WO2011048846A1 - Capteur de couple - Google Patents
Capteur de couple Download PDFInfo
- Publication number
- WO2011048846A1 WO2011048846A1 PCT/JP2010/060520 JP2010060520W WO2011048846A1 WO 2011048846 A1 WO2011048846 A1 WO 2011048846A1 JP 2010060520 W JP2010060520 W JP 2010060520W WO 2011048846 A1 WO2011048846 A1 WO 2011048846A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- yokes
- portions
- ring portion
- yoke
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/221—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to steering wheels, e.g. for power assisted steering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
- G01L3/104—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving permanent magnets
Definitions
- the present invention relates to a torque sensor that detects torsion between a first shaft and a second shaft that are coaxially connected via a torsion bar.
- a ring-shaped multipolar permanent magnet is fixed to the first shaft connected to the second shaft by a torsion bar, and a pair of rotating yokes each having a claw portion facing the permanent magnet are fixed to the second shaft.
- a torque sensor configured as described above is known from Patent Document 1.
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a torque sensor capable of reducing the magnetization cost and suppressing the influence of magnetic force variation between magnetic poles.
- the present invention provides a torque sensor that detects torsion between a first shaft and a second shaft that are coaxially connected via a torsion bar, and includes a first ring portion and a first ring portion.
- a first rotating yoke that has a plurality of first claw portions that extend in the axial direction and are connected to a plurality of locations at equal intervals in the circumferential direction, and is fixed to the first shaft;
- a second ring portion that is formed in a large diameter and coaxially surrounds the first ring portion, and a plurality of first rings that extend in the axial direction and are connected to a plurality of locations at equal intervals in the circumferential direction of the second ring portion.
- a second rotating yoke having a plurality of second claw portions disposed between the claw portions and fixed to the first shaft, and radially magnetized so that the inner peripheral side and the outer peripheral side have different poles from each other
- a ring-shaped permanent magnet fixedly disposed between the first and second ring portions;
- a plurality of third claw portions that are connected to a plurality of locations at equal intervals in the circumferential direction of the first ring portion and the third ring portion, and are fixed to the second shaft with a plurality of third claw portions facing the first and second claw portions.
- the first and second magnetism collecting yokes Provided between the first and second magnetism collecting yokes, the first and second magnetism collecting yokes arranged at fixed positions facing the third and fourth ring portions, respectively.
- a first feature is that a magnetic detection element is provided.
- the present invention provides a sensor housing made of synthetic resin that is disposed at a fixed position so as to cover the first to fourth rotating yokes, the permanent magnets, the first and second magnetic flux collecting yokes. Further, the second feature is that the permanent magnet and both the magnetic flux collecting yokes are insert-coupled.
- the first and second rotating yokes, and a first holder made of synthetic resin in which a part of the first and second rotating yokes are insert-coupled A first shaft-side rotary yoke body fixed to the first shaft, and a third and fourth rotary yoke, and a second holder made of synthetic resin in which a part of the third and fourth rotary yokes are insert-bonded.
- a third feature is that the second shaft side rotary yoke body provided is fixed to the second shaft.
- the Hall IC 22 of the embodiment corresponds to the magnetic detection element of the present invention.
- the inner circumferential side and the outer circumferential side are different from each other between the first ring portion of the first rotating yoke and the second ring portion of the second rotating yoke fixed to the first shaft. Since the ring-shaped permanent magnets are fixedly arranged, the first and second claw portions of the first and second rotary yokes have different magnetic poles. On the other hand, the third claw portion of the third rotating yoke fixed to the second shaft and the fourth claw portion of the fourth rotating yoke are opposed to the first and second claw portions, and the third and fourth rotating yokes.
- the magnetic detection element is provided between a pair of magnetism collecting yokes fixedly arranged corresponding to the third and fourth ring portions individually, if a twist occurs between the first axis and the second axis, The relative position in the circumferential direction between the second claw portion and the third and fourth claw portions changes to change the magnetic flux between the first and second magnetic flux collecting yokes. A twist between the shafts is detected.
- the ring-shaped permanent magnet is magnetized in the radial direction, the magnetizing cost can be reduced, and the influence of the magnetic force variation between the magnetic poles can be reduced.
- the sensor output when adjusting the variation in magnetic force by changing the sensor setting (e.g., neutral position output), the sensor output can be adjusted only with a torque sensor incorporating a permanent magnet and a magnetic detection element. Therefore, it is possible to reduce the number of steps for assembling the intermediate portion of the steering shaft in the electric power steering apparatus.
- the sensor setting e.g., neutral position output
- the first shaft side including the first and second rotating yokes and the first holder made of synthetic resin in which a part of the first and second rotating yokes are insert-bonded.
- FIG. 1 is a longitudinal sectional view of the torque sensor.
- FIG. 2 is an exploded vertical sectional view of the torque sensor.
- FIG. 3 is an exploded perspective view of the first rotating yoke, the second rotating yoke, the permanent magnet, the third rotating yoke, the fourth rotating yoke, the first magnetic collecting yoke, and the second magnetic collecting yoke.
- FIG. 4 is a perspective view of the first shaft-side rotating yoke body fixed to the first shaft and the second shaft-side rotating yoke body fixed to the second shaft.
- FIG. 5 is a perspective view of the first shaft-side rotating yoke body.
- FIG. 5 is a perspective view of the first shaft-side rotating yoke body.
- FIG. 6 is a view taken in the direction of arrow 6 in FIG.
- FIG. 7 is an enlarged sectional view taken along line 7-7 of FIG. 2 in a state where the torsion bar is omitted.
- FIG. 8 is an exploded perspective view of the first magnetism collecting yoke, the second magnetism collecting yoke, the Hall IC, the third holder, and the terminals.
- FIG. 9 is an overall perspective view of the torque sensor.
- FIG. 10 is a diagram showing changes in the relative positions of the first to fourth claw portions.
- the intermediate portion of the steering shaft is configured in accordance with the present invention so as to detect the twist between the first shaft 11 and the second shaft 12 connected by the torsion bar 13.
- a torque sensor is provided.
- the torque sensor includes a first ring portion 15a and a second ring portion 16a, and first and second rotary yokes 15 and 16 fixed to the first shaft 11, and first and second ring portions 15a and 15a.
- a ring-shaped permanent magnet 17 fixedly disposed between 16a, and third and fourth rotating yokes 18, 19 having a third ring portion 18a and a fourth ring portion 19a, respectively, and fixed to the second shaft 12.
- a pair of magnetic flux collecting yokes 20 and 21 disposed at fixed positions facing the third and fourth ring portions 18a and 19a, respectively, and a Hall IC 22 which is a magnetic detection element provided between the magnetic flux collecting yokes 20 and 21. ... And.
- the first rotating yoke 15 includes a first ring portion 15a and a plurality of portions extending in the axial direction, for example, six portions that are provided at equal intervals in the circumferential direction of the first ring portion 15a. .., And six first claw portions 15b, 15b,... Are integrally formed, and the second rotary yoke 16 is formed with a diameter larger than that of the first ring portion 15a and coaxially surrounds the first ring portion 15a.
- the first claw portions 15b, 15b ... and the second claw portions 16b, 16b ... have their claw portions 15b, 15b ...; 16b, 16b ... centered on the axis of the first shaft 11.
- the first and second rotary yokes 15 and 16 the cylindrical first collar 23 fixed to the first shaft 11 by press-fitting or the like, the first rotary yoke 15,
- the first holder 24 made of synthetic resin in which a part of the second rotating yoke 16 and the first collar 23 are insert-coupled constitutes a first shaft-side rotating yoke body 25.
- the first holder 24 covers the lower outer periphery of the first collar 23 and connects the first ring portion 15 a of the first rotating yoke 15 and the first collar 23 that are disposed below the first collar 23 with a space therebetween. Downward from the first annular portion 24a so as to fill the axially extending grooves 36 provided at a plurality of, for example, three locations, spaced at equal intervals in the circumferential direction of the outer surface of the first ring portion 15a. And a plurality of, for example, three connecting portions 24b extending to the lower portion of the second rotating yoke 16 and the lower portions of the second ring portion 16a and the first ring portion 15a.
- the portion of the outer periphery of the first ring portion 15a of the first rotating yoke 15 excluding the connecting portion 24b ... while being held by the first holder 24 is the second ring portion 16a side of the second rotating yoke 16.
