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GB2068124B - Conditioning unit for use with linear variable differential transformers - Google Patents

Conditioning unit for use with linear variable differential transformers

Info

Publication number
GB2068124B
GB2068124B GB8002712A GB8002712A GB2068124B GB 2068124 B GB2068124 B GB 2068124B GB 8002712 A GB8002712 A GB 8002712A GB 8002712 A GB8002712 A GB 8002712A GB 2068124 B GB2068124 B GB 2068124B
Authority
GB
United Kingdom
Prior art keywords
conditioning unit
linear variable
variable differential
differential transformers
transformers
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
Application number
GB8002712A
Other versions
GB2068124A (en
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.)
Fisher K W J
Original Assignee
Fisher K W J
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 Fisher K W J filed Critical Fisher K W J
Priority to GB8002712A priority Critical patent/GB2068124B/en
Publication of GB2068124A publication Critical patent/GB2068124A/en
Application granted granted Critical
Publication of GB2068124B publication Critical patent/GB2068124B/en
Expired 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
    • G01D5/2208—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 self-induction of the coils
    • G01D5/2216—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 self-induction of the coils by a movable ferromagnetic element, e.g. a core
    • 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
    • G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Position Or Direction (AREA)
GB8002712A 1980-01-26 1980-01-26 Conditioning unit for use with linear variable differential transformers Expired GB2068124B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8002712A GB2068124B (en) 1980-01-26 1980-01-26 Conditioning unit for use with linear variable differential transformers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8002712A GB2068124B (en) 1980-01-26 1980-01-26 Conditioning unit for use with linear variable differential transformers

Publications (2)

Publication Number Publication Date
GB2068124A GB2068124A (en) 1981-08-05
GB2068124B true GB2068124B (en) 1983-12-14

Family

ID=10510924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8002712A Expired GB2068124B (en) 1980-01-26 1980-01-26 Conditioning unit for use with linear variable differential transformers

Country Status (1)

Country Link
GB (1) GB2068124B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644698A5 (en) * 1981-09-04 1984-08-15 Sentec Sa METHOD FOR MEASURING THE INSTANTANEOUS SPEED OF A MOBILE AND APPLICATION OF THIS METHOD FOR MEASURING THE INSTANTANEOUS VARIATION IN THE SPEED OF THIS MOBILE.
US4514689A (en) * 1982-12-27 1985-04-30 Varian Associates, Inc. High resolution position sensing apparatus with linear variable differential transformers having phase-shifted energizing signals
US4916391A (en) * 1984-11-15 1990-04-10 Doerman Eryk S LVDT displacement sensor with signal noise reduction for use in weighing apparatus
GB8428976D0 (en) * 1984-11-16 1984-12-27 Gersan Anstalt Weighing number of objects in succession
GB2178855B (en) * 1984-11-16 1989-04-19 Gersan Anstalt Sensing displacement using a linear variable differential transformer
FR2633126B1 (en) * 1988-06-17 1993-11-26 Aerospatiale Ste Nationale Indle METHOD AND SYSTEM FOR EXPLOITING SIGNALS FROM LINEAR INDUCTIVE MOVEMENT SENSORS
FR2671878B1 (en) * 1991-01-23 1994-11-18 Sextant Avionique SYNCHRONOUS DETECTOR WITH ANALOGUE DOOR.
US7138794B1 (en) 2000-03-10 2006-11-21 General Electric Company Detection of faults in linear and rotary voltage transducers
ITBO20010269A1 (en) * 2001-05-07 2002-11-07 Marposs Spa CONDITIONING DEVICE FOR ANALOG TRANSDUCER
SE522145C2 (en) * 2002-05-07 2004-01-20 Volvo Lastvagnar Ab Method and apparatus for diagnosis of inductive type detector
EP1780514A1 (en) * 2005-10-26 2007-05-02 Bosch Rexroth Aktiengesellschaft Measuring device and drive controller
CN104019833B (en) * 2014-06-13 2016-06-08 四川亚美动力技术有限公司 Engine oil needle position sensor detection circuit
CN114136345B (en) * 2021-11-26 2024-09-03 南京晨光集团有限责任公司 LVDT/RVDT analog demodulation circuit

Also Published As

Publication number Publication date
GB2068124A (en) 1981-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee