DE3680839D1 - Vorrichtung zur messung von verschiebungen. - Google Patents

Vorrichtung zur messung von verschiebungen.

Info

Publication number
DE3680839D1
DE3680839D1 DE8686104604T DE3680839T DE3680839D1 DE 3680839 D1 DE3680839 D1 DE 3680839D1 DE 8686104604 T DE8686104604 T DE 8686104604T DE 3680839 T DE3680839 T DE 3680839T DE 3680839 D1 DE3680839 D1 DE 3680839D1
Authority
DE
Germany
Prior art keywords
shifting
measuring
measuring shifting
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 - Lifetime
Application number
DE8686104604T
Other languages
English (en)
Inventor
Yasuo Saito
Koichi Simizu
Yuji Seki
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.)
Marelli Corp
Original Assignee
Kanto Seiki Co Ltd
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 JP7176685A external-priority patent/JPS61230030A/ja
Priority claimed from JP5738985U external-priority patent/JPH0240501Y2/ja
Priority claimed from JP14996385U external-priority patent/JPH0240503Y2/ja
Application filed by Kanto Seiki Co Ltd filed Critical Kanto Seiki Co Ltd
Application granted granted Critical
Publication of DE3680839D1 publication Critical patent/DE3680839D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01D5/225—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 mutual induction between the two coils
    • G01D5/2275—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 mutual induction between the two coils by a movable non-ferromagnetic conductive element
    • G01D5/2283—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 mutual induction between the two coils by a movable non-ferromagnetic conductive element constituting a short-circuiting element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/05—Liquid levels with magnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Level Indicators Using A Float (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE8686104604T 1985-04-04 1986-04-04 Vorrichtung zur messung von verschiebungen. Expired - Lifetime DE3680839D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7176685A JPS61230030A (ja) 1985-04-04 1985-04-04 液面検出装置
JP5738985U JPH0240501Y2 (de) 1985-04-19 1985-04-19
JP14996385U JPH0240503Y2 (de) 1985-10-02 1985-10-02

Publications (1)

Publication Number Publication Date
DE3680839D1 true DE3680839D1 (de) 1991-09-19

Family

ID=27296243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686104604T Expired - Lifetime DE3680839D1 (de) 1985-04-04 1986-04-04 Vorrichtung zur messung von verschiebungen.

Country Status (3)

Country Link
US (2) US4723446A (de)
EP (1) EP0211142B1 (de)
DE (1) DE3680839D1 (de)

