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AU6920998A - Device for detecting the position of a moveable magnet to produce a magnetic field - Google Patents

Device for detecting the position of a moveable magnet to produce a magnetic field

Info

Publication number
AU6920998A
AU6920998A AU69209/98A AU6920998A AU6920998A AU 6920998 A AU6920998 A AU 6920998A AU 69209/98 A AU69209/98 A AU 69209/98A AU 6920998 A AU6920998 A AU 6920998A AU 6920998 A AU6920998 A AU 6920998A
Authority
AU
Australia
Prior art keywords
detecting
produce
magnetic field
moveable magnet
moveable
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.)
Abandoned
Application number
AU69209/98A
Inventor
Caroline Schaeuble
Thomas Schneider
Roland Seefried
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.)
Pepperl and Fuchs SE
Original Assignee
Pepperl and Fuchs SE
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 DE19711781A external-priority patent/DE19711781C2/en
Application filed by Pepperl and Fuchs SE filed Critical Pepperl and Fuchs SE
Publication of AU6920998A publication Critical patent/AU6920998A/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20Other details, e.g. assembly with regulating devices
    • F15B15/28Means for indicating the position, e.g. end of stroke
    • F15B15/2815Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Actuator (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
AU69209/98A 1997-03-12 1998-03-12 Device for detecting the position of a moveable magnet to produce a magnetic field Abandoned AU6920998A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19710136 1997-03-12
DE19710136 1997-03-12
DE19711781 1997-03-21
DE19711781A DE19711781C2 (en) 1997-03-12 1997-03-21 Device for detecting the position of a movably arranged magnet for generating a magnetic field through a wall made of ferromagnetic material, in particular an actuator with a movable actuator
EP9801339 1998-03-07
PCT/EP1998/001410 WO1998040699A1 (en) 1997-03-12 1998-03-12 Device for detecting the position of a moveable magnet to produce a magnetic field

Publications (1)

Publication Number Publication Date
AU6920998A true AU6920998A (en) 1998-09-29

Family

ID=27217204

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69209/98A Abandoned AU6920998A (en) 1997-03-12 1998-03-12 Device for detecting the position of a moveable magnet to produce a magnetic field

Country Status (5)

Country Link
EP (1) EP0966653B1 (en)
JP (1) JP3215443B2 (en)
AU (1) AU6920998A (en)
CA (1) CA2283209C (en)
WO (1) WO1998040699A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095248A (en) * 1998-11-03 2000-08-01 Halliburton Energy Services, Inc. Method and apparatus for remote control of a tubing exit sleeve
JP2007093518A (en) * 2005-09-30 2007-04-12 Marktec Corp Wall thickness measuring instrument
JP5483516B2 (en) * 2006-09-20 2014-05-07 旭化成エレクトロニクス株式会社 POSITION DETECTION DEVICE, OPTICAL SYSTEM HAVING POSITION DETECTION DEVICE, AND IMAGING DEVICE
DE102007004104A1 (en) * 2007-01-26 2008-07-31 Ksb Aktiengesellschaft Position detector for a part moved in a pipe
GB0812903D0 (en) 2008-07-15 2008-08-20 Rota Eng Ltd Linear actuator and position sensing apparatus therefor
US9217448B2 (en) 2012-09-26 2015-12-22 Komatsu Ltd. Cylinder position measuring device and cylinder position measuring method
CN106441064B (en) * 2016-11-02 2020-01-31 广东百合医疗科技股份有限公司 method and equipment for measuring displacement by magnetic seam
JP7061437B2 (en) * 2017-08-09 2022-04-28 株式会社小松製作所 Hydraulic cylinder
CN112161560B (en) * 2020-10-26 2022-04-05 长江水利委员会长江科学院 Displacement sensing device and method based on permanent magnet flux measurement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63122902A (en) * 1986-11-13 1988-05-26 Ckd Controls Ltd Apparatus for confirming position of moving body
DE8901770U1 (en) * 1989-02-15 1990-07-26 Schaltbau GmbH, 8000 München Actuator

Also Published As

Publication number Publication date
JP2001507456A (en) 2001-06-05
JP3215443B2 (en) 2001-10-09
EP0966653B1 (en) 2003-05-14
EP0966653A1 (en) 1999-12-29
CA2283209A1 (en) 1998-09-17
WO1998040699A1 (en) 1998-09-17
CA2283209C (en) 2005-04-19

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