CN103269939B - Vehicle steering apparatus - Google Patents
Vehicle steering apparatus Download PDFInfo
- Publication number
- CN103269939B CN103269939B CN201180061167.3A CN201180061167A CN103269939B CN 103269939 B CN103269939 B CN 103269939B CN 201180061167 A CN201180061167 A CN 201180061167A CN 103269939 B CN103269939 B CN 103269939B
- Authority
- CN
- China
- Prior art keywords
- bearing
- ball
- bottom axle
- upper axis
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/08—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque
- B62D6/10—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque characterised by means for sensing or determining torque
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Steering Controls (AREA)
Abstract
The invention provides a kind of vehicle steering apparatus.The steering shaft (2) of the support unit (3) of through hollow comprises the upper axis (14) and bottom axle (15) that link on coaxially via torsion bar (16).The supporting of the upper end (141) of upper axis is rotatable by the first ball-bearing casing (33) being held in support unit (3).Bottom axle (15) supporting is rotatable by the second ball-bearing casing (34) being held in support unit (3).The first bearing (36,36A) being held in bottom axle (15) by the supporting of the lower end (142) of upper axis (14) for rotatable.The second bearing (37,37A) being held in upper axis (14) by the supporting of the upper end (151) of bottom axle (15) for rotatable.First bearing (36,36A) comprises the part of the radially inner side of the bearing center (C1) being configured at the second ball-bearing casing (34).The axis (X1) of first and second bearing (36,37,36A, 37A) in steering shaft (2) is upper to be separated.
Description
Technical field
The present invention relates to vehicle steering apparatus.
Background technology
Usually, in driven steering device, use multiple ball-bearing casing to support steering shaft.Such as in patent documentation 1, steering shaft is by upper axis, the tween drive shaft linked with the mode that can rotate together and the lower end of upper axis and formed via the bottom axle that torsion bar links with the mode that can relatively rotate and tween drive shaft.
The upper end of upper axis is supported by the first ball-bearing casing.Tween drive shaft is supported by the second ball-bearing casing.Bottom axle is supported on the both sides across the worm gear rotated together with this bottom axle by the 3rd ball-bearing casing and the 4th ball-bearing casing.In addition, sleeve is configured with at the telescoping part that tween drive shaft is chimeric with bottom axle.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-341528 publication
In patent documentation 1, the quantity of the ball-bearing casing used is four, often, so there is the high problem of manufacturing cost.But, when reducing the quantity of ball-bearing casing, have following worry.If the shock load namely produced based on the stroke end at rack shaft and the rotary torque larger to tween drive shaft effect, then based at larger to the bottom axle effect occasionally torque load of the secondary force that tween drive shaft and the Hooke's coupling linked as the bottom axle of the element of steering shaft are produced.Therefore, bottom axle has the worry producing and topple over.The generation toppled over can have an impact to bearing life.In addition, the accuracy of detection of torque sensor also can be deteriorated.
Summary of the invention
The present invention completes in view of above-mentioned problem, and object is to provide the vehicle steering apparatus that the element of steering shaft can be suppressed at an easy rate to topple over.
To achieve these goals, the invention of technical scheme 1 provides a kind of vehicle steering apparatus, and this vehicle steering apparatus possesses: the support unit of hollow; Steering shaft, the through above-mentioned support unit of this steering shaft, and comprise the upper axis and bottom axle that link on coaxially via torsion bar; First ball-bearing casing, this first ball-bearing casing is held in above-mentioned support unit, and by the upper end bearing of above-mentioned upper axis for rotating; Second ball-bearing casing, this second ball-bearing casing is held in above-mentioned support unit, and by the supporting of above-mentioned bottom axle for rotating; First bearing, this first bearing is held in above-mentioned bottom axle, and by the lower end bearing of above-mentioned upper axis for rotating; And second bearing, this second bearing is held in above-mentioned upper axis, and by the upper end bearing of above-mentioned bottom axle for rotating, above-mentioned first bearing comprises the part of the radially inner side of the bearing center being configured at above-mentioned second ball-bearing casing, and above-mentioned first bearing and above-mentioned second bearing are in the axially separation of above-mentioned steering shaft.
In addition, can as the invention of technical scheme 2, above-mentioned vehicle steering apparatus possesses the stop motion mechnism of the amount of relative rotation of the above-mentioned upper axis of restriction and above-mentioned bottom axle, and above-mentioned stop motion mechnism is configured between above-mentioned first bearing and above-mentioned second bearing vertically.
In addition, can as the invention of technical scheme 3, at least one party in above-mentioned first bearing and above-mentioned second bearing comprises sleeve.
In addition, can as the invention of technical scheme 4, at least one party in above-mentioned first bearing and above-mentioned second bearing comprises needle bearing.
According to the invention of technical scheme 1, supported the upper end of upper axis by the first ball-bearing casing.A part due to the first bearing of the lower end by supporting upper axis is configured at the position of the radially inner side of the second ball-bearing casing of supporting bottom axle, so in fact can be supported the lower end of upper axis by the second ball-bearing casing.
In addition, owing to configuring the second bearing, so have following advantage in the position be separated from the first bearing vertically.Namely, based on couple producing the torque load for fulcrum, bottom axle being tilted with the bearing center of the second ball-bearing casing, now, can, by suppressing the upper axis of toppling over as described above, via the second bearing, suppressing bottom axle to be toppled over.Therefore, it is possible to pass through the structure of the cheapness of the less ball-bearing casing of usage quantity, suppressing stably to support diaxon under the state of toppling over.
In order to reduce manufacturing cost further, the bearing of preferred at least one party uses plain bearing that is sleeve.But in order to reduce the rotational resistance of two between centers, the bearing of at least one party can use needle bearing.
According to the invention of technical scheme 2, there is following advantage.Namely, in order to suppress bottom axle to be toppled over, the interval between the first bearing and the second bearing is preferably expanded.On the other hand, usually, owing to adopting the method detecting handling maneuver moment of torsion based on upper axis and the relative rotation of bottom axle, so need the retainer arranging the amount of relative rotation limiting diaxon.In the present invention, owing to above-mentioned retainer to be configured at the clearance spaces between the first and second bearing, so unnecessary space can be saved, and toppling over of bottom axle can be reduced as much as possible.
In addition, as technical scheme 3, at least one party in the first bearing and the second bearing comprises sleeve, manufacturing cost can be reduced.
In addition, as technical scheme 4, at least one party in the first bearing and the second bearing comprises needle bearing, the rotational resistance of two between centers can be suppressed.
Accompanying drawing explanation
Fig. 1 is the schematic sectional view of the vehicle steering apparatus of one embodiment of the present invention.
Fig. 2 is the diagrammatic cross-sectional view of stop motion mechnism.
Fig. 3 is the schematic sectional view of the vehicle steering apparatus of another embodiment of the present invention.
Detailed description of the invention
Preferred embodiment be described of the present invention with reference to accompanying drawing.
Fig. 1 is the diagrammatic cross-sectional view of the driven steering device 100 of vehicle steering apparatus as one embodiment of the present invention.With reference to Fig. 1, driven steering device 100 possesses steering shaft 2, and this steering shaft 2 is for transmitting the rotation of the bearing circle 1 as handling maneuver parts.Steering shaft 2 possesses: shaft (columnshaft) 4, and its supporting of the Steering gear 3 as support unit being fixed in automobile body B is for rotating; Tween drive shaft 6, it links via Hooke's coupling 5 and shaft 4; And pinion shaft 8, it links via Hooke's coupling 7 and tween drive shaft 6.
In addition, driven steering device 100 possesses the steering hardware A be made up of pinion and rack, and this pinion and rack possesses: above-mentioned pinion shaft 8; And rack bar 9, it has the tooth bar 9a engaged with the miniature gears 8a being arranged at pinion shaft 8.
Rack bar 9 is supported as moving vertically by housing 10.Link with wheel flutter 13 via the pull bar 11 of correspondence and track arm 12 respectively from the two ends of the outstanding rack bar 9 of housing 10.
Shaft 4 possesses: the upper axis 14 of tubular; The bottom axle 15 of tubular; And with the torsion bar 16 that upper axis 14 and bottom axle 15 link by the mode that can relatively rotate coaxially.The upper end 161 of torsion bar 16 links with the mode that can rotate integrally and upper axis 14 by using the press-in of serration.The lower end 162 of torsion bar 16 and bottom axle 15 are linked for rotating integrally by by both through pins 17.
In the upper end 141 of upper axis 14, the bearing circle 1 as handling maneuver parts is installed.The lower end of bottom axle 15 links with steering hardware A via Hooke's coupling 5, tween drive shaft 6 and Hooke's coupling 7.
Steering gear 3 as the support unit of hollow possesses: the sheath 19 of tubular; With the housing 20 that the lower end 191 of sheath 19 is combined; And by end cap 21 closed for the bottom of housing 20.Steering gear 3 is fixed on vehicle body via the installing component 50 be fitted and fixed with in end cap 21.
In housing 20, contain speed reduction gearing 23, the output of this speed reduction gearing 23 to the electro-motor 22 producing handling maneuver auxiliary force rotates slows down.Speed reduction gearing 23 is such as made up of worm and gear (wormgear) mechanism, possesses the worm shaft 24 as driven wheel driven by electro-motor 22 and the worm gear 25 as ring gear engaged with worm shaft 24.
Worm gear 25 possesses: the axle 25a of annular, and it is embedded in the periphery 15a of bottom axle 15 in the mode that can rotate integrally; And synthetic resin members 25b, it surrounds the surrounding of axle 25a and is formed on the outer periphery tooth.Axle 25a is such as inserted in mould when the ester moulding of synthetic resin members 25b.The synthetic resin members 25b that axle 25a obtains with shaping is combined in the mode that can rotate integrally.
Housing 20 have the first cylindrical portion 26 and with the second cylindrical portion 27 of arranging of the cross-shaped ground of the first cylindrical portion 26, and to be integrally formed by such as aluminum alloy.Worm shaft 24 is contained in the first cylindrical portion 26.Worm gear 25 and the torque sensor 28 of speed reduction gearing 23 is contained in the second cylindrical portion 27 of housing 20.The upper end 27a of the second cylindrical portion 27 is embedded in sheath 19.The end cap 21 of annular is combined with the lower end 27b of the second cylindrical portion 27.
End cap 21 has: annular slab 21a, and it is opposed with the end face of the synthetic resin members 25b of worm gear 25; Large cylinder portion 21b, its outer rim from annular slab 21a is to axially below extension; And little cylinder portion 21c, its inner edge from annular slab 21a is to axially top extension.Little cylinder portion 21c invades the radially inner side to the synthetic resin members 25b of worm gear 25.
In addition, control cabin 30 is divided by the outside portion of housing 20 and controller housing 29.In control cabin 30, contain ECU32 (ElectronicControlUnit: electronic control unit), this ECU32 comprises the control substrate 31, power substrate (not shown) etc. of the action controlling electro-motor 22.
The feature of present embodiment is the structure of the shaft 4 supporting steering shaft 2.Specifically, the upper end 141 of the upper axis 14 of shaft 4 is supported as rotating by the first ball-bearing casing 33 that the sheath 19 at Steering gear 3 keeps.First ball-bearing casing 33 has: outer ring 33a, and it is fitted and fixed with the inner circumferential 19a in sheath 19; Inner ring 33b, it is embedded in the periphery 14a of upper axis 14 in the mode that can rotate together; And multiple ball 33c, it is held between outer ring 33a and inner ring 33b.
In addition, the bottom axle 15 of shaft 4 is supported as rotating by the second ball-bearing casing 34 that the little cylinder portion 21c of the end cap 21 of the housing 20 at Steering gear 3 keeps.Second ball-bearing casing 34 has: outer ring 34a, and it is fitted and fixed with the inner circumferential in little cylinder portion 21c; Inner ring 34b, it is embedded in the periphery 15a of bottom axle 15 in the mode that can rotate together; And multiple ball 34c, it is held between outer ring 34a and inner ring 34b.
The chimeric cylinder 51 of installing component 50 is fixed with in the inner circumferential of the little cylinder portion 21c of end cap 21.The outer ring 34a of the second ball-bearing casing 34 is held between annular lip 52 and annular lip 21d, and wherein, above-mentioned annular lip 52 is arranged at one end of the chimeric cylinder 51 of installing component 50, and above-mentioned annular lip 21d is arranged at one end of the little cylinder portion 21c of end cap 21.Thus, restriction outer ring 34a moves along the axial X1 of steering shaft 2.
