DE69219762T2 - Kompensator des statischen drucks für druckwandler - Google Patents

Kompensator des statischen drucks für druckwandler

Info

Publication number
DE69219762T2
DE69219762T2 DE69219762T DE69219762T DE69219762T2 DE 69219762 T2 DE69219762 T2 DE 69219762T2 DE 69219762 T DE69219762 T DE 69219762T DE 69219762 T DE69219762 T DE 69219762T DE 69219762 T2 DE69219762 T2 DE 69219762T2
Authority
DE
Germany
Prior art keywords
capacitance
differential pressure
static pressure
changes
pressure signal
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
DE69219762T
Other languages
German (de)
English (en)
Other versions
DE69219762D1 (de
Inventor
Roger Frick
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.)
Rosemount Inc
Original Assignee
Rosemount 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 Rosemount Inc filed Critical Rosemount Inc
Application granted granted Critical
Publication of DE69219762D1 publication Critical patent/DE69219762D1/de
Publication of DE69219762T2 publication Critical patent/DE69219762T2/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
    • G01L9/12—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 capacitance, i.e. electric circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE69219762T 1991-03-08 1992-03-02 Kompensator des statischen drucks für druckwandler Expired - Fee Related DE69219762T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/667,320 US5163326A (en) 1991-03-08 1991-03-08 Line pressure compensator for a pressure transducer
PCT/US1992/001683 WO1992015850A1 (en) 1991-03-08 1992-03-02 Line pressure compensator for a pressure transducer

Publications (2)

Publication Number Publication Date
DE69219762D1 DE69219762D1 (de) 1997-06-19
DE69219762T2 true DE69219762T2 (de) 1997-08-28

Family

ID=24677749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69219762T Expired - Fee Related DE69219762T2 (de) 1991-03-08 1992-03-02 Kompensator des statischen drucks für druckwandler

Country Status (6)

Country Link
US (1) US5163326A (enExample)
EP (1) EP0574539B1 (enExample)
JP (1) JP3190337B2 (enExample)
CA (1) CA2101440A1 (enExample)
DE (1) DE69219762T2 (enExample)
WO (1) WO1992015850A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237285A (en) * 1991-10-18 1993-08-17 Rosemount Inc. Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter
JP3106805B2 (ja) 1993-10-14 2000-11-06 富士電機株式会社 圧力差測定方法及び変位変換装置
US5438880A (en) * 1994-05-17 1995-08-08 United Technologies Corporation Electrostatic linear airspeed transducer
US5616846A (en) * 1994-10-27 1997-04-01 Kwasnik; Joseph W. Method and apparatus for current regulation and temperature compensation
US6879056B2 (en) * 2000-12-29 2005-04-12 Intel Corporation Converting sensed signals
DE10229703A1 (de) * 2002-07-02 2004-01-15 Endress + Hauser Gmbh + Co. Kg Kapazitiver Drucksensor
JP4525222B2 (ja) * 2004-07-21 2010-08-18 富士電機システムズ株式会社 静電容量式圧力測定装置
CN100427911C (zh) * 2006-11-03 2008-10-22 沈阳仪表科学研究院 电容差压传感器静压影响补偿方法
NL2003266A1 (nl) 2008-08-11 2010-02-15 Asml Holding Nv Multi nozzle proximity sensor employing common sensing and nozzle shaping.
US8234927B2 (en) * 2010-06-08 2012-08-07 Rosemount Inc. Differential pressure sensor with line pressure measurement
US9038476B2 (en) * 2012-09-27 2015-05-26 Rosemount Inc. Pressure transmitter with fill tube
US10309997B2 (en) * 2013-03-15 2019-06-04 Infineon Technologies Ag Apparatus and a method for generating a sensor signal indicating information on a capacitance of a variable capacitor comprising a variable capacitance
US11046575B2 (en) * 2017-10-31 2021-06-29 Encite Llc Broad range micro pressure sensor
EP3861312A1 (en) * 2018-10-05 2021-08-11 Avgi Engineering, Inc. Differential pressure transmitter with intrinsic verification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091683A (en) * 1976-09-27 1978-05-30 Panex, Inc. Single channel electrical comparative measuring system
US4370890A (en) * 1980-10-06 1983-02-01 Rosemount Inc. Capacitive pressure transducer with isolated sensing diaphragm
US4457179A (en) * 1981-03-16 1984-07-03 The Bendix Corporation Differential pressure measuring system
DE3414896A1 (de) * 1984-04-19 1985-10-24 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur verringerung der temperaturabhaengigkeit eines kapazitiven einkammerdifferenzdrucksensors
US4791352A (en) * 1986-07-17 1988-12-13 Rosemount Inc. Transmitter with vernier measurement
JP2544435B2 (ja) * 1988-04-06 1996-10-16 株式会社日立製作所 多機能センサ
US4878012A (en) * 1988-06-10 1989-10-31 Rosemount Inc. Charge balanced feedback transmitter
JPH047460A (ja) * 1990-04-24 1992-01-10 Matsushita Electric Works Ltd 床パネル

Also Published As

Publication number Publication date
US5163326A (en) 1992-11-17
WO1992015850A1 (en) 1992-09-17
JPH06507487A (ja) 1994-08-25
EP0574539A4 (enExample) 1994-02-23
EP0574539A1 (en) 1993-12-22
JP3190337B2 (ja) 2001-07-23
EP0574539B1 (en) 1997-05-14
CA2101440A1 (en) 1992-09-09
DE69219762D1 (de) 1997-06-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee