CN108235701A - Motor wheel hub structure - Google Patents
Motor wheel hub structure Download PDFInfo
- Publication number
- CN108235701A CN108235701A CN201880000014.XA CN201880000014A CN108235701A CN 108235701 A CN108235701 A CN 108235701A CN 201880000014 A CN201880000014 A CN 201880000014A CN 108235701 A CN108235701 A CN 108235701A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- wheel
- hub motor
- motor
- shaft
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
- B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
- B62M11/16—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the ground-wheel hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
- B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
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- 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
-
- 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
- H02K11/30—Structural association with control circuits or drive circuits
-
- 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
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
- H02K7/003—Couplings; Details of shafts
-
- 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
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention relates to a kind of motor wheel hub structures, free wheel base including wheel hub motor, on wheel hub motor main shaft and the flywheel on free wheel base, the endoporus of the free wheel base is equipped with magnet ring, main shaft corresponding with the magnet ring is equipped with Hall, and the Hall is connected with the controller in wheel hub motor；The free wheel base is mounted on by two clutch shaft bearings on main shaft；The lateral wall of the corresponding main shaft of the Hall is provided with escape groove, and Hall is connected with the connecting line of controller through the escape groove.Magnet ring and Hall of the present invention are respectively arranged on free wheel base and main shaft, exquisiteness simple in structure, are precisely controlled the startup and closing of motor, and power-assisted is with obvious effects.
Description
Technical field
The present invention relates to the motor wheel hub structures of bicycle art more particularly to a kind of bicycle.
Background technology
With the enhancing of people's environmental consciousness, there is energy-efficient electric bicycle increasingly by the blueness of people
It looks at, people are higher and higher to the electric boosted experience requirements of existing bicycle, and the startup and closing of power-assisted are particularly critical, existing
Electric boosted startup and closing control complex structural designs, and sensitivity is inadequate, and power-assisted effect could not obtain good embodiment.
Invention content
The defects of it is an object of the invention to overcome the prior art, and a kind of motor wheel hub structure is provided.
To achieve the above object, the present invention uses following technical scheme：A kind of motor wheel hub structure, including wheel hub motor,
Free wheel base on wheel hub motor main shaft and the flywheel on free wheel base, the endoporus of the free wheel base is equipped with magnet ring, with institute
The corresponding wheel hub motor main shaft of magnet ring is stated equipped with Hall, the Hall is connected with the controller in wheel hub motor；It is described
Free wheel base is mounted on by two clutch shaft bearings on wheel hub motor main shaft；The lateral wall of the corresponding wheel hub motor main shaft of the Hall
Escape groove is provided with, Hall is connected with the connecting line of controller through the escape groove.
Preferably, wheel hub motor main shaft is equipped with stator support, and the controller is mounted on stator support, stator support
Right side be equipped with E type bearing supports；The right end cap of wheel hub motor is set on the outside of E type bearing supports by second bearing, right end cap
Outside is equipped with torsion sensor, is connected between the outer wall of torsion sensor inner ring and the inside of E type bearing supports by 3rd bearing,
The outer ring of torsion sensor is fixed on right end cap.
Preferably, the endoporus of torsion sensor inner ring is connected with free wheel base by ratchet；Torsion sensor inner ring and outer ring
Between be uniformly provided with the spring beam of three or three or more, the medium position of the spring beam is opened up there are two through-hole and mutually
Connection, the spring beam outer surface corresponding to the through-hole are equipped at least two foil gauges, and the foil gauge is electrically connected to torsion plate；
Pass through wireless power and signal transmission between the controller and torsion plate.
Preferably, the wheel hub motor is internal rotor wheel hub motor, and the wheel hub motor main shaft includes left half axle and right half
Axis, the left end cap of wheel hub motor are set on by fourth bearing on left half axle；The stator support includes left socle and right support, institute
The left end that right support is set on right axle shaft is stated, the E type bearing supports are set on the right side of right support, the outer ring of left socle and right support
Outer ring be fixedly connected, sun wheel shaft is set between left socle and right support；Setting and rotor, described fixed in hub motor shell
Son is set between left and right stent and is fixed on left socle, and the rotor is fixedly connected with sun wheel shaft, the left socle and too
Positive wheel shaft is connected by 5th bearing, and the sun gear of the sun wheel shaft passes through planetary gear reducing mechanism and hub motor shell
Connection, the spindle nose of sun wheel shaft are connected with right support, and the controller is mounted on the outer ring of left socle.
Preferably, right axle shaft is equipped with interior blind hole, and line outlet groove, the control are provided between the interior blind hole and right axle shaft side wall
The connecting line of device is stretched out through line outlet groove and interior blind hole.
