stator by bearing, rotor and brake disc, the shell of described rotor is fixing with wheel hub to be connected, and electronics rotor is fixing with brake disc to be connected.The present invention uses the direct drive hub of rotor, simple in construction, transmission efficiency is high, decrease rotating torque and the rotary inertia of automobile, improve comfortableness and the safety of automobile, simultaneously because add electormagnetic braking sytem, be effectively improved vehicle energy utilization rate, shorten the braking action time, improve braking performance of vehicle and traffic safety.
Description
Technical field
The invention belongs to vehicle traction and braking integrated system field, a kind of driving based on wheel hub motor is integrated with braking
System.
Background technology
Currently used motor-driven electric automobile, generally uses motor to replace internal combustion engine, uses a motor to pass through drive mechanism
Driving left and right sides wheel, the drive mechanism such as clutch, variator all exists, and such motor driven systems is due to drive mechanism
Require the expenditure of energy, so the efficiency of transmission is the lowest, be unfavorable for that vehicle energy efficiently utilizes.The most most of used wheel hubs
Motor driven electric car is that the armature spindle of motor is rigidly connected with axletree, is passed through certain electric current to stator coil so that rotor
Rotating, the rotor banding motor-car axle of rotation rotates, the axle drives wheels travel of rotation, such connected mode and common electronic
Automobile is the same, all can drive wheels travel by the rotation of axletree, but axletree and whole automobile link together, car
Axle rotates and means to produce the biggest rotating torque and rotary inertia, can affect comfortableness and the safety of automobile；Furthermore, need
Want more powerful motor can realize the driving of electric automobile, economy can be made to reduce and the waste of energy；Simultaneously in system
Emotionally during shape, it is also desirable to the braking moment providing bigger can reach the purpose of braking, this will excessive because of braking moment
And make frictional disk excessive wear, it is unfavorable for the safety of automobile in the course of time.
Car disk brake is to be promoted the piston movement in caliper by hydraulic oil mostly at present, and piston presses to brake block
Brake disc, realizes car braking by the friction of brake disc Yu brake block and stops.When galloping or brake hard,
Directly by piston, brake block is pressed to brake disc, frequently for a long time braking can cause the excessive wear of brake block and brake disc with
And friction pair is overheated, causes the heat fading of brake, thus affect braking performance of vehicle and even cause brake fade.
Summary of the invention
For Shortcomings in prior art, the invention provides a kind of driving based on wheel hub motor and braking integrated system, should
System uses motor direct-drive wheel hub and then drives electric automobile, it is possible to improves braking ability, alleviate the abrasion that braking is secondary, with
Time also add electro-magnetic braking functions, be effectively improved vehicle energy utilization rate, shorten the braking action time, improve car load braking
Performance and traffic safety.
The present invention realizes above-mentioned technical purpose by techniques below means.
A kind of driving based on wheel hub motor and braking integrated system, including In-wheel motor driving system, electromagnetism and frictional damping system
System and whole-control system, described In-wheel motor driving system includes axletree, the motor stator that is fixedly and coaxially connected with described axletree,
Wheel hub, rotor and brake disc, described wheel hub, rotor and brake disc are sequentially arranged on motor stator and and motor
Stator rotation connects, and described wheel hub and rotor are fixing to be connected, and described rotor is fixed with brake disc and is connected, electromagnetism with rub
Wipe brakes include electromagnetism with friction integrated arrestor, the first electro hydraulic valve, the second electro hydraulic valve, high pressure oil storage tank,
Push rod, cylinder and metallic rod, described electromagnetism has two with friction integrated arrestor, is separately mounted to the both sides of brake disc and leads to
Crossing conduit and the first electro hydraulic valve connects, described cylinder is two, uniform and brake disc both sides, and described push rod is positioned at cylinder,
And connected by conduit and the second electro hydraulic valve, the first electro hydraulic valve and the second electro hydraulic valve are all by conduit and described height
Pressure oil storage tank connect, described metallic rod has two and in middle part cross-articulation, one end of said two metallic rod respectively with two
Push rod is hinged, the other end is hinged with friction brake with two electromagnetism respectively, described whole-control system and the first electro hydraulic valve
With the second electro hydraulic valve electrical connection.
