JPH0522847B2 - - Google Patents

Info

Publication number
JPH0522847B2
JPH0522847B2 JP59083339A JP8333984A JPH0522847B2 JP H0522847 B2 JPH0522847 B2 JP H0522847B2 JP 59083339 A JP59083339 A JP 59083339A JP 8333984 A JP8333984 A JP 8333984A JP H0522847 B2 JPH0522847 B2 JP H0522847B2
Authority
JP
Japan
Prior art keywords
signal
burn
sensing element
temperature sensing
time width
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 - Lifetime
Application number
JP59083339A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60227125A (ja
Inventor
Susumu Akyama
Katsunori Ito
Chiaki Mizuno
Toshitaka Yamada
Tomoaki Abe
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP59083339A priority Critical patent/JPS60227125A/ja
Priority to US06/723,894 priority patent/US4565091A/en
Priority to DE8585104716T priority patent/DE3567102D1/de
Priority to EP85104716A priority patent/EP0162293B1/en
Publication of JPS60227125A publication Critical patent/JPS60227125A/ja
Publication of JPH0522847B2 publication Critical patent/JPH0522847B2/ja
Granted 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
    • 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
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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
    • 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
    • G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)
JP59083339A 1984-04-20 1984-04-25 熱式空気流量測定装置 Granted JPS60227125A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59083339A JPS60227125A (ja) 1984-04-25 1984-04-25 熱式空気流量測定装置
US06/723,894 US4565091A (en) 1984-04-20 1985-04-16 Apparatus for measuring the quantity of airflow passing through an intake passage of an engine
DE8585104716T DE3567102D1 (en) 1984-04-20 1985-04-18 An apparatus for measuring the quantity of airflow passing through an intake passage of an engine
EP85104716A EP0162293B1 (en) 1984-04-20 1985-04-18 An apparatus for measuring the quantity of airflow passing through an intake passage of an engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59083339A JPS60227125A (ja) 1984-04-25 1984-04-25 熱式空気流量測定装置

Publications (2)

Publication Number Publication Date
JPS60227125A JPS60227125A (ja) 1985-11-12
JPH0522847B2 true JPH0522847B2 (en]) 1993-03-30

Family

ID=13799677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59083339A Granted JPS60227125A (ja) 1984-04-20 1984-04-25 熱式空気流量測定装置

Country Status (1)

Country Link
JP (1) JPS60227125A (en])

Also Published As

Publication number Publication date
JPS60227125A (ja) 1985-11-12

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