- 16b, 16b are exposed to the first ring portion 15a and the entire inner circumference of the second ring portion 16a of the second rotary yoke 16 is exposed.
- the outer surface of... Faces outward along the same virtual circle centered on the axis of the first shaft 11.
- the permanent magnet 17 is formed in a ring shape by being magnetized in the radial direction so that the inner peripheral side and the outer peripheral side are different from each other, and is fixedly disposed between the first and second ring portions 15a, 16a.
- the inner periphery of the permanent magnet 17 facing the outer periphery of the first ring portion 15a in the first rotating yoke 15 is magnetized, for example, to the N pole, whereas the second ring portion 16a in the second rotating yoke 16 is The outer periphery of the permanent magnet 17 facing the inner periphery is magnetized, for example, to an S pole.
- the third rotating yoke 18 includes a third ring portion 18a and a plurality of, for example, six third claw portions 18b provided continuously at a plurality of locations, for example, six locations at equal intervals in the circumferential direction of the third ring portion 18a. 18b ..., and the fourth rotating yoke 19 includes a fourth ring portion 19a and a plurality of, for example, a plurality of, for example, six portions provided at equal intervals in the circumferential direction of the fourth ring portion 19a. It has six 4th nail
- the third ring portion 18a and the fourth ring portion 19a are formed to have the same diameter and are disposed at positions shifted from each other in the axial direction of the second axis, and the third claw portions 18b, 18b,.
- the claw portions 19b, 19b... Are formed so as to extend in the axial direction so that the claw portions 18b, 18b... 19b, 19b.
- the first and second rotating yokes 19 have the third and fourth claw portions 18b, 18b... 19b, 19b... With their inner surfaces along the same virtual circle centered on the axis of the second shaft 12.
- the first and second claw portions 15b, 15b ...; 16b, 16b ... are arranged so as to face the outer sides in the radial direction.
- the second holder 27 covers the upper outer periphery of the second collar 26 and connects the fourth ring portion 19 a of the fourth rotating yoke 19 and the second collar 26 disposed above the second collar 26 with a space therebetween.
- the second annular portion 27a and the third and fourth ring portions 18a, 19a located at positions separated from each other in the upper axial direction of the second collar 26 are connected to each other and the third and fourth claw portions 18b, 18b,. 19b, 19b...
- the inner surfaces of the third and fourth claw portions 18b, 18b... 19b, 19b... At 18 and 19 are flush with the inner peripheral surface of the second cylindrical portion 27b of the second holder 27.
- the first and second magnetic collecting yokes 20, 21 are arc portions 20 a, 21 a formed in an arc shape centering on the axis of the second shaft 12, and arc portions 20 a, 21 a.
- the magnetic flux collecting portions 20b, 20b; 21b, 21b projecting outward in the radial direction from the central portion in the circumferential direction are integrally formed, and are formed in the same shape.
- the rotating yoke 18 is arranged so as to oppose the outer periphery of the third ring portion 18a and the inner periphery of the arc portion 21a is arranged to oppose the outer periphery of the fourth ring portion 19a in the fourth rotating yoke 19, and both the magnetism collecting portions 20b, 21b. ; Hall ICs 22 and 22 are provided between 20b and 21b.
- the magnetism collecting portions 20b, 20b; 21b, 21b are projected at two locations spaced apart in the circumferential direction of the arc portions 20a, 21a in the first and second magnetism collecting yokes 20, 21, and two pairs forming a pair
- the Hall ICs 22 and 22 are provided between the magnetism collecting portions 20b and 21b; 20b and 21b, respectively, and when one Hall IC 22 fails, the other Hall IC 22 can detect.
- first to fourth rotating yokes 15, 16, 18, 19, permanent magnet 17, first and second magnetic collecting yokes 20, 21 are made of synthetic resin and arranged at fixed positions.
- An annular support projection 17a provided integrally with the permanent magnet 17 and projecting in the axial direction; and outer peripheral sides of the first and second magnetic flux collecting yokes 20 and 21; are insert-coupled to the sensor housing 30.
- first and second magnetic flux collecting yokes 20, 21 and the magnetic flux collecting portions 20b, 21b of the magnetic flux collecting yokes 20, 21; Hall ICs 22 provided between the magnetic flux collecting portions 20b, 21b; 8 are assembled to an arc-shaped third holder 31 made of synthetic resin, as shown in FIG. 8, and the first and second magnetic flux collecting yokes 20 and 21, the Hall IC 22.
- the third holder 31 in the assembled state is molded and coupled to the sensor housing 30 when the sensor housing 30 is molded.
- the sensor housing 30 is integrally formed with a connector portion 30a, and the terminals 32 are arranged in the connector portion 30a.
- the sensor housing 30 is fixed to a vehicle body (not shown), and cylindrical third collars 37 are inserted and connected to a plurality of, for example, three portions of a flange portion 30a provided integrally with the sensor housing 30.
- the sensor housing 30 is fixed to the vehicle body side by bolts (not shown) inserted through the third collars 37.
- the sensor housing 30 to which the first and second magnetism collecting yokes 20 and 21 are insert-coupled includes the first and second ring portions 15a of the first and second rotating yokes 15 and 16 in the first shaft-side rotating yoke body 25.
- the permanent magnet 17 is arranged between the first shaft 11 side so as to cover the torsion bar 13, the first shaft side rotating yoke body 25 and the second shaft side rotating yoke body 28. Eclipsed.
- the first ring portion 15a and the plurality of first claw portions extending in the axial direction are provided at a plurality of positions spaced at equal intervals in the circumferential direction of the first ring portion 15a.
- the first rotating yoke 15 having 15b, 15b...,
- the second ring portion 16a formed in a larger diameter than the first ring portion 15a and coaxially surrounding the first ring portion 15a and the circumferential direction of the second ring portion 16a
- Second rotation having a plurality of second claw portions 16b, 16b... Arranged in a plurality of positions at equal intervals and extending in the axial direction and disposed between the plurality of first claw portions 15b, 15b.
- a ring-shaped permanent magnet 17 is fixed between the first and second ring portions 15a and 16a, with the yoke 16 fixed to the first shaft 11 and radially magnetized so that the inner and outer peripheral sides have different poles.
- Fixedly placed on the second A plurality of third portions which are continuously provided at a plurality of locations at equal intervals in the circumferential direction of the ring portion 18a and the third ring portion 18a and which are opposed to the first and second claw portions 15b, 15b... 16b, 16b.
- the third rotating yoke 18 having the claw portions 18b, 18b... A, and the fourth ring portion 19a that is formed to have the same diameter as the third ring portion 18a and is displaced from the third ring portion 18a in the axial direction.
- the third claw portion 18b is connected to a plurality of locations at equal intervals in the circumferential direction of the fourth ring portion 19a and is opposed to the first and second claw portions 15b, 15b... 16b, 16b.
- a fourth rotating yoke 19 having a plurality of fourth claw portions 19b, 19b,... Disposed between 18b... Is fixed to the second shaft 12, and faces the third and fourth ring portions 18a, 19a, respectively.
- Fixed position Hall IC 22 ... are provided between the first and second magnetic flux collecting yokes 20 and 21 are arranged.
- the first claw portion 15b of the first rotating yoke 15 with the first ring portion 15a opposed to the N pole has many portions that overlap the fourth claw portion 19b of the fourth rotating yoke 19 in the radial direction.
- the second claw portion 16b of the second rotating yoke 16 with the second ring portion 16a facing the other of the N pole and the S pole (in this embodiment, the S pole) of the permanent magnet 17 is the third rotating yoke 18. There are many portions that overlap the third claw portions 18b in the radial direction.
- the first claw portion 15b of the first rotary yoke 15 and the second claw portion 16b of the second rotary yoke 16, the third claw portion 18b of the third rotary yoke 18, and the fourth rotary yoke 19 are formed. Change in the circumferential relative position with respect to the fourth claw portions 19b... Changes in the magnetic flux between the first and second magnetic flux collecting yokes 20 and 21, thereby causing the first shaft 11 and the first A twist between the two shafts 12 is detected.
- the ring-shaped permanent magnet 17 is magnetized in the radial direction, the magnetizing cost can be reduced, and the influence of the magnetic force variation between the magnetic poles can be reduced.