Further, described electromagnetism includes permanent magnet, flux sleeve, magnetic conductive board, brake pad, return bullet with friction integrated arrestor
Spring, one opening of described flux sleeve contacts composition and closes space with magnetic conductive board, and the side of magnetic conductive board is fixing connects permanent magnet, institute
State permanent magnet be positioned at flux sleeve and constitute a confined space connected with high pressure oil storage tank, forever with side, the bottom surface of flux sleeve
It is provided with return spring between magnet and the bottom surface of flux sleeve, is provided with between described flux sleeve and high pressure oil storage tank and the first automatically controlled liquid
Pressure valve；At the opposite side fixing connection brake pad of described magnetic conductive board, and described brake pad is near brake disc.
Further, it is additionally provided with pressure limiting valve between described flux sleeve and high pressure oil storage tank.
Further, between said two metallic rod pin joint to push rod distance more than to electromagnetism with friction integrated arrestor away from
From.
Further, described wheel hub, rotor and brake disc are all connected with motor stator by bearing.
Further, described rotor is fixing with brake disc employing stay bolt is connected.
Further, the end face of described brake disc uses high-abrasive material.
In the present invention, the direct drive hub of rotor of In-wheel motor driving system motor, simple in construction, transmission efficiency is high,
Owing to axletree does not rotates, decrease rotating torque and the rotary inertia of automobile, improve comfortableness and the safety of automobile.
Motor braking system is provided with electromagnetism and friction integrated arrestor, two electro hydraulic valves and metallic rod, entire car controller according to
The signal collected judge severity of braking to control unlatching and the disconnection of hydraulic valve, owing to there is metallic rod, it is not necessary to increase high pressure
The pressure of oil just can realize the switching of braking situations；First carry out electromagnetic braking so that wheel first slows down, and enters if there is a need to again
Row frictional damping, makes parking of automobile, reduces the degree of wear of brake, it is possible to the braking situations set by quickly realizing,
Good braking effect.
Accompanying drawing explanation
Fig. 1 is the structure chart driven and brake integrated system based on wheel hub motor of the present invention.
Description of reference numerals is as follows:
1-motor stator；2-wheel hub；3-rotor；4-brake disc；5-axletree；6-bearing；7-high pressure oil storage tank；8-first
Electro hydraulic valve；9-the second electro hydraulic valve；10-push rod；11-cylinder；12-conduit；13-permanent magnet；14-flux sleeve；15-
Magnetic conductive board；16-bolt；17-brake pad；18 metallic rod；19-screw；20-pressure limiting valve；21-return spring
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
As it is shown in figure 1, the driving based on wheel hub motor of the present invention includes In-wheel motor driving system, electricity with braking integrated system
Magnetic and friction braking system and whole-control system, In-wheel motor driving system includes axletree 5, with described axletree 5 coaxial welding
Motor stator 1, wheel hub 2, rotor 3 and brake disc 4, described wheel hub 2, rotor 3 and brake disc 4 are pacified successively
Being contained on motor stator 1 and be rotationally connected by bearing 6 with motor stator 1, rotor 3 and wheel hub 2 use bolt solid
Fixed connection, electronics rotor 3 is connected with stay bolt 16 is fixing with brake disc 4.In the present invention, In-wheel motor driving system uses
The direct drive hub 2 of rotor 3, simple in construction, transmission efficiency is high, simultaneously because axletree maintains static dynamic, decreases vapour
The rotating torque of car and rotary inertia, improve comfortableness and the safety of automobile.Described brake disc 4 uses antifriction material to make,
Extend the service life of brake disc 4.
Electromagnetism and friction braking system include electromagnetism and friction integrated arrestor, high pressure oil storage tank the 7, first electro hydraulic valve 8, the
Two electro hydraulic valves 9, push rod 10, cylinder 11 and metallic rod 18.Electromagnetism has two with friction integrated arrestor, is respectively mounted
In the both sides of brake disc 4, each electromagnetism includes permanent magnet 13, flux sleeve 14, magnetic conductive board 15 with friction integrated arrestor, rubs
Cleaning block 17, return spring 21 and pressure limiting valve 20,14 1 openings of described flux sleeve contact composition and close sky with magnetic conductive board 15
Between, the side of magnetic conductive board 15 is fixing connects permanent magnet 13, described permanent magnet 13 be positioned at flux sleeve 14 and with flux sleeve 14
Side, bottom surface constitute the confined space that connects with high pressure oil storage tank 7 so that permanent magnet 13 is being led when motoring condition
Inside magnetosheath 14, flux sleeve 14 and magnetic conductive board 15 seal permanent magnet 13, and permanent magnet 13 does not externally show magnetic, permanent magnet 13
And it is provided with return spring 21 between the bottom surface of flux sleeve 14, is provided with between described flux sleeve 14 and high pressure oil storage tank 7 and first
Electro hydraulic valve 8；At the opposite side fixing connection brake pad 17 of described magnetic conductive board 15, and described brake pad 17 is near brake disc
4.It is additionally provided with pressure limiting valve 20 between described flux sleeve 14 and high pressure oil storage tank 7.
Described cylinder 11 is two, and the uniform both sides with brake disc 4, described push rod 10 is positioned at cylinder 11, and passes through conduit
12 are connected with the second electro hydraulic valve 9, and the first electro hydraulic valve 8 and the second electro hydraulic valve 9 are stored up with high pressure by conduit 12
Oil tank 7 connects, and described metallic rod 18 has two and in middle part cross-articulation, one end of said two metallic rod 18 respectively with
Two push rod 10 is hinged, the other end is hinged with two permanent magnets 13 respectively, is intersected by screw 19 between two metallic rod 18
Hinged, and described screw 19 to the distance of push rod 10 more than the distance of screw 19 to permanent magnet 13.Whole-control system and
One electro hydraulic valve 8 and the second electro hydraulic valve 9 electrically connect.Wheel hub motor brakes of the present invention is provided with electromagnetism and friction collection
Becoming brake, first electro hydraulic valve the 8, second electro hydraulic valve 9 and the metallic rod 18, entire car controller is according to collecting
Signal judge severity of braking to control unlatching and the disconnection of hydraulic valve, owing to there is metallic rod 18, it is not necessary to increase hydraulic oil pressure
Power just can realize the switching of braking situations；First carry out electromagnetic braking so that wheel first slows down, carry out friction system the most again
Dynamic, make parking of automobile, reduce the degree of wear of brake, it is possible to the braking situations set by quickly realizing, braking effect
Good.
Whole-control system includes wheel speed sensors, brake pedal moment sensor, brake pedal displacement transducer and Electronic Control
Unit (ECU), ECU receives from wheel speed sensors, brake pedal moment sensor and the letter of brake pedal displacement transducer
Number, judge the size of severity of braking Z through comprehensive collected signal, and control the first electricity according to the different range of severity of braking Z
Control hydraulic valve 8 and the open and close of the second electro hydraulic valve 9, thus open different braking modes.
When whole-control system judges severity of braking Z=0, close the first electro hydraulic valve 8 and the second electro hydraulic valve 9, this
Time flux sleeve 14 seal permanent magnet 13 with magnetic conductive board 15, permanent magnet 13 does not externally show magnetic, is passed through electric current to wheel hub motor,
Rotor 3 rotates, and the rotor of rotation drives fixes the wheel hub 2 of connection with bolt and brake disc 4 rotates, the wheel of rotation therewith
Hub 2 drives running car.
When whole-control system judges that severity of braking Z < when 0.2, opens current vortex braking mode: i.e. ECU controls to open the first electricity
Control hydraulic valve 8, cuts out the second electro hydraulic valve 9, and hydraulic oil enters the first electric-controlled hydraulic from high pressure oil storage tank 7 along conduit 12
Valve 8 and then the intracavity of inflow flux sleeve 14, overcome the pretightning force of the return spring 22 being connected with flux sleeve inwall to promote permanent magnetism
Body 13 moves towards brake disc 4, makes permanent magnet 13 move along flux sleeve 14, magnetic conductive board bolted with permanent magnet 13
15 also move, and now magnetic conductive board 15 and flux sleeve 14 can not close permanent magnet 13, so that the magnetic field that permanent magnet 13 produces
Externally aobvious magnetic, the first electro hydraulic valve 8 is passed through the size of electric current by control and controls the amount of the hydraulic oil in inflow catheter 12,
Thus control the amount of movement of permanent magnet 13, and then control the gap between brake disc 4 and permanent magnet 13, brake disc 4 and permanent magnetism
Gap between body 13 decides the magnetic field intensity of permanent magnet 13, and the brake disc 4 of rotation is produced in the magnetic field that permanent magnet 13 produces
Raw current vortex, produces braking moment and makes brake disc 4 slow down, along with continuing of permanent magnet 13 because of interaction between current vortex and magnetic field
Continuous mobile, magnetic field intensity is more and more strong, and the braking moment of generation also continues to increase and brake disc 4 constantly slowed down until vehicle
Ramp to stop.
When whole-control system judges severity of braking 0.2 ＜ Z ＜ 0.7, if the regenerative braking force of motor disclosure satisfy that car braking needs
Ask, speed higher than motor effective brake speed time, open motor regenerative braking pattern: i.e. whole-control system control wheel hub electricity
Machine enters generator condition, carries out the regenerative braking of motor, reclaims vehicle braking energy；If the maximum that motor can provide is again
Raw brake force can not meet vehicle braking requirement, then whole-control system control the while motor provides maximum regenerative braking force
One electro hydraulic valve 8 is opened, and the second electro hydraulic valve 9 is not turned on, and the braking moment that remaining brake force is produced by current vortex is come
There is provided.
When whole-control system receives wheel speed sensors signal, brake pedal moment sensor signal and brake pedal displacement sensing
Device signal, signal comprehensively collected for ECU judges when automobile is in lower long slope holding braking, opens electromagnetism and friction Associated brake
Pattern: i.e. vehicle control unit controls opens the first electro hydraulic valve 8, closes the second electro hydraulic valve 9, and the wheel speed sensors moment is examined
Surveying the speed of automobile, and signal is fed back to entire car controller, entire car controller constantly adjusts logical according to the signal of wheel speed sensors
Entering the size of the first electro hydraulic valve 8 electric current to control the amount of the hydraulic oil in inflow catheter 12, hydraulic oil flows along conduit 12
Enter the intracavity of flux sleeve 14, overcome the pretightning force of the return spring 22 being connected with flux sleeve inwall to promote permanent magnet 13 towards braking
Dish 4 moves, and makes permanent magnet 13 move along flux sleeve 14, and magnetic conductive board 15 bolted with permanent magnet 13 also moves, this
Time magnetic conductive board 15 can not close permanent magnet 13 with flux sleeve 14 so that the magnetic field that permanent magnet 13 produces externally shows magnetic,
The brake disc 4 rotated produces current vortex in the magnetic field that permanent magnet 13 produces, and produces system between current vortex and magnetic field because of interaction
Kinetic moment makes brake disc 4 slow down, and along with continuing to move to of permanent magnet 13, magnetic field intensity is more and more strong, and the braking moment of generation is also
Continuing to increase and brake disc 4 is constantly slowed down, the outside of magnetic conductive board 15 is also consolidated with brake pad 17, along with magnetic conductive board 15 with
Continuing to move to of permanent magnet 13, brake pad 17 contacts with brake disc 4, produces frictional damping, in the process wheel speed sensors
Detecting when speed is reduced to close to target stabilizing speed, entire car controller again controls the first electro hydraulic valve 8 and opens, and controls
System is passed through the electric current of the first electro hydraulic valve 8, closes the first electro hydraulic valve 8 afterwards, repeats braking procedure above until taking turns
Speed sensor detect the speed position of automobile at target stabilizing speed, the electromagnetic braking moment that now produces in brake disc 4 and rubbing
The equalising torque of the weight component along ramp that frictional damping moment and the automobile that cleaning block 17 produces is suffered on ramp, automobile with
Target stabilizing speed lower long slope travels.
When entire car controller judges car braking intensity Z > 0.7 time, open emergency brake modes: i.e. ECU controls the first automatically controlled liquid
Pressure valve 8 is closed, and opens the second electro hydraulic valve 9, and hydraulic oil enters the second electric-controlled hydraulic from high pressure oil storage tank 7 through conduit 12
Valve 9, and then promote push rod 10 to move along conduit 12, owing to one end hinge of metallic rod 18 push rod 10, another
End hinge permanent magnet 13, and the lap punching of two metallic rod 18 is fixed with screw 19, and screw 19 arrives
The metallic rod length of push rod 10, more than the metallic rod length of screw 19 to permanent magnet 13, which forms scissors principle, works as high pressure
When oil promotes push rod 10 to move, metallic rod 18, with screw 19 as fulcrum, promotes the most hinged permanent magnet 13 towards brake disc
4 move, due to permanent magnet 13 when motoring condition inside flux sleeve 14, flux sleeve 14 and magnetic conductive board 15 seal forever
Magnet 13 so that permanent magnet 13 does not externally show magnetic, now due to the impetus of hydraulic oil, makes permanent magnet 13 along magnetic conduction
Set 14 moves, and magnetic conductive board 15 bolted with permanent magnet 13 also moves, and now magnetic conductive board 15 can not be closed with flux sleeve 14
Permanent magnet 13, so that the magnetic field that permanent magnet 13 produces is in the most aobvious magnetic, the brake disc 4 of rotation produces at permanent magnet 13
Magnetic field in produce current vortex, produce braking moment between current vortex and magnetic field because of interaction and make brake disc 4 slow down, along with forever
Continuing to move to of magnet 13, magnetic field intensity is more and more strong, and the braking moment of generation also continues to increase and brake disc 4 is constantly subtracted
Speed, magnetic conductive board, the outside of 15 is also consolidated with brake pad 17, along with continuing to move to of magnetic conductive board 15 and permanent magnet 13, brake pad
17 contact with brake disc 4, produce frictional damping；Owing to the center of circle of screw 19 is more than to the metallic rod length of push rod 10 pin joint
The center of circle of screw 19 is to the metallic rod length of permanent magnet 13 pin joint, so same hydraulic oil can provide bigger thrust,
Promoting magnetic conductive board 15 and brake pad 17 to shift to brake disc 4 rapidly, the change of magnetic field strength that now brake disc 4 is in is very big,
The current vortex produced is very big, and big current vortex produces the biggest braking moment in the magnetic field that change is big, adds rubbing of brake block
Wiping the braking moment of braking, two kinds of braking moment superpositions make automobile brake rapidly.
Described embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, without departing substantially from this
In the case of the flesh and blood of invention, any conspicuously improved, replacement or modification that those skilled in the art can make are equal
Belong to protection scope of the present invention.
Claims (7)
1. driving based on wheel hub motor and a braking integrated system, including In-wheel motor driving system, electromagnetism and frictional damping
System and whole-control system, it is characterised in that: described In-wheel motor driving system includes axletree (5), with described axletree (5)
Motor stator (1), wheel hub (2), rotor (3) and the brake disc (4) being fixedly and coaxially connected, described wheel hub (2), electricity
Machine rotor (3) and brake disc (4) are sequentially arranged at motor stator (1) and above and are rotationally connected with motor stator (1), institute
Stating that wheel hub (2) and rotor (3) are fixing to be connected, described rotor (3) is fixed with brake disc (4) and is connected, electromagnetism
With friction braking system include electromagnetism with friction integrated arrestor, the first electro hydraulic valve (8), the second electro hydraulic valve (9),
High pressure oil storage tank (7), push rod (10), cylinder (11) and metallic rod (18), described electromagnetism has two with friction integrated arrestor
Individual, it is separately mounted to the both sides of brake disc (4) and is connected with the first electro hydraulic valve (8) by conduit (12), described
Cylinder (11) is two, is distributed in brake disc (4) both sides, and described push rod (10) is positioned at cylinder (11), and by leading
Pipe (12) is connected with the second electro hydraulic valve (9), and the first electro hydraulic valve (8) and the second electro hydraulic valve (9) all pass through
Conduit (12) is connected with described high pressure oil storage tank (7), and described metallic rod (18) has two and in middle part cross-articulation, institute
State one end of two metallic rod (18) respectively with two push rod (10) is hinged, the other end is integrated with friction with two electromagnetism respectively
Brake is hinged, described whole-control system and the first electro hydraulic valve (8) and the second electro hydraulic valve (9) electrical connection.
Driving based on wheel hub motor the most according to claim 1 and braking integrated system, it is characterised in that: described electromagnetism
Permanent magnet (13), flux sleeve (14), magnetic conductive board (15), brake pad (17), return spring is included with friction integrated arrestor
(21), (14) openings of described flux sleeve contact composition and close space, the one of magnetic conductive board (15) with magnetic conductive board (15)
Side is fixing connects permanent magnet (13), described permanent magnet (13) be positioned at flux sleeve (14) and with the side of flux sleeve (14),
Bottom surface constitutes a confined space connected with high pressure oil storage tank (7), sets between the bottom surface of permanent magnet (13) and flux sleeve (14)
Having return spring (21), described flux sleeve (14) is connected with the first electro hydraulic valve (8) by conduit (12), and described the
One electro hydraulic valve (8) is connected with high pressure oil storage tank (7) also by conduit (12)；At another of described magnetic conductive board (15)
The fixing brake pad (17) that connects in side, and described brake pad (17) is near brake disc (4).
Driving based on wheel hub motor the most according to claim 2 and braking integrated system, it is characterised in that: described magnetic conduction
It is additionally provided with pressure limiting valve (20) between set (14) and high pressure oil storage tank (7).
Driving based on wheel hub motor the most according to claim 1 and braking integrated system, it is characterised in that: said two
Between metallic rod (18), pin joint is more than the distance to electromagnetism with friction integrated arrestor to the distance of push rod (10).
Driving based on wheel hub motor the most according to claim 1 and braking integrated system, it is characterised in that: described take turns
Hub (2), rotor (3) and brake disc (4) are all connected with motor stator (1) by bearing (6).
Driving based on wheel hub motor the most according to claim 1 and braking integrated system, it is characterised in that: described motor
Rotor (3) is fixing with brake disc (4) employing stay bolt (16) to be connected.
Driving based on wheel hub motor the most according to claim 1 and braking integrated system, it is characterised in that: described braking
The end face of dish (4) uses high-abrasive material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410683041.5A CN104553744B (en) | 2014-11-24 | 2014-11-24 | A kind of driving based on wheel hub motor and braking integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683041.5A CN104553744B (en) | 2014-11-24 | 2014-11-24 | A kind of driving based on wheel hub motor and braking integrated system |
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| CN104553744A CN104553744A (en) | 2015-04-29 |
| CN104553744B true CN104553744B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365584A (en) * | 2015-06-01 | 2016-03-02 | 中国农业大学 | Novel mechanical, electric and magnetic coupling braking energy recovering system |
| CN106143118B (en) * | 2016-07-15 | 2018-09-14 | 吉林大学 | A kind of automobile with disc type wheel hub motor |
| CN107839471A (en) * | 2017-12-19 | 2018-03-27 | 华东交通大学 | A kind of hub motor for electric automobile intelligent heat dissipation system and control method |
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| CN201890157U (en) * | 2010-11-23 | 2011-07-06 | 江苏大学 | Permanent magnetic parking and braking device |
| CN102336133A (en) * | 2011-07-06 | 2012-02-01 | 中国农业大学 | Braking energy recycling, braking and driving system of feedback lockup type hub motor of electric automobile |
| JP2013082321A (en) * | 2011-10-11 | 2013-05-09 | Toyota Motor Corp | Wheel braking and driving apparatus |
| DE102012216130A1 (en) * | 2012-09-12 | 2013-08-29 | Schaeffler Technologies AG & Co. KG | Wheel hub drive for wheel of motor car e.g. bicycle, has electric drive motor having gear box that is arranged radially inside of rotor and stator formed of space |
| CN103448531A (en) * | 2013-08-15 | 2013-12-18 | 安徽工程大学 | Electric driving wheel with cooling function |
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Patent Citations (5)
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|---|---|---|---|---|
| CN201890157U (en) * | 2010-11-23 | 2011-07-06 | 江苏大学 | Permanent magnetic parking and braking device |
| CN102336133A (en) * | 2011-07-06 | 2012-02-01 | 中国农业大学 | Braking energy recycling, braking and driving system of feedback lockup type hub motor of electric automobile |
| JP2013082321A (en) * | 2011-10-11 | 2013-05-09 | Toyota Motor Corp | Wheel braking and driving apparatus |
| DE102012216130A1 (en) * | 2012-09-12 | 2013-08-29 | Schaeffler Technologies AG & Co. KG | Wheel hub drive for wheel of motor car e.g. bicycle, has electric drive motor having gear box that is arranged radially inside of rotor and stator formed of space |
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Effective date of registration: 20211228 Address after: 101200 room 205-211526, No. 40, Fuqian West Street, Pinggu town, Pinggu District, Beijing (cluster registration) Patentee after: BEIJING YONGBO TECHNOLOGY CO.,LTD. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |
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