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CA1020371A - Apparatus for controlling the flow of a fluid additive - Google Patents

Apparatus for controlling the flow of a fluid additive

Info

Publication number
CA1020371A
CA1020371A CA216,162A CA216162A CA1020371A CA 1020371 A CA1020371 A CA 1020371A CA 216162 A CA216162 A CA 216162A CA 1020371 A CA1020371 A CA 1020371A
Authority
CA
Canada
Prior art keywords
controlling
flow
fluid additive
additive
fluid
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
CA216,162A
Other languages
French (fr)
Other versions
CA216162S (en
Inventor
Joram Agar
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.)
J AGAR INSTRUMENTATION Ltd
Original Assignee
J AGAR INSTRUMENTATION Ltd
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 J AGAR INSTRUMENTATION Ltd filed Critical J AGAR INSTRUMENTATION Ltd
Application granted granted Critical
Publication of CA1020371A publication Critical patent/CA1020371A/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
    • G01F1/68—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
    • G01F1/05—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
    • G01F1/3273—Means for detecting quantities used as proxy variables for swirl for detecting fluid speed oscillations by thermal sensors
    • 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
    • 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
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid 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
    • G01F1/76—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/01—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using swirlflowmeter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
    • G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Volume Flow (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CA216,162A 1973-12-28 1974-12-17 Apparatus for controlling the flow of a fluid additive Expired CA1020371A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5993373 1973-12-28
GB2606274A GB1463507A (en) 1973-12-28 1974-06-12 Apparatus for controlling a flow of a fluid additive

Publications (1)

Publication Number Publication Date
CA1020371A true CA1020371A (en) 1977-11-08

Family

ID=26258047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,162A Expired CA1020371A (en) 1973-12-28 1974-12-17 Apparatus for controlling the flow of a fluid additive

Country Status (4)

Country Link
JP (1) JPS50117458A (en)
CA (1) CA1020371A (en)
DE (1) DE2461689A1 (en)
GB (1) GB1463507A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248603A1 (en) * 1982-12-30 1984-07-12 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR MEASURING THE MASS FLOW OF A FLOWING MEDIUM
DE3369000D1 (en) * 1983-03-18 1987-02-12 Putten Antonius Ferdinandus Pe Device for measuring the flow velocity of a medium
US4779458A (en) * 1986-12-29 1988-10-25 Mawardi Osman K Flow sensor
DE69718524T2 (en) 1997-07-29 2003-10-02 Gascontrol B.V., Amsterdam METHOD AND DEVICE FOR MEASURING A GAS FLOW
DE19908664A1 (en) * 1999-03-01 2000-09-07 Abb Research Ltd Gas meter
US6957586B2 (en) 2003-08-15 2005-10-25 Saudi Arabian Oil Company System to measure density, specific gravity, and flow rate of fluids, meter, and related methods
JP2014119257A (en) * 2012-12-13 2014-06-30 Mitsubishi Materials Corp Air flow sensor
WO2014151475A1 (en) * 2013-03-15 2014-09-25 Watkins Bobby G Ii Flow control and gas metering process
DE102017216656A1 (en) * 2017-09-20 2019-03-21 Robert Bosch Gmbh Method and device for controlling a heating element of a sensor element of an air mass sensor for a vehicle and air mass sensor system for a vehicle
CN113375740B (en) * 2020-12-30 2024-04-26 南京瑞杨医用科技有限公司 Medical central oxygen supply flow monitoring system
CN114923811B (en) * 2022-05-20 2025-01-28 武汉公路桥梁建设集团有限公司 Intelligent detection device and method for grouting density of prestressed pipes in bridges

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3425277A (en) * 1966-11-14 1969-02-04 Gen Electric Electrical thermal flowmeter

Also Published As

Publication number Publication date
JPS50117458A (en) 1975-09-13
DE2461689A1 (en) 1975-07-10
GB1463507A (en) 1977-02-02

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