CA1173266A - Appareil ultra-sensible et methode pour deceler les variations d'ecoulement des liquides, particulierement dans les conduites de degagement d'un complexe chimique ou d'une raffinerie - Google Patents

Appareil ultra-sensible et methode pour deceler les variations d'ecoulement des liquides, particulierement dans les conduites de degagement d'un complexe chimique ou d'une raffinerie

Info

Publication number
CA1173266A
CA1173266A CA000385338A CA385338A CA1173266A CA 1173266 A CA1173266 A CA 1173266A CA 000385338 A CA000385338 A CA 000385338A CA 385338 A CA385338 A CA 385338A CA 1173266 A CA1173266 A CA 1173266A
Authority
CA
Canada
Prior art keywords
fluid flow
transducer
meter
relief
heat flux
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
CA000385338A
Other languages
English (en)
Inventor
Stephen F. Streib
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.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology Co
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 US06/184,559 external-priority patent/US4433329A/en
Priority claimed from US06/184,560 external-priority patent/US4434418A/en
Application filed by Chevron Research and Technology Co filed Critical Chevron Research and Technology Co
Application granted granted Critical
Publication of CA1173266A publication Critical patent/CA1173266A/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
    • G01F1/68—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
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/6888—Thermoelectric elements, e.g. thermocouples, thermopiles
    • 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
    • G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct
    • 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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using thermal variables

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
CA000385338A 1980-09-05 1981-09-08 Appareil ultra-sensible et methode pour deceler les variations d'ecoulement des liquides, particulierement dans les conduites de degagement d'un complexe chimique ou d'une raffinerie Expired CA1173266A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/184,559 US4433329A (en) 1980-09-05 1980-09-05 Ultrasensitive apparatus and method for detecting change in fluid flow during the occurrence of a transient condition
US184,559 1980-09-05
US184,560 1980-09-05
US06/184,560 US4434418A (en) 1980-09-05 1980-09-05 Ultrasensitive apparatus and method for detecting change in fluid flow conditions in relief flowlines associated with a chemical or refinery complex

Publications (1)

Publication Number Publication Date
CA1173266A true CA1173266A (fr) 1984-08-28

Family

ID=26880249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000385338A Expired CA1173266A (fr) 1980-09-05 1981-09-08 Appareil ultra-sensible et methode pour deceler les variations d'ecoulement des liquides, particulierement dans les conduites de degagement d'un complexe chimique ou d'une raffinerie

Country Status (4)

Country Link
CA (1) CA1173266A (fr)
DE (1) DE3135707A1 (fr)
FR (1) FR2489928B1 (fr)
GB (1) GB2083232B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8324724D0 (en) * 1983-09-15 1983-10-19 Midland Automation Ltd Detector
DK161260C (da) * 1988-05-06 1991-12-30 Paul Verner Nielsen Flowmaaler
EP1223411A1 (fr) * 2001-01-12 2002-07-17 Lidact GmbH Capteur universel pour mesurer la sollicitation au cisaillement, le flux massique ou la vitesse d'un fluide ou d'un gaz, pour déterminer un nombre de gouttes ou pour détecter des gouttes ou des fuites

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR44368E (fr) * 1933-12-04 1934-12-29 Detectif Procédé et appareil pour la mesure et le débit des fluides
FR761973A (fr) * 1934-01-26 1934-03-31 Detectif Procédé et appareil pour la mesure et le débit des fluides
GB587996A (en) * 1945-01-03 1947-05-12 Henry Stafford Hatfield An improved means for measuring flow of heat
FR1409535A (fr) * 1963-08-19 1965-08-27 Procédé et dispositif pour déterminer l'écoulement d'un fluide
DE1473190B1 (de) * 1963-10-09 1970-01-15 Schaller Dipl Ing Werner Geraet zur UEberwachung der Stroemung eines Mediums
FR1592508A (fr) * 1968-05-08 1970-05-19
US3570310A (en) * 1969-04-24 1971-03-16 Cities Service Oil Co Flow-indicating device
US3802264A (en) * 1972-07-10 1974-04-09 Geoscience Ltd Fluid temperature differential flow meter
US4198859A (en) * 1978-11-09 1980-04-22 Holtermann Ludwig K Heat flow probe

Also Published As

Publication number Publication date
GB2083232A (en) 1982-03-17
GB2083232B (en) 1985-02-27
FR2489928B1 (fr) 1986-04-04
FR2489928A1 (fr) 1982-03-12
DE3135707A1 (de) 1982-04-08

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry