FR2495316A2 - Dispositif de mesure et de controle de debits gazeux - Google Patents

Dispositif de mesure et de controle de debits gazeux Download PDF

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Publication number
FR2495316A2
FR2495316A2 FR8025469A FR8025469A FR2495316A2 FR 2495316 A2 FR2495316 A2 FR 2495316A2 FR 8025469 A FR8025469 A FR 8025469A FR 8025469 A FR8025469 A FR 8025469A FR 2495316 A2 FR2495316 A2 FR 2495316A2
Authority
FR
France
Prior art keywords
control
enclosure
membrane
gas flow
flow
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
FR8025469A
Other languages
English (en)
French (fr)
Other versions
FR2495316B2 (enExample
Inventor
Laurent Guadagnin
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.)
Cricket SA
Original Assignee
Cricket 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
Application filed by Cricket SA filed Critical Cricket SA
Priority to FR8025469A priority Critical patent/FR2495316A2/fr
Priority to PCT/FR1981/000088 priority patent/WO1982000197A1/fr
Priority to GB8205215A priority patent/GB2091429B/en
Publication of FR2495316A2 publication Critical patent/FR2495316A2/fr
Application granted granted Critical
Publication of FR2495316B2 publication Critical patent/FR2495316B2/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
FR8025469A 1980-07-02 1980-12-01 Dispositif de mesure et de controle de debits gazeux Granted FR2495316A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8025469A FR2495316A2 (fr) 1980-12-01 1980-12-01 Dispositif de mesure et de controle de debits gazeux
PCT/FR1981/000088 WO1982000197A1 (fr) 1980-07-02 1981-07-02 Dispositif de mesure et de controle de debits gazeux
GB8205215A GB2091429B (en) 1980-07-02 1981-07-02 Device for measuring and controlling gas flow rates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8025469A FR2495316A2 (fr) 1980-12-01 1980-12-01 Dispositif de mesure et de controle de debits gazeux

Publications (2)

Publication Number Publication Date
FR2495316A2 true FR2495316A2 (fr) 1982-06-04
FR2495316B2 FR2495316B2 (enExample) 1984-11-30

Family

ID=9248522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8025469A Granted FR2495316A2 (fr) 1980-07-02 1980-12-01 Dispositif de mesure et de controle de debits gazeux

Country Status (1)

Country Link
FR (1) FR2495316A2 (enExample)

Also Published As

Publication number Publication date
FR2495316B2 (enExample) 1984-11-30

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CL Concession to grant licences
AM Act modifying the rights related to an application or a patent
CN Change in juridical nature