DE69611726T2 - Magnetischer positionswandler mit geschlitzter abschirmung - Google Patents

Magnetischer positionswandler mit geschlitzter abschirmung

Info

Publication number
DE69611726T2
DE69611726T2 DE69611726T DE69611726T DE69611726T2 DE 69611726 T2 DE69611726 T2 DE 69611726T2 DE 69611726 T DE69611726 T DE 69611726T DE 69611726 T DE69611726 T DE 69611726T DE 69611726 T2 DE69611726 T2 DE 69611726T2
Authority
DE
Germany
Prior art keywords
diaphragm
magnetic assembly
slited
shielding
electrical conductor
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 - Fee Related
Application number
DE69611726T
Other languages
English (en)
Other versions
DE69611726D1 (de
Inventor
K Briefer
A Pinto
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.)
Setra Systems Inc
Original Assignee
Setra Systems Inc
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 Setra Systems Inc filed Critical Setra Systems Inc
Publication of DE69611726D1 publication Critical patent/DE69611726D1/de
Application granted granted Critical
Publication of DE69611726T2 publication Critical patent/DE69611726T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
    • 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
    • G01D5/2006—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 by influencing the self-induction of one or more coils
    • G01D5/202—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 by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Paper (AREA)
  • Vehicle Body Suspensions (AREA)
DE69611726T 1995-06-07 1996-06-03 Magnetischer positionswandler mit geschlitzter abschirmung Expired - Fee Related DE69611726T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/477,327 US5705751A (en) 1995-06-07 1995-06-07 Magnetic diaphragm pressure transducer with magnetic field shield
PCT/US1996/008415 WO1996041141A1 (en) 1995-06-07 1996-06-03 Magnetic relative position transducer

Publications (2)

Publication Number Publication Date
DE69611726D1 DE69611726D1 (de) 2001-03-08
DE69611726T2 true DE69611726T2 (de) 2001-08-02

Family

ID=23895459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69611726T Expired - Fee Related DE69611726T2 (de) 1995-06-07 1996-06-03 Magnetischer positionswandler mit geschlitzter abschirmung

Country Status (7)

Country Link
US (2) US5705751A (de)
EP (1) EP0830577B1 (de)
JP (1) JPH11506832A (de)
CN (1) CN1100250C (de)
AT (1) ATE199044T1 (de)
DE (1) DE69611726T2 (de)
WO (1) WO1996041141A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005016812B3 (de) * 2005-04-07 2006-12-21 Fachhochschule Koblenz Vorrichtung zur Messung eines Drucks in einem Strömungskanal

