FR720689A - Perfectionnements apportés aux distributions pour compteurs à gaz à deux capacités mesurantes - Google Patents

Perfectionnements apportés aux distributions pour compteurs à gaz à deux capacités mesurantes

Info

Publication number
FR720689A
FR720689A FR720689DA FR720689A FR 720689 A FR720689 A FR 720689A FR 720689D A FR720689D A FR 720689DA FR 720689 A FR720689 A FR 720689A
Authority
FR
France
Prior art keywords
distributions
improvements made
gas meters
measuring capacities
capacities
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
English (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.)
Elster and Co AG
Original Assignee
Elster and Co AG
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 Elster and Co AG filed Critical Elster and Co AG
Application granted granted Critical
Publication of FR720689A publication Critical patent/FR720689A/fr
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
    • 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
    • G01F3/222—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 drive mechanism for valves or membrane index mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR720689D 1931-01-17 1931-07-28 Perfectionnements apportés aux distributions pour compteurs à gaz à deux capacités mesurantes Expired FR720689A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE720689X 1931-01-17

Publications (1)

Publication Number Publication Date
FR720689A true FR720689A (fr) 1932-02-23

Family

ID=6628463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720689D Expired FR720689A (fr) 1931-01-17 1931-07-28 Perfectionnements apportés aux distributions pour compteurs à gaz à deux capacités mesurantes

Country Status (1)

Country Link
FR (1) FR720689A (fr)

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