CN104029713A - Bevel-gear-type vehicle drive-by-wire steering wheel device - Google Patents
Bevel-gear-type vehicle drive-by-wire steering wheel device Download PDFInfo
- Publication number
- CN104029713A CN104029713A CN201410207768.6A CN201410207768A CN104029713A CN 104029713 A CN104029713 A CN 104029713A CN 201410207768 A CN201410207768 A CN 201410207768A CN 104029713 A CN104029713 A CN 104029713A
- Authority
- CN
- China
- Prior art keywords
- casing
- bearing
- fixedly mounted
- bevel gear
- screw
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 238000013016 damping Methods 0.000 abstract 1
- 230000002457 bidirectional effect Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Seats For Vehicles (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention discloses a bevel-gear-type vehicle drive-by-wire steering wheel device in order to achieve the purposes that the rotation angle of a steering wheel can be detected accurately, adjustable and appropriate road feels can be provided for drivers, the working mode can be changed on different working conditions and full-wheel-steering rotation turns are completed by adjusting the steering wheel. A gear shaft is installed in a bearing seat of a box through a bearing, an electromagnetic coil is fixedly installed on the box, and a damping disk is fixedly connected to the lower end of the gear shaft. A driven bevel gear is fixedly installed at the right end of a transmission lead screw, a driving bevel gear is fixedly installed on the gear shaft, and the driven bevel gear and the driving bevel gear are installed in a meshed, transmission and matched mode. A transmission lead screw is installed on the box through a bearing, and a transmission nut and the transmission lead screw are installed in a transmission and matched mode. A shell of an angular displacement sensor is fixedly installed on the box, and an input hollow shaft of the angular displacement sensor is fixedly connected with the transmission lead screw. The bevel-gear-type vehicle drive-by-wire steering wheel device is suitable for being used as a drive-by-wire steering wheel of a vehicle.
Description
Technical field
The present invention relates to a kind of vehicle steering device, specifically a kind of bevel gear type vehicle line traffic control steering direction dish device.
Background technology
The function of steering swivel system is the travel direction of maneuver vehicle, and system should be able to keep vehicle stabilization as required along straight-line travelling, and can change neatly as requested travel direction.Be that manipulation light and flexible, working stability are reliable, use is economical durable to the basic demand of steering swivel system, turning efficiency is to ensure vehicle safe driving, alleviates the labour intensity of chaufeur, the key factor of raising work production rate.Steering swivel system is the crucial assembly that determines vehicle safety and operating efficiency.
Number of patent application is the vehicle line traffic control steering direction dish device of 201310025567.X, can under different working conditions, change mode of operation, be adjusted at bearing circle under corresponding modes and complete the rotation number of turns entirely turning to, and can accurately detect the anglec of rotation of bearing circle, can provide adjustable, suitable road feel for chaufeur.In described vehicle line traffic control steering direction dish device, in the time of rotating of steering wheel, will drive bidirectional hydraulic pump to rotate, the hydraulic oil of bidirectional hydraulic pump output enters proportional throttle valve, enter again the oil inlet of bidirectional hydraulic pump from proportional throttle valve hydraulic oil out, different orifice sizes is opened in the information of road surface instruction that proportional throttle valve comes according to micro-control unit transmission, make to produce corresponding difference of pressure between the oil inlet of bidirectional hydraulic pump and oil outlet, the application force that difference of pressure produces thus will be applied to and on bearing circle, produce corresponding dumping force, can provide corresponding road feel feedback to chaufeur, differential pressure transducer constantly detects pressure difference value the output electrical signals between bidirectional hydraulic pump and proportional throttle valve oil inlet and outlet, control the orifice size of resize ratio flow regulating valve, and then reach suitable road feel state.This vehicle line traffic control steering direction dish device, use proportional throttle valve and bidirectional hydraulic pump to provide suitable road feel to chaufeur, will certainly increase the mechanical component such as bidirectional hydraulic pump, proportional throttle valve, fuel tank and Fill valve, not only increase the weight of this device, and pipeline structure complexity, volume is too fat to move, has increased installation difficulty, caused manufacturing cost significantly to raise, waste material simultaneously.
Therefore design a kind of new vehicle steering-by-wire steering wheel arrangement and become very and be necessary, be conducive to promote exploitation, the development of wire-controlled steering system and apply.
Summary of the invention
Bevel gear type vehicle line traffic control steering direction dish device provided by the invention, can overcome deficiency of the prior art, simplify mechanical device structure, lower installation difficulty and cost, can accurately detect the anglec of rotation of bearing circle simultaneously, can be for chaufeur provides adjustable, suitable road feel, and can under different operating modes, change mode of operation, adjust bearing circle and complete the rotation number of turns entirely turning to.
In order to solve above-mentioned technical matters, the present invention adopts following technical proposals: steering wheel arrangement is made up of angular-motion transducer, casing, turn-screw, driving nut, driven wheel of differential, drive bevel gear, roller bearing end cap, gear wheel shaft, Box Cover, dampened disk, magnet coil, stroke baffle, positive stop, electromagnet, block supporting seat and approach switch, the housing of described angular-motion transducer is fixedly mounted on casing, the input hollow shaft of described angular-motion transducer and the left end of turn-screw are fixedly connected, the left end of described turn-screw is arranged on by bearing in the bearing seat in casing left side, the right-hand member of described turn-screw is arranged on by bearing in the bearing seat at casing middle part, described driving nut profile is square, described driving nut coordinates installation with the threaded portion transmission of turn-screw, described driving nut front side shaft is provided with sensor block to midway location, described stroke baffle and driving nut rear side are fixedly connected, described stroke baffle is provided with a long recess, length direction Central Symmetry position at long recess is provided with a short groove, on described block supporting seat fixed installation casing, the upper and lower both sides of described block supporting seat are provided with backplate, the inwall of upper and lower two side guard plates of described block supporting seat and two lateral walls of stroke baffle are slidably installed, upper and lower two side guard plates of described block supporting seat are not in order to rotate driving nut with turn-screw, the movable core of described positive stop and electromagnet is fixedly connected, described positive stop can move in the long recess or short groove of stroke baffle under the driving of electromagnet, the inwall of described positive stop and block supporting seat is slidably installed, the housing of described electromagnet is fixedly mounted on casing, the lower end of described gear wheel shaft is fixedly mounted on by bearing in the bearing seat of casing lower end, the upper end of described gear wheel shaft is fixedly mounted on by bearing in the bearing seat of casing upper end, described driven wheel of differential is fixedly mounted on the right-hand member of turn-screw, described drive bevel gear is fixedly mounted on gear wheel shaft, described driven wheel of differential coordinates installation with drive bevel gear engaged transmission, the housing of described magnet coil is fixedly mounted on casing, there is gap in the housing of described magnet coil and the lower end of gear wheel shaft, described dampened disk is fixedly connected in the lower end of gear wheel shaft, described roller bearing end cap is fixedly mounted in the bearing seat of casing upper end, described approach switch is fixedly mounted on the small rack of casing front side, described Box Cover is fixedly mounted on casing right side.
Described angular-motion transducer is shaft-position encoder.When at bearing circle in vehicle straight-line travelling the position, the length direction center of described driving nut and positive stop center superposition, the center superposition of the center of the sensor block on described driving nut and the inductive head of approach switch.The symmetrical plane of the symmetrical plane of described driving nut left and right sides and stroke baffle left and right sides is coplanar.The axial line of described turn-screw and the axial line of gear wheel shaft intersect vertically.
Employing the invention has the beneficial effects as follows, can accurately detect the anglec of rotation of bearing circle, can provide adjustable, suitable road feel to chaufeur, and can under different operating modes, change mode of operation, adjust bearing circle complete the rotation number of turns entirely turning to, have good application value.
Brief description of the drawings
Fig. 1 is the front view of bevel gear type vehicle line traffic control steering direction dish device of the present invention;
Fig. 2 is A-A cutaway view of Fig. 1.
In figure: angular-motion transducer 1 casing 2 turn-screw 3 driving nut 4 driven wheel of differential 5 drive bevel gear 6 roller bearing end cap 7 gear wheel shaft 8 Box Cover 9 magnet coil 10 dampened disk 11 stroke baffle 12 positive stop 13 electromagnet 14 block supporting seat 15 approach switchs 16.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
In Fig. 1 and Fig. 2, bevel gear type vehicle line traffic control steering direction dish device is mainly made up of angular-motion transducer 1, casing 2, turn-screw 3, driving nut 4, driven wheel of differential 5, drive bevel gear 6, roller bearing end cap 7, gear wheel shaft 8, Box Cover 9, magnet coil 10, dampened disk 11, stroke baffle 12, positive stop 13, electromagnet 14, block supporting seat 15 and approach switch 16, the housing of described angular-motion transducer 1 is fixedly mounted on casing 2, the input hollow shaft of described angular-motion transducer 1 and the left end of turn-screw 3 are fixedly connected, the left end of described turn-screw 3 is arranged on by bearing in the bearing seat in casing 2 left sides, the right-hand member of described turn-screw 3 is arranged on by bearing in the bearing seat at casing 2 middle parts, described driving nut 4 profiles are square, described driving nut 4 coordinates installation with the threaded portion transmission of turn-screw 3, described driving nut 4 front side shaft are provided with sensor block to midway location, described stroke baffle 12 is fixedly connected with driving nut 4 rear sides, described stroke baffle 12 is provided with a long recess, length direction Central Symmetry position at long recess is provided with a short groove, described block supporting seat 15 fixedly mounts on casing 2, the upper and lower both sides of described block supporting seat are provided with backplate, the inwall of upper and lower two side guard plates of described block supporting seat and two lateral walls of stroke baffle are slidably installed, upper and lower two side guard plates of described block supporting seat are not in order to rotate driving nut with turn-screw, described positive stop 13 is fixedly connected with the movable core of electromagnet 14, described positive stop 13 can move in the long recess or short groove of stroke baffle 12 under the driving of electromagnet 14, described positive stop 13 is slidably installed with the inwall of block supporting seat 15, the housing of described electromagnet 14 is fixedly mounted on casing 2, the lower end of described gear wheel shaft 8 is fixedly mounted on by bearing in the bearing seat of casing 2 lower ends, the upper end of described gear wheel shaft 8 is fixedly mounted on by bearing in the bearing seat of casing 2 upper ends, described driven wheel of differential 5 is fixedly mounted on the right-hand member of turn-screw 3, described drive bevel gear 6 is fixedly mounted on gear wheel shaft 8, described driven wheel of differential 5 coordinates installation with drive bevel gear 6 engaged transmission, the housing of described magnet coil 10 is fixedly mounted on casing 2, there is gap in the housing of described magnet coil and the lower end of gear wheel shaft, described dampened disk 11 is fixedly connected in the lower end of gear wheel shaft 8 by key and nut, described roller bearing end cap 7 is fixedly mounted in the bearing seat of casing 2 upper ends, described approach switch 16 is fixedly mounted on the small rack of casing 2 front sides, described Box Cover 9 is fixedly mounted on casing 2 right sides.
Bearing circle connects with gear wheel shaft 8 by coupler, and the rotation meeting driven gear axle 8 of bearing circle and the drive bevel gear 6 being fixed on gear wheel shaft 8 are rotated.Drive bevel gear 6 drives turn-screw 3 and the angular-motion transducer 1 that is fixed on turn-screw 3 left ends to rotate by driven wheel of differential 5.The angle that angular-motion transducer 1 turns over for detection of bearing circle, and feed back to controller.Magnet coil 10 and dampened disk 11 are for realizing road feel feedback, and controller passes through the size of current of magnet coil 10 by control, and then produces different lock torques, realize road feel feedback.
In the time that vehicle will enter low speed work pattern, controller makes electromagnet 14 drive positive stop 13 to stretch in the short groove of stroke baffle 12 by instruction, and controller is record state now automatically.Operating personal direction of operating dish is left or in the process of right rotation half-turn, and angular-motion transducer 6 Real-time Feedback corner information, drive steering hardware by controller, realize vehicle left or right-hand turning to.Meanwhile, driving nut 4 together with stroke baffle 12 left or move right.When bearing circle is during left or to the enough half-turns of right rotation, positive stop 13 will be stuck on the inwall of short groove of stroke baffle 12, now bearing circle just cannot rotate again, and this Time Controller drives steering hardware to realize vehicle entirely turning to or to the right left.
When vehicle will enter while running at high speed pattern, controller makes electromagnet 14 drive positive stop 13 to stretch in the long recess of stroke baffle 12 by instruction, and controller is record state now automatically.Operating personal direction of operating dish is left or in the process of right rotation two circle half, angular-motion transducer 6 Real-time Feedback corner information, drive steering hardware by controller, realize vehicle left or right-hand turning to.Meanwhile, driving nut 4 together with stroke baffle 12 left or move right.When bearing circle encloses halfs left or to right rotation enough two, positive stop 13 will be stuck on the inwall of long recess of stroke baffle 12, now bearing circle just cannot rotate again, and this Time Controller drives steering hardware to realize vehicle entirely turning to or to the right left.
Claims (5)
1. a bevel gear type vehicle line traffic control steering direction dish device, is characterized in that: be mainly made up of angular-motion transducer (1), casing (2), turn-screw (3), driving nut (4), driven wheel of differential (5), drive bevel gear (6), roller bearing end cap (7), gear wheel shaft (8), Box Cover (9), magnet coil (10), dampened disk (11), stroke baffle (12), positive stop (13), electromagnet (14), block supporting seat (15) and approach switch (16), the housing of described angular-motion transducer (1) is fixedly mounted on casing (2), the left end of the input hollow shaft of described angular-motion transducer (1) and turn-screw (3) is fixedly connected, the left end of described turn-screw (3) is arranged on by bearing in the bearing seat in casing (2) left side, the right-hand member of described turn-screw (3) is arranged on by bearing in the bearing seat at casing (2) middle part, described driving nut (4) profile is square, described driving nut (4) coordinates installation with the threaded portion transmission of turn-screw (3), described driving nut (4) front side shaft is provided with sensor block to midway location, described stroke baffle (12) is fixedly connected with driving nut (4) rear side, described stroke baffle (12) is provided with a long recess, length direction Central Symmetry position at long recess is provided with a short groove, on described block supporting seat (15) fixed installation casing (2), the upper and lower both sides of described block supporting seat (15) are provided with backplate, the inwall of upper and lower two side guard plates of described block supporting seat (15) and two lateral walls of stroke baffle (12) are slidably installed, upper and lower two side guard plates of described block supporting seat (15) are not in order to rotate driving nut (4) with turn-screw (3), described positive stop (13) is fixedly connected with the movable core of electromagnet (14), described positive stop (13) can move in the long recess or short groove of stroke baffle (12) under the driving of electromagnet (14), described positive stop (13) is slidably installed with the inwall of block supporting seat (15), the housing of described electromagnet (14) is fixedly mounted on casing (2), the lower end of described gear wheel shaft (8) is fixedly mounted on by bearing in the bearing seat of casing (2) lower end, the upper end of described gear wheel shaft (8) is fixedly mounted on by bearing in the bearing seat of casing (2) upper end, described driven wheel of differential (5) is fixedly mounted on the right-hand member of turn-screw (3), described drive bevel gear (6) is fixedly mounted on gear wheel shaft (8), described driven wheel of differential (5) coordinates installation with drive bevel gear (6) engaged transmission, the housing of described magnet coil (10) is fixedly mounted on casing (2), there is gap in the lower end of the housing of described magnet coil (10) and gear wheel shaft (8), described dampened disk (11) is fixedly connected in the lower end of gear wheel shaft (8), described roller bearing end cap (7) is fixedly mounted in the bearing seat of casing (2) upper end, described approach switch (16) is fixedly mounted on the small rack of casing (2) front side, described Box Cover (9) is fixedly mounted on casing (2) right side.
2. bevel gear type vehicle line traffic control steering direction dish device according to claim 1, is characterized in that: described angular-motion transducer (1) is shaft-position encoder.
3. bevel gear type vehicle line traffic control steering direction dish device according to claim 1, it is characterized in that: when at bearing circle in vehicle straight-line travelling the position, the length direction center of described driving nut (4) and positive stop (13) center superposition, the center superposition of the inductive head of the center of the sensor block on described driving nut (4) and approach switch (16).
4. bevel gear type vehicle line traffic control steering direction dish device according to claim 1, is characterized in that: the symmetrical plane of the symmetrical plane of described driving nut (4) left and right sides and stroke baffle (12) left and right sides is coplanar.
5. bevel gear type vehicle line traffic control steering direction dish device according to claim 1, is characterized in that: the axial line of the axial line of described turn-screw (3) and gear wheel shaft (8) intersects vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207768.6A CN104029713B (en) | 2014-05-17 | 2014-05-17 | Bevel gear type vehicle line traffic control steering direction disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207768.6A CN104029713B (en) | 2014-05-17 | 2014-05-17 | Bevel gear type vehicle line traffic control steering direction disk device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104029713A true CN104029713A (en) | 2014-09-10 |
| CN104029713B CN104029713B (en) | 2018-05-25 |
Family
ID=51460780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410207768.6A Expired - Fee Related CN104029713B (en) | 2014-05-17 | 2014-05-17 | Bevel gear type vehicle line traffic control steering direction disk device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104029713B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443004A (en) * | 2014-12-12 | 2015-03-25 | 苏州先锋物流装备科技有限公司 | Electronic steering wheel mechanism |
| CN106853840A (en) * | 2015-12-09 | 2017-06-16 | 财团法人车辆研究测试中心 | Modularity electric auxiliary steering system |
| CN108860120A (en) * | 2018-08-21 | 2018-11-23 | 宁波多维吉汽车科技有限公司 | A kind of electrical servo brake apparatus with multiple-working mode |
| CN113734271A (en) * | 2021-09-13 | 2021-12-03 | 浙江吉利控股集团有限公司 | Steering mechanism for vehicle and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2580101A1 (en) * | 1985-04-09 | 1986-10-10 | Thomson Csf | Force restoring system with electric torque motor |
| CN102320324A (en) * | 2011-06-30 | 2012-01-18 | 浙江大学宁波理工学院 | Wire control steering automobile road sensing simulation executing device |
| CN103359161A (en) * | 2013-07-19 | 2013-10-23 | 青岛科技大学 | Vehicle steer-by-wire steering wheel device |
| CN203345019U (en) * | 2013-07-19 | 2013-12-18 | 青岛科技大学 | Vehicle drive-by-wire steering wheel device |
| JP2014012461A (en) * | 2012-07-04 | 2014-01-23 | Toyota Industries Corp | Handle device |
| CN203844825U (en) * | 2014-05-17 | 2014-09-24 | 青岛科技大学 | Bevel gear type vehicle steer-by-wire steering wheel device |
-
2014
- 2014-05-17 CN CN201410207768.6A patent/CN104029713B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2580101A1 (en) * | 1985-04-09 | 1986-10-10 | Thomson Csf | Force restoring system with electric torque motor |
| CN102320324A (en) * | 2011-06-30 | 2012-01-18 | 浙江大学宁波理工学院 | Wire control steering automobile road sensing simulation executing device |
| JP2014012461A (en) * | 2012-07-04 | 2014-01-23 | Toyota Industries Corp | Handle device |
| CN103359161A (en) * | 2013-07-19 | 2013-10-23 | 青岛科技大学 | Vehicle steer-by-wire steering wheel device |
| CN203345019U (en) * | 2013-07-19 | 2013-12-18 | 青岛科技大学 | Vehicle drive-by-wire steering wheel device |
| CN203844825U (en) * | 2014-05-17 | 2014-09-24 | 青岛科技大学 | Bevel gear type vehicle steer-by-wire steering wheel device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443004A (en) * | 2014-12-12 | 2015-03-25 | 苏州先锋物流装备科技有限公司 | Electronic steering wheel mechanism |
| CN106853840A (en) * | 2015-12-09 | 2017-06-16 | 财团法人车辆研究测试中心 | Modularity electric auxiliary steering system |
| CN108860120A (en) * | 2018-08-21 | 2018-11-23 | 宁波多维吉汽车科技有限公司 | A kind of electrical servo brake apparatus with multiple-working mode |
| CN113734271A (en) * | 2021-09-13 | 2021-12-03 | 浙江吉利控股集团有限公司 | Steering mechanism for vehicle and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104029713B (en) | 2018-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203876812U (en) | Baffle ring type steer-by-wire steering wheel device for vehicle | |
| CN102501917B (en) | Electrically-controlled hydraulically-driven steering device for mobile platform of agricultural robot | |
| CN107458456B (en) | A kind of wire-controlled steering system for being used to container based on hydraulic type | |
| CN203528598U (en) | Multi-axis grouping steering device and multi-axis vehicle | |
| CN104029713A (en) | Bevel-gear-type vehicle drive-by-wire steering wheel device | |
| CN103359161B (en) | Vehicle line traffic control steering direction dish device | |
| CN107150718B (en) | Multi-mode automobile steer-by-wire system | |
| CN104608819A (en) | Multi-axle steering system for multi-axle vehicle and multi-axle vehicle | |
| CN203844825U (en) | Bevel gear type vehicle steer-by-wire steering wheel device | |
| CN104309684A (en) | Circulating ball type magnetofluid electric control hydraulic power steering device and control method | |
| CN103171612A (en) | Steer-by-wire vehicle steering wheel limit mechanism | |
| CN103359164B (en) | For the steering wheel arrangement of steering-by-wire vehicle | |
| CN203345019U (en) | Vehicle drive-by-wire steering wheel device | |
| CN104401391A (en) | Rack and pinion type magnetofluid electric control hydraulic power steering device and control method | |
| CN104085442A (en) | Radial baffle ring type vehicle steer-by-wire steering wheel device | |
| CN204020971U (en) | Radially limit ring type vehicle line traffic control steering direction dish device | |
| CN204784848U (en) | Spin control guiding valve formula servovalve | |
| CN103786545B (en) | A kind of vehicle active stabilizer bar system | |
| CN203158056U (en) | Vehicular steering-by-wire steering wheel device | |
| CN204161448U (en) | A kind of circulating ball type magnetic fluid electric-controlled hydraulic servo steering device | |
| CN104057998A (en) | Baffle-ring-type vehicle line-control steering-wheel device | |
| CN202966419U (en) | Electronic hydraulic power steering control system of road roller | |
| CN206984107U (en) | Multi-mode automobile steer-by-wire system | |
| CN106882264B (en) | Electric control variable flow steering power assisting system | |
| CN107310674B (en) | A kind of steering control system applied to electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20190517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |