IT1142593B - THERMAL FLOW METER THAT ALLOWS TO MEASURE THE FLOW OF A FLUID ACCORDING TO THE VARIATIONS OF ITS TEMPERATURE - Google Patents

THERMAL FLOW METER THAT ALLOWS TO MEASURE THE FLOW OF A FLUID ACCORDING TO THE VARIATIONS OF ITS TEMPERATURE

Info

Publication number
IT1142593B
IT1142593B IT48964/81A IT4896481A IT1142593B IT 1142593 B IT1142593 B IT 1142593B IT 48964/81 A IT48964/81 A IT 48964/81A IT 4896481 A IT4896481 A IT 4896481A IT 1142593 B IT1142593 B IT 1142593B
Authority
IT
Italy
Prior art keywords
measure
variations
allows
temperature
flow
Prior art date
Application number
IT48964/81A
Other languages
Italian (it)
Other versions
IT8148964A0 (en
Inventor
Claude Goumain
Original Assignee
Soule 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 Soule Sa filed Critical Soule Sa
Publication of IT8148964A0 publication Critical patent/IT8148964A0/en
Application granted granted Critical
Publication of IT1142593B publication Critical patent/IT1142593B/en

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
    • G01F1/68—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
    • 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
    • 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
    • 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
    • G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
IT48964/81A 1980-08-01 1981-07-24 THERMAL FLOW METER THAT ALLOWS TO MEASURE THE FLOW OF A FLUID ACCORDING TO THE VARIATIONS OF ITS TEMPERATURE IT1142593B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8017697A FR2487973B1 (en) 1980-08-01 1980-08-01 THERMAL FLOW METER: ELECTRONIC METHOD AND DEVICES FOR MEASURING THE FLOW OF A FLUID AS A FUNCTION OF VARIATIONS IN ITS TEMPERATURE

Publications (2)

Publication Number Publication Date
IT8148964A0 IT8148964A0 (en) 1981-07-24
IT1142593B true IT1142593B (en) 1986-10-08

Family

ID=9245089

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48964/81A IT1142593B (en) 1980-08-01 1981-07-24 THERMAL FLOW METER THAT ALLOWS TO MEASURE THE FLOW OF A FLUID ACCORDING TO THE VARIATIONS OF ITS TEMPERATURE

Country Status (4)

Country Link
DE (1) DE3130405A1 (en)
ES (1) ES8206022A1 (en)
FR (1) FR2487973B1 (en)
IT (1) IT1142593B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841637C1 (en) * 1988-12-10 1990-05-10 Gebr. Schmidt Fabrik Fuer Feinmechanik, 7742 St Georgen, De
AT395483B (en) * 1989-01-13 1993-01-25 Vaillant Gmbh Purely electrically heated instantaneous heater with a device for determining the throughput of water
DE3938286C2 (en) * 1989-11-17 1999-11-04 Bosch Gmbh Robert Method and device for temperature control of a measuring resistor which detects the throughput of a flowing fluid mass
WO1991019170A1 (en) * 1990-06-04 1991-12-12 Mcpherson's Limited Flow sensor and control system
DE4127675C2 (en) * 1991-08-21 1996-08-14 Elbau Elektronik Bauelemente G Method and device for monitoring the flow of a fluid in a line, in particular for infusion systems
US8550702B2 (en) * 2011-10-31 2013-10-08 International Business Machines Corporation Calibrated airflow sensor facilitating monitoring of electronic system cooling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1341354A (en) * 1962-12-19 1963-10-25 Rheostatic Co Ltd Method and device for measuring the mass flow rate of a fluid
US3438254A (en) * 1965-10-19 1969-04-15 United Control Corp Fluid flow detector
FR2246846A1 (en) * 1973-10-09 1975-05-02 Thomson Csf Linear flow meter based on thermodynamic laws - measures temp upstream and downstream of heat source in fluid flow

Also Published As

Publication number Publication date
FR2487973A1 (en) 1982-02-05
ES504933A0 (en) 1982-06-16
IT8148964A0 (en) 1981-07-24
ES8206022A1 (en) 1982-06-16
DE3130405A1 (en) 1982-06-16
FR2487973B1 (en) 1986-07-25

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