JPH0477241B2 - - Google Patents

Info

Publication number
JPH0477241B2
JPH0477241B2 JP2511550A JP51155090A JPH0477241B2 JP H0477241 B2 JPH0477241 B2 JP H0477241B2 JP 2511550 A JP2511550 A JP 2511550A JP 51155090 A JP51155090 A JP 51155090A JP H0477241 B2 JPH0477241 B2 JP H0477241B2
Authority
JP
Japan
Prior art keywords
waveguide
signal
torsional
wave
transducer
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
JP2511550A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04501919A (ja
Inventor
Jeikobu Teraaman
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.)
MTS Systems Corp
Original Assignee
MTS Systems Corp
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 MTS Systems Corp filed Critical MTS Systems Corp
Publication of JPH04501919A publication Critical patent/JPH04501919A/ja
Publication of JPH0477241B2 publication Critical patent/JPH0477241B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • G01F23/2963—Measuring transit time of reflected waves magnetostrictive
    • 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
    • G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/247—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using time shifts of pulses
    • 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
    • G01D5/48—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 wave or particle radiation means
    • G01D5/485—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 wave or particle radiation means using magnetostrictive devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP2511550A 1989-09-11 1990-08-08 コンパクトなヘッドの信号増強磁気歪みトランスジューサ Granted JPH04501919A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/405,453 US4952873A (en) 1989-09-11 1989-09-11 Compact head, signal enhancing magnetostrictive transducer
US405,453 1989-09-11

Publications (2)

Publication Number Publication Date
JPH04501919A JPH04501919A (ja) 1992-04-02
JPH0477241B2 true JPH0477241B2 (en]) 1992-12-07

Family

ID=23603762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2511550A Granted JPH04501919A (ja) 1989-09-11 1990-08-08 コンパクトなヘッドの信号増強磁気歪みトランスジューサ

Country Status (7)

Country Link
US (1) US4952873A (en])
EP (1) EP0442985B1 (en])
JP (1) JPH04501919A (en])
KR (1) KR960000341B1 (en])
CA (1) CA2041651C (en])
DE (1) DE69016774T2 (en])
WO (1) WO1991004457A1 (en])

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US5347849A (en) * 1990-08-30 1994-09-20 Tanknology Corporation International Water sensor that detects tank or vessel leakage
WO1992015847A1 (fr) * 1991-03-08 1992-09-17 Seli Hugonnet Dispositif et procede de determination des volumes de liquide d'une cuve en fonction des hauteurs de liquide
WO1992015846A1 (fr) * 1991-03-08 1992-09-17 Seli Hugonnet Dispositif automatise de mesure volumetrique de container et container equipe d'un tel dispositif
US5311124A (en) * 1991-03-11 1994-05-10 Mts Systems Corporation Emulated analog output magnetostrictive position transducer with set point selection
US5136884A (en) * 1991-04-17 1992-08-11 Mts Systems Corporation Magnetic sight gage sensor
US5150049A (en) * 1991-06-24 1992-09-22 Schuetz Tool & Die, Inc. Magnetostrictive linear displacement transducer with temperature compensation
US5367255A (en) * 1991-12-02 1994-11-22 Mts System Corp Magnetostrictive position transducer with band passed mode converter output for rejecting mechanical noise
US5313160A (en) * 1992-02-03 1994-05-17 Mts Systems Corporation Modular magnetostrictive displacement sensor having a waveguide protected by a material with a thermal coefficient of expansion the same as the waveguide
JPH0762612B2 (ja) * 1993-02-19 1995-07-05 株式会社マコメ研究所 超音波磁歪遅延線を用いた測長装置
US5577411A (en) * 1994-06-03 1996-11-26 Aluminum Company Of America Molten metal sensing in a closed opaque vessel
US5545984A (en) * 1995-05-11 1996-08-13 Mts Systems Corporation Damping device for sonic waveguides
JP4145957B2 (ja) * 1995-05-11 2008-09-03 エムティーエス システムズ コーポレイション 音響トランスデューサーコンポーネント
CA2696180C (en) * 1995-05-11 2012-08-07 Mts Systems Corporation Acoustic transducer components
US6612168B2 (en) * 1995-05-11 2003-09-02 Mts Systems Corporation Explosion proof magnetostrictive probe
US5590091A (en) * 1995-05-11 1996-12-31 Mts Systems Corporation Waveguide suspension device and modular construction for sonic waveguides
US5634398A (en) * 1996-03-22 1997-06-03 The Coe Manufacturing Co. Panel press with movable platens which are individually controlled with position-sensor transducers
US5923164A (en) * 1996-10-15 1999-07-13 Balluff, Inc. Apparatus and method for automatically tuning the gain of an amplifier
US6232769B1 (en) 1998-06-16 2001-05-15 Balluff, Inc. Modular waveguide assembly for a position sensor and method for making the same
US6351117B1 (en) 1999-09-20 2002-02-26 Balluff, Inc. Method and apparatus for generating transducer output pulses compensated for component variations
US6509733B2 (en) 2000-12-20 2003-01-21 Caterpillar Inc Fluid cylinder with embedded positioning sensor
DE10153488A1 (de) * 2001-10-23 2003-05-08 Balluff Gmbh Wegaufnehmervorrichtung
US6903544B2 (en) * 2001-10-23 2005-06-07 Balluff Gmbh Position transducer device
US7925392B2 (en) 2002-04-23 2011-04-12 Lord Corporation Aircraft vehicular propulsion system monitoring device and method
US7023199B2 (en) * 2002-12-31 2006-04-04 Caterpillar Inc. Position sensing cylinder cap for ease of service and assembly
US20050007099A1 (en) * 2003-07-07 2005-01-13 Hamasagar Arun M. Position sensing method and apparatus for a linkage system
EP1656537B1 (de) 2003-08-14 2010-10-20 ASM Automation Sensorik Messtechnik GmbH Positionssensor
WO2005083626A2 (en) * 2003-10-14 2005-09-09 Lord Corporation Magnetostrictive sensor for measuring distances
US7059238B2 (en) * 2003-10-17 2006-06-13 Clark Equipment Company Method and apparatus for stroke position sensor for hydraulic cylinder
DE202004002891U1 (de) 2004-02-25 2005-07-07 Mts Sensor Technologie Gmbh & Co. Kg Magnetostriktiver Streckensensor
US7121185B2 (en) * 2004-05-28 2006-10-17 Caterpillar Inc. Hydraulic cylinder having a snubbing valve
US7454969B2 (en) * 2005-05-31 2008-11-25 Veeder-Root Company Fuel density measuring device, system, and method using magnetostrictive probe bouyancy
US8113263B2 (en) * 2005-06-30 2012-02-14 Overhead Door Corporation Barrier operator with magnetic position sensor
US20070169549A1 (en) * 2006-01-23 2007-07-26 Southwest Research Institute Method and apparatus for sensing fuel levels in tanks
US7971487B2 (en) * 2008-05-02 2011-07-05 Carlen Controls, Inc. Linear position transducer with wireless read head
EP2128570A1 (de) 2008-05-27 2009-12-02 Siemens Aktiengesellschaft Verwendung einer Messsignalauswertung einer Lagemesseinrichtung zur Ermittlung der zeitlichen Differenz zwischen einem ersten Ereignis und einem zweiten Ereignis
DE202008014347U1 (de) * 2008-10-17 2009-01-29 Balluff Gmbh Wegmessvorrichtung
CN102435264B (zh) * 2011-09-28 2012-12-12 青岛贵和科技有限公司 磁致伸缩液位传感器的自校准方法及系统
CN103206912A (zh) * 2013-04-24 2013-07-17 四川大学 一种磁致伸缩位移传感器测量装置
CN106500738A (zh) * 2017-01-06 2017-03-15 天津恒立远大仪表股份有限公司 带磁场偏置的信号传感器
US11543269B2 (en) 2020-01-27 2023-01-03 Temposonics GmbH & Co. KG Target detection in magnetostrictive sensors using a target frequency range

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898555A (en) * 1973-12-19 1975-08-05 Tempo Instr Inc Linear distance measuring device using a moveable magnet interacting with a sonic waveguide
US4028619A (en) * 1975-09-22 1977-06-07 Cx Corporation Position locating using digital logic controlled by pulse propagation time intervals
US4071818A (en) * 1975-11-03 1978-01-31 Combustion Engineering, Inc. Magnetostrictive position indicator
US4305283A (en) * 1979-08-29 1981-12-15 Whessoe Limited Position determining apparatus
CH656954A5 (de) * 1981-10-30 1986-07-31 Maag Zahnraeder & Maschinen Ag Verfahren und anordnung zum auswerten von signalen aus einem ultraschallwegmesssystem.
JPS6078317A (ja) * 1983-10-05 1985-05-04 Hitachi Ltd 可動物体の位置検出方法およびその装置
DE3343310C2 (de) * 1983-11-30 1987-01-29 Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen Ultraschall-Wegmesser
US4721902A (en) * 1985-07-08 1988-01-26 Mts Systems Corporation Noise rejection in a sonic transducer
US4803427A (en) * 1987-05-26 1989-02-07 Amcon, Inc. Precision measuring gauge having sonic delay line with free-standing mode converter armature
US4839590A (en) * 1987-09-24 1989-06-13 Magnetek Controls Piezoelectric actuator for magnetostrictive linear displacement measuring device

Also Published As

Publication number Publication date
EP0442985A1 (en) 1991-08-28
KR960000341B1 (ko) 1996-01-05
DE69016774T2 (de) 1995-09-14
CA2041651C (en) 2000-03-14
JPH04501919A (ja) 1992-04-02
KR920701780A (ko) 1992-08-12
CA2041651A1 (en) 1991-03-12
EP0442985B1 (en) 1995-02-08
WO1991004457A1 (en) 1991-04-04
EP0442985A4 (en) 1993-02-24
DE69016774D1 (de) 1995-03-23
US4952873A (en) 1990-08-28

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