FR2049668A5 - - Google Patents

Info

Publication number
FR2049668A5
FR2049668A5 FR6920030A FR6920030A FR2049668A5 FR 2049668 A5 FR2049668 A5 FR 2049668A5 FR 6920030 A FR6920030 A FR 6920030A FR 6920030 A FR6920030 A FR 6920030A FR 2049668 A5 FR2049668 A5 FR 2049668A5
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
FR6920030A
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR6920030A priority Critical patent/FR2049668A5/fr
Priority to BE751279D priority patent/BE751279A/xx
Priority to DE19702028863 priority patent/DE2028863A1/de
Priority to GB2894970A priority patent/GB1302727A/en
Application granted granted Critical
Publication of FR2049668A5 publication Critical patent/FR2049668A5/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
    • 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
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/46—Pitot tubes
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR6920030A 1969-06-16 1969-06-16 Expired FR2049668A5 (enrdf_load_stackoverflow)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR6920030A FR2049668A5 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16
BE751279D BE751279A (fr) 1969-06-16 1970-06-01 Procede et dispositif pour mesurer soit le debit et la teneur d'un des constituants d'un melange gazeux circulant dans une canalisation ainsi que la depression
DE19702028863 DE2028863A1 (de) 1969-06-16 1970-06-11 Verfahren und Vorrichtung zur wahl weisen Messung des Durchflusses oder des Durchflusses und des Gehaltes von einem der Bestandteile eines in einer Leitung fließenden Gasgemisches sowie zur Messung des Unterdruckes
GB2894970A GB1302727A (enrdf_load_stackoverflow) 1969-06-16 1970-06-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6920030A FR2049668A5 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
FR2049668A5 true FR2049668A5 (enrdf_load_stackoverflow) 1971-03-26

Family

ID=9035825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6920030A Expired FR2049668A5 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16

Country Status (1)

Country Link
FR (1) FR2049668A5 (enrdf_load_stackoverflow)

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Legal Events

Date Code Title Description
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