JPS5319887A - Deterioration detecting apparatus for oxygen concentration detector - Google Patents

Deterioration detecting apparatus for oxygen concentration detector

Info

Publication number
JPS5319887A
JPS5319887A JP9412076A JP9412076A JPS5319887A JP S5319887 A JPS5319887 A JP S5319887A JP 9412076 A JP9412076 A JP 9412076A JP 9412076 A JP9412076 A JP 9412076A JP S5319887 A JPS5319887 A JP S5319887A
Authority
JP
Japan
Prior art keywords
oxygen concentration
detecting apparatus
concentration detector
deterioration detecting
deterioration
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
JP9412076A
Other languages
English (en)
Other versions
JPS5732773B2 (ja
Inventor
Tadashi Hatsutori
Kimiaki Yamaguchi
Takamichi Nakase
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 JP9412076A priority Critical patent/JPS5319887A/ja
Priority to US05/815,832 priority patent/US4177787A/en
Priority to DE2735434A priority patent/DE2735434C2/de
Publication of JPS5319887A publication Critical patent/JPS5319887A/ja
Publication of JPS5732773B2 publication Critical patent/JPS5732773B2/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
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/4175—Calibrating or checking the analyser
    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/007—Arrangements to check the analyser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
JP9412076A 1976-08-08 1976-08-08 Deterioration detecting apparatus for oxygen concentration detector Granted JPS5319887A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9412076A JPS5319887A (en) 1976-08-08 1976-08-08 Deterioration detecting apparatus for oxygen concentration detector
US05/815,832 US4177787A (en) 1976-08-08 1977-07-14 Deteriorated condition detecting apparatus for an oxygen sensor
DE2735434A DE2735434C2 (de) 1976-08-08 1977-08-05 Meßvorrichtung zur Feststellung eines Schad- oder Abnutzungszustandes eines in einer Abgasleitung einer Brennkraftmaschine als Teil einer Gemisch-Regelstrecke angeordneten Sauerstoffmeßfühlers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9412076A JPS5319887A (en) 1976-08-08 1976-08-08 Deterioration detecting apparatus for oxygen concentration detector

Publications (2)

Publication Number Publication Date
JPS5319887A true JPS5319887A (en) 1978-02-23
JPS5732773B2 JPS5732773B2 (ja) 1982-07-13

Family

ID=14101556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9412076A Granted JPS5319887A (en) 1976-08-08 1976-08-08 Deterioration detecting apparatus for oxygen concentration detector

Country Status (3)

