JPS57194314A - Air flow meter for internal combustion engine - Google Patents

Air flow meter for internal combustion engine

Info

Publication number
JPS57194314A
JPS57194314A JP56079317A JP7931781A JPS57194314A JP S57194314 A JPS57194314 A JP S57194314A JP 56079317 A JP56079317 A JP 56079317A JP 7931781 A JP7931781 A JP 7931781A JP S57194314 A JPS57194314 A JP S57194314A
Authority
JP
Japan
Prior art keywords
air flow
combustion engine
internal combustion
flow meter
resistor
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.)
Pending
Application number
JP56079317A
Other languages
Japanese (ja)
Inventor
Yutaka Nishimura
Takashige Ooyama
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
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56079317A priority Critical patent/JPS57194314A/en
Publication of JPS57194314A publication Critical patent/JPS57194314A/en
Pending 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

Abstract

PURPOSE:To measure the quantity of air stably with high precision by regulating electric response emitted when a sucked air flow increases or decreases in velocity, and also regulating the response according to the operation conditions of an internal combustion engine. CONSTITUTION:The resistor 53 for flow velocity measurement and resistor 54 for temperature measurement of an air flow meter are incorporated in the measuring circuit which uses operational amplifiers 36 and 38, and its output V1 is supplied to a correcting circuit 51, thereby outputting a signal V2 through operational amplifiers 45, 46 and 50. The signals V1 and V2 are inputted to a switching circuit 52, which is changed over by the signal of a throttle-valve opening- degree meter 7 to input said signals to a computer 16, thereby deciding the supplied amount of fuel, etc., by arithmetic processing.
JP56079317A 1981-05-27 1981-05-27 Air flow meter for internal combustion engine Pending JPS57194314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56079317A JPS57194314A (en) 1981-05-27 1981-05-27 Air flow meter for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56079317A JPS57194314A (en) 1981-05-27 1981-05-27 Air flow meter for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS57194314A true JPS57194314A (en) 1982-11-29

Family

ID=13686487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56079317A Pending JPS57194314A (en) 1981-05-27 1981-05-27 Air flow meter for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57194314A (en)

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