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WO2008105541A1 - トルク検出器及び電動パワーステアリング装置、クローポールの製造方法及びトルク検出器の製造方法 - Google Patents

トルク検出器及び電動パワーステアリング装置、クローポールの製造方法及びトルク検出器の製造方法 Download PDF

Info

Publication number
WO2008105541A1
WO2008105541A1 PCT/JP2008/053694 JP2008053694W WO2008105541A1 WO 2008105541 A1 WO2008105541 A1 WO 2008105541A1 JP 2008053694 W JP2008053694 W JP 2008053694W WO 2008105541 A1 WO2008105541 A1 WO 2008105541A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
torque sensor
yoke
producing
permanent magnet
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.)
Ceased
Application number
PCT/JP2008/053694
Other languages
English (en)
French (fr)
Inventor
Atsuyoshi Asaka
Ikunori Sakatani
Takayuki Kobayashi
Shigeya Tanimoto
Toshiyuki Onizuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007051643A external-priority patent/JP2008215942A/ja
Priority claimed from JP2007056914A external-priority patent/JP5041139B2/ja
Priority claimed from JP2007184711A external-priority patent/JP2009020064A/ja
Priority claimed from JP2007208638A external-priority patent/JP2009042122A/ja
Priority claimed from JP2007303315A external-priority patent/JP2009128181A/ja
Priority claimed from JP2008009274A external-priority patent/JP2009168727A/ja
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of WO2008105541A1 publication Critical patent/WO2008105541A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Power Steering Mechanism (AREA)

Abstract

  小型化させ得るとともに材料効率を飛躍的に向上させることができるトルク検出器及び電動パワーステアリング装置を提案する。   連結軸を介して同軸に連結された第１及び第２の軸と、第２の軸に固定され、周方向に沿って多極着磁されたリング状の永久磁石と、第１の軸に固定され、永久磁石と共に磁気回路を形成するセンサヨークと、センサヨークを基準として永久磁石の軸方向反対側に配置され、永久磁石及びセンサヨークと共に磁気回路を形成する集磁ヨークと、センサヨーク及び集磁ヨークが誘導した磁束を検出する磁束検出器とを有し、第１の軸及び第２の軸のうちのいずれか一方に加えられたトルクを磁束検出器の出力に基づいて検出するトルク検出器であって、センサヨークを、同一又は略同一平面上に配置され、少なくとも一部が互いに分離して形成された複数のクローポールから構成するようにした。                                                                          
PCT/JP2008/053694 2007-03-01 2008-02-29 トルク検出器及び電動パワーステアリング装置、クローポールの製造方法及びトルク検出器の製造方法 Ceased WO2008105541A1 (ja)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP2007-051643 2007-03-01
JP2007051643A JP2008215942A (ja) 2007-03-01 2007-03-01 トルクセンサ及び電動式パワーステアリング装置
JP2007056914A JP5041139B2 (ja) 2007-03-07 2007-03-07 トルクセンサ及び電動式パワーステアリング装置
JP2007-056914 2007-03-07
JP2007-184711 2007-07-13
JP2007184711A JP2009020064A (ja) 2007-07-13 2007-07-13 トルク検出器及び電動パワーステアリング装置
JP2007208638A JP2009042122A (ja) 2007-08-09 2007-08-09 トルク検出器及び電動パワーステアリング装置
JP2007-208638 2007-08-09
JP2007-303315 2007-11-22
JP2007303315A JP2009128181A (ja) 2007-11-22 2007-11-22 トルク検出器、電動パワーステアリング装置及びクローポールの製造方法
JP2008009274A JP2009168727A (ja) 2008-01-18 2008-01-18 トルク検出器、その製造方法および電動パワーステアリング装置
JP2008-009274 2008-01-18

Publications (1)

Publication Number Publication Date
WO2008105541A1 true WO2008105541A1 (ja) 2008-09-04

Family

ID=39721363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053694 Ceased WO2008105541A1 (ja) 2007-03-01 2008-02-29 トルク検出器及び電動パワーステアリング装置、クローポールの製造方法及びトルク検出器の製造方法

Country Status (1)

Country Link
WO (1) WO2008105541A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196607A (zh) * 2012-01-10 2013-07-10 罗伯特·博世有限公司 传感器装置
EP2516241A4 (en) * 2010-03-30 2017-09-27 LG Innotek Co., Ltd. Apparatus for detecting torque and steering system having the same
WO2018180533A1 (ja) * 2017-03-31 2018-10-04 株式会社デンソー トルクセンサ
EP4421466A4 (en) * 2021-10-22 2025-01-08 Denso Corporation Torque detection system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004020527A (ja) * 2002-06-20 2004-01-22 Nippon Soken Inc トルクセンサ
JP2004309463A (ja) * 2003-04-04 2004-11-04 Valeo Schalter & Sensoren Gmbh シャフトに加えられるトルクを測定する装置
JP2006064577A (ja) * 2004-08-27 2006-03-09 Jtekt Corp トルク検出装置
WO2007003468A1 (de) * 2005-07-04 2007-01-11 Robert Bosch Gmbh Sensoranordnung zur erfassung eines differenzwinkels

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004020527A (ja) * 2002-06-20 2004-01-22 Nippon Soken Inc トルクセンサ
JP2004309463A (ja) * 2003-04-04 2004-11-04 Valeo Schalter & Sensoren Gmbh シャフトに加えられるトルクを測定する装置
JP2006064577A (ja) * 2004-08-27 2006-03-09 Jtekt Corp トルク検出装置
WO2007003468A1 (de) * 2005-07-04 2007-01-11 Robert Bosch Gmbh Sensoranordnung zur erfassung eines differenzwinkels

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2516241A4 (en) * 2010-03-30 2017-09-27 LG Innotek Co., Ltd. Apparatus for detecting torque and steering system having the same
CN103196607A (zh) * 2012-01-10 2013-07-10 罗伯特·博世有限公司 传感器装置
WO2018180533A1 (ja) * 2017-03-31 2018-10-04 株式会社デンソー トルクセンサ
JP2018173294A (ja) * 2017-03-31 2018-11-08 株式会社デンソー トルクセンサ
CN110402376A (zh) * 2017-03-31 2019-11-01 株式会社电装 转矩传感器
CN110402376B (zh) * 2017-03-31 2021-02-23 株式会社电装 转矩传感器
US11092502B2 (en) 2017-03-31 2021-08-17 Denso Corporation Torque sensor
EP4421466A4 (en) * 2021-10-22 2025-01-08 Denso Corporation Torque detection system

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