JPS5642132A - Detecting device for air-fuel ratio - Google Patents

Detecting device for air-fuel ratio

Info

Publication number
JPS5642132A
JPS5642132A JP11815479A JP11815479A JPS5642132A JP S5642132 A JPS5642132 A JP S5642132A JP 11815479 A JP11815479 A JP 11815479A JP 11815479 A JP11815479 A JP 11815479A JP S5642132 A JPS5642132 A JP S5642132A
Authority
JP
Japan
Prior art keywords
voltage
air
point
fuel
ratio
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
JP11815479A
Other languages
English (en)
Other versions
JPS6256975B2 (ja
Inventor
Tadashi Hattori
Yoshiki Ueno
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.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP11815479A priority Critical patent/JPS5642132A/ja
Priority to US06/174,446 priority patent/US4344317A/en
Publication of JPS5642132A publication Critical patent/JPS5642132A/ja
Publication of JPS6256975B2 publication Critical patent/JPS6256975B2/ja
Granted 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
    • F02D41/14—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
    • 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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP11815479A 1979-09-14 1979-09-14 Detecting device for air-fuel ratio Granted JPS5642132A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11815479A JPS5642132A (en) 1979-09-14 1979-09-14 Detecting device for air-fuel ratio
US06/174,446 US4344317A (en) 1979-09-14 1980-08-01 Air-fuel ratio detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11815479A JPS5642132A (en) 1979-09-14 1979-09-14 Detecting device for air-fuel ratio

Publications (2)

Publication Number Publication Date
JPS5642132A true JPS5642132A (en) 1981-04-20
JPS6256975B2 JPS6256975B2 (ja) 1987-11-28

Family

ID=14729424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11815479A Granted JPS5642132A (en) 1979-09-14 1979-09-14 Detecting device for air-fuel ratio

Country Status (2)

Country Link
US (1) US4344317A (ja)
JP (1) JPS5642132A (ja)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517062A1 (fr) * 1981-11-20 1983-05-27 Charbonnages De France Procede d'interrogation d'un detecteur de teneur en gaz combustible, dispositif pour sa mise en oeuvre et application a la detection de la teneur en methane
DE3318672A1 (de) * 1983-05-21 1984-11-22 Karl Dungs Gmbh & Co, 7067 Urbach Verfahren zur messung des sauerstoffpartialdruckes in gasen
US4566419A (en) * 1983-08-20 1986-01-28 Nippondenso Co., Ltd. Apparatus and method for controlling air-to-fuel ratio for an internal combustion engine
JPS6131640A (ja) * 1984-07-23 1986-02-14 Nippon Soken Inc 空燃比制御装置
US4721084A (en) * 1985-09-25 1988-01-26 Honda Giken Kogyo Kabushiki Kaisha Method for controlling an oxygen concentration sensor for sensing an oxygen concentration in an exhaust gas of an internal combustion engine
US4665874A (en) * 1985-09-26 1987-05-19 Honda Giken Kogyo Kabushiki Kaisha Device for sensing an oxygen concentration in gaseous body with a pump current supply circuit and an air/fuel ratio control system using an oxygen concentration sensing device
JPH0697220B2 (ja) * 1986-05-08 1994-11-30 株式会社日立製作所 空燃比検出装置
US4730479A (en) * 1986-06-23 1988-03-15 The Standard Oil Company Temperature and humidity compensation for gas detection apparatus
US4750353A (en) * 1987-02-25 1988-06-14 Allied Corporation Method of voltage compensation for an air/fuel ratio sensor
DE4137626A1 (de) * 1991-11-15 1993-05-19 Bosch Gmbh Robert Anschlussschaltung fuer eine sauerstoffsonde und pruefverfahren fuer richtigen sondenanschluss
FR2685085A1 (fr) * 1991-12-12 1993-06-18 Siemens Automotive Sa Dispositif de detection de la teneur en oxygene des gaz d'echappement d'un moteur a combustion interne.
US5263358A (en) * 1992-02-28 1993-11-23 General Motors Corporation Closed-loop air-fuel ratio controller
US5211154A (en) * 1992-10-29 1993-05-18 Ford Motor Company Method and apparatus for maintaining stoichiometric air-to-fuel ratio in an internal combustion engine
EP0687357B1 (en) * 1993-03-01 1997-04-16 Ford Motor Company Current replication circuit and exhaust gas oxygen monitoring
US5454259A (en) * 1993-08-02 1995-10-03 Toyota Jidosha Kabushiki Kaisha Failure detecting apparatus in temperature controller of air-fuel ratio sensor
US5614658A (en) * 1994-06-30 1997-03-25 Dresser Industries Exhaust sensor
JP3257319B2 (ja) * 1995-01-30 2002-02-18 トヨタ自動車株式会社 空燃比検出装置および方法
US5656765A (en) * 1995-06-28 1997-08-12 General Motors Corporation Air/fuel ratio control diagnostic
US5511526A (en) * 1995-06-30 1996-04-30 Ford Motor Company Engine air/fuel control with adaptive learning
JPH09196889A (ja) * 1996-01-16 1997-07-31 Toyota Motor Corp 空燃比検出装置
US5871375A (en) * 1996-10-15 1999-02-16 Itt Manufacturing Enterprises, Inc. High temperature sensor assembly
US6382013B1 (en) * 2000-05-12 2002-05-07 Daimlerchrysler Corporation Method of reading an oxygen sensor input
US7260988B2 (en) 2004-12-17 2007-08-28 Visteon Global Technologies, Inc. Fuel level sender circuit with alternating current direction
US7658184B2 (en) * 2008-05-15 2010-02-09 Lycoming Engines, a division of Avco Corportion Method and apparatus for providing fuel to an aircraft engine
US9157391B2 (en) 2013-03-14 2015-10-13 EMIT Technologies, Inc. Systems and methods for controlling a combustion engine
US10443526B2 (en) * 2016-09-14 2019-10-15 Denso Corporation Air-fuel ratio sensing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52110333A (en) * 1976-03-08 1977-09-16 Nissan Motor Co Ltd Fuel-air ratio control device
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
JPS581745B2 (ja) * 1977-12-16 1983-01-12 株式会社日本自動車部品総合研究所 ガス検出装置
JPS54109523A (en) * 1978-02-17 1979-08-28 Nippon Denso Co Ltd Air fuel ratio controller

Also Published As

Publication number Publication date
US4344317A (en) 1982-08-17
JPS6256975B2 (ja) 1987-11-28

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