FR2494430A1 - Transducteur electrique lineaire a induction et a noyau mobile - Google Patents

Transducteur electrique lineaire a induction et a noyau mobile Download PDF

Info

Publication number
FR2494430A1
FR2494430A1 FR8121585A FR8121585A FR2494430A1 FR 2494430 A1 FR2494430 A1 FR 2494430A1 FR 8121585 A FR8121585 A FR 8121585A FR 8121585 A FR8121585 A FR 8121585A FR 2494430 A1 FR2494430 A1 FR 2494430A1
Authority
FR
France
Prior art keywords
coils
core
inductance
length
coil
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
FR8121585A
Other languages
English (en)
French (fr)
Other versions
FR2494430B1 (enExample
Inventor
Christopher Howard Best
Alec Harr Seilly
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2494430A1 publication Critical patent/FR2494430A1/fr
Application granted granted Critical
Publication of FR2494430B1 publication Critical patent/FR2494430B1/fr
Granted legal-status Critical Current

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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)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR8121585A 1980-11-18 1981-11-18 Transducteur electrique lineaire a induction et a noyau mobile Granted FR2494430A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8036999 1980-11-18

Publications (2)

Publication Number Publication Date
FR2494430A1 true FR2494430A1 (fr) 1982-05-21
FR2494430B1 FR2494430B1 (enExample) 1985-01-18

Family

ID=10517396

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121585A Granted FR2494430A1 (fr) 1980-11-18 1981-11-18 Transducteur electrique lineaire a induction et a noyau mobile

Country Status (2)

Country Link
US (1) US4544905A (enExample)
FR (1) FR2494430A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5061896A (en) * 1985-09-03 1991-10-29 United Technologies Corporation Variable transformer to detect linear displacement with constant output amplitude
US5604352A (en) * 1995-04-25 1997-02-18 Raychem Corporation Apparatus comprising voltage multiplication components

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB811417A (en) * 1957-07-16 1959-04-02 Gen Electric Co Ltd Improvements in or relating to liquid level indicators
GB2031587A (en) * 1978-08-05 1980-04-23 Nippon Denso Co Displacement sensor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US380945A (en) * 1888-04-10 Adjustable inductive resistance
US2149336A (en) * 1937-09-30 1939-03-07 Bell Telephone Labor Inc Inductive device
US2459210A (en) * 1944-07-21 1949-01-18 Ernest G Ashcraft Variable differential transformer
US2614164A (en) * 1947-11-12 1952-10-14 Schlumberger Well Surv Corp Mutual inductance system
US2507344A (en) * 1948-01-09 1950-05-09 Automatic Temperature Control Co Inc Differential transformer
US2568587A (en) * 1948-11-24 1951-09-18 Automatic Temperature Control Co Inc Differential transformer
US2929017A (en) * 1956-10-09 1960-03-15 John W Seaton Quadripole magnetic amplifier
US3210746A (en) * 1963-05-01 1965-10-05 Gen Electric Motion detecting transducer
CH485207A (fr) * 1967-11-30 1970-01-31 Ebauches Sa Transducteur courant-force à action linéaire
US3517362A (en) * 1968-09-11 1970-06-23 John A Mead Differential transformer flux valve
US4297698A (en) * 1977-11-02 1981-10-27 Pneumo Corporation 360 Degree linear variable phase transformer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB811417A (en) * 1957-07-16 1959-04-02 Gen Electric Co Ltd Improvements in or relating to liquid level indicators
GB2031587A (en) * 1978-08-05 1980-04-23 Nippon Denso Co Displacement sensor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MESSEN + PR]FEN/AUTOMATIK, no. 12, décembre 1973, pages 763-766, Hanz Holzman Verlag, DE. *

Also Published As

Publication number Publication date
FR2494430B1 (enExample) 1985-01-18
US4544905A (en) 1985-10-01

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