JPS6355014B2 - - Google Patents

Info

Publication number
JPS6355014B2
JPS6355014B2 JP56131433A JP13143381A JPS6355014B2 JP S6355014 B2 JPS6355014 B2 JP S6355014B2 JP 56131433 A JP56131433 A JP 56131433A JP 13143381 A JP13143381 A JP 13143381A JP S6355014 B2 JPS6355014 B2 JP S6355014B2
Authority
JP
Japan
Prior art keywords
pressure sensor
soft magnetic
permanent magnet
movable body
voltage
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
Application number
JP56131433A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5772039A (en
Inventor
Shinichiro Iwasaki
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.)
Aisin Corp
Original Assignee
Aisin 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
Application filed by Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Publication of JPS5772039A publication Critical patent/JPS5772039A/ja
Publication of JPS6355014B2 publication Critical patent/JPS6355014B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • 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
    • 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
    • G01L9/10—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 by making use of variations in inductance, i.e. electric circuits therefor
    • 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
    • G01L9/14—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 involving the displacement of magnets, e.g. electromagnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Measuring Fluid Pressure (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP56131433A 1980-08-29 1981-08-21 Pressure sensor Granted JPS5772039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/182,841 US4339955A (en) 1980-08-29 1980-08-29 Pressure sensor

Publications (2)

Publication Number Publication Date
JPS5772039A JPS5772039A (en) 1982-05-06
JPS6355014B2 true JPS6355014B2 (en]) 1988-11-01

Family

ID=22670273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56131433A Granted JPS5772039A (en) 1980-08-29 1981-08-21 Pressure sensor

Country Status (3)

Country Link
US (1) US4339955A (en])
JP (1) JPS5772039A (en])
DE (1) DE3133043A1 (en])

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343885C2 (de) * 1983-04-21 1996-12-12 Wabco Gmbh Induktiver Sensor
EP0126846B1 (de) * 1983-04-21 1990-08-01 WABCO Westinghouse Fahrzeugbremsen GmbH Induktiver Sensor
US4627292A (en) * 1984-07-03 1986-12-09 Randek Inc. AC transducers, methods and systems
US6016707A (en) * 1998-04-29 2000-01-25 Lin; Chih-Lung Non-intrusive pressure variation monitoring device adapted to monitor abdominal pressure in pregnant women
JP2003512664A (ja) 1999-10-20 2003-04-02 ヴィスタ・リサーチ・インコーポレーテッド 密閉容器内部の物理的性質を遠隔測定する方法および装置
US6647771B2 (en) * 2000-08-30 2003-11-18 Mlhd, Inc. External pressure display for vehicle tires
DE10051048A1 (de) 2000-10-14 2002-04-18 Wabco Gmbh & Co Ohg Meßverfahren für eine Mechatronik
US6591688B2 (en) 2001-03-07 2003-07-15 Starr-Johnson Load sensing by partial magnetic saturation
US6539806B2 (en) 2001-03-07 2003-04-01 Starr-Johnson Fluid-load measurement by magnetic excitation and vibration sensing of a fluid-load-sensitive diaphragm
DE10159536A1 (de) 2001-12-05 2003-06-26 Beru Ag Differenzdruckschalter-sensor
US7032443B2 (en) * 2003-02-15 2006-04-25 Advanced Digital Components, Inc. Tire pressure monitoring system and method of using same
DE10347861A1 (de) * 2003-10-10 2005-04-28 Endress & Hauser Gmbh & Co Kg Meßaufnehmer
US6854335B1 (en) 2003-12-12 2005-02-15 Mlho, Inc. Magnetically coupled tire pressure sensing system
US7891607B2 (en) * 2006-10-18 2011-02-22 The Boeing Company Pressure sensor device
JP2010515880A (ja) * 2007-01-08 2010-05-13 キョントン ネットワーク コーポレーション リミテッド 精密圧力センサ
JP5590958B2 (ja) * 2010-04-28 2014-09-17 オリンパス株式会社 形状記憶合金アクチュエータ
CN103674226B (zh) * 2012-08-30 2017-08-29 山东鸿荣电子有限公司 一种四态双稳传感器装置及其监测方法
JP2017062146A (ja) * 2015-09-24 2017-03-30 Ｋｙｂ株式会社 スプール弁位置検出装置
DE102015225723A1 (de) * 2015-12-17 2017-06-22 Robert Bosch Gmbh Handwerkzeugmaschinenvorrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121343B (de) * 1956-12-27 1962-01-04 Siemens Ag Messwertumformer fuer Druck oder Differenzdruck
US3825908A (en) * 1973-02-02 1974-07-23 Illinois Tool Works Solid state switch structure
US3877314A (en) * 1973-03-26 1975-04-15 Illinois Tool Works Accelerometer
JPS50147778A (en]) * 1974-05-17 1975-11-27
IT1012728B (it) * 1974-05-22 1977-03-10 Mecanique Ind Int Dispositivo per trasmettere a distanza segnali di pressione
DE2725543A1 (de) * 1977-06-07 1978-12-21 Bosch Gmbh Robert Druckmessdose, insbesondere zur messung des druckes im ansaugrohr von brennkraftmaschinen
DE2725933A1 (de) * 1977-06-08 1978-12-21 Bosch Gmbh Robert Druck-impulsdauer-wandler
JPS5456990U (en]) * 1977-09-28 1979-04-19
IT1088352B (it) * 1977-10-12 1985-06-10 Magneti Marelli Spa Rilevatore di spostamenti lineari

Also Published As

Publication number Publication date
US4339955A (en) 1982-07-20
DE3133043A1 (de) 1982-04-01
JPS5772039A (en) 1982-05-06

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