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FR2587795B1 - Capteur de deplacement lineaire inductif - Google Patents

Capteur de deplacement lineaire inductif

Info

Publication number
FR2587795B1
FR2587795B1 FR8513970A FR8513970A FR2587795B1 FR 2587795 B1 FR2587795 B1 FR 2587795B1 FR 8513970 A FR8513970 A FR 8513970A FR 8513970 A FR8513970 A FR 8513970A FR 2587795 B1 FR2587795 B1 FR 2587795B1
Authority
FR
France
Prior art keywords
displacement sensor
linear displacement
inductive linear
inductive
sensor
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.)
Expired - Fee Related
Application number
FR8513970A
Other languages
English (en)
Other versions
FR2587795A1 (fr
Inventor
Jean-Bernard Avisse
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.)
Societe Europeenne de Propulsion SEP SA
Original Assignee
Societe Europeenne de Propulsion SEP SA
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 Societe Europeenne de Propulsion SEP SA filed Critical Societe Europeenne de Propulsion SEP SA
Priority to FR8513970A priority Critical patent/FR2587795B1/fr
Priority to GB8622501A priority patent/GB2182444B/en
Priority to US06/909,306 priority patent/US4694246A/en
Publication of FR2587795A1 publication Critical patent/FR2587795A1/fr
Application granted granted Critical
Publication of FR2587795B1 publication Critical patent/FR2587795B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D5/22—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 differentially influencing two coils
    • G01D5/225—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 differentially influencing two coils by influencing the mutual induction between the two coils
    • G01D5/2258—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 differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR8513970A 1985-09-20 1985-09-20 Capteur de deplacement lineaire inductif Expired - Fee Related FR2587795B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8513970A FR2587795B1 (fr) 1985-09-20 1985-09-20 Capteur de deplacement lineaire inductif
GB8622501A GB2182444B (en) 1985-09-20 1986-09-18 Movable core transducer
US06/909,306 US4694246A (en) 1985-09-20 1986-09-19 Movable core transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8513970A FR2587795B1 (fr) 1985-09-20 1985-09-20 Capteur de deplacement lineaire inductif

Publications (2)

Publication Number Publication Date
FR2587795A1 FR2587795A1 (fr) 1987-03-27
FR2587795B1 true FR2587795B1 (fr) 1990-02-09

Family

ID=9323104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8513970A Expired - Fee Related FR2587795B1 (fr) 1985-09-20 1985-09-20 Capteur de deplacement lineaire inductif

Country Status (3)

Country Link
US (1) US4694246A (fr)
FR (1) FR2587795B1 (fr)
GB (1) GB2182444B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619904B1 (fr) * 1987-08-28 1989-12-01 Merlin Gerin Capteur de position sans contact mecanique
US5327030A (en) * 1987-11-13 1994-07-05 Analog Devices, Inc. Decoder and monolithic integrated circuit incorporating same
US5087894A (en) * 1987-11-13 1992-02-11 Analog Devices, Inc. Monolithic interface circuit for linear variable differential transformers
US4904921A (en) * 1987-11-13 1990-02-27 Analog Devices, Inc. Monolithic interface circuit for linear variable differential transformers
US4891590A (en) * 1988-06-08 1990-01-02 Unico, Inc. Linear resolver utilizing plural nulled coil sets
US5066911A (en) * 1989-04-07 1991-11-19 Sundstrand Data Control, Inc. Apparatus and method for sensing displacement using variations magnetic flux linkage
US5243278A (en) * 1991-02-08 1993-09-07 Sundstrand Corporation Differential angular velocity sensor that is sensitive in only one degree of freedom
IT1303968B1 (it) * 1998-10-26 2001-03-01 Marposs Spa Trasduttori lineari induttivi .
DE102007006005B3 (de) * 2007-02-07 2008-07-31 Volker Werner Hanser Transformator
US7317371B1 (en) * 2007-02-21 2008-01-08 Pearl Process Systems, Llc Linear variable differential transformer with complimentary step-winding secondary coils
US7656266B2 (en) * 2008-01-09 2010-02-02 Chang Kern K N Toroidal star-shaped transformer
CN104465044B (zh) * 2013-09-17 2017-12-08 精量电子（深圳）有限公司 线性可变差动传感器及其绕制方法
RU2589945C1 (ru) * 2015-03-10 2016-07-10 Открытое акционерное общество "Павловский машиностроительный завод ВОСХОД"- ОАО "ПМЗ ВОСХОД" Индукционный датчик линейных перемещений
CN105931816B (zh) * 2016-04-25 2017-12-08 安徽感航电子科技有限公司 一种高灵敏度lvdt设计方法及应用该方法的绕线工艺
US10446310B2 (en) * 2016-06-01 2019-10-15 Honeywell International Inc. Linear variable displacement transformer (LVDT) with improved linearity using extreme end booster winding
CN106767953B (zh) * 2016-11-24 2020-01-10 中国航空工业集团公司金城南京机电液压工程研究中心 一种线性可变差动变压器式传感器及绕制方法
WO2019009513A1 (fr) * 2017-07-04 2019-01-10 재단법인 대구경북과학기술원 Transformateur différentiel variable linéaire
EP3812708B1 (fr) 2019-10-21 2022-08-31 Hamilton Sundstrand Corporation Transducteur différentiel linéaire variable

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR28971E (fr) * 1924-05-02 1925-05-11 Appareil de chauffage formant poêle et chaudière
FR1058845A (fr) * 1952-02-07 1954-03-19 Appareil électrique détecteur de déplacement
US3017589A (en) * 1958-05-13 1962-01-16 Int Resistance Co Differential transformer
US3054976A (en) * 1958-11-18 1962-09-18 Schaevitz Engineering Differential transformer
US3138772A (en) * 1959-05-28 1964-06-23 Automatic Timing And Controls Symmetrical differential transformers
US3235790A (en) * 1961-09-22 1966-02-15 Collins Corp G L Movable core transducer
GB1486375A (en) * 1975-01-11 1977-09-21 Tioxide Group Ltd Transducers
FR2468877A1 (fr) * 1979-11-05 1981-05-08 Snecma Capteur de deplacement lineaire

Also Published As

Publication number Publication date
GB2182444B (en) 1989-08-16
GB8622501D0 (en) 1986-10-22
US4694246A (en) 1987-09-15
GB2182444A (en) 1987-05-13
FR2587795A1 (fr) 1987-03-27

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
TP Transmission of property
ST Notification of lapse