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US6328647B1 (en) * 2000-04-06 2001-12-11 Jon E. Traudt Pressure differential detecting system, and method of use
US6782754B1 (en) 2000-07-07 2004-08-31 Rosemount, Inc. Pressure transmitter for clean environments
DE10120976A1 (de) * 2001-05-01 2002-11-14 Bizerba Gmbh & Co Kg Kraftmesszelle
US6828801B1 (en) * 2001-10-26 2004-12-07 Welch Allyn, Inc. Capacitive sensor
EP1357370A1 (de) * 2002-04-24 2003-10-29 Esec Trading S.A. Induktiver Kraftsensor
US6820501B2 (en) * 2002-08-05 2004-11-23 Dürr Industries, Inc. Differential static pressure measuring and activating device and control mechanism
US6768958B2 (en) * 2002-11-26 2004-07-27 Lsi Logic Corporation Automatic calibration of a masking process simulator
KR101173519B1 (ko) * 2003-02-14 2012-08-14 베이 센서스 앤드 시스템즈 캄파니, 인코포레이티드 선형 홀-효과 센서를 이용하고, 증가된 선형성을 위한 자기 배열을 갖는 위치 센서
US7570065B2 (en) * 2006-03-01 2009-08-04 Loadstar Sensors Inc Cylindrical capacitive force sensing device and method
US7353713B2 (en) 2003-04-09 2008-04-08 Loadstar Sensors, Inc. Flexible apparatus and method to enhance capacitive force sensing
DE10325390A1 (de) * 2003-05-28 2004-12-30 Bizerba Gmbh & Co. Kg Kraftmesszelle
US7347099B2 (en) * 2004-07-16 2008-03-25 Rosemount Inc. Pressure transducer with external heater
JP2008514929A (ja) * 2004-09-29 2008-05-08 ロードスター センサーズ、インク． 容量技術を用いた間隙変化の検出
US7213464B1 (en) * 2004-10-25 2007-05-08 Traudt Jon E System for visually monitoring pressure in an enclosed space
US7884432B2 (en) * 2005-03-22 2011-02-08 Ametek, Inc. Apparatus and methods for shielding integrated circuitry
US20060267321A1 (en) * 2005-05-27 2006-11-30 Loadstar Sensors, Inc. On-board vehicle seat capacitive force sensing device and method
US7623749B2 (en) * 2005-08-30 2009-11-24 Adc Telecommunications, Inc. Fiber distribution hub with modular termination blocks
US7181975B1 (en) * 2005-09-13 2007-02-27 Honeywell International Wireless capacitance pressure sensor
US7679033B2 (en) * 2005-09-29 2010-03-16 Rosemount Inc. Process field device temperature control
US7343814B2 (en) * 2006-04-03 2008-03-18 Loadstar Sensors, Inc. Multi-zone capacitive force sensing device and methods
US8079269B2 (en) * 2007-05-16 2011-12-20 Rosemount Inc. Electrostatic pressure sensor with porous dielectric diaphragm
US7538961B2 (en) * 2007-06-20 2009-05-26 Hitachi Global Storage Technologies Netherlands B.V. Using inductance to measure writer spacing in perpendicular magnetic recording
JP5422880B2 (ja) * 2007-08-21 2014-02-19 大日本印刷株式会社 圧力センサ
US7779698B2 (en) * 2007-11-08 2010-08-24 Rosemount Inc. Pressure sensor
EP2113759A1 (de) * 2008-04-29 2009-11-04 The Swatch Group Research and Development Ltd. Drucksensor mit einer ein amorphes Material enthaltenden Membran
US8999431B2 (en) 2008-12-01 2015-04-07 University Of Massachusetts Lowell Conductive formulations for use in electrical, electronic and RF applications
US8327713B2 (en) * 2008-12-03 2012-12-11 Rosemount Inc. Method and apparatus for pressure measurement using magnetic property
US9038483B2 (en) 2009-09-08 2015-05-26 University Of Massachusetts Wireless passive radio-frequency strain and displacement sensors
EP2483652B1 (de) 2009-09-29 2018-07-04 ABB Schweiz AG Druckaufnehmer zur messung des drucks einer prozessflüssigkeit und zugehöriges verfahren
US8429978B2 (en) * 2010-03-30 2013-04-30 Rosemount Inc. Resonant frequency based pressure sensor
EP2439558A1 (de) * 2010-10-07 2012-04-11 Klaus Ebinger Detektorsonde und Verfahren zum Herstellen einer Detektorsonde
US9817078B2 (en) 2012-05-10 2017-11-14 Allegro Microsystems Llc Methods and apparatus for magnetic sensor having integrated coil
WO2014085721A1 (en) * 2012-11-30 2014-06-05 Wyatt Technology Corporation Corrosion resistant pressure transducer
CN104363935B (zh) * 2012-12-14 2017-06-20 甘布罗伦迪亚股份公司 利用位置感测的用于压力匣的隔膜重新定位
CN103196620A (zh) * 2013-03-18 2013-07-10 天津俞昌科技有限公司 一种电感式差压传感器
US10145908B2 (en) 2013-07-19 2018-12-04 Allegro Microsystems, Llc Method and apparatus for magnetic sensor producing a changing magnetic field
US9857259B2 (en) * 2014-09-30 2018-01-02 Rosemount Inc. Differential pressure sensor with high pressure capabilities
EP3124936A1 (de) * 2015-07-27 2017-02-01 Gealan Formteile GmbH Differenzdrucksensor
US9759580B2 (en) * 2015-08-27 2017-09-12 Texas Instruments Incorporated Position sensor
DE102017205054A1 (de) * 2017-03-24 2018-10-18 Zf Friedrichshafen Ag Einrichtung zum Messen von Druck
US10310028B2 (en) * 2017-05-26 2019-06-04 Allegro Microsystems, Llc Coil actuated pressure sensor
US10837943B2 (en) 2017-05-26 2020-11-17 Allegro Microsystems, Llc Magnetic field sensor with error calculation
US11428755B2 (en) 2017-05-26 2022-08-30 Allegro Microsystems, Llc Coil actuated sensor with sensitivity detection
US10996289B2 (en) * 2017-05-26 2021-05-04 Allegro Microsystems, Llc Coil actuated position sensor with reflected magnetic field
US11081975B2 (en) 2018-10-25 2021-08-03 Toyota Motor Engineering & Manufacturing North America, Inc. Somersaulting motion of soft bodied structure
US11061084B2 (en) * 2019-03-07 2021-07-13 Allegro Microsystems, Llc Coil actuated pressure sensor and deflectable substrate
US10955306B2 (en) 2019-04-22 2021-03-23 Allegro Microsystems, Llc Coil actuated pressure sensor and deformable substrate
US11243134B2 (en) 2019-09-30 2022-02-08 Rosemount Inc. Pressure sensing device isolation cavity seal monitoring
CN111235775B (zh) * 2020-01-20 2021-09-24 浙江众邦机电科技有限公司 一种工业缝纫机以及一种工业缝纫机的控制系统
US11262422B2 (en) 2020-05-08 2022-03-01 Allegro Microsystems, Llc Stray-field-immune coil-activated position sensor
US11493361B2 (en) 2021-02-26 2022-11-08 Allegro Microsystems, Llc Stray field immune coil-activated sensor
US11578997B1 (en) 2021-08-24 2023-02-14 Allegro Microsystems, Llc Angle sensor using eddy currents

