JPS57144419A - Operation detector - Google Patents

Operation detector

Info

Publication number
JPS57144419A
JPS57144419A JP3036981A JP3036981A JPS57144419A JP S57144419 A JPS57144419 A JP S57144419A JP 3036981 A JP3036981 A JP 3036981A JP 3036981 A JP3036981 A JP 3036981A JP S57144419 A JPS57144419 A JP S57144419A
Authority
JP
Japan
Prior art keywords
detected
particles
binder
dislodging
circumferential surface
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.)
Granted
Application number
JP3036981A
Other languages
Japanese (ja)
Other versions
JPH0363002B2 (en
Inventor
Kimio Kato
Hiroya Kono
Hisao Kobayashi
Takamitsu Mukai
Shigeaki Takahashi
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.)
Toyota Industries Corp
Original Assignee
Toyoda Jidoshokki Seisakusho KK
Toyoda Automatic Loom Works 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
Application filed by Toyoda Jidoshokki Seisakusho KK, Toyoda Automatic Loom Works Ltd filed Critical Toyoda Jidoshokki Seisakusho KK
Priority to JP3036981A priority Critical patent/JPS57144419A/en
Publication of JPS57144419A publication Critical patent/JPS57144419A/en
Publication of JPH0363002B2 publication Critical patent/JPH0363002B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

PURPOSE:To prevent dislodging of a part to be detected owing to the difference of coefficients of thermal expansion by mixing a granular magnetic material with a binder, casting the mixture into the hollow hole part of a member of a nonmagnetic material which performs periodic movement, setting said material and using this as the part to be detected. CONSTITUTION:A part 3 to be detected is buried on the outside circumferential surface of a rotating member 1. The part 3 is formed by packing and setting magnetic material particles 6 mixed with a binder 5 in a recessed part 4 pierced on the outside circumferential surface of the member 1. However, a bulging part is formed on the side face of the part 4 in order to prevent the dislodging of the part 3 surely despite the occurrence of peeling between the part to be detected and the inside circumferential wall of the part 4. An electromagnetic sensor 7 is mounted to a fixing member 8 in such a way as to face a part of the locus of the periodic movement of the part 3. It is possible to detect temp. if particles of tem. sensitive ferrite are used for the particles 6.
JP3036981A 1981-03-03 1981-03-03 Operation detector Granted JPS57144419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3036981A JPS57144419A (en) 1981-03-03 1981-03-03 Operation detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3036981A JPS57144419A (en) 1981-03-03 1981-03-03 Operation detector

Publications (2)

Publication Number Publication Date
JPS57144419A true JPS57144419A (en) 1982-09-07
JPH0363002B2 JPH0363002B2 (en) 1991-09-27

Family

ID=12301948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3036981A Granted JPS57144419A (en) 1981-03-03 1981-03-03 Operation detector

Country Status (1)

Country Link
JP (1) JPS57144419A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176959U (en) * 1983-05-12 1984-11-27 株式会社ボッシュオートモーティブ　システム Compressor abnormality detection device
JPS6194769U (en) * 1984-11-26 1986-06-18
JPS61195407U (en) * 1985-05-28 1986-12-05
JPH0192527A (en) * 1987-12-28 1989-04-11 Isuzu Motors Ltd Turbocharger provided with electric rotary machine
FR2630541A1 (en) * 1988-04-22 1989-10-27 Mecanique Magnetique Sa Inductive sensor for radial magnetic bearing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865244U (en) * 1971-10-20 1973-08-18
JPS4990161A (en) * 1972-12-27 1974-08-28
JPS53119973U (en) * 1977-02-28 1978-09-25
JPS5476778U (en) * 1977-11-10 1979-05-31

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865244U (en) * 1971-10-20 1973-08-18
JPS4990161A (en) * 1972-12-27 1974-08-28
JPS53119973U (en) * 1977-02-28 1978-09-25
JPS5476778U (en) * 1977-11-10 1979-05-31

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176959U (en) * 1983-05-12 1984-11-27 株式会社ボッシュオートモーティブ　システム Compressor abnormality detection device
JPS6194769U (en) * 1984-11-26 1986-06-18
JPS61195407U (en) * 1985-05-28 1986-12-05
JPH0511445Y2 (en) * 1985-05-28 1993-03-22
JPH0192527A (en) * 1987-12-28 1989-04-11 Isuzu Motors Ltd Turbocharger provided with electric rotary machine
FR2630541A1 (en) * 1988-04-22 1989-10-27 Mecanique Magnetique Sa Inductive sensor for radial magnetic bearing

Also Published As

Publication number Publication date
JPH0363002B2 (en) 1991-09-27

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