FR2193487A5 - - Google Patents

Info

Publication number
FR2193487A5
FR2193487A5 FR7226310A FR7226310A FR2193487A5 FR 2193487 A5 FR2193487 A5 FR 2193487A5 FR 7226310 A FR7226310 A FR 7226310A FR 7226310 A FR7226310 A FR 7226310A FR 2193487 A5 FR2193487 A5 FR 2193487A5
Authority
FR
France
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
FR7226310A
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR7226310A priority Critical patent/FR2193487A5/fr
Priority to GB3187173A priority patent/GB1396462A/en
Priority to US376416A priority patent/US3905230A/en
Priority to DE19732334319 priority patent/DE2334319C3/de
Priority to IT9557/73A priority patent/IT1013572B/it
Application granted granted Critical
Publication of FR2193487A5 publication Critical patent/FR2193487A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/16—Measuring arrangements giving results other than momentary value of variable, of general application giving a value which is a function of two or more values, e.g. product or ratio
    • 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
    • G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges
    • G01L21/10—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • 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
FR7226310A 1972-07-21 1972-07-21 Expired FR2193487A5 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7226310A FR2193487A5 (fr) 1972-07-21 1972-07-21
GB3187173A GB1396462A (en) 1972-07-21 1973-07-04 Method and device for measurement by active sensor
US376416A US3905230A (en) 1972-07-21 1973-07-05 Device for measurement by active sensor
DE19732334319 DE2334319C3 (de) 1972-07-21 1973-07-05 Vorrichtung zur Messung des Wärmeübergangskoeffizienten eines Messwertgebers
IT9557/73A IT1013572B (it) 1972-07-21 1973-07-19 Dispositivo di misura mediante captatore attivo in specie ter moresistente per la misura di pressioni ed altro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7226310A FR2193487A5 (fr) 1972-07-21 1972-07-21

Publications (1)

Publication Number Publication Date
FR2193487A5 true FR2193487A5 (fr) 1974-02-15

Family

ID=9102176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226310A Expired FR2193487A5 (fr) 1972-07-21 1972-07-21

Country Status (4)

Country Link
US (1) US3905230A (fr)
FR (1) FR2193487A5 (fr)
GB (1) GB1396462A (fr)
IT (1) IT1013572B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308090A1 (fr) * 1975-04-16 1976-11-12 Onera (Off Nat Aerospatiale) Perfectionnements aux procedes et dispositifs de mesure de debit de fluide
FR2374638A1 (fr) * 1976-12-20 1978-07-13 Potter Bronson M Dispositif de detection de fluides
FR2411019A1 (fr) * 1977-12-06 1979-07-06 Polyair Produkt Design Gmbh Fixation de securite pour skis
FR2486243A1 (fr) * 1979-03-09 1982-01-08 Emhart Ind Procede et appareil pour detecter la presence d'une substance sur la surface d'un liquide
WO1983000227A1 (en) * 1981-07-13 1983-01-20 Boegli, Jean-Charles Method and device for analyzing a fluid by means of a heated probe
WO1984002003A1 (fr) * 1982-11-18 1984-05-24 Collins Hans Juergen Procede et dispositif pour determiner si l'on a atteint ou depasse une valeur-limite exprimee en pourcentage d'une partie de liquide contenue dans un melange liquide et ayant une temperature d'evaporation inferieure
FR2573871A1 (fr) * 1984-11-23 1986-05-30 Electricite De France Procede et dispositif de detection de changement de phase
EP0529295A1 (fr) * 1991-08-22 1993-03-03 The Perkin-Elmer Corporation Détecteur de conductivité thermique à élément unique
EP0626573A2 (fr) * 1993-05-27 1994-11-30 The Fredericks Company Transducteur de vide à thermocouple à convection

