CA1099952A - Vortex shedding flowmeter assembly - Google Patents

Vortex shedding flowmeter assembly

Info

Publication number
CA1099952A
CA1099952A CA293,836A CA293836A CA1099952A CA 1099952 A CA1099952 A CA 1099952A CA 293836 A CA293836 A CA 293836A CA 1099952 A CA1099952 A CA 1099952A
Authority
CA
Canada
Prior art keywords
flow
bodies
flowmeter
bars
obstruction bodies
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
CA293,836A
Other languages
English (en)
French (fr)
Inventor
Roger L. Frick
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.)
Rosemount Inc
Original Assignee
Rosemount Inc
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 Rosemount Inc filed Critical Rosemount Inc
Application granted granted Critical
Publication of CA1099952A publication Critical patent/CA1099952A/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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/32—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 detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/3209—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 detection of dynamic effects of the flow using swirl flowmeters using Karman vortices
    • G01F1/3218—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 detection of dynamic effects of the flow using swirl flowmeters using Karman vortices bluff body design
    • 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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/32—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 detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3259—Means for detecting quantities used as proxy variables for swirl for detecting fluid pressure oscillations
    • G01F1/3266—Means for detecting quantities used as proxy variables for swirl for detecting fluid pressure oscillations by sensing mechanical vibrations

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
CA293,836A 1976-12-29 1977-12-23 Vortex shedding flowmeter assembly Expired CA1099952A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75535776A 1976-12-29 1976-12-29
US755,357 1976-12-29

Publications (1)

Publication Number Publication Date
CA1099952A true CA1099952A (en) 1981-04-28

Family

ID=25038813

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293,836A Expired CA1099952A (en) 1976-12-29 1977-12-23 Vortex shedding flowmeter assembly

Country Status (6)

Country Link
JP (1) JPS5384760A (pt)
BR (1) BR7708674A (pt)
CA (1) CA1099952A (pt)
DE (1) DE2757384A1 (pt)
FR (1) FR2376400A1 (pt)
GB (1) GB1589690A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543471A (en) * 1978-09-25 1980-03-27 Nissan Motor Co Ltd Karman vortex flow meter
FR2506933A1 (fr) * 1981-05-26 1982-12-03 Sereg Soc Debitmetre a tourbillon, notamment pour fluides a faible viscosite
US4457181A (en) * 1982-04-05 1984-07-03 The Foxboro Company Narrow profile vortex shedding body
US5214965A (en) * 1991-10-08 1993-06-01 Lew Hyok S Vortex generator-sensor with noise cancelling transducer
CH687420A5 (de) * 1993-11-22 1996-11-29 Fischer Georg Rohrleitung Einrichtung zur Messung der Geschwindigkeit eines Fluides.
DE4441129A1 (de) * 1994-11-21 1996-05-23 Junkalor Gmbh Meßwertgeber für einen Wirbeldurchflußmesser
US6319719B1 (en) * 1999-10-28 2001-11-20 Roche Diagnostics Corporation Capillary hematocrit separation structure and method
JP2022021857A (ja) * 2020-07-22 2022-02-03 ホシデン株式会社 流体センサ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE277881C (pt) *
FR646261A (fr) * 1927-05-13 1928-11-09 Appareil pour la mesure des vitesses des fluides
JPS5046155A (pt) * 1973-08-28 1975-04-24
US3972232A (en) * 1974-04-24 1976-08-03 The Foxboro Company Vortex flow meter apparatus
JPS5115467A (en) * 1974-07-29 1976-02-06 Hokushin Electric Works Karumanuzuoryoshita daikokeiryuryokei

Also Published As

Publication number Publication date
JPS5384760A (en) 1978-07-26
BR7708674A (pt) 1978-08-15
DE2757384A1 (de) 1978-07-06
FR2376400A1 (fr) 1978-07-28
GB1589690A (en) 1981-05-20

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Legal Events

Date Code Title Description
MKEX Expiry