HK43789A - Vortex shedding flowmeters - Google Patents

Vortex shedding flowmeters

Info

Publication number
HK43789A
HK43789A HK437/89A HK43789A HK43789A HK 43789 A HK43789 A HK 43789A HK 437/89 A HK437/89 A HK 437/89A HK 43789 A HK43789 A HK 43789A HK 43789 A HK43789 A HK 43789A
Authority
HK
Hong Kong
Prior art keywords
vortex shedding
shedding flowmeters
flowmeters
vortex
shedding
Prior art date
Application number
HK437/89A
Other languages
English (en)
Inventor
James K Knudsen
Iv Marion Alvah Keyes
Original Assignee
Babcock & Wilcox 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
Application filed by Babcock & Wilcox Co filed Critical Babcock & Wilcox Co
Publication of HK43789A publication Critical patent/HK43789A/xx

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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement to determine the volume 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
    • G01F1/05—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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
HK437/89A 1984-10-22 1989-05-25 Vortex shedding flowmeters HK43789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/663,113 US4552026A (en) 1984-10-22 1984-10-22 Sensor for a vortex shedding flowmeter

Publications (1)

Publication Number Publication Date
HK43789A true HK43789A (en) 1989-06-07

Family

ID=24660529

Family Applications (1)

Application Number Title Priority Date Filing Date
HK437/89A HK43789A (en) 1984-10-22 1989-05-25 Vortex shedding flowmeters

Country Status (13)

Country Link
US (1) US4552026A (de)
EP (1) EP0183340B1 (de)
JP (1) JPS61100614A (de)
KR (1) KR890004714B1 (de)
AU (1) AU576387B2 (de)
BR (1) BR8504176A (de)
CA (1) CA1228753A (de)
DE (1) DE3567101D1 (de)
ES (1) ES8703629A1 (de)
HK (1) HK43789A (de)
IN (1) IN164915B (de)
MX (1) MX158387A (de)
SG (1) SG14089G (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628197A (en) * 1984-05-21 1986-12-09 The Babcock & Wilcox Company Electronics for fiber optic vortex shedding flow meter
US4761832A (en) * 1985-06-28 1988-08-02 Amp Incorporated Fiber optic switching network
US4717230A (en) * 1985-06-28 1988-01-05 Amp Incorporated Optical eraser and node switch for an optical network
IN165010B (de) * 1986-02-03 1989-07-29 Babcock & Wilcox Co
US4871908A (en) * 1986-02-03 1989-10-03 The Babcock & Wilcox Company Overload protection for fiber optic microbend sensor
US4679445A (en) * 1986-02-03 1987-07-14 The Babcock & Wilcox Company On-line replacement sensor assembly for a vortex shedding flowmeter
GB2204679A (en) * 1987-04-30 1988-11-16 Univ Manchester Fibre optic sensor
FR2637080B1 (fr) * 1988-09-27 1990-11-09 Labo Electronique Physique Capteur de pression a fibre optique
US4958070A (en) * 1988-11-07 1990-09-18 The Babcock & Wilcox Company Digital electronics for controlling a fiber optic shedding flowmeter
US5271675A (en) * 1992-10-22 1993-12-21 Gas Research Institute System for characterizing pressure, movement, temperature and flow pattern of fluids
US5272333A (en) * 1992-10-23 1993-12-21 Gas Research Institute System for characterizing pressure, movement, and temperature of fluids
US6718078B2 (en) * 2002-08-27 2004-04-06 The United States Of America As Represented By The Secretary Of The Navy High sensitivity fiber optic rotation sensor
CN101881633B (zh) * 2010-04-06 2012-11-28 西安金和光学科技有限公司 基于光纤弯曲损耗的弹簧型高精度光纤传感器
US9599493B2 (en) * 2014-10-31 2017-03-21 Invensys Systems, Inc. Split flow vortex flowmeter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5236417B2 (de) * 1972-07-28 1977-09-16
US4226117A (en) * 1979-02-21 1980-10-07 Fischer & Porter Co. Vortex-shedding flowmeter having drag-actuated torsional sensor
JPS5677724U (de) * 1979-11-20 1981-06-24
US4307618A (en) * 1980-03-04 1981-12-29 Rockwell International Corporation Fluid flowmeter having an optical fiber sensing element
JPS6027367B2 (ja) * 1980-10-28 1985-06-28 横河電機株式会社 光ファイバ流量計
US4358678A (en) * 1980-11-19 1982-11-09 Hersey Products, Inc. Fiber optic transducer and method
GB2103795B (en) * 1981-06-15 1986-03-19 Fuji Electric Co Ltd Flow metering apparatus
US4472628A (en) * 1981-06-29 1984-09-18 General Electric Company Fiber optics transducers for sensing parameter magnitude
US4501157A (en) * 1982-11-15 1985-02-26 United Technologies Corporation Vortex shedding flow measuring transducer
GB2131171A (en) * 1982-11-25 1984-06-13 Normalair Garrett Vorten flowmeter using optical differential pressure sensor

Also Published As

Publication number Publication date
KR860003498A (ko) 1986-05-26
ES547446A0 (es) 1987-02-16
JPH0219408B2 (de) 1990-05-01
BR8504176A (pt) 1986-06-24
AU4822285A (en) 1986-05-01
ES8703629A1 (es) 1987-02-16
AU576387B2 (en) 1988-08-25
EP0183340B1 (de) 1988-12-28
KR890004714B1 (ko) 1989-11-25
MX158387A (es) 1989-01-27
CA1228753A (en) 1987-11-03
SG14089G (en) 1989-07-07
IN164915B (de) 1989-07-08
JPS61100614A (ja) 1986-05-19
US4552026A (en) 1985-11-12
EP0183340A1 (de) 1986-06-04
DE3567101D1 (en) 1989-02-02

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)