CH615506A5 - - Google Patents

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Publication number
CH615506A5
CH615506A5 CH166677A CH166677A CH615506A5 CH 615506 A5 CH615506 A5 CH 615506A5 CH 166677 A CH166677 A CH 166677A CH 166677 A CH166677 A CH 166677A CH 615506 A5 CH615506 A5 CH 615506A5
Authority
CH
Switzerland
Prior art keywords
output
frequency
input
gate
probe
Prior art date
Application number
CH166677A
Other languages
German (de)
English (en)
Inventor
Milton H November
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of CH615506A5 publication Critical patent/CH615506A5/de

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
    • 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
    • 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
    • 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
    • G01F1/3287—Means for detecting quantities used as proxy variables for swirl circuits therefor
    • 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
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
CH166677A 1976-02-11 1977-02-11 CH615506A5 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/657,092 US3992939A (en) 1976-02-11 1976-02-11 Apparatus for producing a mass flow rate signal with or without a density signal

Publications (1)

Publication Number Publication Date
CH615506A5 true CH615506A5 (ko) 1980-01-31

Family

ID=24635783

Family Applications (1)

Application Number Title Priority Date Filing Date
CH166677A CH615506A5 (ko) 1976-02-11 1977-02-11

Country Status (7)

Country Link
US (1) US3992939A (ko)
JP (1) JPS52125356A (ko)
CH (1) CH615506A5 (ko)
DE (1) DE2704941A1 (ko)
FR (1) FR2341133A1 (ko)
GB (1) GB1564156A (ko)
NL (1) NL7701334A (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305134A1 (en) * 1987-08-28 1989-03-01 Schlumberger Industries Limited Fluid metering system
EP0306193A1 (en) * 1987-08-28 1989-03-08 Schlumberger Industries Limited Fluid meter
DE3816623C1 (en) * 1988-05-16 1989-11-23 Fischer & Porter Gmbh, 3400 Goettingen, De Vortex flowmeter

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048854A (en) * 1976-03-19 1977-09-20 Fischer & Porter Co. System for determining the ratio of oil to water in a metered fluid stream
US4312237A (en) * 1979-12-28 1982-01-26 J-Tec Associates, Inc. Vortex generating device
GB2211612B (en) * 1987-10-27 1991-10-23 Fuji Electric Co Ltd Karman vortex flow meter
DE3916056A1 (de) * 1989-05-17 1990-11-22 Kuipers Ulrich Messverfahren und vorrichtung zur massendurchfluss-, volumendurchfluss-, dichte- und/oder viskositaetsbestimmung und daraus abgeleiteten groessen
US5372046A (en) * 1992-09-30 1994-12-13 Rosemount Inc. Vortex flowmeter electronics
WO1997005459A1 (de) * 1995-07-27 1997-02-13 Georg Fischer Rohrleitungssysteme Ag Vorrichtung zur messung der durchflussmenge und der durchflussgeschwindigkeit eines fluides in einer rohrleitung
US6170338B1 (en) 1997-03-27 2001-01-09 Rosemont Inc. Vortex flowmeter with signal processing
DK1730476T3 (da) 2004-03-25 2021-06-21 Micro Motion Inc Simplificeret måling af fluidegenskaber
CN105952435A (zh) * 2016-04-26 2016-09-21 哈尔滨工业大学 适用于油水井井下的涡街流量计

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1349257A (en) * 1970-04-24 1974-04-03 Rotron Inc Mass flow and mass flow rate indication
US3677067A (en) * 1970-08-20 1972-07-18 Itt Densitometer
US3719073A (en) * 1970-09-14 1973-03-06 American Standard Inc Mass flow meter
US3785204A (en) * 1972-04-06 1974-01-15 Exxon Research Engineering Co Mass flow meter
US3775597A (en) * 1972-12-27 1973-11-27 Itt Fluid density digital computer
US3883811A (en) * 1973-12-10 1975-05-13 Itt Densitometer
US3885140A (en) * 1973-12-10 1975-05-20 Itt Densitometer
US3937195A (en) * 1974-08-26 1976-02-10 The United States Of America As Represented By The Secretary Of The Army Constant mass air-fuel ratio fluidic fuel-injection system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305134A1 (en) * 1987-08-28 1989-03-01 Schlumberger Industries Limited Fluid metering system
EP0306193A1 (en) * 1987-08-28 1989-03-08 Schlumberger Industries Limited Fluid meter
US4938053A (en) * 1987-08-28 1990-07-03 Thorm EMI Flow Measurement Limited Fluid metering system
DE3816623C1 (en) * 1988-05-16 1989-11-23 Fischer & Porter Gmbh, 3400 Goettingen, De Vortex flowmeter

Also Published As

Publication number Publication date
DE2704941A1 (de) 1977-08-18
JPS52125356A (en) 1977-10-21
US3992939A (en) 1976-11-23
NL7701334A (nl) 1977-08-15
GB1564156A (en) 1980-04-02
FR2341133A1 (fr) 1977-09-09

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Legal Events

Date Code Title Description
PL Patent ceased