JPS54109523A - Air fuel ratio controller - Google Patents

Air fuel ratio controller

Info

Publication number
JPS54109523A
JPS54109523A JP1777178A JP1777178A JPS54109523A JP S54109523 A JPS54109523 A JP S54109523A JP 1777178 A JP1777178 A JP 1777178A JP 1777178 A JP1777178 A JP 1777178A JP S54109523 A JPS54109523 A JP S54109523A
Authority
JP
Japan
Prior art keywords
fuel ratio
air fuel
ratio sensor
circuit
temperature
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.)
Granted
Application number
JP1777178A
Other languages
English (en)
Other versions
JPS6118016B2 (ja
Inventor
Hideaki Norimatsu
Koichi Furuta
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 JP1777178A priority Critical patent/JPS54109523A/ja
Priority to US05/964,962 priority patent/US4266519A/en
Priority to FR7835858A priority patent/FR2417638A1/fr
Priority to GB7903509A priority patent/GB2014762B/en
Priority to DE19792906018 priority patent/DE2906018A1/de
Publication of JPS54109523A publication Critical patent/JPS54109523A/ja
Publication of JPS6118016B2 publication Critical patent/JPS6118016B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1455—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor resistivity varying with oxygen concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP1777178A 1978-02-17 1978-02-17 Air fuel ratio controller Granted JPS54109523A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1777178A JPS54109523A (en) 1978-02-17 1978-02-17 Air fuel ratio controller
US05/964,962 US4266519A (en) 1978-02-17 1978-11-30 System for controlling an oxygen concentration in exhaust gases
FR7835858A FR2417638A1 (fr) 1978-02-17 1978-12-20 Dispositif de controle de la concentration en oxygene de gaz d'echappement
GB7903509A GB2014762B (en) 1978-02-17 1979-02-01 Apparatus for controlling the oxygen content of exhaust gases
DE19792906018 DE2906018A1 (de) 1978-02-17 1979-02-16 System zur steuerung der sauerstoffkonzentration der auspuffgase einer brennkraftmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1777178A JPS54109523A (en) 1978-02-17 1978-02-17 Air fuel ratio controller

Publications (2)

Publication Number Publication Date
JPS54109523A true JPS54109523A (en) 1979-08-28
JPS6118016B2 JPS6118016B2 (ja) 1986-05-10

Family

ID=11952970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1777178A Granted JPS54109523A (en) 1978-02-17 1978-02-17 Air fuel ratio controller

Country Status (5)

Country Link
US (1) US4266519A (ja)
JP (1) JPS54109523A (ja)
DE (1) DE2906018A1 (ja)
FR (1) FR2417638A1 (ja)
GB (1) GB2014762B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359030A (en) * 1979-10-25 1982-11-16 Nissan Motor Company, Limited System for feedback control of air/fuel ratio in IC engine with means to control supply of current to oxygen sensor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608328B2 (ja) * 1979-05-31 1985-03-02 日産自動車株式会社 空燃比帰還制御装置
JPS5642132A (en) * 1979-09-14 1981-04-20 Nippon Soken Inc Detecting device for air-fuel ratio
JPS56138437A (en) * 1980-03-28 1981-10-29 Nippon Denso Co Ltd Air-fuel ratio controller
DE4040329C2 (de) * 1990-12-17 2000-06-29 Itvi Inttech Venture Investa Verfahren und Sensor zur Detektion von NOx in komplexen Gasgemischen
EP0488102A3 (en) * 1990-11-24 1993-10-06 E.T.R. Elektronik Technologie Rump Gmbh Method and apparatus for measuring gas
US9157391B2 (en) 2013-03-14 2015-10-13 EMIT Technologies, Inc. Systems and methods for controlling a combustion engine
US10161899B2 (en) * 2014-09-30 2018-12-25 Rosemount Inc. Oxygen sensor with electrochemical protection mode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1376769A (en) * 1971-11-15 1974-12-11 Ford Motor Co Air-fuel ration sensing system
US3915135A (en) * 1973-07-02 1975-10-28 Ford Motor Co Circuit for converting a temperature dependent input signal to a temperature independent output signal
US4156404A (en) * 1975-12-30 1979-05-29 Nissan Motor Company, Limited Electronic closed loop air-fuel ratio control system
DE2623018A1 (de) * 1976-05-22 1977-12-08 Bosch Gmbh Robert Verfahren und vorrichtung zur bestimmung der dauer von kraftstoffeinspritzimpulsen
DE2649272C2 (de) * 1976-05-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart Regelverfahren und Gemischverhältnisregeleinrichtung zur Bestimmung der Verhältnisanteile eines einer Brennkraftmaschine zugeführten Kraftstoff-Luftgemisches
JPS5820379B2 (ja) * 1976-12-28 1983-04-22 日産自動車株式会社 空燃比制御装置
US4156413A (en) * 1977-12-01 1979-05-29 The Bendix Corporation Cruise economy system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359030A (en) * 1979-10-25 1982-11-16 Nissan Motor Company, Limited System for feedback control of air/fuel ratio in IC engine with means to control supply of current to oxygen sensor

Also Published As

Publication number Publication date
GB2014762B (en) 1982-09-08
US4266519A (en) 1981-05-12
FR2417638B1 (ja) 1982-08-27
GB2014762A (en) 1979-08-30
JPS6118016B2 (ja) 1986-05-10
DE2906018A1 (de) 1979-08-30
FR2417638A1 (fr) 1979-09-14

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