Preferably, further include wheel rim, the wheel rim and hub motor shell can split connect, hub motor shell right side
For lug boss, controller is placed in the inner cavity of lug boss, and wheel rim is installed in the side of lug boss.
Preferably, right axle shaft and right support are integrally formed.
Preferably, the left side of the right support is equipped with a set of cups, sets 6th bearing in a set of cups, the spindle nose of sun wheel shaft is set
In in 6th bearing.
Preferably, the wheel hub motor is outer rotor hub motor, and the right end cap of the free wheel base and wheel hub motor passes through
Ratchet is connected, and hub motor shell is mounted on by bearing on main shaft or the stator support being fixedly connected with main shaft.
Compared with the prior art, the invention has the advantages that：
1) magnet ring and Hall of the present invention are respectively arranged on free wheel base and main shaft, and exquisiteness simple in structure is precisely controlled motor
Startup and closing, power-assisted is with obvious effects.
2) the outlet structure deft design of control circuit, under the premise of final assembly stability is not influenced, to control line
Road forms good protection.
3) stability of complete machine fit structure of the present invention is high, small power consumption.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the preferred embodiment of the present invention；
Fig. 2 is the section view configuration schematic diagram of the preferred embodiment of the present invention；
Fig. 3 is the front view of the torsion sensor of the preferred embodiment of the present invention.
Specific embodiment
In order to more fully understand the present invention technology contents, with reference to specific embodiment to technical scheme of the present invention into
One step introduction and explanation.
As shown in Figure 1 to Figure 3, a kind of motor wheel hub structure flies including wheel hub motor 1, on wheel hub motor main shaft 2
Wheel seat 3 and the flywheel (figure omits) on free wheel base 3, the endoporus of the free wheel base 3 is equipped with magnet ring 4, with 4 corresponding main shaft of magnet ring
Hall 5 is equipped with, Hall 5 and the controller 6 in wheel hub motor 1 connect；Free wheel base 3 is installed by two clutch shaft bearings 7
On wheel hub motor main shaft 2；The lateral wall of 5 corresponding wheel hub motor main shaft 2 of Hall is provided with escape groove 20, Hall 5 and controller 6
Connecting line connected through escape groove 20.The magnet ring 4 and Hall 5 of the present embodiment are respectively arranged at free wheel base 3 and wheel hub motor main shaft 2
On, exquisiteness simple in structure, flywheel is in linkage status, when bicyclist rides, chain wheel crank according to chain drive and chain wheel crank
Rotation drives flywheel, free wheel base 3 to rotate, and magnet ring 4 is equipped with inside free wheel base 3, and on 4 corresponding wheel hub motor main shaft 2 of magnet ring
Equipped with Hall 5, when magnet ring 4 rotates, Hall 5 detects the variation of magnetic pole and outputs signal to controller 6, when chain wheel crank stops
When rotation stop is moved, flywheel, free wheel base 3 also and then stop, and Hall 5 can't detect the variation of magnetic pole, and then be precisely controlled wheel hub motor 1
Startup and closing, power-assisted is with obvious effects, and forms good protection to the connecting line of Hall 5 and controller 6.
Specifically, wheel hub motor main shaft 2 is equipped with stator support 8, controller 6 is mounted on stator support 8, stator support
8 right side is equipped with E type bearing supports 80；The right end cap 101 of wheel hub motor 1 is set on the outer of E type bearing supports 80 by second bearing 9
Side, the outside of right end cap 101 are equipped with torsion sensor 15, the outer wall 1511 and E type bearing supports 80 of 15 inner ring 151 of torsion sensor
Inside between connected by 3rd bearing 10, the outer ring 152 of torsion sensor 15 is fixed on right end cap 101.
Specifically, the endoporus and free wheel base 3 of 15 inner ring 151 of torsion sensor are connected by ratchet 16；Torsion sensor 15
The spring beam 153 of three or three or more is uniformly provided between inner ring 151 and outer ring 152, the medium position of spring beam 153 opens up
It there are two through-hole 154 and is interconnected, the spring beam outer surface corresponding to through-hole 154 is equipped at least two foil gauges 155, should
Become piece 155 and be electrically connected to torsion plate 17；Pass through wireless power and signal transmission between controller 6 and torsion plate 17.Torsion senses
Device 15 is used to detect the size of legpower, and generates electric signal transmission to torsion plate 17, and controller 6 is according to the size control wheel of legpower
The rotating speed of hub motor 1 completes power-assisted.
Specifically, wheel hub motor 1 is internal rotor wheel hub motor, wheel hub motor main shaft 2 includes left half axle 21 and right axle shaft 22,
The left end cap 102 of wheel hub motor 1 is set on by fourth bearing 13 on left half axle 21；Stator support 8 includes left socle 82 and right branch
Frame 81, right support 81 are set on the left end of right axle shaft 22, and E type bearing supports 80 are outside the right side of right support 81, left socle 82
Circle is fixedly connected with the outer ring of right support 81, and sun wheel shaft 14 is set between left socle 82 and right support 81；Hub motor shell 103
Interior setting 18 and rotor 19, stator 18 are set between left socle 82 and right support 81 and are fixed on left socle 82, rotor 19
It is fixedly connected with sun wheel shaft 14, left socle 82 is connect with sun wheel shaft 14 by 5th bearing 30, the sun of sun wheel shaft 14
Wheel 141 is connect by planetary gear reducing mechanism with hub motor shell 103, the spindle nose 142 of sun wheel shaft 14 and right support 81
Connection, controller 6 are mounted on the outer ring of left socle 82.
Specifically, right axle shaft 22 is equipped with interior blind hole 222, line outlet groove is provided between 22 side wall of interior blind hole 222 and right axle shaft
223, the connecting line of controller 6 is stretched out through line outlet groove 223 and interior blind hole 222.
Specifically, further include wheel rim 105, wheel rim 105 and hub motor shell 103 can split connect, hub motor shell
103 right sides are lug boss 1031, and controller 6 is placed in the inner cavity of lug boss 1031, and wheel rim 105 is installed in the side of lug boss 1031
Side.
Specifically, right axle shaft 22 and right support 81 are integrally formed.
Specifically, the left side of right support 81 is equipped with a set of cups 83,6th bearing 31, the spindle nose of sun wheel shaft 14 are set in a set of cups 83
142 are set in 6th bearing 31.
Another preferred embodiment of the present invention, wheel hub motor 1 are the right side of outer rotor hub motor, free wheel base and wheel hub motor
End cap is connected by ratchet, and hub motor shell is mounted on by bearing on main shaft or the stator support being fixedly connected with main shaft
(figure omits).
It is described above only with embodiment come the technology contents that further illustrate the present invention, in order to which reader is easier to understand,
But embodiments of the present invention are not represented and are only limitted to this, wherein the partial structurtes of each component, connection mode can be according to practical feelings
Condition is adjusted, and any technology done according to the present invention extends or recreation, is protected by the present invention.
Claims (9)
1. a kind of motor wheel hub structure, free wheel base including wheel hub motor, on wheel hub motor main shaft and on free wheel base
Flywheel, which is characterized in that the endoporus of the free wheel base is equipped with magnet ring, and wheel hub motor main shaft corresponding with the magnet ring is equipped with
Hall, the Hall are connected with the controller in wheel hub motor；The free wheel base is mounted on wheel by two clutch shaft bearings
On hub electric machine main shaft；The lateral wall of the corresponding wheel hub motor main shaft of the Hall is provided with escape groove, the connection of Hall and controller
Line is connected through the escape groove.
2. motor wheel hub structure according to claim 1, which is characterized in that wheel hub motor main shaft is equipped with stator support, institute
Controller is stated on stator support, the right side of stator support is equipped with E type bearing supports；The right end cap of wheel hub motor passes through second
Bearing is set on the outside of E type bearing supports, and the outside of right end cap is equipped with torsion sensor, the outer wall of torsion sensor inner ring and E types
It is connected between the inside of bearing block by 3rd bearing, the outer ring of torsion sensor is fixed on right end cap.
3. motor wheel hub structure according to claim 2, which is characterized in that the endoporus and free wheel base of torsion sensor inner ring lead to
Cross ratchet connection；The spring beam of three or three or more, the spring beam are uniformly provided between torsion sensor inner ring and outer ring
Medium position open up there are two through-hole and being interconnected, the spring beam outer surface corresponding to the through-hole is equipped at least two
Foil gauge, the foil gauge are electrically connected to torsion plate；Pass through wireless power and signal transmission between the controller and torsion plate.
4. motor wheel hub structure according to claim 3, which is characterized in that the wheel hub motor is internal rotor wheel hub motor,
The wheel hub motor main shaft includes left half axle and right axle shaft, and the left end cap of wheel hub motor is set on by fourth bearing on left half axle；
The stator support includes left socle and right support, and the right support is set on the left end of right axle shaft, and the E type bearing supports are set on
The right side of right support, the outer ring of left socle are fixedly connected with the outer ring of right support, and sun wheel shaft is set between left socle and right support；
Setting and rotor, the stator are set between left and right stent and are fixed on left socle, the rotor in hub motor shell
It is fixedly connected with sun wheel shaft, the left socle is connect with sun wheel shaft by 5th bearing, the sun gear of the sun wheel shaft
It is connect by planetary gear reducing mechanism with hub motor shell, the spindle nose of sun wheel shaft is connected with right support, the controller
Mounted on the outer ring of left socle.
