IT1219317B - Rilevatore di pressione a compensazione numerica - Google Patents

Rilevatore di pressione a compensazione numerica

Info

Publication number
IT1219317B
IT1219317B IT67467/88A IT6746788A IT1219317B IT 1219317 B IT1219317 B IT 1219317B IT 67467/88 A IT67467/88 A IT 67467/88A IT 6746788 A IT6746788 A IT 6746788A IT 1219317 B IT1219317 B IT 1219317B
Authority
IT
Italy
Prior art keywords
numeric
pressure detector
compensation pressure
compensation
detector
Prior art date
Application number
IT67467/88A
Other languages
English (en)
Other versions
IT8867467A0 (it
Inventor
Pierre Olivier Lefort
Original Assignee
Crouzet Sa
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 Crouzet Sa filed Critical Crouzet Sa
Publication of IT8867467A0 publication Critical patent/IT8867467A0/it
Application granted granted Critical
Publication of IT1219317B publication Critical patent/IT1219317B/it

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
    • G01L1/22—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 using resistance strain gauges
    • G01L1/2268—Arrangements for correcting or for compensating unwanted effects
    • G01L1/2281—Arrangements for correcting or for compensating unwanted effects for temperature variations
    • 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
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
    • G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm
    • 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
    • G01L9/02—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 ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—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 ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
    • G01L9/065—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 ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices with temperature compensating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Force In General (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
IT67467/88A 1987-05-22 1988-05-20 Rilevatore di pressione a compensazione numerica IT1219317B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8707291A FR2615618B1 (fr) 1987-05-22 1987-05-22 Capteur de pression a compensation numerique

Publications (2)

Publication Number Publication Date
IT8867467A0 IT8867467A0 (it) 1988-05-20
IT1219317B true IT1219317B (it) 1990-05-03

Family

ID=9351399

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67467/88A IT1219317B (it) 1987-05-22 1988-05-20 Rilevatore di pressione a compensazione numerica

Country Status (4)

Country Link
DE (1) DE3817336A1 (it)
FR (1) FR2615618B1 (it)
GB (1) GB2205953B (it)
IT (1) IT1219317B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912280A1 (de) * 1989-04-14 1990-10-18 Bosch Gmbh Robert Verfahren zum herstellen eines sensors zum bestimmen von druckkraeften
GB9100708D0 (en) * 1991-01-12 1991-02-27 Westland Aerostructures Ltd System for measuring two variable quantities
FR2679652B1 (fr) * 1991-07-26 1993-11-12 Schlumberger Services Petroliers Procede pour corriger de l'influence de la temperature les mesures d'une jauge de pression.
US5588308A (en) * 1995-08-21 1996-12-31 Air Products And Chemicals, Inc. Recompression cycle for recovery of natural gas liquids
US6422088B1 (en) 1999-09-24 2002-07-23 Denso Corporation Sensor failure or abnormality detecting system incorporated in a physical or dynamic quantity detecting apparatus
US6681637B2 (en) 2000-07-20 2004-01-27 Vega Grieshaber Kg Pressure-measuring cell with a temperature sensor
DE10035346B4 (de) * 2000-07-20 2007-08-09 Vega Grieshaber Kg Druckmesszelle mit Temperatursensor
DE10044078A1 (de) * 2000-09-07 2002-04-04 Grieshaber Vega Kg Druckmesszelle mit Temperatursensoren und Druckmessverfahren
US6698294B2 (en) 2000-09-07 2004-03-02 Vega Grieshaber Kg Pressure cell with temperature sensors and pressure measuring method
EP2499469A1 (en) 2009-11-09 2012-09-19 Koninklijke Philips Electronics N.V. Flow sensing method with temperature compensation
CN102597719B (zh) * 2009-11-09 2016-01-20 皇家飞利浦电子股份有限公司 具有温度补偿的流体感测装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130578A (en) * 1961-08-18 1964-04-28 Fairchild Camera Instr Co Strain gauge bridge calibration
US4320664A (en) * 1980-02-25 1982-03-23 Texas Instruments Incorporated Thermally compensated silicon pressure sensor
US4321832A (en) * 1980-03-07 1982-03-30 Rockwell International Corporation High accuracy measuring apparatus
US4437164A (en) * 1981-03-05 1984-03-13 Bristol Babcock Inc. Ridge circuit compensation for environmental effects
CA1171178A (en) * 1981-05-19 1984-07-17 Dennis K. Briefer Temperature compensated measuring system
JPS58114199A (ja) * 1981-12-26 1983-07-07 株式会社東芝 ２線式圧力差圧伝送器
FR2545605B1 (fr) * 1983-05-03 1985-10-11 Sedeme Dispositif de mesure a jauges de contrainte, notamment pour la mesure de pression
DE3339349A1 (de) * 1983-10-29 1985-05-09 Meditec GmbH, 8501 Heroldsberg Kennliniengeber
JP2579143B2 (ja) * 1984-02-02 1997-02-05 ハネウエル・インコーポレーテッド プロセス変数センサのディジタル補正の方法およびそのためのプロセス変数発信器
DE3427743A1 (de) * 1984-07-27 1986-02-06 Keller AG für Druckmeßtechnik, Winterthur Verfahren zur temperaturkompensation und messschaltung hierfuer
JPS61159127A (ja) * 1985-01-07 1986-07-18 Agency Of Ind Science & Technol 半導体圧力センサの非直線性補償装置

Also Published As

Publication number Publication date
FR2615618B1 (fr) 1990-11-30
DE3817336A1 (de) 1988-12-15
GB2205953A (en) 1988-12-21
IT8867467A0 (it) 1988-05-20
FR2615618A1 (fr) 1988-11-25
GB8812166D0 (en) 1988-06-29
GB2205953B (en) 1991-03-13

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