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US4042876A (en) * 1976-04-29 1977-08-16 The United States Of America As Represented By The United States Energy Research And Development Administration Eddy current gauge for monitoring displacement using printed circuit coil
US4395916A (en) * 1981-12-30 1983-08-02 Combustion Engineering, Inc. Arrangement for sealing a reactive element within a fluid pressure transducer
DE3227516A1 (de) * 1982-03-08 1983-09-22 Robert Bosch Gmbh, 7000 Stuttgart Drucksensor
US4678994A (en) * 1984-06-27 1987-07-07 Digital Products Corporation Methods and apparatus employing apparent resonant properties of thin conducting materials
US4627292A (en) * 1984-07-03 1986-12-09 Randek Inc. AC transducers, methods and systems
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US5150275A (en) * 1991-07-01 1992-09-22 Setra Systems, Inc. Capacitive pressure sensor
US5329818A (en) * 1992-05-28 1994-07-19 Rosemount Inc. Correction of a pressure indication in a pressure transducer due to variations of an environmental condition
DE4330808C5 (de) * 1993-09-10 2012-08-30 Klaus Nordmann Vorrichtung zum Messen der Bearbeitungskraft von Werkzeugen
DE4420691C1 (de) * 1994-06-14 1996-01-18 Bizerba Gmbh & Co Kg Kraftmeßzelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005016812B3 (de) * 2005-04-07 2006-12-21 Fachhochschule Koblenz Vorrichtung zur Messung eines Drucks in einem Strömungskanal

Also Published As

Publication number Publication date
US5705751A (en) 1998-01-06
CN1192272A (zh) 1998-09-02
DE69611726D1 (de) 2001-03-08
WO1996041141A1 (en) 1996-12-19
EP0830577B1 (de) 2001-01-31
EP0830577A4 (de) 1998-05-20
US5798462A (en) 1998-08-25
JPH11506832A (ja) 1999-06-15
CN1100250C (zh) 2003-01-29
ATE199044T1 (de) 2001-02-15
EP0830577A1 (de) 1998-03-25

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee