SE530319C2 - Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang - Google Patents

Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang

Info

Publication number
SE530319C2
SE530319C2 SE0502659A SE0502659A SE530319C2 SE 530319 C2 SE530319 C2 SE 530319C2 SE 0502659 A SE0502659 A SE 0502659A SE 0502659 A SE0502659 A SE 0502659A SE 530319 C2 SE530319 C2 SE 530319C2
Authority
SE
Sweden
Prior art keywords
magnetic
detector arrangement
hydraulic cylinder
arrangement according
magnetic field
Prior art date
Application number
SE0502659A
Other languages
English (en)
Swedish (sv)
Other versions
SE0502659L (sv
Inventor
Pierre Van Glabeke
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
Priority to SE0502659A priority Critical patent/SE530319C2/sv
Priority to EP06824473A priority patent/EP1969318A4/de
Priority to PCT/SE2006/001334 priority patent/WO2007064271A1/en
Publication of SE0502659L publication Critical patent/SE0502659L/xx
Publication of SE530319C2 publication Critical patent/SE530319C2/sv

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)
SE0502659A 2005-12-02 2005-12-02 Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang SE530319C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE0502659A SE530319C2 (sv) 2005-12-02 2005-12-02 Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang
EP06824473A EP1969318A4 (de) 2005-12-02 2006-11-24 Magnetdetektoranordnung
PCT/SE2006/001334 WO2007064271A1 (en) 2005-12-02 2006-11-24 Magnetic detector arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0502659A SE530319C2 (sv) 2005-12-02 2005-12-02 Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang

Publications (2)

Publication Number Publication Date
SE0502659L SE0502659L (sv) 2007-06-03
SE530319C2 true SE530319C2 (sv) 2008-04-29

Family

ID=38092505

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0502659A SE530319C2 (sv) 2005-12-02 2005-12-02 Magnetdetektorarrangemang, hydraulcylinder och fordon med sådant arrangemang

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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251762A (en) * 1979-03-16 1981-02-17 Moog Inc. Armature position detector
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
GB2389659A (en) * 2002-06-12 2003-12-17 Imi Vision Ltd A position measuring system

Also Published As

Publication number Publication date
EP1969318A1 (de) 2008-09-17
SE0502659L (sv) 2007-06-03
WO2007064271A1 (en) 2007-06-07
EP1969318A4 (de) 2010-10-06

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