DE3369000D1 - Device for measuring the flow velocity of a medium - Google Patents

Device for measuring the flow velocity of a medium

Info

Publication number
DE3369000D1
DE3369000D1 DE8383200379T DE3369000T DE3369000D1 DE 3369000 D1 DE3369000 D1 DE 3369000D1 DE 8383200379 T DE8383200379 T DE 8383200379T DE 3369000 T DE3369000 T DE 3369000T DE 3369000 D1 DE3369000 D1 DE 3369000D1
Authority
DE
Germany
Prior art keywords
measuring
medium
flow velocity
differential amplifier
inputs
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
DE8383200379T
Other languages
German (de)
English (en)
Inventor
Putten Antonius Ferdinandu Van
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3369000D1 publication Critical patent/DE3369000D1/de
Expired 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
    • G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
  • Paper (AREA)
DE8383200379T 1983-03-18 1983-03-18 Device for measuring the flow velocity of a medium Expired DE3369000D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83200379A EP0119327B1 (en) 1983-03-18 1983-03-18 Device for measuring the flow velocity of a medium

Publications (1)

Publication Number Publication Date
DE3369000D1 true DE3369000D1 (en) 1987-02-12

Family

ID=8190938

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383200379T Expired DE3369000D1 (en) 1983-03-18 1983-03-18 Device for measuring the flow velocity of a medium

Country Status (5)

Country Link
US (1) US4548077A (enExample)
EP (1) EP0119327B1 (enExample)
JP (1) JPS59230166A (enExample)
AT (1) ATE24772T1 (enExample)
DE (1) DE3369000D1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637541A1 (de) * 1986-11-04 1988-05-05 Vdo Schindling Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung
US4771271A (en) * 1987-03-11 1988-09-13 Ford Motor Company Silicon based low level liquid sensor having a fast response time
US4884443A (en) * 1987-12-23 1989-12-05 Siemens-Bendix Automotive Electronics L. P. Control and detection circuitry for mass airflow sensors
JP3135245B2 (ja) * 1990-03-19 2001-02-13 株式会社日立製作所 パルス出力型熱線式空気流量計
US5237867A (en) * 1990-06-29 1993-08-24 Siemens Automotive L.P. Thin-film air flow sensor using temperature-biasing resistive element
US5231877A (en) * 1990-12-12 1993-08-03 University Of Cincinnati Solid state microanemometer
DE4219551C2 (de) * 1991-06-13 1996-04-18 Mks Japan Inc Massenströmungssensor
JP2846518B2 (ja) * 1992-03-18 1999-01-13 株式会社日立製作所 空気流量検出器及びそれを使用したエンジン制御装置
US5369247A (en) * 1992-10-29 1994-11-29 Doljack; Frank A. Self-regulating electrical heater system and method
DE4320326A1 (de) * 1993-06-18 1994-12-22 Siemens Ag Vorrichtung zur Messung einer radialen Gas- oder Flüssigkeitsströmung mit einer Wheatstone-Brücke von vier temperaturempfindlichen Widerständen
NL9301399A (nl) * 1993-08-12 1995-03-01 Mauritius Hendrikus Paulus Mar Drift eliminatie bij sensoren.
JPH0933555A (ja) * 1995-07-25 1997-02-07 Yamatake Honeywell Co Ltd 流体計測方法および流体計測装置
US6631638B2 (en) 2001-01-30 2003-10-14 Rosemount Aerospace Inc. Fluid flow sensor
DE10133120C2 (de) * 2001-07-07 2003-09-04 Draeger Medical Ag Hitzdrahtanemometer
DE102005000964B3 (de) * 2005-01-07 2006-07-06 Dräger Medical AG & Co. KG Vorrichtung und Verfahren zur Messung einer Volumenstromdifferenz
CN101294977B (zh) * 2007-04-25 2010-06-23 中国科学院电子学研究所 一种基于微机电技术的硅压阻式风速风向传感器
US20160370809A1 (en) * 2015-06-19 2016-12-22 Hni Technologies Inc. Fluid flow system
CN104950133B (zh) * 2015-07-06 2017-12-15 浙江大学 微流体流速传感芯片、检测系统及检测方法
NL1044072B1 (en) 2021-02-08 2022-09-05 Pascal F A M Van Putten Ir Method of operation for reduction of drift in a differential pressure sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429178A (en) * 1965-01-07 1969-02-25 Enoch J Durbin Measuring system
NL6907227A (enExample) * 1969-05-10 1970-11-12
GB1463507A (en) * 1973-12-28 1977-02-02 Agar Instr Apparatus for controlling a flow of a fluid additive
US3996799A (en) * 1975-09-29 1976-12-14 Putten Antonius Ferdinandus Pe Device for measuring the flow velocity of a medium

Also Published As

Publication number Publication date
JPH0349050B2 (enExample) 1991-07-26
EP0119327B1 (en) 1987-01-07
EP0119327A1 (en) 1984-09-26
JPS59230166A (ja) 1984-12-24
ATE24772T1 (de) 1987-01-15
US4548077A (en) 1985-10-22

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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