CA1008697A - Directional fluid flow transducer - Google Patents

Directional fluid flow transducer

Info

Publication number
CA1008697A
CA1008697A CA189,411A CA189411A CA1008697A CA 1008697 A CA1008697 A CA 1008697A CA 189411 A CA189411 A CA 189411A CA 1008697 A CA1008697 A CA 1008697A
Authority
CA
Canada
Prior art keywords
fluid flow
flow transducer
directional fluid
directional
transducer
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
CA189,411A
Other languages
English (en)
Other versions
CA189411S (en
Inventor
Robert S. Djorup
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.)
ENVIRONMENTAL INSTRUMENTS
Original Assignee
ENVIRONMENTAL INSTRUMENTS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23289597&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1008697(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ENVIRONMENTAL INSTRUMENTS filed Critical ENVIRONMENTAL INSTRUMENTS
Application granted granted Critical
Publication of CA1008697A publication Critical patent/CA1008697A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
    • 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
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
    • G01F1/692—Thin-film arrangements
    • 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
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • 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)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
CA189,411A 1973-02-07 1974-01-03 Directional fluid flow transducer Expired CA1008697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US330400A US3900819A (en) 1973-02-07 1973-02-07 Thermal directional fluid flow transducer

Publications (1)

Publication Number Publication Date
CA1008697A true CA1008697A (en) 1977-04-19

Family

ID=23289597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,411A Expired CA1008697A (en) 1973-02-07 1974-01-03 Directional fluid flow transducer

Country Status (12)

Country Link
US (1) US3900819A (de)
JP (1) JPS5533550B2 (de)
AU (1) AU460873B2 (de)
BE (1) BE809025A (de)
CA (1) CA1008697A (de)
CH (1) CH577163A5 (de)
DE (1) DE2403908C3 (de)
FR (1) FR2216583B1 (de)
GB (1) GB1455591A (de)
IL (1) IL44066A (de)
IT (1) IT1002728B (de)
LU (1) LU69198A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996799A (en) * 1975-09-29 1976-12-14 Putten Antonius Ferdinandus Pe Device for measuring the flow velocity of a medium
US4123938A (en) * 1976-05-19 1978-11-07 University Patents, Inc. Device for measuring thermal parameters
US4024761A (en) * 1976-06-11 1977-05-24 Kyma Corporation Directional hot film anemometer transducer
DE2728060A1 (de) * 1977-06-22 1979-01-18 Bosch Gmbh Robert Messonde mit temperaturabhaengigem widerstand zur mengenmessung
DE2804850C2 (de) * 1978-02-04 1983-11-17 Degussa Ag, 6000 Frankfurt Vorrichtung zur Messung der Strömungsgeschwindigkeit von Gasen
DE2827766C2 (de) * 1978-06-24 1983-10-13 Degussa Ag, 6000 Frankfurt Hitzdrahtanemometer zur Messung der Strömungsgeschwindigkeit von Gasen und Flüssigkeiten
US4206638A (en) * 1978-12-06 1980-06-10 Djorup Robert Sonny Directional heat loss anemometer transducer
DE2900210A1 (de) * 1979-01-04 1980-07-17 Bosch Gmbh Robert Vorrichtung zur messung der masse eines stroemenden mediums
DE2933116A1 (de) * 1979-08-16 1981-02-26 Rico Ges Fuer Microelektronik Einrichtung zur messung des atemluftstromes von patienten
US4279147A (en) * 1980-01-10 1981-07-21 Djorup Robert Sonny Directional heat loss anemometer transducer
US4399697A (en) * 1980-03-26 1983-08-23 Nippon Soken, Inc. Gas flow measuring apparatus
US4389876A (en) * 1980-08-26 1983-06-28 Honeywell Inc. Temperature sensor and detector cell utilizing the same
JPS57173758A (en) * 1981-04-20 1982-10-26 Hitachi Ltd Hot wire type current meter
JPS5872059A (ja) * 1981-10-09 1983-04-28 ハネウエル・インコ−ポレ−テツド 半導体装置、流量計及びその製造方法
DE3229844A1 (de) * 1982-08-11 1984-02-16 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines stroemenden mediums und verfahren zur herstellung einer vorrichtung zur messung der masse eines stroemenden mediums
US4433576A (en) * 1982-09-20 1984-02-28 General Motors Corporation Mass airflow sensor
DE3302080A1 (de) * 1983-01-22 1984-07-26 Leybold-Heraeus GmbH, 5000 Köln Thermischer massendurchflussmesser, insbesondere fuer gase
DE3303885A1 (de) * 1983-02-05 1984-08-09 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines stroemenden mediums
DE3328853C2 (de) * 1983-08-10 1994-07-14 Bosch Gmbh Robert Vorrichtung zur Messung der Masse eines strömenden Mediums
DE3328852A1 (de) * 1983-08-10 1985-02-28 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines stroemenden mediums
DE3331203C2 (de) * 1983-08-30 1987-05-07 Securiton AG, Zollikofen, Bern Vorrichtung zur Überwachung der Geschwindigkeit eines Gasstromes in einem Kanal
JPS60203858A (ja) * 1984-03-29 1985-10-15 Toshiba Corp 半導体流速検出器
JPS60236024A (ja) * 1984-05-09 1985-11-22 Nippon Soken Inc 直熱型空気流量センサ
DE3504082A1 (de) * 1985-02-07 1986-08-07 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur messung der masse eines stroemenden mediums
US4794795A (en) * 1986-05-23 1989-01-03 Djorup Robert Sonny Directional thermal anemometer transducer
JPS63233325A (ja) * 1986-08-22 1988-09-29 Hitachi Ltd 熱膜式流量計用感温抵抗体
US4794794A (en) * 1986-10-30 1989-01-03 Djorup Robert Sonny Thermal anemometer
US4787251A (en) * 1987-07-15 1988-11-29 Tsi Incorporated Directional low differential pressure transducer
DE3838466C2 (de) * 1988-01-16 1995-11-16 Bosch Gmbh Robert Luftmassenmeßvorrichtung und Verfahren zur Herstellung einer Luftmassenmeßvorrichtung
US5146536A (en) * 1988-11-07 1992-09-08 Westover Brooke N High temperature electric air heater with tranversely mounted PTC resistors
DE3935778A1 (de) * 1989-10-27 1990-10-31 Daimler Benz Ag Vorrichtung zur messung der masse eines stroemenden mediums
JP2564415B2 (ja) * 1990-04-18 1996-12-18 株式会社日立製作所 空気流量検出器
US5069066A (en) * 1990-05-10 1991-12-03 Djorup Robert Sonny Constant temperature anemometer
US5218865A (en) * 1990-08-16 1993-06-15 Djorup Robert Sonny Thermal anemometer transducer wind set
JPH05215583A (ja) * 1992-02-04 1993-08-24 Mitsubishi Electric Corp 感熱式流量センサ
FR2733826B1 (fr) * 1995-05-04 1997-07-18 Telecommunications Sa Debimetre pour fluide et capteur de debit pour le debimetre
DE19609167A1 (de) * 1996-03-09 1997-09-18 Dieter Dr Ing Huhnke Dünnfilm-Mehrschichtsensor zur Messung von Gastemperaturen, Gasgeschwindigkeiten und Infrarotstrahlung
US6134958A (en) * 1998-05-27 2000-10-24 Robert S. Djorup Thermal anemometer aircraft airspeed gust component transducer
US6502459B1 (en) * 2000-09-01 2003-01-07 Honeywell International Inc. Microsensor for measuring velocity and angular direction of an incoming air stream
SI24577A (sl) * 2013-12-13 2015-06-30 Univerza v Ljubljani, Fakulteta za strojništvo - LMPS Termiäťni merilnik masnega toka in metoda identifikacije vrste plina
DE102013021305B3 (de) 2013-12-19 2014-10-30 Krohne Messtechnik Gmbh Schaltungsanordnung zur Temperaturüberwachung und kalorimetrisches Massedurchflussmessgerät
CN108697353A (zh) * 2016-02-04 2018-10-23 迈迪瑞股份公司 传感器装置和包括传感器装置的导管

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950995A (en) * 1957-03-18 1960-08-30 Beckman Instruments Inc Electrical resistance element
US3105136A (en) * 1960-02-02 1963-09-24 Ashenfard Samuel Heat exchange system and heating element therefor
US3213402A (en) * 1961-03-28 1965-10-19 Tassara Luigi Encapsulated high precision resistor
US3333470A (en) * 1964-06-01 1967-08-01 Thermo Systems Inc Method and apparatus for sensing fluid properties
US3363462A (en) * 1964-09-30 1968-01-16 Cullen M. Sabin Fluid anemometer system
US3352154A (en) * 1965-06-16 1967-11-14 Robert S Djorup Heated element fluid flow sensor
US3411123A (en) * 1966-05-10 1968-11-12 Gen Electric Pyrolytic graphite electrical resistance element
US3604261A (en) * 1969-06-16 1971-09-14 Thermo Systems Inc Multidirectional thermal anemometer sensor
US3603147A (en) * 1969-11-05 1971-09-07 Thermo Systems Inc Pulsed anemometer circuit
US3677085A (en) * 1970-04-08 1972-07-18 Yugen Kaisha Tsukasa Sokken Tandem-type hot-wire velocity meter probe
JPS493705U (de) * 1972-04-14 1974-01-12

Also Published As

Publication number Publication date
LU69198A1 (de) 1974-04-08
AU460873B2 (en) 1975-05-08
CH577163A5 (de) 1976-06-30
IL44066A0 (en) 1974-05-16
BE809025A (fr) 1974-04-16
DE2403908C3 (de) 1986-03-27
DE2403908B2 (de) 1980-01-17
JPS5533550B2 (de) 1980-09-01
IL44066A (en) 1976-08-31
DE2403908A1 (de) 1974-08-22
US3900819A (en) 1975-08-19
IT1002728B (it) 1976-05-20
FR2216583A1 (de) 1974-08-30
GB1455591A (en) 1976-11-17
AU6450574A (en) 1975-05-08
FR2216583B1 (de) 1976-05-07
JPS49113665A (de) 1974-10-30

Similar Documents

Publication Publication Date Title
AU460873B2 (en) Directional fluid flow transducer
CA984171A (en) Fluid flow meter
CA1000588A (en) Fluid control valve
CA1018431A (en) Hydraulic motor fluid flow circuitry
CA991155A (en) Fluid flow control valves
CA1000163A (en) Fluid couplings
CA1008437A (en) Fluid control valve
CA955858A (en) Directional flow fluid filter
CA1006967A (en) Ultrasonic system for fluid flow measurement
CA1007139A (en) Fluid flow control valve
CA989124A (en) Fluid flow wand assembly
CA992753A (en) Fluid flow control system
CA999210A (en) Fluid flow control valve
AU473069B2 (en) Fluid valves
CA1012525A (en) Pressure fluid valve
CA986388A (en) Fluid flow control valves
CA975577A (en) Flow transducer
CA1010366A (en) Fluid resistor
CA1016039A (en) Fluid control valve
AU483249B2 (en) Fluid flowmeter
CA896267A (en) Fluid flow damper arrangement
AU7975675A (en) Fluid flow control device
AU7626774A (en) Fluid flowmeter
AU471124B2 (en) Trickle rate fluid outlet
ZA743379B (en) Directional fluid flow transducer