5. motor wheel hub structure according to claim 4, which is characterized in that right axle shaft be equipped with interior blind hole, the interior blind hole and
Line outlet groove is provided between right axle shaft side wall, the connecting line of the controller is stretched out through line outlet groove and interior blind hole.
6. motor wheel hub structure according to claim 4, which is characterized in that further include wheel rim, the wheel rim and wheel hub motor
Shell can split connection, hub motor shell right side is lug boss, and controller is placed in the inner cavity of lug boss, and wheel rim is installed in convex
The side in the portion of rising.
7. motor wheel hub structure according to claim 4, which is characterized in that right axle shaft and right support are integrally formed.
8. motor wheel hub structure according to claim 4, which is characterized in that the left side of the right support is equipped with a set of cups, described
6th bearing is set in a set of cups, the spindle nose of sun wheel shaft is set in 6th bearing.
9. motor wheel hub structure according to claim 1, which is characterized in that the wheel hub motor is outer rotor hub motor,
The free wheel base is connected with the right end cap of wheel hub motor by ratchet, hub motor shell by bearing be mounted on main shaft or with
On the stator support that main shaft is fixedly connected.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/073562 WO2019140672A1 (en) | 2018-01-21 | 2018-01-21 | Motor hub structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108235701A true CN108235701A (en) | 2018-06-29 |
Family
ID=62657743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880000014.XA Pending CN108235701A (en) | 2018-01-21 | 2018-01-21 | Motor wheel hub structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108235701A (en) |
| WO (1) | WO2019140672A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2597734B (en) * | 2020-07-31 | 2023-01-11 | Ebike Systems Ltd | Electrically-assisted pedal cycles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983671A (en) * | 2012-11-15 | 2013-03-20 | 浙江超级电气科技有限公司 | Integrated intelligent rear-guard wheel hub motor |
| US20150142241A1 (en) * | 2013-11-15 | 2015-05-21 | Mando Corporation | Electric bicycle and control method thereof |
| CN107054545A (en) * | 2017-05-04 | 2017-08-18 | 深圳哥智行科技有限公司 | The trailing wheel of motor wheel hub structure and bicycle |
| CN107508431A (en) * | 2017-09-05 | 2017-12-22 | 潘俊 | A kind of motor of built-in booster sensor |
| CN207766108U (en) * | 2018-01-21 | 2018-08-24 | 深圳一哥智行科技有限公司 | Motor wheel hub structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101783048B1 (en) * | 2011-04-13 | 2017-09-28 | 엘지이노텍 주식회사 | Velocity detecting apparatus for electric bicycle |
| DK3020621T3 (en) * | 2014-11-14 | 2017-02-20 | Lakeview Innovation Ltd | Sensor arrangement for controlling an auxiliary motor and wheel hub unit with such sensor arrangement |
| CN205105041U (en) * | 2015-11-27 | 2016-03-23 | 深圳一哥智行科技有限公司 | Electric bicycle wheel hub |
| CN205675180U (en) * | 2016-06-12 | 2016-11-09 | 南京壹佰克智能科技有限公司 | A kind of motor for electric assisted bicycle |
-
2018
- 2018-01-21 CN CN201880000014.XA patent/CN108235701A/en active Pending
- 2018-01-21 WO PCT/CN2018/073562 patent/WO2019140672A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983671A (en) * | 2012-11-15 | 2013-03-20 | 浙江超级电气科技有限公司 | Integrated intelligent rear-guard wheel hub motor |
| US20150142241A1 (en) * | 2013-11-15 | 2015-05-21 | Mando Corporation | Electric bicycle and control method thereof |
| CN107054545A (en) * | 2017-05-04 | 2017-08-18 | 深圳哥智行科技有限公司 | The trailing wheel of motor wheel hub structure and bicycle |
| CN107508431A (en) * | 2017-09-05 | 2017-12-22 | 潘俊 | A kind of motor of built-in booster sensor |
| CN207766108U (en) * | 2018-01-21 | 2018-08-24 | 深圳一哥智行科技有限公司 | Motor wheel hub structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019140672A1 (en) | 2019-07-25 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |
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| WD01 | Invention patent application deemed withdrawn after publication |