DE68904889T2 - Kapazitiver differenzdrucksensor mit ueberdrucksicherung und verfahren zur ueberdrucksicherung eines kapazitiven drucksensors. - Google Patents

Kapazitiver differenzdrucksensor mit ueberdrucksicherung und verfahren zur ueberdrucksicherung eines kapazitiven drucksensors.

Info

Publication number
DE68904889T2
DE68904889T2 DE8989313449T DE68904889T DE68904889T2 DE 68904889 T2 DE68904889 T2 DE 68904889T2 DE 8989313449 T DE8989313449 T DE 8989313449T DE 68904889 T DE68904889 T DE 68904889T DE 68904889 T2 DE68904889 T2 DE 68904889T2
Authority
DE
Germany
Prior art keywords
capacitive
pressure sensor
over
safety
pressure
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
DE8989313449T
Other languages
English (en)
Other versions
DE68904889D1 (de
Inventor
Daniel H Grantham
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.)
Breed Automotive Technology Inc
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE68904889D1 publication Critical patent/DE68904889D1/de
Publication of DE68904889T2 publication Critical patent/DE68904889T2/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
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • 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
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE8989313449T 1988-12-30 1989-12-21 Kapazitiver differenzdrucksensor mit ueberdrucksicherung und verfahren zur ueberdrucksicherung eines kapazitiven drucksensors. Expired - Fee Related DE68904889T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/292,281 US4879627A (en) 1988-12-30 1988-12-30 Differential capacitive pressure sensor with over-pressure protection

Publications (2)

Publication Number Publication Date
DE68904889D1 DE68904889D1 (de) 1993-03-25
DE68904889T2 true DE68904889T2 (de) 1993-08-05

Family

ID=23124001

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989313449T Expired - Fee Related DE68904889T2 (de) 1988-12-30 1989-12-21 Kapazitiver differenzdrucksensor mit ueberdrucksicherung und verfahren zur ueberdrucksicherung eines kapazitiven drucksensors.

Country Status (9)

Country Link
US (1) US4879627A (de)
EP (1) EP0376631B1 (de)
JP (1) JPH02264839A (de)
KR (1) KR0137940B1 (de)
AR (1) AR248314A1 (de)
BR (1) BR9000012A (de)
CA (1) CA2006162C (de)
DE (1) DE68904889T2 (de)
IL (1) IL92928A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043171A1 (de) * 2008-10-24 2010-04-29 Endress + Hauser Gmbh + Co. Kg Drucksensor, insbesondere Drucksensortechnik

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DE4124662A1 (de) * 1991-07-25 1993-01-28 Fibronix Sensoren Gmbh Relativdrucksensor
DE4227819C2 (de) * 1991-08-22 1996-10-17 Yamatake Honeywell Co Ltd Kapazitiver Drucksensor
FR2687779B1 (fr) * 1992-02-20 1995-11-10 Sextant Avionique Micro-capteur capacitif a protection laterale et procede de fabrication.
US5333504A (en) * 1992-09-01 1994-08-02 Rosemount Inc. High overpressure low range pressure sensor
US5349491A (en) * 1992-11-06 1994-09-20 Kavlico Corporation Pre-stressed pressure transducer and method of forming same
FR2701562B1 (fr) * 1993-02-10 1995-05-05 Sextant Avionique Micro-capteur capacitif à faible capcité parasite et procédé de fabrication.
CH688745A5 (fr) * 1993-06-25 1998-02-13 Suisse Electronique Microtech Capteur de pression différentielle de type capacitif.
AU658524B1 (en) * 1993-08-17 1995-04-13 Yokogawa Electric Corporation Semiconductor type differential pressure measurement apparatus and method for manufacturing the same
US5444901A (en) * 1993-10-25 1995-08-29 United Technologies Corporation Method of manufacturing silicon pressure sensor having dual elements simultaneously mounted
US5440931A (en) * 1993-10-25 1995-08-15 United Technologies Corporation Reference element for high accuracy silicon capacitive pressure sensor
US5375034A (en) * 1993-12-02 1994-12-20 United Technologies Corporation Silicon capacitive pressure sensor having a glass dielectric deposited using ion milling
US5448444A (en) * 1994-01-28 1995-09-05 United Technologies Corporation Capacitive pressure sensor having a reduced area dielectric spacer
US5381299A (en) * 1994-01-28 1995-01-10 United Technologies Corporation Capacitive pressure sensor having a substrate with a curved mesa
US5438880A (en) * 1994-05-17 1995-08-08 United Technologies Corporation Electrostatic linear airspeed transducer
US5479827A (en) * 1994-10-07 1996-01-02 Yamatake-Honeywell Co., Ltd. Capacitive pressure sensor isolating electrodes from external environment
US5535626A (en) * 1994-12-21 1996-07-16 Breed Technologies, Inc. Sensor having direct-mounted sensing element
US5757608A (en) * 1996-01-25 1998-05-26 Alliedsignal Inc. Compensated pressure transducer
US5818002A (en) * 1996-03-01 1998-10-06 Cts Corporation Pressure change warning switch
US6473289B1 (en) 1999-10-16 2002-10-29 Paralax, Llc Vacuum variable capacitor
US6431003B1 (en) 2000-03-22 2002-08-13 Rosemount Aerospace Inc. Capacitive differential pressure sensor with coupled diaphragms
JP2001356062A (ja) * 2000-06-13 2001-12-26 Yamatake Corp 容量式圧力センサ
JP2004233107A (ja) * 2003-01-28 2004-08-19 Kyocera Corp 圧力検出装置用パッケージ
FR2859281B1 (fr) * 2003-09-02 2005-12-23 Auxitrol Sa Protection d'une membrane deformable contre de fortes deformations dans une structure micromecanique
JP2005274265A (ja) * 2004-03-24 2005-10-06 Nippon M K S Kk 流量計
DE102009000056A1 (de) * 2009-01-07 2010-07-08 Robert Bosch Gmbh Sensorelement zur kapazitiven Differenzdruckerfassung
DE102010022642A1 (de) 2010-06-04 2011-12-08 Rolls-Royce Deutschland Ltd & Co Kg Vorrichtung zur Überprüfung des Durchflusses von Öl oder Brennstoff durch eine Filteranordnung
US8466523B2 (en) * 2011-10-07 2013-06-18 Continental Automotive Systems, Inc. Differential pressure sensor device
DE102012202038A1 (de) * 2012-02-10 2013-08-14 Rolls-Royce Deutschland Ltd & Co Kg Messvorrichtung mit einem Drucksensor
US9470593B2 (en) 2013-09-12 2016-10-18 Honeywell International Inc. Media isolated pressure sensor
CN107478359B (zh) * 2017-07-28 2019-07-19 佛山市川东磁电股份有限公司 一种双膜电容式压力传感器及制作方法
JP7328112B2 (ja) * 2019-10-09 2023-08-16 アズビル株式会社 センサ素子
CN111122020B (zh) * 2019-12-31 2022-10-21 中国科学院微电子研究所 电容式压力检测装置及传感器
CN112834112B (zh) * 2021-01-04 2023-01-06 郑州东辰科技有限公司 一种力标准器及液压承载装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725501A (en) * 1954-07-27 1955-11-29 Gen Motors Corp Combustion chamber pressure indicator
US3232114A (en) * 1962-06-15 1966-02-01 Acton Lab Inc Pressure transducer
US3965746A (en) * 1974-11-04 1976-06-29 Teledyne Industries, Inc. Pressure transducer
JPS5516228A (en) * 1978-07-21 1980-02-04 Hitachi Ltd Capacity type sensor
JPS5937716Y2 (ja) * 1979-01-31 1984-10-19 日産自動車株式会社 半導体差圧センサ
US4415948A (en) * 1981-10-13 1983-11-15 United Technologies Corporation Electrostatic bonded, silicon capacitive pressure transducer
US4586109A (en) * 1985-04-01 1986-04-29 Bourns Instruments, Inc. Batch-process silicon capacitive pressure sensor
US4735098A (en) * 1985-11-19 1988-04-05 Kavlico Corporation Dual diaphragm differential pressure transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043171A1 (de) * 2008-10-24 2010-04-29 Endress + Hauser Gmbh + Co. Kg Drucksensor, insbesondere Drucksensortechnik

Also Published As

Publication number Publication date
BR9000012A (pt) 1990-10-09
KR900010373A (ko) 1990-07-07
US4879627A (en) 1989-11-07
EP0376631B1 (de) 1993-02-10
IL92928A (en) 1992-02-16
EP0376631A1 (de) 1990-07-04
KR0137940B1 (ko) 1998-05-15
CA2006162C (en) 1995-02-07
CA2006162A1 (en) 1990-06-30
AR248314A1 (es) 1995-07-12
DE68904889D1 (de) 1993-03-25
JPH02264839A (ja) 1990-10-29
IL92928A0 (en) 1990-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BREED AUTOMOTIVE TECHNOLOGY, INC., LAKELAND, FLA.,

8339 Ceased/non-payment of the annual fee