FR2745375B1 - Procede de mesure de la vitesse d'ecoulement d'un fluide - Google Patents

Procede de mesure de la vitesse d'ecoulement d'un fluide

Info

Publication number
FR2745375B1
FR2745375B1 FR9602838A FR9602838A FR2745375B1 FR 2745375 B1 FR2745375 B1 FR 2745375B1 FR 9602838 A FR9602838 A FR 9602838A FR 9602838 A FR9602838 A FR 9602838A FR 2745375 B1 FR2745375 B1 FR 2745375B1
Authority
FR
France
Prior art keywords
fluid
measuring
flow speed
speed
flow
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
FR9602838A
Other languages
English (en)
Other versions
FR2745375A1 (fr
Inventor
Van Suu Maurice Gilbert Le
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.)
STMicroelectronics SA
Original Assignee
SGS Thomson Microelectronics 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 SGS Thomson Microelectronics SA filed Critical SGS Thomson Microelectronics SA
Priority to FR9602838A priority Critical patent/FR2745375B1/fr
Priority to US08/801,604 priority patent/US5783757A/en
Publication of FR2745375A1 publication Critical patent/FR2745375A1/fr
Application granted granted Critical
Publication of FR2745375B1 publication Critical patent/FR2745375B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
FR9602838A 1996-02-28 1996-02-28 Procede de mesure de la vitesse d'ecoulement d'un fluide Expired - Fee Related FR2745375B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9602838A FR2745375B1 (fr) 1996-02-28 1996-02-28 Procede de mesure de la vitesse d'ecoulement d'un fluide
US08/801,604 US5783757A (en) 1996-02-28 1997-02-13 Methods and apparatus for measuring a speed of flow of a fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9602838A FR2745375B1 (fr) 1996-02-28 1996-02-28 Procede de mesure de la vitesse d'ecoulement d'un fluide

Publications (2)

Publication Number Publication Date
FR2745375A1 FR2745375A1 (fr) 1997-08-29
FR2745375B1 true FR2745375B1 (fr) 1998-04-17

Family

ID=9489926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9602838A Expired - Fee Related FR2745375B1 (fr) 1996-02-28 1996-02-28 Procede de mesure de la vitesse d'ecoulement d'un fluide

Country Status (2)

Country Link
US (1) US5783757A (fr)
FR (1) FR2745375B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6085588A (en) * 1998-05-12 2000-07-11 Therm-O-Disc, Incorporated Flow rate sensor
US7409875B1 (en) 2006-12-04 2008-08-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration System and method for determining velocity of electrically conductive fluid
US7387022B1 (en) 2007-05-02 2008-06-17 Honeywell International Inc. Thermal mass flow transducer including PWM-type heater current driver
DE102008041026A1 (de) * 2008-08-06 2010-02-11 Robert Bosch Gmbh Verfahren zur Bestimmung der Temperatur und des Volumenstroms eines Fluids sowie Schaltungsanordnung und Motorsteuergerät
JP5556200B2 (ja) * 2009-02-17 2014-07-23 パナソニック株式会社 換気装置
US9494470B2 (en) * 2014-03-20 2016-11-15 Varian Semiconductor Equipment Associates, Inc. Thermistor based measurement system
CN110058046B (zh) * 2019-04-23 2021-02-12 中国大唐集团科学技术研究院有限公司华东电力试验研究院 一种基于对流传热的流体流速测量方法及装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193487A5 (fr) * 1972-07-21 1974-02-15 Onera (Off Nat Aerospatiale)
US4043196A (en) * 1976-02-09 1977-08-23 Technology Incorporated Method and apparatus for effecting fluid flow measurement in a single sensor
US4450719A (en) * 1982-10-13 1984-05-29 Hitachi, Ltd. Air flow meter
CA1255923A (fr) * 1985-12-23 1989-06-20 Dimitri Petrov Debitmetre thermodynamique a libre circulation
US4848147A (en) * 1987-07-10 1989-07-18 Bailey James L Thermal transient anemometer
US5207094A (en) * 1989-09-20 1993-05-04 Robert Bosch Gmbh Method and apparatus for controlling the temperature of a heated measuring resistor
US5117691A (en) * 1990-03-12 1992-06-02 The John Hopkins University Heated element velocimeter
JP2816758B2 (ja) * 1990-09-07 1998-10-27 株式会社日立製作所 ファジイ推論を用いた流量測定装置及び方法
JP2682348B2 (ja) * 1992-09-17 1997-11-26 株式会社日立製作所 空気流量計及び空気流量検出方法
EP0698786A1 (fr) * 1994-08-23 1996-02-28 RICOH SEIKI COMPANY, Ltd. Capteur de gaz et débitmètre
US5457626A (en) * 1994-09-01 1995-10-10 Dionex Corporation Bimodal liquid chromatography pump employing artificial intelligence logic feedback control
US5493100A (en) * 1994-12-28 1996-02-20 Pacesetter, Inc. Thermistor flow sensor and related method

Also Published As

Publication number Publication date
US5783757A (en) 1998-07-21
FR2745375A1 (fr) 1997-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20071030