KR880013000A - 가변 투자율 토오크센서 - Google Patents

가변 투자율 토오크센서 Download PDF

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Publication number
KR880013000A
KR880013000A KR1019880003782A KR880003782A KR880013000A KR 880013000 A KR880013000 A KR 880013000A KR 1019880003782 A KR1019880003782 A KR 1019880003782A KR 880003782 A KR880003782 A KR 880003782A KR 880013000 A KR880013000 A KR 880013000A
Authority
KR
South Korea
Prior art keywords
deformation
torque
variable permeability
torque sensor
primary
Prior art date
Application number
KR1019880003782A
Other languages
English (en)
Inventor
탈스 이즈레일
페이긴 일리아
마더 윌리엄
Original Assignee
엠.제이.덴턴
제너럴 모터즈 코오포레이션
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
Application filed by 엠.제이.덴턴, 제너럴 모터즈 코오포레이션 filed Critical 엠.제이.덴턴
Publication of KR880013000A publication Critical patent/KR880013000A/ko

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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
    • G01L5/12—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring axial thrust in a rotary shaft, e.g. of propulsion plants
    • 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
    • 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
    • G01L3/105—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 inductive means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Power Steering Mechanism (AREA)

Abstract

내용 없음

Description

가변 투자율 토오크센서
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 자동차 조향시스템의 회전축에 응용된 본 발명의 토오크센서의 단면도, 제 2 도는 본 발명의 토오크센서의 입력 및 출력지지판 및 자기회로의 분해사시도, 제 3,4 도는 제 1 도의 3-3 및 4-4선 종단면도.

Claims (4)

  1. 회전축(12,14,16)의 주위에 설치ㆍ고정되며, 내부 주연내의 공간(86,88)내에 1차권선(90,94) 및 2차권선(92,96)이 장설되어 있으며, 공기간격(air gap)을 사이에 두고 내부에 편향가능요소(38-44)가 설치된 하나의 환형자기회로(annular magnetic circuit)(30,32)에 의해 특징지워지는, 회전축의 변형에 감응적인 가변투자율 토오크센서(variable permeability torque sensor). 다만 상기 편향가능요소는, 상기 자기회로의 내부 주연부에 관하여 편향되어(휘어져서) 회전축의 변형에 관련하여 공기간격의 평균 칫수를 변화시키고 1차권선이 교류 전류에 의해 여기 되었을때 2차 권선내에 유도된 전압이 변형을 가져온 토오크의 표시를 제공하도록, 회전축의 변형에 관련하여 상대적인 회전을 받는 한쌍의 지지수단(46-60)에 의해 세로로 변위된 지점들에서 지지된다.
  2. 1항에 있어서, 지지수단(46-60)은 회전축(12,14,16)상에 있는 세로로 변위된 지점에 고정되며, 상기 회전축은 토오크가 유도한 회전축의 변형때문에 지지수단에 의해 받는 상대적인 회전을 증대시키기 위하여 이들 지점사이에 연결된 비틀림봉(16)을 포함함을 특징으로 하는 가변투자율 토오크센서.
  3. 제 1항 또는 2항에 있어서, 교류 전류로써 1차권선(90,94)을 여기시키고 2차권선(92,96)내에 유도된 전압을 복조(demo dulate)시켜 변형을 만든 토오크에 관련하여 변환하는 출력신호를 내는 회로(110)을 포함함을 특징으로 하는 가변투자율 토오크센서.
  4. 제 1항에서 3항의 어느항에 있어서, 본질적으로 1차 자기회로와 동일한 2차 환형자기회로(30,32)를 포함하며, 이에 의해 1차권선(90,94)가 교류 전류에 의해 여기 되었을때 2차권선(92,96)내에 유도된 정전압(net voltage)이 변형을 가져온 토오크의 표시를 제공함을 특징으로 하는 가변투자율 토오크센서.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880003782A 1987-04-06 1988-04-04 가변 투자율 토오크센서 KR880013000A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US034,535 1987-04-06
US07/034,535 US4796463A (en) 1987-04-06 1987-04-06 Variable permeability steering torque sensor

Publications (1)

Publication Number Publication Date
KR880013000A true KR880013000A (ko) 1988-11-29

Family

ID=21877018

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880003782A KR880013000A (ko) 1987-04-06 1988-04-04 가변 투자율 토오크센서

Country Status (5)

Country Link
US (1) US4796463A (ko)
EP (1) EP0286223A3 (ko)
JP (1) JPS63262536A (ko)
KR (1) KR880013000A (ko)
BR (1) BR8801491A (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996890A (en) * 1988-10-07 1991-03-05 Koyo Seiko Co. Ltd. Torque sensor
JPH0747713Y2 (ja) * 1989-09-19 1995-11-01 光洋精工株式会社 トルクセンサ
US5046371A (en) * 1990-01-08 1991-09-10 Kronberg James W In-line rotating capacitive torque sensor
US5182953A (en) * 1990-07-13 1993-02-02 Simmonds Precision Products, Inc. Method and apparatus for shaft torque measurement with temperature compensation
DE19747638C1 (de) * 1997-10-29 1999-07-01 Zahnradfabrik Friedrichshafen Elektrisch unterstützte Hilfskraftlenkung für Kraftfahrzeuge
JP2000055752A (ja) * 1998-08-03 2000-02-25 Kayaba Ind Co Ltd トルク検出装置
KR100397711B1 (ko) * 2000-04-06 2003-09-13 주식회사 만도 차량용 토크감지장치
US6701792B2 (en) * 2001-08-27 2004-03-09 Visteon Global Technologies, Inc. Torque sensing apparatus for measuring relative torque between two shafts
US8776619B2 (en) 2011-11-18 2014-07-15 Bourns, Inc. Small angle sensor for measuring steering shaft torque
WO2016129572A1 (ja) * 2015-02-10 2016-08-18 日本精工株式会社 トルクセンサ及びそれを搭載した電動パワーステアリング装置
US9689764B1 (en) * 2015-12-07 2017-06-27 Roopnarine Flexure-based system for measuring torque on a shaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737049A (en) * 1954-02-03 1956-03-06 Charles C Waugh Torquemeter
US2826064A (en) * 1954-02-18 1958-03-11 Bendix Aviat Corp Transmission torque sensor
US4616512A (en) * 1984-11-23 1986-10-14 S. Himmelstein And Company Torquemeter

Also Published As

Publication number Publication date
EP0286223A3 (en) 1990-02-07
US4796463A (en) 1989-01-10
JPS63262536A (ja) 1988-10-28
BR8801491A (pt) 1988-11-08
EP0286223A2 (en) 1988-10-12

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