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US4723446A (en) * 1985-04-04 1988-02-09 Kanto Seiki Co., Ltd. Device for measuring displacement
US5061896A (en) * 1985-09-03 1991-10-29 United Technologies Corporation Variable transformer to detect linear displacement with constant output amplitude
DE3533838A1 (de) * 1985-09-23 1987-04-02 Bosch Gmbh Robert Vorrichtung zur messung und umsetzung physikalischer in elektrische groessen
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DE3824534A1 (de) * 1988-07-20 1990-01-25 Bosch Gmbh Robert Messeinrichtung zur beruehrungslosen bestimmung einer weg- und/oder winkelaenderung
FR2640749B1 (fr) * 1988-12-20 1991-04-12 Jaeger Dispositif de mesure du niveau de liquide contenu dans un reservoir de hauteur importante
US5036275A (en) * 1989-01-11 1991-07-30 Nartron Corporation Inductive coupling position sensor method and apparatus having primary and secondary windings parallel to each other
US5811967A (en) * 1989-01-11 1998-09-22 Nartron Corporation EGR valve linear position sensor having variable coupling transformer
US5619133A (en) * 1989-01-11 1997-04-08 Nartron Corporation Single coil position and movement sensor having enhanced dynamic range
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US4987389A (en) * 1990-04-02 1991-01-22 Borg-Warner Automotive, Inc. Lockproof low level oscillator using digital components
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US5054319A (en) * 1990-09-12 1991-10-08 Fling John J Liquid level sensor and method
KR100206672B1 (ko) * 1991-01-04 1999-07-01 피터 존 하이드 원격 판독형 데이타 저장소자 및 저장장치
US5150615A (en) * 1991-01-18 1992-09-29 Nartron Corporation Liquid level sensor
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US5420413A (en) * 1992-12-31 1995-05-30 United Technologies Corporation Actuator with an optical position sensor using a variable magnetic field
DE4301239A1 (de) * 1993-01-19 1994-07-21 Bosch Gmbh Robert Einrichtung zur berührungsfreien Bestimmung einer Lage eines Bauteiles
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US5453685A (en) * 1993-07-30 1995-09-26 Philips Electronics North America Corporation Inductive position sensing device and apparatus with selectable winding configuration
AU679378B2 (en) * 1994-05-14 1997-06-26 Synaptics (Uk) Limited Position encoder
US6249234B1 (en) 1994-05-14 2001-06-19 Absolute Sensors Limited Position detector
US20030062889A1 (en) * 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
EP0743508A2 (de) * 1995-05-16 1996-11-20 Mitutoyo Corporation Positionssensor unter Anwendung des Strominduktionsprinzips
CA2232544C (en) * 1995-09-19 2007-08-28 Czarnek And Orkin Laboratories, Inc. Inductive sensor for monitoring fluid level and displacememt
US6192754B1 (en) 1995-09-19 2001-02-27 Czarnek And Orkin Laboratories, Inc. Sensor system for measuring displacements
US6474158B2 (en) 1995-09-19 2002-11-05 Czarnek And Orkin Laboratories, Inc. Apparatus for measuring displacement and method of use thereof
US5973494A (en) * 1996-05-13 1999-10-26 Mitutoyo Corporation Electronic caliper using a self-contained, low power inductive position transducer
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
FR2753518B1 (fr) * 1996-09-19 1999-03-26 Gall Paul Le Dispositif de controle du niveau de remplissage dans des enceintes de stockage de liquide sous pression
US5841274A (en) * 1997-01-29 1998-11-24 Mitutoyo Corporation Induced current absolute position transducer using a code-track-type scale and read head
US5886519A (en) * 1997-01-29 1999-03-23 Mitutoyo Corporation Multi-scale induced current absolute position transducer
US6005387A (en) * 1997-04-16 1999-12-21 Mitutoyo Corporation Reduced offset high accuracy induced current position transducer
EP0985132B1 (de) 1997-05-28 2005-11-09 Synaptics (UK) Limited Verfahren und drahtbond-vorrichtung zur herstellung eines wandlers
RU2127865C1 (ru) * 1997-07-24 1999-03-20 Медников Феликс Матвеевич Устройство для измерения линейных перемещений (варианты)
GB9720954D0 (en) 1997-10-02 1997-12-03 Scient Generics Ltd Commutators for motors
GB9721891D0 (en) 1997-10-15 1997-12-17 Scient Generics Ltd Symmetrically connected spiral transducer
GB9811151D0 (en) 1998-05-22 1998-07-22 Scient Generics Ltd Rotary encoder
CA2352363A1 (en) * 1998-11-27 2000-06-08 Synaptics (Uk) Limited Position sensor
US7019672B2 (en) * 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
AU1866999A (en) * 1999-01-05 2000-07-24 Jui Yang Lo A means for detecting fluid level
US6253460B1 (en) * 1999-06-10 2001-07-03 Geoffrey W. Schmitz Apparatus for position measurement and a system and a method for using the same
GB9913935D0 (en) * 1999-06-15 1999-08-18 Scient Generics Ltd Position encoder for cylindrical geometries
JP2001272201A (ja) * 2000-03-27 2001-10-05 Sony Precision Technology Inc 位置検出装置
EP1412912B1 (de) * 2001-05-21 2008-06-18 Synaptics (UK) Limited Positionssensor
GB2403017A (en) * 2002-03-05 2004-12-22 Synaptics Position sensor
DE10215898A1 (de) * 2002-04-11 2003-11-06 Pierburg Gmbh Füllstandsmesser
AU2003232360A1 (en) * 2002-06-05 2003-12-22 Synaptics (Uk) Limited Signal transfer method and apparatus
US7140257B2 (en) * 2002-12-10 2006-11-28 Ashcroft Inc. Wireless transmitting pressure measurement device
US7165461B2 (en) * 2003-03-27 2007-01-23 Ashcroft, Inc. Pressure gauge having dual function movement plate
WO2004094971A1 (en) 2003-03-27 2004-11-04 Dresser, Inc. Temperature measurement device
GB0317370D0 (en) * 2003-07-24 2003-08-27 Synaptics Uk Ltd Magnetic calibration array
GB0319945D0 (en) * 2003-08-26 2003-09-24 Synaptics Uk Ltd Inductive sensing system
US20050109104A1 (en) * 2003-10-08 2005-05-26 Fling William F. Collapsible liquid level measurement device with attachments
US7043984B2 (en) * 2004-01-13 2006-05-16 Fling John J Automatically actuated liquid level sensor
WO2006045210A1 (de) * 2004-10-25 2006-05-04 Werner Zumbrunn Induktiver wegaufnehmer (lvdt) mit kurzgeschlossner kopplunggsspule
JP2007123470A (ja) * 2005-10-27 2007-05-17 Fujitsu Component Ltd ソレノイドアクチュエータ及び２軸アクチュエータ
US7418861B2 (en) * 2006-01-10 2008-09-02 Fling John J Mechanically self actuated liquid level sensor
US7444865B2 (en) * 2006-05-04 2008-11-04 Fling John J Parallelogram actuated liquid level sensor
NL2000297C2 (nl) * 2006-11-01 2008-05-06 Bravilor Holding Bv Drankautomaat met inductieve vloeistof-niveaumeting.
US7605585B2 (en) * 2007-05-08 2009-10-20 Honeywell International Inc. Air-core transformer position sensor
EP2145158B1 (de) 2007-05-10 2018-03-07 Cambridge Integrated Circuits Limited Wandler
DE102010062241A1 (de) * 2010-12-01 2012-06-06 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben eines Starters eines Fahrzeugs
GB2488389C (en) 2010-12-24 2018-08-22 Cambridge Integrated Circuits Ltd Position sensing transducer
US9086314B2 (en) 2011-12-02 2015-07-21 Czarnek & Orkin Laboratories, Inc. Battery-less active float for inductive sensor for monitoring fluid level and displacement
GB2503006B (en) 2012-06-13 2017-08-09 Cambridge Integrated Circuits Ltd Position sensing transducer
DE102014101388A1 (de) * 2014-02-05 2015-08-06 Hella Kgaa Hueck & Co. Induktiver und verkantungssicherer Füllstandssensor
CN106104210B (zh) * 2014-02-18 2019-06-04 巴鲁夫公司 位置测量设备和用于操作位置测量设备的方法
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Also Published As

Publication number Publication date
US4833919A (en) 1989-05-30
US4723446A (en) 1988-02-09
EP0211142A2 (de) 1987-02-25
EP0211142B1 (de) 1991-08-14
EP0211142A3 (en) 1988-08-24

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8339 Ceased/non-payment of the annual fee