FR1077943A - Instruments for measuring small gas flow rates - Google Patents

Instruments for measuring small gas flow rates

Info

Publication number
FR1077943A
FR1077943A FR1077943DA FR1077943A FR 1077943 A FR1077943 A FR 1077943A FR 1077943D A FR1077943D A FR 1077943DA FR 1077943 A FR1077943 A FR 1077943A
Authority
FR
France
Prior art keywords
instruments
gas flow
flow rates
small gas
measuring small
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
Other languages
French (fr)
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.)
AUXILIAIRE DE VERIFICATION ET
Original Assignee
AUXILIAIRE DE VERIFICATION ET
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 AUXILIAIRE DE VERIFICATION ET filed Critical AUXILIAIRE DE VERIFICATION ET
Application granted granted Critical
Publication of FR1077943A publication Critical patent/FR1077943A/en
Expired 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
    • G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
    • G01F3/20—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows
    • G01F3/22—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows for gases
    • G01F3/227—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows for gases characterised by the means for transfer of membrane movement information to indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
FR1077943D 1953-05-30 1953-05-30 Instruments for measuring small gas flow rates Expired FR1077943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1077943T 1953-05-30

Publications (1)

Publication Number Publication Date
FR1077943A true FR1077943A (en) 1954-11-12

Family

ID=9608430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077943D Expired FR1077943A (en) 1953-05-30 1953-05-30 Instruments for measuring small gas flow rates

Country Status (1)

Country Link
FR (1) FR1077943A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019091A (en) * 1958-09-15 1962-01-30 Milton Roy Co Pneumatic programming system for colorimetric analyzers
US3119522A (en) * 1961-04-12 1964-01-28 Culligan Inc Metering device
US3208644A (en) * 1963-11-29 1965-09-28 Bergson Gustav Fluid metering apparatus
US3220608A (en) * 1964-03-03 1965-11-30 Porter Lancastrian Ltd Beverage dispensing system
US3227314A (en) * 1964-03-03 1966-01-04 Porter Lancastrian Ltd Delivering of measured quantities of pressurised liquids
US3370759A (en) * 1964-12-15 1968-02-27 Danfoss As Fluid dispenser with alternate discharge floating piston
FR2466765A1 (en) * 1979-09-27 1981-04-10 Daymard Jean Francois Self-contained automatic fluid leak tester - has car valve connected to rechargeable container having safety valve, tap and manometer
US4493709A (en) * 1982-01-25 1985-01-15 Quest Medical, Inc. Metering device for intravenous fluids
DE3716765A1 (en) * 1986-05-20 1987-11-26 Cobe Lab MEMBRANE WITH MAGNET
US4790937A (en) * 1986-05-20 1988-12-13 Cobe Laboratories, Inc. Diaphragm and chamber device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019091A (en) * 1958-09-15 1962-01-30 Milton Roy Co Pneumatic programming system for colorimetric analyzers
US3119522A (en) * 1961-04-12 1964-01-28 Culligan Inc Metering device
US3208644A (en) * 1963-11-29 1965-09-28 Bergson Gustav Fluid metering apparatus
US3220608A (en) * 1964-03-03 1965-11-30 Porter Lancastrian Ltd Beverage dispensing system
US3227314A (en) * 1964-03-03 1966-01-04 Porter Lancastrian Ltd Delivering of measured quantities of pressurised liquids
US3370759A (en) * 1964-12-15 1968-02-27 Danfoss As Fluid dispenser with alternate discharge floating piston
FR2466765A1 (en) * 1979-09-27 1981-04-10 Daymard Jean Francois Self-contained automatic fluid leak tester - has car valve connected to rechargeable container having safety valve, tap and manometer
US4493709A (en) * 1982-01-25 1985-01-15 Quest Medical, Inc. Metering device for intravenous fluids
DE3716765A1 (en) * 1986-05-20 1987-11-26 Cobe Lab MEMBRANE WITH MAGNET
US4775470A (en) * 1986-05-20 1988-10-04 Cobe Laboratories, Inc. Diaphragm with magnet
US4790937A (en) * 1986-05-20 1988-12-13 Cobe Laboratories, Inc. Diaphragm and chamber device

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