GB1302727A - - Google Patents

Info

Publication number
GB1302727A
GB1302727A GB2894970A GB2894970A GB1302727A GB 1302727 A GB1302727 A GB 1302727A GB 2894970 A GB2894970 A GB 2894970A GB 2894970 A GB2894970 A GB 2894970A GB 1302727 A GB1302727 A GB 1302727A
Authority
GB
United Kingdom
Prior art keywords
flow
rate
thermistors
detector
conduit
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
GB2894970A
Other languages
English (en)
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 FR6920031A external-priority patent/FR2049669A5/fr
Priority claimed from FR6920030A external-priority patent/FR2049668A5/fr
Application filed filed Critical
Publication of GB1302727A publication Critical patent/GB1302727A/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
    • G01F1/40—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)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measuring Volume Flow (AREA)
GB2894970A 1969-06-16 1970-06-15 Expired GB1302727A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR6920031A FR2049669A5 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16
FR6920030A FR2049668A5 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
GB1302727A true GB1302727A (enrdf_load_stackoverflow) 1973-01-10

Family

ID=26215113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2894970A Expired GB1302727A (enrdf_load_stackoverflow) 1969-06-16 1970-06-15

Country Status (3)

Country Link
BE (1) BE751279A (enrdf_load_stackoverflow)
DE (1) DE2028863A1 (enrdf_load_stackoverflow)
GB (1) GB1302727A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2311103C2 (de) * 1973-03-06 1984-01-12 Helmut Dipl.-Chem. 8000 München Ulrich Einrichtung zur Messung der Durchflußrate eines Strömungsmittels
DE2444511C3 (de) * 1974-09-18 1981-07-30 Volkswagenwerk Ag, 3180 Wolfsburg Thermischer Strömungsmesser für gasförmige Medien

Also Published As

Publication number Publication date
BE751279A (fr) 1970-12-01
DE2028863A1 (de) 1971-01-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee