CN102530051B - Tubular column type electric power steering column employing novel torque sensor - Google Patents
Tubular column type electric power steering column employing novel torque sensor Download PDFInfo
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- CN102530051B CN102530051B CN201010597302.3A CN201010597302A CN102530051B CN 102530051 B CN102530051 B CN 102530051B CN 201010597302 A CN201010597302 A CN 201010597302A CN 102530051 B CN102530051 B CN 102530051B
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Abstract
The invention discloses a tubular column type electric power steering column employing a novel torque sensor, aiming at solving the problems of poor signal acquisition precision and short service life of the existing C-EPS (column-type electric power steering) torque sensor. The tubular column type electric power steering column employing the novel torque sensor in the invention comprises a controller, the novel torque sensor, an electric motor, a speed reducing mechanism and a mechanical part of a steering shaft, wherein the torque sensor installed on the mechanical part of the steering shaft is a dual-output torque sensor; signals in the torque sensor are from two relatively rotating rotors installed on the steering shaft; the two rotors are respectively installed on an output shaft I and an input shaft II; and the two rotors are connected by a torque rod. An installation structure employing the torque sensor aims at overcoming defects of the exsiting domestic C-EPS torque sensor, such as poor signal collection precision, short service life, a maintenance demand in a use process and incapability of introducing position signals.
Description
Technical field
The present invention relates to automobile steering system technical field, especially a kind of pipe column type electric servo-steering post that adopts torque sensor.
Background technology
Automobile steering system has experienced the transformation that mechanical type, fluid pressure type, Electro-hydraulic Hybrid Type arrive electric boosting steering system again.Day by day universal along with automobile, the performance of vehicle has been related to many economic society problems such as lives and properties, safety traffic, energy environment protection, economic benefit.
Automobile steering system is mainly mechanical type, fluid pressure type now.Although mechanical type steering swivel system is simple in structure, cost is lower, turn to comparatively heavyly, stability is not high; In order to address these problems, hydrostatic steering system has obtained very large development in recent years, has improved mechanical type steering swivel system hard steering problem.Meanwhile, hydrostatic steering system has also brought problems.Hydraulic power-assist steering system and electric liquid mix servo steering system all will be using hydraulic oil as power resources, the inside relates to the parts and components such as oil pipe, oil pump, oil tank, have that parts and components quantity is many, difficulty in installation and layout, efficiency be low, environment had to the problems such as pollution.And hydrostatic steering system stability, safety are not high.Such as: in the time that low speed is exercised, turn to comparatively lightly, but there is power-assisted in high speed driving equally, and this has just produced to turn to and has kicked the beam, and lacks the problems such as road feel.Therefore, automobile vendor and scientific research institution are all in the new servo steering system of exploitation both at home and abroad at present, and electric boosting steering system is exactly one of them, the English EPS(Electronic Power Steering that is called for short of electric boosting steering system).
Automobile EPS is the last word of China's auto trade, belongs to that four ministries and commissions in 2002 combine that the encouragement issuing is joint, project in the automobile new high-tech product register introduced.It has represented the direction that the world and China's automobile steering system develop.It is energy saving products, environment-friendly products, is the electronic product of automobile new and high technology.
Automobile EPS, according to the position of propulsion source, is mainly divided into 4 types: pipe column type electric servo steering system (being called for short C-EPS), pinion type electric boosting steering system (being called for short P-EPS), tooth bar booster type electric servo steering system (being called for short R-EPS), circular ball type electric servo steering system (being called for short S-EPS).Wherein, C-EPS is divided into 2 types according to the difference of torque signal acquisition mode: adopt the C-EPS of traditional torque sensing technology, the C-EPS of employing Novel torque sensing technology.Adopt the C-EPS signal transmission link of traditional torque sensing technology many and not direct, passed through the crank motion that rotatablely moves again to the process rotatablely moving, the error of acquisition of signal is larger; Due in signal acquisition process, there is more friction position, easily cause mechanical wear, so using after one section of mileage, acquisition of signal is distortion often, need to keep in repair.Traditional torque sensor can not be introduced position (angle) signal.What it adopted is conductive plastic carbon film and steel wire carbon brush, and service life is relatively short.
Summary of the invention
The object of this invention is to provide a kind of pipe column type electric servo-steering post that adopts torque sensor, overcome that domestic existing pipe column type electric servo-steering post torque sensor signal acquisition precision is not high, the life-span is long, need repairing, can not introduce the shortcoming of position signal in use procedure, have that acquisition precision is high, the life-span long, freedom from repairs in use procedure, can introduce the pipe column type electric servo-steering column device of position signal.
In order to reach above-mentioned design goal, the technical solution used in the present invention is as follows:
A kind of pipe column type electric servo-steering post that adopts torque sensor, comprise: controller, motor, speed reduction gearing, torque sensor, steering shaft assembly, described torque sensor is arranged on the mechanics of steering shaft, is the torque sensor of a kind of dual output orientation sensing, dual output torque signal; The signal of torque sensor come from steering shaft assembly, install two in relative rotation rotor one and two, two rotors of rotor be arranged on respectively on output shaft and input shaft, between two rotors, be connected by steering shaft assembly; Described rotor one is provided with output locating dowel pin, and described output locating dowel pin coordinates with output shaft to form locates; On rotor two, have input locating dowel pin, described input locating dowel pin coordinates with input shaft to form locates; Described rotor one periphery is made of plastics, and outstanding rotor one inner circle of output locating dowel pin is " rectangle " shape, and position of output axle is corresponding with rotor one, and the position that output shaft is arranged on rotor one is straight burr spline, and maximum outside diameter is 24.25mm; On aforementioned output shaft, be also provided with output shaft positioning groove, output locating dowel pin matches rotor one and output shaft is fixed with output shaft positioning groove; Described rotor two peripheries are made of plastics, outstanding rotor two inner circles of input locating dowel pin, input locating dowel pin is made up of upper and lower two parts, lower part is " trapezoidal " shape, upper part is " rectangle " and is superimposed upon lower part end face, and the width of upper part " rectangle " is less than the end face of lower part " trapezoidal ", and aforementioned input shaft position is corresponding with rotor two, on input shaft, be also provided with input shaft positioning groove, input locating dowel pin matches with input shaft positioning groove rotor two and input shaft is fixed; The cooperation of two rotors makes torque drive axle can not keep concentricity operation, and produces two torque signals, and a road is main signal, and another road is the subsidiary signal of monitoring main signal.
Further, described steering shaft assembly comprises output shaft, output pivot pin, bearing, turbine, input shaft, input pivot pin, torsion bar, castellated shaft, outside wherein said output shaft, spindle is held, turbine press-fits on output shaft, turbine is connected by speed reduction gearing with the output shaft of aforementioned motor, described output shaft, input shaft form respectively fixing by rotor one, rotor two and torque sensor, input shaft left end portion is nested with in output shaft; Described input shaft, torsion bar, castellated shaft are riveted together, and output shaft and input shaft in described steering shaft assembly exist certain rotational angle, are 5.5 °, and the rigidity of aforementioned torsion bar is 2.8-3.1NM/ °.
Further, the installation process of described steering shaft and associated component is as follows:
The first step, is fitted in bearing, turbine on output shaft;
Second step, after input shaft, torsion bar, castellated shaft are press-fited, holes and is pressed into input pivot pin at input shaft relative position, and input shaft, torsion bar, castellated shaft are riveted together;
The 3rd step, on the output shaft after torque sensor one side is assembled to the first step and completes;
The 4th step, on the input shaft after torque sensor opposite side is assembled to second step and completes, meanwhile, torsion bar enters in the endoporus of output shaft;
The 5th step, output shaft relative position is holed and is pressed into output pivot pin.
Further, the internal diameter size of described rotor one is φ 24mm, and output locating dowel pin width is 1.96mm, and described output shaft positioning groove is 10.150mm apart from output shaft line of centers minor increment, and wide is 2.1-2.2mm.
Further, described rotor two internal diameter sizes are φ 22.5-φ 22.6mm, and the trapezoidal angle of input locating dowel pin is 28 ° and is highly not more than 0.89mm, and width is not more than 1.98mm; Input shaft positioning groove is approximate " trapezoidal " shape, and its width is not more than 3.9mm, and trapezoidal angle is 27.75 °-28.28 °, and distance input shaft centre line minor increment is 8.15mm.
The beneficial effect of the pipe column type electric servo-steering post of employing torque sensor of the present invention is: due to the torque sensor of C-EPS device acquisition of signal part employing Novel two-way provided by the invention output, the signal of torque sensor comes from install on steering shaft two rotors in relative rotation, between rotor, be connected by torsion bar, measure the angle that turns to two relative rotation of rotor under hand-power effect, can know torque; This phase difference and torque are in direct ratio, it also has position output simultaneously, its acquisition precision is high, the life-span long, freedom from repairs in use procedure, can introduce position signal, and its actv. has ensured the precision of controller control current of electric, and it is the basis that C-EPS device provides accurate power-assisted.
Brief description of the drawings
Fig. 1 is the schematic diagram of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 2 is the schematic diagram of the steering shaft assembly of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 3 is the cutaway view of the steering shaft assembly of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 4 a is the input shaft structure schematic diagram of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 4 b is the input shaft A-A face cutaway view of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 5 a is the schematic diagram of the output shaft of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 5 b is the output shaft left view of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 6 is input shaft and the output shaft connection location cutaway view of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 7 is the structural representation of the rotor one of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention;
Fig. 8 is the structural representation of the rotor two of the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention.
Detailed description of the invention
Below optimum implementation of the present invention is described in further detail.
As shown in Fig. 1,7,8, the pipe column type electric servo-steering post of the employing torque sensor described in the embodiment of the present invention, what comprise that controller 1, torque sensor 2(the present invention adopt is the LH3 type torque sensor that BI scientific & technical corporation produces), motor 3, speed reduction gearing 4, steering shaft assembly 5, described steering shaft assembly 5 connects motor 3 by speed reduction gearing 4, motor 3 drives steering shaft assembly 5, mounting torque sensor 2 on steering shaft assembly 5, torque sensor 2 is also connected with controller 1; Described torque sensor 2 is signal acquisition module, and controller 1 is signal processing module, and motor 3 is execution modules, and speed reduction gearing 4 plays a part to slow down to increase and turns round, and steering shaft assembly 5 links together acquisition of signal, signal processing, each parts of performing an action; The signal of torque sensor 2 comes from steering shaft assembly, install two and between rotor 1 and rotor 27, two rotors, is connected by steering shaft assembly 5 in relative rotation.
As shown in Figure 2 and Figure 3, described steering shaft assembly 5 comprises output shaft 51, output pivot pin 511, bearing 52, turbine 53, input shaft 54, input pivot pin 541, torsion bar 55, castellated shaft 56, described output shaft 51 outer shaft spindles hold 52, turbine 53 press-fits on output shaft 51, turbine 53 is connected by speed reduction gearing 4 with motor output shaft, described output shaft 51 right-hand members connect input shaft 54 by torque sensor 2, output shaft 51 is fixing with torque sensor 2 respectively with input shaft 54, and input shaft 54 left end portion are nested with in output shaft 51; Described input shaft 54, torsion bar 55, castellated shaft 56 are riveted together.
This structure can have been assembled by following step: the first step, is fitted in bearing 52, turbine 53 on output shaft 51; Second step, after input shaft 54, torsion bar 55, castellated shaft 55 are press-fited, holes and is pressed into input pivot pin 541 at input shaft 54 relative positions, and input shaft 54, torsion bar 55, castellated shaft 56 are riveted together; The 3rd step, on the output shaft 51 after torque sensor 2 is assembled to the first step and completes with a side of meta locating dowel pin; The 4th step, on the input shaft 54 after torque sensor 2 is assembled to second step and completes with a side of meta locating dowel pin, meanwhile, torsion bar 55 enters in the endoporus of output shaft 51; The 5th step, output shaft 51 relative positions are holed and are pressed into output pivot pin 7.
As shown in Fig. 4 a, Fig. 4 b, 5a, Fig. 5 b, Fig. 6, Fig. 7, Fig. 8, the signal of torque sensor 2 comes from steering shaft, install two and between rotor 1 and rotor 27, two rotors, is connected by torsion bar (selecting torque spring) in relative rotation.Measure the angle (phase difference) that turns to two relative rotation of rotor under hand-power effect, can know torque, this phase difference and torque are in direct ratio; On rotor 1, have output locating dowel pin 61, aforementioned output shaft 51 is also provided with output shaft positioning groove 512, and output locating dowel pin 61 matches with output shaft positioning groove 512 rotor 1 and output shaft 51 are fixed; On rotor 27, have input locating dowel pin 71, aforementioned input shaft 54 is also provided with input shaft positioning groove 542, and input locating dowel pin 71 matches with input shaft positioning groove 542 rotor 27 and input shaft 54 are fixed; The cooperation of two rotors makes torque drive axle can not keep concentricity operation, and can not produce unfair stress or affect precision.It can export two torque signals, and a road is main signal, and another road is the subsidiary signal of monitoring main signal, and dual like this output has strengthened the reliability of system; It has can select position signal output function.Its maximum working voltage (MWV) 16V, precision is ± 3% absolute linearity, 90 ° of phase differences, Standard resistance range 4K Ω ± 30%, reliability is high, operating temperature-40～150 DEG C, work life can reach 20,000,000 times.
Rotor one 6 peripheries are made of plastics, and have certain contractibility, and internal diameter size is φ 24mm; Outstanding this rotor inner circle of output locating dowel pin 61, rectangular shaped, width is 1.96mm, carry out the design of output shaft 51 mated position according to the feature of above-mentioned rotor 1 and size, as shown in Figure 5, output shaft 51 is installed rotor one 6 positions and is designed to straight burr spline, and maximum outside diameter is 24.25mm; On output shaft, 51 output shaft positioning groove 512 is that 10.150mm(is preferably 10.150-10.350mm apart from output shaft line of centers minor increment), wide is 2.1-2.2mm, rotor one and torque sensor coordinate part be assembled on output shaft, simultaneously, the overlapping of line of centers maximum possible that has ensured output shaft and torque sensor, makes to assemble best results; Torque sensor 2 another part coordinate with rotor 27, the internal diameter size of rotor 27 is φ 22.5mm, outstanding rotor 27 inner circles of input locating dowel pin 71, input locating dowel pin 71 is made up of two parts, a part is to be trapezoidal shape, and trapezoidal angle is 28 ° and is highly not more than 0.89mm, and width is not more than 1.98mm, carry out the design of input shaft 54 mated position according to the feature of above-mentioned rotor and size, it is φ 22.5-φ 22.6mm that input shaft 54 is installed rotor position design size; Aforesaid input shaft positioning groove 542, this groove is trapezoidal shape, trapezoidal angle is 27.75 °-28.25 °, and distance input axle 54 line of centers minor increments are 8.15mm (being preferably 8.15-8.35mm), and the dovetail groove width that is 9.9-10mm in distance input shaft centre line distance is 3.9mm.Rotor 27 coordinates another part of torque sensor and is assembled on input shaft 54; Torsion bar 55 enters in the endoporus of output shaft 51, hole and be pressed into output pivot pin 511 at output shaft 51 relative positions, 511 designs of output pivot pin are long is 16.3-16.5, diameter is φ 3.523-φ 3.531mm, pressing-in force 1500N-5000N, output pivot pin 511 is fixed together output shaft 51, torque sensor 2, input shaft 54, torsion bar 55, and C-EPS steering shaft is enough firm afterwards also to have ensured assembling.
In the time of design output shaft and this assembly set of input shaft, should there is certain rotational angle between the two, so that in rotation process, torsion bar has the sufficient space distortion that twists, for sensor passes signal provides source.The connection of torsion bar has been combined by input shaft and output shaft machinery, and in the time of this assembly set of design, the free amount of spin that should utilize bearing circle to allow completes its function.Press automobile design principle, the free amount of spin of bearing circle is too small, will make hard steering, handles difficulty, accelerated wear test, and free amount of spin is excessive, will make steering sensitivity decline, and affects traffic safety.Therefore National Standard of the People's Republic of China GB7258-2004 " self-propelled vehicle safe and technical specification " regulation.The free amount of spin of maximum (bearing circle left-right rotation idle travel) of steering wheel for motor vehicle from midway location to the left or to the right corner all must not be greater than: 10 °.C-EPS gets 5.5 ° according to my company's development.The rigidity of torsion bar is got 2.8-3.1NM/ ° according to my company's development;
When concrete use, in the time rotating steering handwheel, drive castellated shaft rotates, due to castellated shaft, input shaft, torsion bar is transfused to pivot pin and is riveted together, therefore, this part rotating torque that torsion bar has absorbed, make its distortion that twists, this two of rotor that make to be assemblied on input shaft follows the torsional deflection of torsion bar to rotate, and output shaft and the rotor two that is assemblied on output shaft are not subject to any rotating torque, do not rotate, at this moment to have produced certain phase place (angle) poor for two of torque sensor coaxial rotors, this phase difference calculates in torque sensor, convert voltage difference to, this is just converted into voltage signal by driving torque, the linear proportional relationship of phase difference and moment of torsion, avoid because of the non-linear power-assisted that causes of sensor abnormal.Due to sensor machinery-free wearing and tearing in signal acquisition process, can realize non-maintaining in the later stage.
After collecting sensor signal completes, signal conversion voltage is offered to controller, controller is controlled motor according to predefined power model according to this signal, makes rotating torque that motor exports corresponding size and direction to produce power-assisted.
This detailed description of the invention is the preferred embodiments of the present invention, can not limit the present invention, and concrete every rights protection scope is defined by the claims.
Claims (5)
1. one kind adopts the pipe column type electric servo-steering post of torque sensor, comprise: controller, motor, speed reduction gearing, torque sensor, steering shaft assembly, described torque sensor is arranged on the mechanics of steering shaft, is the torque sensor of a kind of dual output orientation sensing, dual output torque signal; It is characterized in that: the signal of torque sensor come from steering shaft assembly, install two in relative rotation rotor one and two, two rotors of rotor be arranged on respectively on output shaft and input shaft, between two rotors, be connected by steering shaft assembly; Described rotor one is provided with output locating dowel pin, and described output locating dowel pin coordinates with output shaft to form locates; On rotor two, have input locating dowel pin, described input locating dowel pin coordinates with input shaft to form locates; Described rotor one periphery is made of plastics, and outstanding rotor one inner circle of output locating dowel pin is " rectangle " shape, and position of output axle is corresponding with rotor one, and the position that output shaft is arranged on rotor one is straight burr spline, and maximum outside diameter is 24.25mm; On aforementioned output shaft, be also provided with output shaft positioning groove, output locating dowel pin matches rotor one and output shaft is fixed with output shaft positioning groove; Described rotor two peripheries are made of plastics, outstanding rotor two inner circles of input locating dowel pin, input locating dowel pin is made up of upper and lower two parts, lower part is " trapezoidal " shape, upper part is " rectangle " and is superimposed upon lower part end face, and the width of upper part " rectangle " is less than the end face of lower part " trapezoidal ", and aforementioned input shaft position is corresponding with rotor two, on input shaft, be also provided with input shaft positioning groove, input locating dowel pin matches with input shaft positioning groove rotor two and input shaft is fixed; The cooperation of two rotors makes torque drive axle can not keep concentricity operation, and produces two torque signals, and a road is main signal, and another road is the subsidiary signal of monitoring main signal.
2. the pipe column type electric servo-steering post of employing torque sensor according to claim 1, it is characterized in that: described steering shaft assembly comprises output shaft, output pivot pin, bearing, turbine, input shaft, input pivot pin, torsion bar, castellated shaft, outside wherein said output shaft, spindle is held, turbine press-fits on output shaft, turbine is connected by speed reduction gearing with the output shaft of aforementioned motor, described output shaft, input shaft form respectively fixing by rotor one, rotor two and torque sensor, input shaft left end portion is nested with in output shaft; Described input shaft, torsion bar, castellated shaft are riveted together, and output shaft and input shaft in described steering shaft assembly exist certain rotational angle, are 5.5 °, and the rigidity of aforementioned torsion bar is 2.8-3.1NM/ °.
3. the pipe column type electric servo-steering post of employing torque sensor according to claim 2, is characterized in that: the installation process of described steering shaft and associated component is as follows:
The first step, is fitted in bearing, turbine on output shaft;
Second step, after input shaft, torsion bar, castellated shaft are press-fited, holes and is pressed into input pivot pin at input shaft relative position, and input shaft, torsion bar, castellated shaft are riveted together;
The 3rd step, on the output shaft after torque sensor one side is assembled to the first step and completes;
The 4th step, on the input shaft after torque sensor opposite side is assembled to second step and completes, meanwhile, torsion bar enters in the endoporus of output shaft;
The 5th step, output shaft relative position is holed and is pressed into output pivot pin.
4. the pipe column type electric servo-steering post of employing torque sensor according to claim 1, it is characterized in that: the internal diameter size of described rotor one is φ 24mm, output locating dowel pin width is 1.96mm, described output shaft positioning groove is 10.150mm apart from output shaft line of centers minor increment, and wide is 2.1-2.2mm.
5. the pipe column type electric servo-steering post of employing torque sensor according to claim 1; it is characterized in that: described rotor two internal diameter sizes are φ 22.5-φ 22.6mm; the trapezoidal angle of input locating dowel pin is 28 ° and is highly not more than 0.89mm, and width is not more than 1.98mm; Input shaft positioning groove is approximate " trapezoidal " shape, and its width is not more than 3.9mm, and trapezoidal angle is 27.75 °-28.28 °, and distance input shaft centre line minor increment is 8.15mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010597302.3A CN102530051B (en) | 2010-12-21 | 2010-12-21 | Tubular column type electric power steering column employing novel torque sensor |
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| CN201010597302.3A CN102530051B (en) | 2010-12-21 | 2010-12-21 | Tubular column type electric power steering column employing novel torque sensor |
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| CN102530051A CN102530051A (en) | 2012-07-04 |
| CN102530051B true CN102530051B (en) | 2014-07-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109760738A (en) * | 2018-09-10 | 2019-05-17 | 安徽德孚转向***股份有限公司 | The steering support device of electric boosting steering system |
| CN113404428A (en) * | 2021-07-09 | 2021-09-17 | 上海强劲地基工程股份有限公司 | Stirring stake construction equipment of two-way stirring |
| CN115285209B (en) * | 2022-08-10 | 2024-02-09 | 湖北三环汽车方向机有限公司 | Full-closed-loop corner controlled recirculating ball electrohydraulic steering device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645999Y (en) * | 2003-09-09 | 2004-10-06 | 重庆驰骋轻型汽车部件股份有限公司 | Electric power assisted diverter of automobile |
| CN100554064C (en) * | 2006-05-30 | 2009-10-28 | 上海燃料电池汽车动力***有限公司 | The mounting structure of contactless torque angle sensor on electric boosting steering system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7677114B2 (en) * | 2006-03-31 | 2010-03-16 | Sona Koyo Steering Systems Ltd. | Torque sensor for electric power steering system |
| CN102112363B (en) * | 2008-08-01 | 2013-07-10 | 株式会社捷太格特 | Electric power steering device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645999Y (en) * | 2003-09-09 | 2004-10-06 | 重庆驰骋轻型汽车部件股份有限公司 | Electric power assisted diverter of automobile |
| CN100554064C (en) * | 2006-05-30 | 2009-10-28 | 上海燃料电池汽车动力***有限公司 | The mounting structure of contactless torque angle sensor on electric boosting steering system |
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Inventor after: Zhao Yanjun Inventor after: Wang Xu Inventor after: Liang Yongjiang Inventor before: Tian Zhonglin Inventor before: Qing Shangsheng Inventor before: Xiong Changlin Inventor before: Shen Jun Inventor before: Chen Yongfu Inventor before: Zhou Feng |
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Effective date of registration: 20170302 Address after: 400054 Huaxi Industrial Park, Banan District, Chongqing Road, No. 1 Patentee after: Chongqing Jianshe Motorcycle Co., Ltd. Address before: 402264 Changfeng Road, Jiangjin District, Chongqing, No. 88 Patentee before: Chongqing Changfeng Machine Co., Ltd. |
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Granted publication date: 20140716 Termination date: 20181221 |