WO2005049406A1 - 車両用衝撃吸収式電動パワーステアリング装置 - Google Patents
車両用衝撃吸収式電動パワーステアリング装置 Download PDFInfo
- Publication number
- WO2005049406A1 WO2005049406A1 PCT/JP2004/017430 JP2004017430W WO2005049406A1 WO 2005049406 A1 WO2005049406 A1 WO 2005049406A1 JP 2004017430 W JP2004017430 W JP 2004017430W WO 2005049406 A1 WO2005049406 A1 WO 2005049406A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dust seal
- steering
- vehicle
- electric power
- column
- Prior art date
Links
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
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
-
- 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
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/195—Yieldable supports for the steering column
Definitions
- the present invention is provided with an annular dust seal on the inner peripheral wall of the lower column for slidingly contacting the outer peripheral surface of the lower shaft (input shaft) to protect the torque sensor portion from foreign matter and dust.
- a power steering device that performs steering assist using an external power source is widely used.
- a vane type hydraulic pump has been used as a power source for the power steering device, and the hydraulic pump has often been driven by an engine.
- this type of power steering system has a large engine drive loss due to the constant drive of the hydraulic pump (several horsepower to ten horsepower at maximum load). It was difficult to adopt, and it was unavoidable that the fuel consumption of vehicles with relatively large displacement could not be ignored.
- EPS Electric Power Steering
- an auxiliary steering torque is generated from the electric motor in response to the steering torque applied to the steering wheel, and decelerated by the power transmission mechanism (deceleration ⁇ ).
- the power is transmitted to the output shaft of the steering mechanism.
- FIG. 8 is a longitudinal sectional view of a conventional shock absorbing electric power steering device for a vehicle.
- the upper column 1 is telescopically slidably fitted to the mouth column 2 of the steering column.
- a hollow upper shaft 3 fitted with a spline and a solid lower shaft 4 (input shaft) are rotatably supported in these two columns 1 and 2.
- a female spline portion 3a formed on the upper shaft 3 is spline-fitted telescopically slidably on a male spline portion 4a formed on the lower shaft 4.
- the lower shaft 4 may have a resin coating on the male spline portion 4a.
- the telescopic displacement at the time of telescopic adjustment can be absorbed by both spline sections 3a and 4a.
- An output shaft 5 is connected to the vehicle front side of the lower shaft 4 (input shaft).
- An intermediate shaft (not shown) is connected to the front side of the output shaft 5 through a universal joint (not shown).
- the base end of a torsion bar 5a is press-fitted and fixed to the vehicle forward side of the lower shaft 4 (input shaft).
- the torsion bar 5a extends inside the hollow output shaft 5
- the tip is fixed to the end of the output shaft 5 by a fixing pin 6.
- a torque sensor section T S On the vehicle rear side of the output shaft 5, a torque sensor section T S is provided. That is, on the vehicle rear side of the output shaft 5, detection grooves 7 for the torque sensor section TS are formed, and radially outward of these grooves 7, the sleeve 8 of the torque sensor section TS is formed. Are arranged. The rear end of the sleeve 8 is fixed to the front end of the lower shaft 4 (input shaft) by caulking or the like. A coil 9, a substrate, and the like are provided radially outside the sleeve 8.
- the output shaft 5 is provided with a worm wheel 12 corresponding to the worm 11 connected to the drive shaft of the electric motor.
- These worm 1 1 and worm wheel 1 2 are housed in a rear housing 13 formed integrally with the lower column 2 and a separate front housing 14.
- the steering force generated by the driver steering a steering wheel (not shown) is transmitted via the input shaft 4, the torsion bar 5a, the output shaft 5, and the rack and pinion type steering device (not shown). It is transmitted to the steered wheels.
- the torque of the electric motor is transmitted to the output shaft 5 via the worm 11 and the worm wheel 12, and by appropriately controlling the torque and the direction of rotation of the electric motor.
- an appropriate steering assist torque can be applied to the output shaft 5.
- the steering device shown in FIG. 8 is a tilt-telescopic type, which can tilt around a tilt pivot P provided in the housing 14, and moves the upper column 1 in the axial direction with respect to the opening column 2. Telescopic sliding is possible.
- a tilt bracket 20 to be attached to the vehicle body is arranged, and a tilt groove 21 is formed.
- the lower column 1 is physically provided with a distance bracket 22 that is pressed against the tilt bracket 20.
- the tightening port 23 is inserted through the round holes of the tilt groove 21 and the distance bracket 22.
- the tilting of the operating lever 24 provided at the end of the tightening port 23 allows tilting.
- Telescopic fastening or release is possible.
- Reference numeral 25 denotes a stopper member at the time of telescopic adjustment
- reference numeral 26 denotes a mounting portion of the steering lock device.
- the upper column 1 will collabs against the lower column 1 and absorbs the impact energy while moving forward. I have. At this time, the female spline portion 3 a of the hollow upper shaft 3 can be brought into contact with the edge of the large diameter portion 4 b of the lower shaft 4.
- An annular dust seal 30 is attached to the inner peripheral wall of the ram 2 to contact the outer peripheral surface of the large diameter portion 4b of the lower shaft 4 (input shaft) to protect the torque sensor TS from foreign matter and dust. .
- annular positioning portion 31 including a projection, a shoulder, a step, or the like is formed behind the dust seal 30 on the vehicle rear side.
- the positioning portion 31 prevents movement of the upper column 1 and the like to the front of the vehicle. This can be an obstacle.
- the positioning portion 31 of the dust seal 30 Since there is the positioning portion 31 of the dust seal 30, the positioning portion 31 interferes with the upper column 1 and the upper shaft 3, and the stroke becomes the end, so that there is a possibility that a sufficient Collabs stroke cannot be secured.
- the positioning part 31 of the dust seal 30 Since the positioning part 31 of the dust seal 30 is provided, the upper column 1 and the upper shaft 3 abut directly on the positioning part 31 of the dust seal 30 to serve as a stop and end, so that the load rise may not be sufficiently suppressed. There is. Disclosure of the invention The present invention has been made in view of the above-described circumstances, and it is possible to secure a Collabs stroke even when a dust seal is provided to protect a part of a torque sensor from foreign matter and dust. In addition, it is possible to provide a shock absorbing electric power steering device for a vehicle which can control the Collabs load and suppress the load rise at the stroke 'end of the upper shaft. Aim.
- a shock absorbing electric power steering device for a vehicle generates an auxiliary steering torque from an electric motor overnight according to a steering torque applied to a steering wheel; And the power is transmitted to the output shaft of the steering mechanism.
- a shock absorbing electric power steering device for vehicles equipped with an annular dust seal on the inner peripheral wall of the steering column that contacts the outer peripheral surface of the input shaft to protect the torque sensor from foreign matter and dust.
- the dust seal is provided so as to be movable together with the movement of the steering column, and absorbs an excessive impact.
- An impact absorbing electric power steering device for a vehicle generates an auxiliary steering torque from an electric motor in accordance with a steering torque applied to a steering wheel, and reduces the speed by a speed reduction mechanism. Transmitted to the output shaft of the steering mechanism,
- shock absorbing electric power steering system for vehicles which has an annular dust seal on the inner peripheral wall of the steering column to protect the torque sensor from foreign matter and dust by contacting the outer peripheral surface of the input shaft,
- a positioning portion for positioning the dust seal is not provided on an inner peripheral wall of the steering column.
- An impact absorbing electric power steering device for a vehicle is configured to generate auxiliary steering torque from an electric motor according to a steering torque applied to a steering wheel, and reduce the speed by a speed reduction mechanism. Transmitted to the output shaft of the steering mechanism, A shock absorbing electric power steering system for vehicles equipped with an annular dust seal on the inner peripheral wall of the steering column and in contact with the outer peripheral surface of the input shaft to protect part of the torque sensor from foreign matter and dust.
- a positioning portion for positioning the dust seal on an inner peripheral wall of the steering column
- the positioning portion is provided on the vehicle front side of the dust seal and is provided at a predetermined interval.
- An electric shock absorbing electric power steering device for a vehicle generates an auxiliary steering torque from an electric motor in response to a steering torque applied to a steering wheel, and decelerates the electric power by a reduction mechanism.
- An electric shock-absorbing electric power steering system for vehicles equipped with an annular dust seal that transmits power to the output shaft of the steering mechanism and contacts the outer peripheral surface of the input shaft on the inner peripheral wall of the steering column to protect the torque sensor from foreign matter and dust.
- a positioning portion for positioning the dust seal on an inner peripheral wall of the steering column
- the positioning portion is provided so as to contact the vehicle front side of the dust seal.
- the dust seal can be moved forward by the impact energy even after the column or the shaft comes into contact with the dust seal at the time of the secondary collision. As a result, it is possible to secure and extend the collapse-stroke.
- the dust seal can be moved forward by the impact energy even after the column and shaft come into contact with the dust seal in a secondary collision.
- the Collabs load can be controlled by appropriately setting the position of the press-fit load of the dust seal and the like.
- the positioning portion is provided at a predetermined interval on the vehicle front side of the dust seal, the impact energy can be absorbed by the Collabs load moving at the predetermined interval. It is possible to suppress the increase in the applied load (the load when the dust seal contacts the positioning part).
- the dust seal is provided so as to contact the front side of the vehicle, the impact energy can be absorbed by the rigidity of the dust seal after the column or shaft contacts the dust seal in a secondary collision. As a result, it is possible to suppress a load increase at the stroke end of the upper column or the upper shaft.
- FIG. 1 is a cross-sectional view of a shock-absorbing electric power steering device for a vehicle according to a first embodiment of the present invention.
- FIG. 2 is a diagram showing a first stage of assembling the shock absorbing electric power steering device for a vehicle shown in FIG.
- FIG. 3 is a view showing the latter stage of the assembling of the vehicle shock absorbing electric power steering apparatus shown in FIG.
- FIG. 4A is a sectional view of a vehicular shock absorbing electric power steering apparatus according to a first modification of the first embodiment of the present invention
- FIG. 4B is a sectional view of the upper column shown in FIG. 4A
- FIG. 4C is a cross-sectional view of a shock absorbing electric power steering device for a vehicle according to a second modification of the first embodiment of the present invention.
- FIG. 5 is a cross-sectional view of a shock absorbing electric power steering device for a vehicle according to a second embodiment of the present invention.
- FIG. 6 is a cross-sectional view of a shock absorbing electric power steering apparatus for a vehicle according to a third embodiment of the present invention.
- FIG. 7A is a graph showing the relationship between the Collabs load and the stroke according to the comparative example
- FIG. 7B is a graph showing the relationship between the Collabs load and the stroke according to the example of the present invention.
- FIG. 8 is a longitudinal sectional view of a conventional shock absorbing electric power steering device for a vehicle.
- FIG. 1 is a cross-sectional view of a shock-absorbing electric power steering device for a vehicle according to a first embodiment of the present invention.
- FIG. 2 is a diagram showing a first stage of assembling the shock absorbing electric power steering apparatus for a vehicle shown in FIG.
- FIG. 3 is a view showing the latter stage of the assembling of the shock absorbing electric power steering device for a vehicle shown in FIG.
- an upper column 1 is telescopically slidably fitted to an opening column 2 of the steering column.
- a hollow upper shaft 3 fitted with a spline and a solid lower shaft 4 (input shaft) are rotatably supported in these two columns 1 and 2.
- a female spline portion 3a formed on the upper shaft 3 is spline-fitted telescopically slidably on a male spline portion 4a formed on the lower shaft 4.
- the male shaft 4a of the lower shaft 4 may be resin-coated.
- the expansion and contraction displacement during telescopic adjustment is absorbed by both splines 3a and 4a be able to.
- An output shaft 5 is connected to the vehicle front side of the lower shaft 4 serving as an input shaft.
- An intermediate shaft (not shown) is connected to the front side of the output shaft 5 through a universal joint (not shown).
- the base end of a torsion bar 5a is press-fitted and fixed to the vehicle front side of the lower shaft 4 (input shaft).
- the torsion bar 5a extends inside the hollow output shaft 5
- the tip is fixed to the end of the output shaft 5 by a fixing pin 6.