- the sensor housing 30 made of synthetic resin, which is disposed at a fixed position so as to cover the first to fourth rotating yokes 15, 16, 18, 19, the permanent magnet 17, and the first and second magnetic collecting yokes 20, 21, is permanently attached. Since the magnet 17 and the first and second magnetic collecting yokes 20 and 21 are insert-coupled, when adjusting the variation in magnetic force by changing the sensor setting (e.g. neutral position output), the permanent magnet 17 and the Hall IC 22. Since the sensor output can be adjusted only by the torque sensor with the built-in motor, it is possible to reduce the number of assembling steps to the intermediate portion of the steering shaft in the electric power steering apparatus.
- the sensor setting e.g. neutral position output
- first and second rotating yokes 15 and 16 a first holder 24 made of synthetic resin in which a part of the first and second rotating yokes 15 and 16 are insert-bonded, and a first collar 23 are provided.
- a shaft-side rotating yoke body 25 is fixed to the first shaft 11, and the third and fourth rotating yokes 18, 19 and a part of the third and fourth rotating yokes 18, 19 are insert-bonded and made of synthetic resin. Since the second shaft-side rotary yoke body 28 including the two holders 27 and the second collar 27 is fixed to the second shaft 12, the first shaft-side rotary yoke body 25 and the second shaft-side rotary yoke body 28 are preliminarily attached.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Steering Mechanism (AREA)
Abstract
L'invention concerne un capteur de couple, comprenant un aimant permanent annulaire (17) dont la surface intérieure et la surface extérieure sont de polarités différentes et qui est fixé en place entre une première partie d'anneau (15a) d'une première culasse rotative (15) et une deuxième partie d'anneau (16a) d'une deuxième culasse rotative (16) fixées à un premier arbre (11). Une troisième broche (18b) sur une troisième culasse rotative (18) et une quatrième broche (19b) sur une quatrième culasse rotative (19) fixées à un deuxième arbre (12) sont placées en regard de première et deuxième broches (15b, 16b) sur les première et deuxième culasses rotatives (15, 16). Un élément de détection magnétique (22) est inséré entre des première et deuxième culasses (20, 21) de collecte de flux magnétique fixées en place en correspondance respective avec des troisième et quatrième parties d'anneau (18a, 19a) des troisième et quatrième culasses rotatives (18, 19). Cette conception permet de réduire le coût d'aimantation du capteur de couple et d'atténuer l'effet des variations de force magnétique entre les pôles magnétiques.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-241298 | 2009-10-20 | ||
JP2009241298A JP5243385B2 (ja) | 2009-10-20 | 2009-10-20 | トルクセンサ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011048846A1 true WO2011048846A1 (fr) | 2011-04-28 |
Family
ID=43900088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/060520 WO2011048846A1 (fr) | 2009-10-20 | 2010-06-22 | Capteur de couple |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5243385B2 (fr) |
WO (1) | WO2011048846A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013146425A1 (fr) * | 2012-03-28 | 2013-10-03 | カヤバ工業株式会社 | Dispositif de direction assistée électrique |
CN103900748A (zh) * | 2012-12-25 | 2014-07-02 | 株式会社捷太格特 | 转矩检测装置、以及具备该转矩检测装置的转向装置 |
EP2833110A1 (fr) * | 2013-08-02 | 2015-02-04 | Jtekt Corporation | Dispositif de détection de couple et système à direction assistée électrique |
EP3276318A1 (fr) * | 2016-07-27 | 2018-01-31 | Jtekt Corporation | Dispositif de détection de couple et servodirection |