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220041A (en) 1977-04-07 1980-09-02 Potter Bronson M Alien liquid detector and control
US4579002A (en) * 1984-10-31 1986-04-01 Varian Associates, Inc. Thermocouple vacuum gauge
CN1009579B (zh) * 1986-11-18 1990-09-12 张开逊 一个与温度变化有关量的pn结传感器
DE3639666A1 (de) * 1986-11-20 1988-06-01 Draegerwerk Ag Verfahren zur bestimmung einer messgroesse eines stroemenden mediums und messschaltung hierzu
US5551283A (en) * 1993-08-10 1996-09-03 Ricoh Seiki Company, Ltd. Atmosphere measuring device and flow sensor
EP0698786A1 (fr) * 1994-08-23 1996-02-28 RICOH SEIKI COMPANY, Ltd. Capteur de gaz et débitmètre
FR2745375B1 (fr) * 1996-02-28 1998-04-17 Sgs Thomson Microelectronics Procede de mesure de la vitesse d'ecoulement d'un fluide
US5654507A (en) * 1996-07-03 1997-08-05 Board Of Trustees Operating Michigan State University Pulse width modulated constant temperature anemometer
AU1402700A (en) * 1998-12-22 2000-07-12 Sensirion Ag Method and sensor for measuring a mass flow
US6542854B2 (en) * 1999-04-30 2003-04-01 Oracle Corporation Method and mechanism for profiling a system
JP3672082B2 (ja) * 2000-09-14 2005-07-13 理研計器株式会社 熱線式ガスセンサーを用いたガス検知警報装置
EP1327865A1 (fr) * 2002-01-14 2003-07-16 Abb Research Ltd. Méthode pour mesure de débit massique thermique avec des pulsations de chaleur non-constantes
CN100567909C (zh) * 2005-01-26 2009-12-09 西斯泰克控制测量及工程股份有限公司 动态压力探测器
DE102005041427A1 (de) * 2005-08-31 2007-03-01 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Sensorsimulator
US7387022B1 (en) 2007-05-02 2008-06-17 Honeywell International Inc. Thermal mass flow transducer including PWM-type heater current driver
JP5078529B2 (ja) * 2007-09-28 2012-11-21 キヤノン株式会社 インクジェット記録ヘッドおよびそれを備えるインクジェット記録装置
ITVI20110216A1 (it) 2011-08-02 2013-02-03 St Microelectronics Srl Sistema elettronico comprendente una struttura di sensore ed un'interfaccia analogica collegata ad essa con un intervallo di esercizio indipendente dal sensore
US9835574B2 (en) 2014-07-02 2017-12-05 Stmicroelectronics S.R.L. Gas measurement device and measurement method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216249A (en) * 1961-05-18 1965-11-09 Johnson Service Co Differential pressure responsive signal circuit
US3246523A (en) * 1963-12-10 1966-04-19 Joseph D Richard Pressure rate measuring apparatus
US3498128A (en) * 1965-06-28 1970-03-03 Pierre Jean Felix Calvet Apparatus for measuring a physical quantity by the use of pulsed energy
FR1577448A (fr) * 1968-05-22 1969-08-08
US3719083A (en) * 1970-04-01 1973-03-06 Nat Res Dev Flowmeters

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308090A1 (fr) * 1975-04-16 1976-11-12 Onera (Off Nat Aerospatiale) Perfectionnements aux procedes et dispositifs de mesure de debit de fluide
FR2374638A1 (fr) * 1976-12-20 1978-07-13 Potter Bronson M Dispositif de detection de fluides
FR2411019A1 (fr) * 1977-12-06 1979-07-06 Polyair Produkt Design Gmbh Fixation de securite pour skis
FR2486243A1 (fr) * 1979-03-09 1982-01-08 Emhart Ind Procede et appareil pour detecter la presence d'une substance sur la surface d'un liquide
WO1983000227A1 (en) * 1981-07-13 1983-01-20 Boegli, Jean-Charles Method and device for analyzing a fluid by means of a heated probe
EP0070801A1 (fr) * 1981-07-13 1983-01-26 Battelle Memorial Institute Procédé pour déterminer au moins un paramètre instantané d'un fluide lié à l'échange thermique d'une sonde immergée dans ce fluide et dispositif pour la mise en oeuvre de ce procédé
WO1984002003A1 (fr) * 1982-11-18 1984-05-24 Collins Hans Juergen Procede et dispositif pour determiner si l'on a atteint ou depasse une valeur-limite exprimee en pourcentage d'une partie de liquide contenue dans un melange liquide et ayant une temperature d'evaporation inferieure
FR2573871A1 (fr) * 1984-11-23 1986-05-30 Electricite De France Procede et dispositif de detection de changement de phase
EP0183615A2 (fr) * 1984-11-23 1986-06-04 Electricite De France Procédé et dispositif de détection de changement de phase
EP0183615A3 (en) * 1984-11-23 1987-09-30 Electricite De France Service National Method and device for the detection of changes of phase
EP0529295A1 (fr) * 1991-08-22 1993-03-03 The Perkin-Elmer Corporation Détecteur de conductivité thermique à élément unique
US5265459A (en) * 1991-08-22 1993-11-30 The Perkin Elmer Corporation Single-element thermal conductivity detector
EP0626573A2 (fr) * 1993-05-27 1994-11-30 The Fredericks Company Transducteur de vide à thermocouple à convection
EP0626573A3 (fr) * 1993-05-27 1995-03-29 Fredericks Co Transducteur de vide à thermocouple à convection.

Also Published As

Publication number Publication date
US3905230A (en) 1975-09-16
DE2334319A1 (de) 1974-02-07
DE2334319B2 (de) 1976-08-12
GB1396462A (en) 1975-06-04
IT1013572B (it) 1977-03-30

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Legal Events

Date Code Title Description
ST Notification of lapse