- a torque sensor part T S is provided on the vehicle rear side of the output shaft 5. That is, on the vehicle rear side of the output shaft 5, a detection groove 7 for a part of the torque sensor TS is formed, and a sleeve 8 of the torque sensor part TS is formed radially outward of these grooves 7. It is arranged.
- the rear end of the sleeve 8 is fixed to the front end of the lower shaft 4 (input shaft) by caulking or the like.
- a coil 9, a substrate, and the like are provided radially outside the sleeve 8.
- the output shaft 5 is provided with a worm wheel 12 corresponding to the worm 11 connected to the drive shaft of the electric motor.
- the worm 11 and the worm wheel 12 are housed in a rear housing 13 formed integrally with the lower column 2 and a separate front housing 14.
- the steering force generated by the driver steering the steering wheel (not shown) is transmitted via the input shaft 4, the torsion bar 5a, the output shaft 5, and the rack and pinion type steering device. Not transmitted to the steered wheels.
- the torque of the electric motor is transmitted to the output shaft 5 via the worm 11 and the worm wheel 12, and the output is controlled by appropriately controlling the torque and the rotation direction of the electric motor.
- An appropriate steering assist torque can be applied to the shaft 5.
- the steering device shown in FIG. 1 is a tilt-telescopic adjustment type, which can tilt around a tilt pivot P provided in a housing 14 and a lower tilt.
- the upper column 1 can be telescopically slid in the axial direction relative to one column 2.
- a tilt bracket 20 to be attached to the vehicle body is arranged, and a tilt groove 21 is formed.
- the lower column 1 is physically provided with a distance bracket 22 that is pressed against the tilt bracket 20.
- Tightening bolts 23 are inserted through the round holes of the tilt groove 21 and the distance bracket 22.
- Reference numeral 25 denotes a stopper member for telescopic movement
- reference numeral 26 denotes a mounting portion of the steering lock device.
- the upper column 1 collabs with the lower column 2 and absorbs the impact energy while moving forward. ing. At this time, the female spline portion 3 a of the hollow upper shaft 3 can be brought into contact with the edge of the large diameter portion 4 b of the lower shaft 4.
- an inner peripheral wall of the lower column 2 has an annular shape that contacts the outer peripheral surface of the large-diameter portion 4b of the lower shaft 4 (input shaft) to protect a part of the torque sensor TS from foreign matter, dust, and the like. Dust seal 30 is installed.
- seal material of the dust seal 30 generally, nitrile rubber or an acrylic rubber equivalent is used.
- a nitrile rubber-equivalent product is used, and the detailed conditions apply section B of JISB2402. This seal material is the same in the following other embodiments and modifications.
- annular positioning portion 31 including a protrusion, a shoulder, a step, or the like is formed as in the conventional example shown in FIG. Absent. That is, in the present embodiment, the positioning portion 31 is omitted, and the inner peripheral wall of the mouth column 2 has a uniform inner diameter over the entire length.
- the second assembly Y including the lower shaft 4 and the output shaft 5 is assembled to the lower column 2 of the first assembly X, and the lower column 2 is assembled from the distal end of the lower column.
- the shaft 4 and the output shaft 5 are inserted, and the annular dust seal 30 held at the tip of the jig 40 is slidably contacted with the outer surface of the lower shaft (also referred to as “ ⁇ ” in this specification). Position.
- the inner peripheral surface of the dust seal 30 is slidably contacted with the outer peripheral surface of the large diameter portion 4b of the lower shaft 4, and the mounting of the dust seal 30 is completed, and the jig 40 is removed.
- the mounting of the dust seal 30 and the assembly of the electric power steering device can be performed extremely easily and easily even if the positioning portion 31 is eliminated.
- the upper column 1 comes into contact with the dust seal 30 due to the impact load.
- the dust seal 30 could still maintain the upper column 1 or It is possible to move forward with the upper shaft 3 together with the upper shaft 3, so that the Collabs' stroke can be secured and extended. At this time, the impact energy can be absorbed by the rigidity of the dust seal 30.
- the dust seal 30 can move forward with the upper column 1 etc. even after the upper column 1 etc. comes into contact with the dust seal 30. , Dust seal 30 Can absorb impact energy.
- the Collabs load can be controlled by appropriately setting the press-fit load and the position of the dust seal 30.
- the load control by the dust seal 30 may be configured as described below in addition to the press-fit load and the position of the dust seal 30.
- FIG. 4A is a cross-sectional view of a vehicular shock absorbing electric power steering device according to a first modification of the first embodiment of the present invention
- FIG. 4B is a portion of the upper column shown in FIG. 4A
- FIG. 4C is a side view
- FIG. 4C is a cross-sectional view of a vehicular shock absorbing electric power steering apparatus according to a second modification of the first embodiment of the present invention.
- the dust seal 30 in the inner diameter of the lower column 2 serving as a housing, the dust seal 30 is in front of the vehicle in the dust seal 30 with respect to the portion 32 where the dust seal 30 normally slides.
- a taper portion 33 is formed on the side, and a small-diameter portion 34 is formed on the vehicle front side.
- the tapered portion 33 is formed in a taper such that the diameter becomes gradually smaller toward the vehicle front side of the lower column 2.
- the taper portion 33 can gradually increase the collapse load. Therefore, the Collabs load that can be absorbed in a limited space can be increased.
- a slit 1a is formed in the front end portion of the upper column 1 in the vehicle front so as to face the radial direction, and the upper column 1 can be reduced in diameter and expanded. It is like that. Thereby, the sliding load of the upper column 1 can be adjusted by changing the dimensions and the like of the slit 1a.
- the portion 32 where the dust seal 30 is normally in contact is located on the vehicle front side of the dust seal 30.
- a large-diameter portion 35 having a larger diameter is formed.
- the Collabs load can be reduced at once.
- FIG. 5 is a cross-sectional view of a shock absorbing electric power steering device for a vehicle according to a second embodiment of the present invention.
- the basic structure is the same as that of the above-described embodiment, and only different points will be described.
- a positioning portion 31 for positioning the dust seal 30 is formed on the inner peripheral wall of the lower column 2.
- the positioning portion 31 is located on the vehicle front side of the dust seal 30, and usually at a predetermined interval (d) from the dust seal 30, and the inner peripheral wall portion 32 to which the dust seal 30 is in sliding contact usually has a radius. Is also formed by a small diameter portion having a small inside diameter.
- the front end of the upper column 1 comes into contact with the dust seal 30 due to the impact load.
- the dust seal 30 remains at the predetermined distance (d) to the positioning portion 31 by the impact energy to the upper column 1 and the upper column. It can move forward with the shaft 3.
- the collapse stroke can be ensured and extended, and the impact energy can be absorbed by the rigidity of the dust seal 30 when moving forward in the vehicle.
- the impact energy can be absorbed even by the collapse load that moves the upper column 1 and the upper shaft 3 at a predetermined distance (d), so that the stroke and the end load (the dust seal 30 ) Can be suppressed.
- FIG. 6 is a cross-sectional view of a shock absorbing electric power steering apparatus for a vehicle according to a third embodiment of the present invention.
- the basic structure is similar to that of the above-described embodiment. Only the following points will be described.
- a positioning portion 31 for positioning the dust seal 30 is formed on the inner peripheral wall of the lower column 2.
- the positioning portion 31 is provided as a step formed by a small-diameter portion having an inner diameter smaller than the diameter of the inner peripheral wall portion 32 to which the dust seal 30 normally slides so as to contact (closely contact) the front side of the dust seal 30. It is.
- the upper column 1 comes into contact with the dust seal 30 due to the impact load.
- the positioning portion 31 is provided so as to be in close contact with the dust seal 30 in front of the vehicle, impact energy can be absorbed by the rigidity of the dust seal 30. As a result, it is possible to suppress an increase in load at the stroke end where the dust seal 30 comes into contact with the positioning portion 31.
- FIG. 7A is a graph showing the relationship between the Collabs load and the stroke according to the comparative example
- FIG. 7B is a graph showing the relationship between the Collabs load and the stroke according to each example of the present invention. .
- the positioning portion of the dust seal is eliminated, even after the column or the shaft comes into contact with the dust seal at the time of the secondary collision.