CN110873617A (zh) * | 2018-08-29 | 2020-03-10 | 株式会社捷太格特 | 传感器装置 |
CN111051836A (zh) * | 2017-09-01 | 2020-04-21 | 株式会社电装 | 转矩检测装置和磁传感器模块 |
US11579031B2 (en) * | 2020-01-20 | 2023-02-14 | Melexis Technologies Sa | Sensor structure for measuring torque |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5978876B2 (ja) * | 2012-09-14 | 2016-08-24 | 株式会社ジェイテクト | トルク検出装置、および同装置を備えるステアリング装置 |
JP5899090B2 (ja) * | 2012-09-14 | 2016-04-06 | 日立オートモティブシステムズステアリング株式会社 | トルクセンサ |
JP2014092452A (ja) * | 2012-11-02 | 2014-05-19 | Jtekt Corp | トルク検出装置、および同装置を備えるステアリング装置 |
WO2018024126A1 (fr) * | 2016-07-31 | 2018-02-08 | 青岛三祥高科汽车电子有限公司 | Capteur de couple sans contact |
CN106225980A (zh) * | 2016-07-31 | 2016-12-14 | 青岛三祥高科汽车电子有限公司 | 非接触式扭矩传感器 |
WO2019044562A1 (fr) | 2017-09-01 | 2019-03-07 | 株式会社デンソー | Dispositif de détection de couple et module de capteur magnétique |
US11953395B2 (en) * | 2022-03-18 | 2024-04-09 | Allegro Microsystems, Llc | Magnetic field differential linear torque sensor |
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JPH0344528A (ja) * | 1989-07-12 | 1991-02-26 | Nippon Seiko Kk | トルク検出器 |
JP2005308443A (ja) * | 2004-04-19 | 2005-11-04 | Tokyo Cosmos Electric Co Ltd | 非接触型トルクセンサ |
JP2008203176A (ja) * | 2007-02-22 | 2008-09-04 | Nsk Ltd | トルクセンサ及びこれを使用した電動パワーステアリング装置 |
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2009
- 2009-10-20 JP JP2009241298A patent/JP5243385B2/ja not_active Expired - Fee Related
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2010
- 2010-06-22 WO PCT/JP2010/060520 patent/WO2011048846A1/fr active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0344528A (ja) * | 1989-07-12 | 1991-02-26 | Nippon Seiko Kk | トルク検出器 |
JP2005308443A (ja) * | 2004-04-19 | 2005-11-04 | Tokyo Cosmos Electric Co Ltd | 非接触型トルクセンサ |
JP2008203176A (ja) * | 2007-02-22 | 2008-09-04 | Nsk Ltd | トルクセンサ及びこれを使用した電動パワーステアリング装置 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013146425A1 (fr) * | 2012-03-28 | 2013-10-03 | カヤバ工業株式会社 | Dispositif de direction assistée électrique |
JP2013203212A (ja) * | 2012-03-28 | 2013-10-07 | Kyb Co Ltd | 電動パワーステアリング装置 |
US9296413B2 (en) | 2012-03-28 | 2016-03-29 | Kyb Corporation | Electric power steering device |
CN107380259A (zh) * | 2012-03-28 | 2017-11-24 | Kyb株式会社 | 电动动力转向装置 |
CN103900748A (zh) * | 2012-12-25 | 2014-07-02 | 株式会社捷太格特 | 转矩检测装置、以及具备该转矩检测装置的转向装置 |
EP2833110A1 (fr) * | 2013-08-02 | 2015-02-04 | Jtekt Corporation | Dispositif de détection de couple et système à direction assistée électrique |
CN104554427A (zh) * | 2013-08-02 | 2015-04-29 | 株式会社捷太格特 | 转矩检测装置以及电动动力转向装置 |
US9255857B2 (en) | 2013-08-02 | 2016-02-09 | Jtekt Corporation | Torque detecting device and electric power steering system |
EP3276318A1 (fr) * | 2016-07-27 | 2018-01-31 | Jtekt Corporation | Dispositif de détection de couple et servodirection |
CN107662635A (zh) * | 2016-07-27 | 2018-02-06 | 株式会社捷太格特 | 扭矩检测装置以及电动助力转向装置 |
US10683032B2 (en) | 2016-07-27 | 2020-06-16 | Jtekt Corporation | Torque detection device and electric power steering system |
CN107662635B (zh) * | 2016-07-27 | 2021-08-17 | 株式会社捷太格特 | 扭矩检测装置以及电动助力转向装置 |
CN111051836A (zh) * | 2017-09-01 | 2020-04-21 | 株式会社电装 | 转矩检测装置和磁传感器模块 |
CN110873617A (zh) * | 2018-08-29 | 2020-03-10 | 株式会社捷太格特 | 传感器装置 |
CN110873617B (zh) * | 2018-08-29 | 2024-02-13 | 株式会社捷太格特 | 传感器装置 |
US11579031B2 (en) * | 2020-01-20 | 2023-02-14 | Melexis Technologies Sa | Sensor structure for measuring torque |
Also Published As
Publication number | Publication date |
---|---|
JP5243385B2 (ja) | 2013-07-24 |
JP2011089783A (ja) | 2011-05-06 |
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