JPH0147749B2 - - Google Patents

Info

Publication number
JPH0147749B2
JPH0147749B2 JP55093887A JP9388780A JPH0147749B2 JP H0147749 B2 JPH0147749 B2 JP H0147749B2 JP 55093887 A JP55093887 A JP 55093887A JP 9388780 A JP9388780 A JP 9388780A JP H0147749 B2 JPH0147749 B2 JP H0147749B2
Authority
JP
Japan
Prior art keywords
resistor
bridge
hot
hot wire
midpoint
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
JP55093887A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5719672A (en
Inventor
Hiromasa Kubo
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.)
Hitachi Ltd
Original Assignee
Japan Electronic Control Systems 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
Application filed by Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP9388780A priority Critical patent/JPS5719672A/ja
Publication of JPS5719672A publication Critical patent/JPS5719672A/ja
Publication of JPH0147749B2 publication Critical patent/JPH0147749B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/6983—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters adapted for burning-off deposits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
JP9388780A 1980-07-11 1980-07-11 Heat rays type flow velocity meter equipped with heat rays extraneous matter burning-off mechanism Granted JPS5719672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9388780A JPS5719672A (en) 1980-07-11 1980-07-11 Heat rays type flow velocity meter equipped with heat rays extraneous matter burning-off mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9388780A JPS5719672A (en) 1980-07-11 1980-07-11 Heat rays type flow velocity meter equipped with heat rays extraneous matter burning-off mechanism

Publications (2)

Publication Number Publication Date
JPS5719672A JPS5719672A (en) 1982-02-01
JPH0147749B2 true JPH0147749B2 (en:Method) 1989-10-16

Family

ID=14094984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9388780A Granted JPS5719672A (en) 1980-07-11 1980-07-11 Heat rays type flow velocity meter equipped with heat rays extraneous matter burning-off mechanism

Country Status (1)

Country Link
JP (1) JPS5719672A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60154116A (ja) * 1984-01-25 1985-08-13 Japan Electronic Control Syst Co Ltd 熱線式流量計

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2750050C2 (de) * 1977-11-09 1983-12-08 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Luftmengenmessung
JPS5576182A (en) * 1978-11-30 1980-06-09 Fuji Shoji Steel cord and tire using steel cord

Also Published As

Publication number Publication date
JPS5719672A (en) 1982-02-01

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