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GB2091429A - Device for measuring and controlling gas flow rates - Google Patents

Device for measuring and controlling gas flow rates

Info

Publication number
GB2091429A
GB2091429A GB8205215A GB8205215A GB2091429A GB 2091429 A GB2091429 A GB 2091429A GB 8205215 A GB8205215 A GB 8205215A GB 8205215 A GB8205215 A GB 8205215A GB 2091429 A GB2091429 A GB 2091429A
Authority
GB
United Kingdom
Prior art keywords
housing
flow rates
flow rate
gas flow
measuring
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
GB8205215A
Other versions
GB2091429B (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.)
ST Dupont SA
Original Assignee
ST Dupont SA
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
Priority claimed from FR8014734A external-priority patent/FR2486234A1/en
Priority claimed from FR8025469A external-priority patent/FR2495316A2/en
Application filed by ST Dupont SA filed Critical ST Dupont SA
Publication of GB2091429A publication Critical patent/GB2091429A/en
Application granted granted Critical
Publication of GB2091429B publication Critical patent/GB2091429B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F1/05—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 mechanical effects
    • G01F1/34—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 mechanical effects by measuring pressure or differential pressure
    • G01F1/36—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • 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
    • G01F1/72—Devices for measuring pulsing fluid flows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The present device is of the type comprising a first and a second housings (1 and 2), separated by at least one resiliently deformable partition wall (3), and at least one pressure gas source connected directly to the first housing and, through a flow rate limiter (6), to the second housing (2), said second housing (2) comprising means (9) allowing to connect this second housing to the system (10) of which the flow rate is to be measured. This device comprises direct supply means (7) for the system (10) from the pressure gas source, said supply means being provided with a control (8) allowing to cut off said supply during the control operation of the gas flow rate of the system (10). This device is particularly intended to the control or measurement of low flow rates.
GB8205215A 1980-07-02 1981-07-02 Device for measuring and controlling gas flow rates Expired GB2091429B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8014734A FR2486234A1 (en) 1980-07-02 1980-07-02 Gas flow meter and monitor with deformable membrane - has two housings separated by resilient membrane where gas source is connected directly to one housing and via limiter to other
FR8025469A FR2495316A2 (en) 1980-12-01 1980-12-01 Gas flow meter and monitor with deformable membrane - has two housings separated by resilient membrane where gas source is connected directly to one housing and via limiter to other

Publications (2)

Publication Number Publication Date
GB2091429A true GB2091429A (en) 1982-07-28
GB2091429B GB2091429B (en) 1984-08-15

Family

ID=26221875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8205215A Expired GB2091429B (en) 1980-07-02 1981-07-02 Device for measuring and controlling gas flow rates

Country Status (2)

Country Link
GB (1) GB2091429B (en)
WO (1) WO1982000197A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188158A (en) * 1986-03-20 1987-09-23 Cambridge Instr Inc Flowmeter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2974628B1 (en) 2011-04-28 2013-12-27 Commissariat Energie Atomique MICRODEBITMETER AND METHOD FOR PRODUCING THE SAME

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977991A (en) * 1958-01-27 1961-04-04 Honeywell Regulator Co Controller
FR1230008A (en) * 1959-03-27 1960-09-13 Creusot Forges Ateliers Liquid pressure difference detector, with double-acting manometric taps
US3224020A (en) * 1962-01-05 1965-12-21 Hitachi Ltd Differental pressure transducers
JPS5513842A (en) * 1978-07-14 1980-01-31 Eisai Co Ltd Check unit for milking of udders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188158A (en) * 1986-03-20 1987-09-23 Cambridge Instr Inc Flowmeter

Also Published As

Publication number Publication date
GB2091429B (en) 1984-08-15
WO1982000197A1 (en) 1982-01-21

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee