GB2299675B - Device for detecting the displacement of valve stem movement in an electropneumatic positioner - Google Patents

Device for detecting the displacement of valve stem movement in an electropneumatic positioner

Info

Publication number
GB2299675B
GB2299675B GB9608448A GB9608448A GB2299675B GB 2299675 B GB2299675 B GB 2299675B GB 9608448 A GB9608448 A GB 9608448A GB 9608448 A GB9608448 A GB 9608448A GB 2299675 B GB2299675 B GB 2299675B
Authority
GB
United Kingdom
Prior art keywords
displacement
detecting
valve stem
stem movement
electropneumatic positioner
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
GB9608448A
Other versions
GB2299675A (en
GB9608448D0 (en
Inventor
Thomas Karte
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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
Priority claimed from DE4239635A external-priority patent/DE4239635C2/en
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of GB9608448D0 publication Critical patent/GB9608448D0/en
Publication of GB2299675A publication Critical patent/GB2299675A/en
Application granted granted Critical
Publication of GB2299675B publication Critical patent/GB2299675B/en
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
    • G01D5/2006—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
    • G01D5/202—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 movable a non-ferromagnetic conductive element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles
    • G01D2205/775—Tapered profiles
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles
    • G01D2205/777—Whorl-shaped profiles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
GB9608448A 1992-11-23 1993-11-18 Device for detecting the displacement of valve stem movement in an electropneumatic positioner Expired - Fee Related GB2299675B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4239635A DE4239635C2 (en) 1992-11-23 1992-11-23 Device for measuring the travel of valve rod movements of electropneumatic positioners
GB9323778A GB2272771B (en) 1992-11-23 1993-11-18 Method for detecting the displacement of valve stem movement in an electropneumatic positioner

Publications (3)

Publication Number Publication Date
GB9608448D0 GB9608448D0 (en) 1996-06-26
GB2299675A GB2299675A (en) 1996-10-09
GB2299675B true GB2299675B (en) 1997-01-15

Family

ID=25920726

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9608448A Expired - Fee Related GB2299675B (en) 1992-11-23 1993-11-18 Device for detecting the displacement of valve stem movement in an electropneumatic positioner
GB9608463A Expired - Fee Related GB2299676B (en) 1992-11-23 1993-11-18 Device for detecting the displacement of valve stem movement in an electropneumatic positioner

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9608463A Expired - Fee Related GB2299676B (en) 1992-11-23 1993-11-18 Device for detecting the displacement of valve stem movement in an electropneumatic positioner

Country Status (1)

Country Link
GB (2) GB2299675B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1295878B1 (en) 1997-10-24 1999-05-28 Abb Kent Taylor Spa DEVICE FOR RELATIVE MEASUREMENT OF ANGLES, ESPECIALLY FOR REGULATING AND ROTARY VALVE STEMS
GB2367622A (en) * 2000-10-05 2002-04-10 Transense Technologies Plc Position sensor utilising the changing radiating characteristic of an antenna
CN103512480A (en) * 2012-06-26 2014-01-15 广西玉柴机器股份有限公司 Displacement measuring device for supercharger bypass valve push rod
CN106123759B (en) * 2016-08-29 2018-09-04 郑州春泉节能股份有限公司 Electrically operated valve stroke detection implementation method based on electrically operated valve stroke detection system
CN106839966A (en) * 2017-03-20 2017-06-13 中国恩菲工程技术有限公司 For the furnace expansion displacement detection system of metallurgical industrial furnace
CN112594061A (en) * 2020-11-27 2021-04-02 沪东重机有限公司 Method for monitoring position of exhaust valve of marine low-speed engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045785A (en) * 1990-03-05 1991-09-03 Borg-Warner Automotive, Inc. Linear position sensor with movable tapered element

Also Published As

Publication number Publication date
GB2299675A (en) 1996-10-09
GB9608448D0 (en) 1996-06-26
GB9608463D0 (en) 1996-06-26
GB2299676A (en) 1996-10-09
GB2299676B (en) 1997-01-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20081118