- the dust seal can move forward of the vehicle by the impact energy, and at this time, the impact energy can be absorbed by the rigidity of the dust seal.
- the positioning portion according to the second embodiment of the present invention is provided at a predetermined interval on the vehicle front side of the dust seal, it can absorb the impact energy even by the Collabs load moving at the predetermined interval. As a result, it is possible to suppress an increase in the bottomed load (the load when the dust seal contacts the positioning portion). Furthermore, in the third embodiment of the present invention, since the dust seal is provided so as to contact the front side of the vehicle, after the column or the shaft comes into contact with the dust seal at the time of the secondary collision, the impact energy is increased by the rigidity of the dust seal. One can absorb. As a result, a rise in load at the stroke end can be suppressed.
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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
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005515685A JP4682041B2 (ja) | 2003-11-18 | 2004-11-17 | 車両用衝撃吸収式電動パワーステアリング装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-388206 | 2003-11-18 | ||
JP2003388206 | 2003-11-18 |
Publications (1)
Publication Number | Publication Date |
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WO2005049406A1 true WO2005049406A1 (ja) | 2005-06-02 |
Family
ID=34616182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/017430 WO2005049406A1 (ja) | 2003-11-18 | 2004-11-17 | 車両用衝撃吸収式電動パワーステアリング装置 |
Country Status (2)
Country | Link |
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JP (1) | JP4682041B2 (ja) |
WO (1) | WO2005049406A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5858842B2 (ja) * | 2012-03-28 | 2016-02-10 | 株式会社ショーワ | ステアリング装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07198510A (ja) * | 1993-12-28 | 1995-08-01 | Honda Motor Co Ltd | トルクセンサ |
JPH10267771A (ja) * | 1997-03-25 | 1998-10-09 | Honda Lock Mfg Co Ltd | トルク検出器 |
JP2001158368A (ja) * | 1999-12-02 | 2001-06-12 | Nsk Ltd | 電動式パワーステアリング装置 |
JP2001158367A (ja) * | 1999-12-02 | 2001-06-12 | Nsk Ltd | 電動式パワーステアリング装置 |
JP2002173035A (ja) * | 2000-12-07 | 2002-06-18 | Nsk Ltd | 電動式パワーステアリング装置 |
JP2003531072A (ja) * | 2000-04-25 | 2003-10-21 | ビステオン グローバル テクノロジーズ インコーポレイテッド | モジュール式電気舵取り歯車組立体 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6421064A (en) * | 1987-07-16 | 1989-01-24 | Kobe Steel Ltd | Zinc alloy plated metallic material having superior corrosion resistance and workability |
JPH0531013Y2 (ja) * | 1987-07-29 | 1993-08-09 | ||
JPH0582747U (ja) * | 1992-04-14 | 1993-11-09 | 株式会社山田製作所 | テレスコピックステアリングの緩衝構造 |
JP2000190857A (ja) * | 1998-12-28 | 2000-07-11 | Nsk Ltd | 電動式パワ―ステアリング装置 |
-
2004
- 2004-11-17 JP JP2005515685A patent/JP4682041B2/ja not_active Expired - Fee Related
- 2004-11-17 WO PCT/JP2004/017430 patent/WO2005049406A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07198510A (ja) * | 1993-12-28 | 1995-08-01 | Honda Motor Co Ltd | トルクセンサ |
JPH10267771A (ja) * | 1997-03-25 | 1998-10-09 | Honda Lock Mfg Co Ltd | トルク検出器 |
JP2001158368A (ja) * | 1999-12-02 | 2001-06-12 | Nsk Ltd | 電動式パワーステアリング装置 |
JP2001158367A (ja) * | 1999-12-02 | 2001-06-12 | Nsk Ltd | 電動式パワーステアリング装置 |
JP2003531072A (ja) * | 2000-04-25 | 2003-10-21 | ビステオン グローバル テクノロジーズ インコーポレイテッド | モジュール式電気舵取り歯車組立体 |
JP2002173035A (ja) * | 2000-12-07 | 2002-06-18 | Nsk Ltd | 電動式パワーステアリング装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005049406A1 (ja) | 2007-06-07 |
JP4682041B2 (ja) | 2011-05-11 |
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