EP1969318A4 - Magnetdetektoranordnung - Google Patents

Magnetdetektoranordnung

Info

Publication number
EP1969318A4
EP1969318A4 EP06824473A EP06824473A EP1969318A4 EP 1969318 A4 EP1969318 A4 EP 1969318A4 EP 06824473 A EP06824473 A EP 06824473A EP 06824473 A EP06824473 A EP 06824473A EP 1969318 A4 EP1969318 A4 EP 1969318A4
Authority
EP
European Patent Office
Prior art keywords
detector arrangement
magnetic detector
magnetic
arrangement
detector
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.)
Withdrawn
Application number
EP06824473A
Other languages
English (en)
French (fr)
Other versions
EP1969318A1 (de
Inventor
Glabeke Pierre Van
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.)
Volvo Truck Corp
Original Assignee
Volvo Lastvagnar AB
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 Volvo Lastvagnar AB filed Critical Volvo Lastvagnar AB
Publication of EP1969318A1 publication Critical patent/EP1969318A1/de
Publication of EP1969318A4 publication Critical patent/EP1969318A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • 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
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • 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
    • 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
    • G01D5/142—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 using Hall-effect devices
    • G01D5/145—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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
EP06824473A 2005-12-02 2006-11-24 Magnetdetektoranordnung Withdrawn EP1969318A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0502659A SE530319C2 (sv) 2005-12-02 2005-12-02 Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang
PCT/SE2006/001334 WO2007064271A1 (en) 2005-12-02 2006-11-24 Magnetic detector arrangement

Publications (2)

Publication Number Publication Date
EP1969318A1 EP1969318A1 (de) 2008-09-17
EP1969318A4 true EP1969318A4 (de) 2010-10-06

Family

ID=38092505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06824473A Withdrawn EP1969318A4 (de) 2005-12-02 2006-11-24 Magnetdetektoranordnung

Country Status (3)

Country Link
EP (1) EP1969318A4 (de)
SE (1) SE530319C2 (de)
WO (1) WO2007064271A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0812903D0 (en) * 2008-07-15 2008-08-20 Rota Eng Ltd Linear actuator and position sensing apparatus therefor
EP2696219B1 (de) 2012-08-06 2017-01-04 Ampass-Explorer Corp. Vorsatzeinrichtung zur Verbesserung der Empfangsqualität einer Material-Detektoreinrichtung
JP6779645B2 (ja) * 2016-03-30 2020-11-04 Ntn株式会社 電動アクチュエータ
CN113289700B (zh) * 2021-05-14 2022-04-29 北京航空航天大学 疏密梯度微结构、疏密梯度微结构的制备方法及磁控开关

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044461A (en) * 1979-03-16 1980-10-15 Moog Inc Armature position detector
GB2389659A (en) * 2002-06-12 2003-12-17 Imi Vision Ltd A position measuring system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8901770U1 (de) * 1989-02-15 1990-07-26 Schaltbau Gmbh, 8000 Muenchen, De
JPH04169881A (ja) * 1990-11-02 1992-06-17 Fujitsu Ten Ltd 磁気センサの磁気シールド構造
JPH07260745A (ja) * 1994-03-22 1995-10-13 Tokyo Gas Co Ltd 磁気センサの磁気シールド構造
DE19956313A1 (de) * 1999-11-12 2001-05-23 Atecs Mannesmann Ag Magnetfeldsensor zur Ermittlung der Position eines beweglichen Objekts
US6720764B2 (en) * 2002-04-16 2004-04-13 Thomas Energy Services Inc. Magnetic sensor system useful for detecting tool joints in a downhold tubing string

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044461A (en) * 1979-03-16 1980-10-15 Moog Inc Armature position detector
GB2389659A (en) * 2002-06-12 2003-12-17 Imi Vision Ltd A position measuring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007064271A1 *

Also Published As

Publication number Publication date
EP1969318A1 (de) 2008-09-17
SE0502659L (sv) 2007-06-03
SE530319C2 (sv) 2008-04-29
WO2007064271A1 (en) 2007-06-07

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Legal Events

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