FR2514128A1 - Pont pneumatique de mesure - Google Patents

Pont pneumatique de mesure Download PDF

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Publication number
FR2514128A1
FR2514128A1 FR8118721A FR8118721A FR2514128A1 FR 2514128 A1 FR2514128 A1 FR 2514128A1 FR 8118721 A FR8118721 A FR 8118721A FR 8118721 A FR8118721 A FR 8118721A FR 2514128 A1 FR2514128 A1 FR 2514128A1
Authority
FR
France
Prior art keywords
flow
pressure drop
bridge
branches
pneumatic
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.)
Granted
Application number
FR8118721A
Other languages
English (en)
French (fr)
Other versions
FR2514128B1 (enExample
Inventor
Pierre Calvet
Bernard Platet
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 FR8118721A priority Critical patent/FR2514128A1/fr
Publication of FR2514128A1 publication Critical patent/FR2514128A1/fr
Application granted granted Critical
Publication of FR2514128B1 publication Critical patent/FR2514128B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3254—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a flow detector
    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/42—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using fluid means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/28—Measuring temperature based on the expansion or contraction of a material the material being a gas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
FR8118721A 1981-10-05 1981-10-05 Pont pneumatique de mesure Granted FR2514128A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8118721A FR2514128A1 (fr) 1981-10-05 1981-10-05 Pont pneumatique de mesure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8118721A FR2514128A1 (fr) 1981-10-05 1981-10-05 Pont pneumatique de mesure

Publications (2)

Publication Number Publication Date
FR2514128A1 true FR2514128A1 (fr) 1983-04-08
FR2514128B1 FR2514128B1 (enExample) 1985-03-15

Family

ID=9262746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8118721A Granted FR2514128A1 (fr) 1981-10-05 1981-10-05 Pont pneumatique de mesure

Country Status (1)

Country Link
FR (1) FR2514128A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0380967A3 (en) * 1989-01-25 1991-01-30 Svg Lithography Systems, Inc. Air gauge sensor
FR2691255A1 (fr) * 1992-05-13 1993-11-19 Snecma Dispositif de détection d'une fuite de carburant dans un échangeur de chaleur huile-carburant monté sur un circuit de lubrification d'un moteur.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2148466A1 (enExample) * 1971-08-07 1973-03-23 Fukuda Akira
US3791197A (en) * 1972-01-10 1974-02-12 A Eukuda Air leakage detector using a direct pressure system
FR2308090A1 (fr) * 1975-04-16 1976-11-12 Onera (Off Nat Aerospatiale) Perfectionnements aux procedes et dispositifs de mesure de debit de fluide
FR2431690A2 (fr) * 1978-07-18 1980-02-15 Guillemot Philippe Dispositif de mesure de pression fonctionnant en numerique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2148466A1 (enExample) * 1971-08-07 1973-03-23 Fukuda Akira
US3791197A (en) * 1972-01-10 1974-02-12 A Eukuda Air leakage detector using a direct pressure system
FR2308090A1 (fr) * 1975-04-16 1976-11-12 Onera (Off Nat Aerospatiale) Perfectionnements aux procedes et dispositifs de mesure de debit de fluide
FR2431690A2 (fr) * 1978-07-18 1980-02-15 Guillemot Philippe Dispositif de mesure de pression fonctionnant en numerique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0380967A3 (en) * 1989-01-25 1991-01-30 Svg Lithography Systems, Inc. Air gauge sensor
FR2691255A1 (fr) * 1992-05-13 1993-11-19 Snecma Dispositif de détection d'une fuite de carburant dans un échangeur de chaleur huile-carburant monté sur un circuit de lubrification d'un moteur.
US5320196A (en) * 1992-05-13 1994-06-14 Societe Nationale D'etude Et De Construction De Moteurs D'aviation (S.N.E.C.M.A.) Pressure system for detecting malfunctions of a fuel/oil heat exchanger

Also Published As

Publication number Publication date
FR2514128B1 (enExample) 1985-03-15

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