In addition, the inner ring 34b of the second ball-bearing casing 34 is held between end difference 15b and nut 35, and wherein, above-mentioned end difference 15b is arranged at the periphery 15a of bottom axle 15, and above-mentioned nut 35 screws with the threaded portion of the periphery 15a being arranged at bottom axle 15.Thus, inner ring 34b and bottom axle 15 X1 relative movement is vertically limited.
On the other hand, the bottom of upper axis 14 is inserted in bottom axle 15, and is supported to can rotates via the first sleeve 36 as the first bearing and the second sleeve 37 as the second bearing.Each sleeve 36,37 is plain bearing, and such as, each sleeve can be lubricant is contained be dipped into pore and the porosity sintered alloy sleeve obtained, and also can be synthetic resin sleeve.When sleeve is synthetic resin sleeve, the fluorocarbon resin with self lubricity can be used.In addition, solid lubricant (such as molybdenum disulphide) can be covered at the sliding surface of synthetic resin sleeve.
First sleeve 36 and the second sleeve 37 are configured to separate predetermined distance on axial X1.First sleeve 36 is chimeric is held in the clutch shaft bearing maintaining part 38 arranged at the inner circumferential 15c of bottom axle 15, and supports the lower end 142 of upper axis 14 for rotating.
First sleeve 36 comprises the part of the radially inner side of the bearing center C1 being configured at the second ball-bearing casing 34.On the other hand, chimeric the second bearing cage 39 being held in the inner circumferential in the upper end 151 of bottom axle 15 and arranging of the second sleeve 37, and upper axis 14 is supported as rotating.
First sleeve 36 and the second sleeve 37 are separated on axial X1, and between the first sleeve 36 and the second sleeve 37, be configured with stop motion mechnism 40, this stop motion mechnism 40 is for limiting the amount of relative rotation of upper axis 14 and bottom axle 15.
As shown in Figure 2, stop motion mechnism 40 is made up of recess 41 and protuberance 42, wherein, above-mentioned recess 41 is arranged at the inner circumferential 15c of bottom axle 15, and raised part 42 is arranged at the periphery 14a of upper axis 14 and is configured in above-mentioned recess 41 in the mode at hand of rotation with gap.
According to the present embodiment, the upper end 141 of upper axis 14 is supported by the first ball-bearing casing 33.On the other hand, a part due to first bearing (the first sleeve 36) of the lower end 142 by supporting upper axis 14 is configured at the position of the radially inner side of the second ball-bearing casing 34 of supporting bottom axle 15, so in fact can be supported the lower end 142 of upper axis 14 by the second ball-bearing casing 34.
In addition, owing to configuring the second bearing (the second sleeve 37), so have following advantage from the first bearing (the first sleeve 36) position that X1 is separated vertically.Namely, due to the rotary torque based on tween drive shaft 6 in the impact of secondary couple that Hooke's coupling 5 produces, and produce the torque load for fulcrum, bottom axle 15 being tilted with the bearing center C1 of the second ball-bearing casing 34, now, can by suppressing the upper axis 14 of toppling over as described above, via the second bearing (the second sleeve 37), bottom axle 15 is suppressed to be toppled over.
As the ball-bearing casing of supporting shaft 4, for supporting the first ball-bearing casing 33 of upper axis 14, the second ball-bearing casing 34 two ball-bearing casings with supporting bottom axle, so can cheapization be realized, and can suppress stably to support diaxon 14,15 under the state of toppling over.In addition, can prevent in advance because diaxon 14,15 is toppled over and the baneful influences such as the accuracy of detection deterioration of worried generation torque sensor 28.
In addition, as the bearing be held between upper axis 14 and bottom axle 15, use the first sleeve 36 and the second sleeve 37, so manufacturing cost can be reduced further.
In order to suppress bottom axle 15 to be toppled over, preferably expand the interval between two bearings (first sleeve 36 and the second sleeve 37).On the other hand, usually, in driven steering device 100, owing to adopting the method detecting handling maneuver moment of torsion based on upper axis 14 and the relative rotation of bottom axle 15, so need the stop motion mechnism 40 arranging the amount of relative rotation limiting diaxon 14,15.
In the present embodiment, owing to this stop motion mechnism 40 to be configured at the empty She space between two bearings (first sleeve 36 and the second sleeve 37), so unnecessary space can be saved, and toppling over of bottom axle 15 can be reduced as much as possible.
The present invention is not limited to above-mentioned embodiment, such as, as bearing, can replace first sleeve 36 and second sleeve 37 of Fig. 1, and use needle bearing 36A, 37A as shown in Figure 3.In this case, the rotational resistance between upper axis 14 and bottom axle 15 can be reduced.In addition, also can only replace in the first sleeve 36 and the second sleeve 37 either party and use needle bearing.
In addition, although above-mentioned embodiment is illustrated to the so-called post auxiliary type driven steering device carrying out handling maneuver auxiliary the power of electro-motor 22 being given the bottom axle 15 being supported on the shaft 4 of the steering shaft 2 of Steering gear 3, but be not limited thereto, the so-called miniature gears auxiliary type driven steering device that the pinion shaft 8 that also the present invention can be applicable to the power of electro-motor 22 to give steering shaft 2 is assisted to carry out handling maneuver.
Above, by concrete mode, the present invention is illustrated in detail, but the those skilled in the art that understanding of foregoing easily can consider that it changes, change and equivalent.Therefore, the present invention should comprise the scope of claim and scope equivalent with it.
Description of reference numerals:
1... bearing circle; 2... steering shaft; 3... Steering gear (support unit); 4... shaft; 6... tween drive shaft; 8... pinion shaft; 9... rack bar; A... steering hardware; 14... upper axis; 141... upper end; 142... lower end; 14a... periphery; 15... bottom axle; 151... upper end; 15a... periphery; 15b... end difference; 15c... inner circumferential; 16... torsion bar; 19... sheath; 20... housing; 21... end cap; 22... electro-motor; 23... speed reduction gearing; 24... worm shaft (driven wheel); 25... worm gear (ring gear); 33... the first ball-bearing casing; 34... the second ball-bearing casing; 36... the first sleeve (the first bearing); 36A... first needle bearing (the first bearing); 37... the second sleeve (the second bearing); 37A... second needle bearing (the second bearing); 40... stop motion mechnism; 41... recess; 42... protuberance; 100... driven steering device (vehicle steering apparatus); B... vehicle body; C1... bearing center; X1... axially.
Claims (amendment according to treaty the 19th article)
1. a vehicle steering apparatus, is characterized in that, possesses:
The support unit of hollow;
Steering shaft, the through described support unit of this steering shaft, and the bottom axle comprising upper axis and the tubular linked on coaxially via torsion bar;
First ball-bearing casing, this first ball-bearing casing is held in described support unit, and by the upper end bearing of described upper axis for rotating;
Second ball-bearing casing, this second ball-bearing casing is held in described support unit, and by the supporting of described bottom axle for rotating;
First bearing, the inner circumferential that this first bearing is held in described bottom axle by chimeric and the sleeve being embedded in the periphery of described upper axis are formed, and by the lower end bearing of described upper axis for rotating; And
Second bearing, this second bearing is separated by the axis top be configured to from described first bearing to described steering shaft and is fitted together to the inner circumferential that is held in described bottom axle and the sleeve being embedded in the periphery of described upper axis is formed, and by described upper axis supporting for rotating
Described first bearing comprises the part of the radially inner side of the bearing center being configured at described second ball-bearing casing.
2. vehicle steering apparatus according to claim 1, is characterized in that,
Described vehicle steering apparatus possesses the stop motion mechnism of the amount of relative rotation of the described upper axis of restriction and described bottom axle,
Described stop motion mechnism is configured between described first bearing and described second bearing vertically.
3. vehicle steering apparatus according to claim 1 and 2, is characterized in that,
The sleeve forming described first bearing and described second bearing is respectively synthetic resin system.
Claims (3)
- A kind of vehicle steering apparatus, is characterized in that possessing:The support unit of hollow;Steering shaft, the through described support unit of this steering shaft, and the bottom axle comprising upper axis and the tubular linked on coaxially via torsion bar;First ball-bearing casing, this first ball-bearing casing is held in described support unit, and by the upper end bearing of described upper axis for rotating;Second ball-bearing casing, this second ball-bearing casing is held in described support unit, and by the supporting of described bottom axle for rotating;First bearing, the inner circumferential that this first bearing is held in described bottom axle by chimeric and the sleeve being embedded in the periphery of described upper axis are formed, and by the lower end bearing of described upper axis for rotating; AndSecond bearing, this second bearing is separated by the axis top be configured to from described first bearing to described steering shaft and is fitted together to the inner circumferential that is held in described bottom axle and the sleeve being embedded in the periphery of described upper axis is formed, and by described upper axis supporting for rotatingDescribed first bearing comprises the part of the radially inner side of the bearing center being configured at described second ball-bearing casing.
- Vehicle steering apparatus according to claim 1, is characterized in that,Described vehicle steering apparatus possesses the stop motion mechnism of the amount of relative rotation of the described upper axis of restriction and described bottom axle,Described stop motion mechnism is configured between described first bearing and described second bearing vertically.
- Vehicle steering apparatus according to claim 1 and 2, is characterized in that,The sleeve forming described first bearing and described second bearing is respectively synthetic resin system.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010286353A JP2012131420A (en) | 2010-12-22 | 2010-12-22 | Steering device for vehicle |
| JP2010-286353 | 2010-12-22 | ||
| PCT/JP2011/076189 WO2012086338A1 (en) | 2010-12-22 | 2011-11-14 | Steering device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103269939A CN103269939A (en) | 2013-08-28 |
| CN103269939B true CN103269939B (en) | 2015-12-02 |
Family
ID=46313620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180061167.3A Expired - Fee Related CN103269939B (en) | 2010-12-22 | 2011-11-14 | Vehicle steering apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012131420A (en) |
| CN (1) | CN103269939B (en) |
| WO (1) | WO2012086338A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105745137A (en) * | 2013-11-21 | 2016-07-06 | 标致·雪铁龙汽车公司 | Travel controller, server, and in-vehicle device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101869160B1 (en) * | 2016-10-10 | 2018-06-19 | 주식회사 만도 | Electronic Power Steering System of Dual Torsion Bar |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000002603A (en) * | 1998-06-17 | 2000-01-07 | Koyo Seiko Co Ltd | Torque sensor |
| JP2002104213A (en) * | 2000-09-29 | 2002-04-10 | Koyo Seiko Co Ltd | Power steering device |
| JP2003048549A (en) * | 2001-08-08 | 2003-02-18 | Koyo Seiko Co Ltd | Electric power steering device |
| JP2003182603A (en) * | 2001-12-13 | 2003-07-03 | Toyoda Mach Works Ltd | Midpoint setting method for torque sensor |
| CN1665651A (en) * | 2002-07-03 | 2005-09-07 | 日本精工株式会社 | Motor power steering system |
| CN1766359A (en) * | 2004-10-25 | 2006-05-03 | 日本精工株式会社 | Steering device |
-
2010
- 2010-12-22 JP JP2010286353A patent/JP2012131420A/en active Pending
-
2011
- 2011-11-14 WO PCT/JP2011/076189 patent/WO2012086338A1/en active Application Filing
- 2011-11-14 CN CN201180061167.3A patent/CN103269939B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000002603A (en) * | 1998-06-17 | 2000-01-07 | Koyo Seiko Co Ltd | Torque sensor |
| JP2002104213A (en) * | 2000-09-29 | 2002-04-10 | Koyo Seiko Co Ltd | Power steering device |
| JP2003048549A (en) * | 2001-08-08 | 2003-02-18 | Koyo Seiko Co Ltd | Electric power steering device |
| JP2003182603A (en) * | 2001-12-13 | 2003-07-03 | Toyoda Mach Works Ltd | Midpoint setting method for torque sensor |
| CN1665651A (en) * | 2002-07-03 | 2005-09-07 | 日本精工株式会社 | Motor power steering system |
| CN1766359A (en) * | 2004-10-25 | 2006-05-03 | 日本精工株式会社 | Steering device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105745137A (en) * | 2013-11-21 | 2016-07-06 | 标致·雪铁龙汽车公司 | Travel controller, server, and in-vehicle device |
| CN105745137B (en) * | 2013-11-21 | 2019-04-09 | 标致·雪铁龙汽车公司 | The plate of electric transducer and the steering column of motor vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012131420A (en) | 2012-07-12 |
| WO2012086338A1 (en) | 2012-06-28 |
| CN103269939A (en) | 2013-08-28 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20191114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |