GB2160315B - Karman vortex flowmeters - Google Patents

Karman vortex flowmeters

Info

Publication number
GB2160315B
GB2160315B GB08502846A GB8502846A GB2160315B GB 2160315 B GB2160315 B GB 2160315B GB 08502846 A GB08502846 A GB 08502846A GB 8502846 A GB8502846 A GB 8502846A GB 2160315 B GB2160315 B GB 2160315B
Authority
GB
United Kingdom
Prior art keywords
karman vortex
vortex flowmeters
flowmeters
karman
vortex
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
GB08502846A
Other versions
GB2160315A (en
GB8502846D0 (en
Inventor
Noriomi Miyoshi
Michihiko Tsuruoka
Mutsumi Nagumo
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co 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
Priority claimed from JP56179070A external-priority patent/JPS5880523A/en
Priority claimed from JP56179071A external-priority patent/JPS5880524A/en
Priority claimed from JP56179072A external-priority patent/JPS5880525A/en
Priority claimed from JP57066330A external-priority patent/JPS58184511A/en
Priority claimed from JP57102673A external-priority patent/JPS58218617A/en
Priority claimed from JP8936482U external-priority patent/JPS58191522U/en
Priority claimed from JP57102674A external-priority patent/JPS58219414A/en
Priority claimed from JP57102675A external-priority patent/JPS58219415A/en
Priority claimed from JP57102676A external-priority patent/JPS58219416A/en
Priority claimed from JP57102677A external-priority patent/JPS58219417A/en
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of GB8502846D0 publication Critical patent/GB8502846D0/en
Publication of GB2160315A publication Critical patent/GB2160315A/en
Publication of GB2160315B publication Critical patent/GB2160315B/en
Application granted granted Critical
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/185—Circuit arrangements for generating control signals by measuring intake air flow using a vortex flow sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/48—Arrangement of air 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
    • G01F1/05—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Fluid Pressure (AREA)
GB08502846A 1981-11-10 1985-02-05 Karman vortex flowmeters Expired GB2160315B (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP56179070A JPS5880523A (en) 1981-11-10 1981-11-10 Karman vortex flowmeter
JP56179072A JPS5880525A (en) 1981-11-10 1981-11-10 Karman vortex flowmeter
JP56179071A JPS5880524A (en) 1981-11-10 1981-11-10 Karman vortex flowmeter
JP57066330A JPS58184511A (en) 1982-04-22 1982-04-22 Intake air flowmeter of engine
JP8936482U JPS58191522U (en) 1982-06-15 1982-06-15 Karman vortex flow meter
JP57102674A JPS58219414A (en) 1982-06-15 1982-06-15 Karman's vortex street flowmeter
JP57102675A JPS58219415A (en) 1982-06-15 1982-06-15 Karman's vortex street flowmeter
JP57102673A JPS58218617A (en) 1982-06-15 1982-06-15 Karman's vortex stress flowmeter
JP57102676A JPS58219416A (en) 1982-06-15 1982-06-15 Karman's vortex street flowmeter
JP57102677A JPS58219417A (en) 1982-06-15 1982-06-15 Intake air flowmeter of engine

Publications (3)

Publication Number Publication Date
GB8502846D0 GB8502846D0 (en) 1985-03-06
GB2160315A GB2160315A (en) 1985-12-18
GB2160315B true GB2160315B (en) 1986-06-11

Family

ID=27580086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08502846A Expired GB2160315B (en) 1981-11-10 1985-02-05 Karman vortex flowmeters

Country Status (1)

Country Link
GB (1) GB2160315B (en)

Also Published As

Publication number Publication date
GB2160315A (en) 1985-12-18
GB8502846D0 (en) 1985-03-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee