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DE3270059D1 - Differential pressure measuring system - Google Patents

Differential pressure measuring system

Info

Publication number
DE3270059D1
DE3270059D1 DE8282400192T DE3270059T DE3270059D1 DE 3270059 D1 DE3270059 D1 DE 3270059D1 DE 8282400192 T DE8282400192 T DE 8282400192T DE 3270059 T DE3270059 T DE 3270059T DE 3270059 D1 DE3270059 D1 DE 3270059D1
Authority
DE
Germany
Prior art keywords
differential pressure
measuring system
pressure measuring
differential
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
Application number
DE8282400192T
Other languages
English (en)
Inventor
Frank Joseph Antonazzi
Joseph Alfred Bluish
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.)
Honeywell International Inc
Original Assignee
Allied 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 Allied Corp filed Critical Allied Corp
Application granted granted Critical
Publication of DE3270059D1 publication Critical patent/DE3270059D1/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/028Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using capsules
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/0082Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means
    • G01L9/0086Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means using variations in capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/12Measuring 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 capacitance, i.e. electric circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE8282400192T 1981-03-16 1982-02-04 Differential pressure measuring system Expired DE3270059D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/244,184 US4457179A (en) 1981-03-16 1981-03-16 Differential pressure measuring system

Publications (1)

Publication Number Publication Date
DE3270059D1 true DE3270059D1 (en) 1986-04-30

Family

ID=22921700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282400192T Expired DE3270059D1 (en) 1981-03-16 1982-02-04 Differential pressure measuring system

Country Status (5)

Country Link
US (1) US4457179A (de)
EP (1) EP0061940B1 (de)
JP (1) JPS57158533A (de)
CA (1) CA1168755A (de)
DE (1) DE3270059D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434664A (en) * 1981-07-06 1984-03-06 The Bendix Corporation Pressure ratio measurement system
US4532809A (en) * 1981-10-05 1985-08-06 Allied Corporation Pressure measuring systems with increased accuracy for a constant resolution
US4422125A (en) * 1982-05-21 1983-12-20 The Bendix Corporation Pressure transducer with an invariable reference capacitor
US4618856A (en) * 1985-05-03 1986-10-21 Allied Corporation Stall surge detector
US4982351A (en) * 1986-05-05 1991-01-01 Texas Instruments Incorporated Low cost high precision sensor
US5051937A (en) * 1986-05-05 1991-09-24 Texas Instruments Incorporated Low cost high precision sensor
US4951236A (en) * 1986-05-05 1990-08-21 Texas Instruments Incorporated Low cost high precision sensor
US4872349A (en) * 1986-10-31 1989-10-10 General Electric Company Microcomputerized force transducer
US4987782A (en) * 1989-10-03 1991-01-29 Allied-Signal Inc. Capacitive pressure transducer system
DE69113632T2 (de) * 1990-08-17 1996-03-21 Analog Devices Inc Monolithischer beschleunigungsmesser.
US5163326A (en) * 1991-03-08 1992-11-17 Rosemount Inc. Line pressure compensator for a pressure transducer
US5241850A (en) * 1991-11-01 1993-09-07 Texas Instruments Incorporated Sensor with programmable temperature compensation
ES2148235T3 (es) * 1992-08-10 2000-10-16 Dow Deutschland Inc Procedimiento y dispositivo para el seguimiento de la excitacion vibracional de un compresor axial.
WO1994003863A1 (en) * 1992-08-10 1994-02-17 Dow Deutschland Inc. Process for detecting fouling of an axial compressor
KR100301892B1 (ko) * 1992-08-10 2001-11-22 스티븐에스. 그레이스 가스터빈하우징에설치되는압력센서가장착된어댑터와이어댑터를이용한압력측정장치및압력측정방법
AU4637293A (en) * 1992-08-10 1994-03-03 Dow Deutschland Inc. Process and device for monitoring and for controlling of a compressor
US5528520A (en) * 1994-12-08 1996-06-18 Ford Motor Company Calibration circuit for capacitive sensors
US5604315A (en) * 1995-01-12 1997-02-18 Setra Systems, Inc. Apparatus using a feedback network to measure fluid pressures
US5705978A (en) * 1995-09-29 1998-01-06 Rosemount Inc. Process control transmitter
US5808198A (en) * 1997-05-19 1998-09-15 The Charles Stark Draper Laboratory, Inc. RF balanced capacitive vibration sensor system
US6879056B2 (en) * 2000-12-29 2005-04-12 Intel Corporation Converting sensed signals
US6910381B2 (en) * 2002-05-31 2005-06-28 Mykrolis Corporation System and method of operation of an embedded system for a digital capacitance diaphragm gauge
KR100954157B1 (ko) * 2007-12-21 2010-04-20 한국항공우주연구원 터보기계 블레이드 파손 모니터링 유닛 및 이를 갖는 터보장치
CN102141455B (zh) * 2010-12-10 2014-06-25 北京航空航天大学 一种非介入式压力测量方法
US9671224B2 (en) 2012-06-12 2017-06-06 Trx Systems, Inc. Methods resolving the elevation of a tracked personnel or assets
US9322648B1 (en) * 2012-06-12 2016-04-26 Trx Systems, Inc. Reducing elevation error with environmental pressure anomaly compensation
CN113483946B (zh) * 2021-06-01 2023-04-28 广西防城港核电有限公司 差压变送器充水排气系统及方法
CN114279626B (zh) * 2021-12-06 2024-07-16 北京晨晶电子有限公司 一种基于薄膜电容器的气体真空度检测方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3237178A (en) * 1963-11-01 1966-02-22 Honeywell Inc Control apparatus
US3657630A (en) * 1968-10-09 1972-04-18 Trw Inc Electro servosystem for a force balancing gauge
US3595084A (en) * 1970-02-27 1971-07-27 Continental Can Co Digital transducer system
US3858097A (en) * 1973-12-26 1974-12-31 Bendix Corp Pressure-sensing capacitor
US4001813A (en) * 1975-07-02 1977-01-04 The Bendix Corporation Precision capacitance to digital conversion system
US4153873A (en) * 1977-10-11 1979-05-08 Rosemount Inc. Transducer for converting a varying analog current signal to a binary digital signal
JPS55159109A (en) * 1979-05-30 1980-12-11 Yokogawa Hokushin Electric Corp Capacity type displacement converter
US4322977A (en) * 1980-05-27 1982-04-06 The Bendix Corporation Pressure measuring system

Also Published As

Publication number Publication date
CA1168755A (en) 1984-06-05
JPS57158533A (en) 1982-09-30
EP0061940B1 (de) 1986-03-26
EP0061940A1 (de) 1982-10-06
US4457179A (en) 1984-07-03

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: ALLIED CORP., MORRISTOWN, N.J., US

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee