FR2514128B1 - - Google Patents

Info

Publication number
FR2514128B1
FR2514128B1 FR8118721A FR8118721A FR2514128B1 FR 2514128 B1 FR2514128 B1 FR 2514128B1 FR 8118721 A FR8118721 A FR 8118721A FR 8118721 A FR8118721 A FR 8118721A FR 2514128 B1 FR2514128 B1 FR 2514128B1
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
FR8118721A
Other languages
French (fr)
Other versions
FR2514128A1 (en
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/en
Publication of FR2514128A1 publication Critical patent/FR2514128A1/en
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
FR8118721A 1981-10-05 1981-10-05 Pneumatic measuring bridge e.g. for gas temp. - has two branches each including enclosure imposing load loss as function of flow, and supply providing alternate flow Granted FR2514128A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8118721A FR2514128A1 (en) 1981-10-05 1981-10-05 Pneumatic measuring bridge e.g. for gas temp. - has two branches each including enclosure imposing load loss as function of flow, and supply providing alternate flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8118721A FR2514128A1 (en) 1981-10-05 1981-10-05 Pneumatic measuring bridge e.g. for gas temp. - has two branches each including enclosure imposing load loss as function of flow, and supply providing alternate flow

Publications (2)

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

Family

ID=9262746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8118721A Granted FR2514128A1 (en) 1981-10-05 1981-10-05 Pneumatic measuring bridge e.g. for gas temp. - has two branches each including enclosure imposing load loss as function of flow, and supply providing alternate flow

Country Status (1)

Country Link
FR (1) FR2514128A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4953388A (en) * 1989-01-25 1990-09-04 The Perkin-Elmer Corporation Air gauge sensor
FR2691255B1 (en) * 1992-05-13 1994-07-01 Snecma DEVICE FOR DETECTING A FUEL LEAKAGE IN AN OIL-FUEL HEAT EXCHANGER MOUNTED ON A LUBRICATION CIRCUIT OF AN ENGINE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT974631B (en) * 1971-08-07 1974-07-10 Fukuda A METHOD FOR DETECTION OF THE HERMIC TIGHTNESS OF OBJECTS AND DEVICE FOR ITS REALIZATION
JPS4883882U (en) * 1972-01-10 1973-10-12
FR2308090A1 (en) * 1975-04-16 1976-11-12 Onera (Off Nat Aerospatiale) Fluid flow determination using thermoresistances - has electrical heating pulses applied to resistances in flow channels
FR2431690A2 (en) * 1978-07-18 1980-02-15 Guillemot Philippe Digital pressure cell for depth measurement - counts successive steps as fixed pressure increment or decrement is detected

Also Published As

Publication number Publication date
FR2514128A1 (en) 1983-04-08

Similar Documents

Publication Publication Date Title
DE3206763C2 (en)
FR2498159B1 (en)
DE3211502C2 (en)
DE3213628C2 (en)
FR2499717B1 (en)
DE3121847C2 (en)
DE3209572C2 (en)
DE3126899C2 (en)
FR2499263B1 (en)
FR2498428B1 (en)
DE3151280C2 (en)
DE3151369C2 (en)
DE3245811C2 (en)
DE3144737C2 (en)
FR2499980B1 (en)
DE3106138C2 (en)
FR2499231B1 (en)
DE3120961C2 (en)
FR2498768B3 (en)
FR2499864B1 (en)
FR2498317B1 (en)
FR2499702B3 (en)
FR2498803B3 (en)
DE3104228C3 (en)
FR2499552B1 (en)

Legal Events

Date Code Title Description
ST Notification of lapse