Country Link
US (1) US4177787A (ja)
JP (1) JPS5319887A (ja)
DE (1) DE2735434C2 (ja)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228675A (en) * 1979-01-22 1980-10-21 Ford Motor Company Exhaust gas sensor electrical circuit improvement
DE3115404A1 (de) * 1981-04-16 1982-11-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur ueberwachung und kalibrierung von grenzstromsonden
CH668620A5 (de) * 1984-04-12 1989-01-13 Daimler Benz Ag Verfahren zur ueberpruefung und justierung von katalytischen abgasreinigungsanlagen von verbrennungsmotoren.
JPS6131640A (ja) * 1984-07-23 1986-02-14 Nippon Soken Inc 空燃比制御装置
JPH0697002B2 (ja) * 1984-11-30 1994-11-30 日本電装株式会社 空燃比センサの良否判定装置
US4744344A (en) * 1985-02-20 1988-05-17 Fuji Jukogyo Kabushiki Kaisha System for compensating an oxygen sensor in an emission control system
USRE33942E (en) * 1985-02-22 1992-06-02 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system in internal combustion engine
US4739614A (en) * 1985-02-22 1988-04-26 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system in internal combustion engine
US4707984A (en) * 1985-04-15 1987-11-24 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system having improved response characteristics
DE3527175A1 (de) * 1985-07-30 1987-02-12 Daimler Benz Ag Verfahren zur erkennung des alterungszustandes eines abgaskatalysators bei einem mit (lambda)-sonderregelung des kraftstoff-luft-verhaeltnisses ausgeruesteten verbrennungsmotor
JPS6293644A (ja) * 1985-10-21 1987-04-30 Honda Motor Co Ltd 排気濃度検出器の特性判定方法
US4747265A (en) * 1985-12-23 1988-05-31 Toyota Jidosha Kabushiki Kaisha Double air-fuel ratio sensor system having improved exhaust emission characteristics
JP2601455B2 (ja) * 1986-04-24 1997-04-16 本田技研工業株式会社 内燃エンジンの空燃比制御方法
US4739740A (en) * 1986-06-06 1988-04-26 Honda Giken Kogyo Kabushiki Kaisha Internal combustion engine air-fuel ratio feedback control method functioning to compensate for aging change in output characteristic of exhaust gas concentration sensor
JPH0713600B2 (ja) * 1986-12-29 1995-02-15 日本特殊陶業株式会社 酸素センサ評価装置
GB8702460D0 (en) * 1987-02-04 1987-03-11 Lucas Elect Electron Syst Electronic control system for i c engine
JPS6410144A (en) * 1987-07-02 1989-01-13 Toyota Central Res & Dev Gas sampling valve
JP2526591B2 (ja) * 1987-07-20 1996-08-21 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP2600208B2 (ja) * 1987-10-20 1997-04-16 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP3009668B2 (ja) * 1988-03-01 2000-02-14 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US4970858A (en) * 1988-03-30 1990-11-20 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor
JPH03202767A (ja) * 1989-06-15 1991-09-04 Honda Motor Co Ltd 内燃エンジンの排気ガス濃度検出器の劣化検出方法
JPH03134240A (ja) * 1989-10-18 1991-06-07 Japan Electron Control Syst Co Ltd 内燃機関の空燃比フィードバック制御装置
JPH0718368B2 (ja) * 1990-04-02 1995-03-06 トヨタ自動車株式会社 内燃機関の触媒劣化検出装置
JP2581828B2 (ja) * 1990-06-01 1997-02-12 株式会社日立製作所 内燃機関の空燃比制御方法及びその制御装置
US5077970A (en) * 1990-06-11 1992-01-07 Ford Motor Company Method of on-board detection of automotive catalyst degradation
JP2666528B2 (ja) * 1990-07-04 1997-10-22 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP2936809B2 (ja) * 1990-07-24 1999-08-23 株式会社デンソー 酸素センサーの劣化検出装置
JP2876544B2 (ja) * 1990-09-05 1999-03-31 本田技研工業株式会社 触媒温度センサ劣化検出装置
JP2881265B2 (ja) * 1991-03-28 1999-04-12 マツダ株式会社 エンジンの排気浄化装置
DE4115288C2 (de) * 1991-05-10 1995-05-04 Bosch Gmbh Robert Einrichtung zum Abgleich von Exemplarstreuung und Temperatureinflüssen mindestens eines Sensors
JP3348434B2 (ja) * 1991-05-17 2002-11-20 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US5099647A (en) * 1991-06-28 1992-03-31 Ford Motor Company Combined engine air/fuel control and catalyst monitoring
DE4125154C2 (de) * 1991-07-30 2001-02-22 Bosch Gmbh Robert Verfahren und Einrichtung zur Lambdasonden-Überwachung bei einer Brennkraftmaschine
JP2570930B2 (ja) * 1991-10-11 1997-01-16 トヨタ自動車株式会社 内燃機関の触媒劣化判別装置
JP2626384B2 (ja) * 1991-12-16 1997-07-02 トヨタ自動車株式会社 触媒劣化判別装置
US5247910A (en) * 1992-02-13 1993-09-28 Ngk Spark Plug Co., Ltd. Air-fuel ratio control apparatus
US5305727A (en) * 1992-06-01 1994-04-26 Ford Motor Company Oxygen sensor monitoring
US5243954A (en) * 1992-12-18 1993-09-14 Dresser Industries, Inc. Oxygen sensor deterioration detection
EP0616119B1 (de) * 1993-03-15 1997-06-18 Siemens Aktiengesellschaft Verfahren zur Überprüfung von Lambdasonden
GB9316280D0 (en) * 1993-08-05 1993-09-22 Capteur Sensors & Analysers Gas sensors
US5392643A (en) * 1993-11-22 1995-02-28 Chrysler Corporation Oxygen heater sensor diagnostic routine
US5379635A (en) * 1993-12-03 1995-01-10 Ford Motor Company Method and apparatus for identifying characteristic shift downward
IT1285311B1 (it) * 1996-03-12 1998-06-03 Magneti Marelli Spa Metodo di diagnosi dell'efficienza di un sensore di composizione stechiometrica dei gas di scarico posto a valle di un convertitore
DE19612706A1 (de) * 1996-03-29 1997-10-02 Sick Ag Meßvorrichtung sowie Verfahren für deren Betrieb
US5625156A (en) * 1996-04-29 1997-04-29 General Motors Corporation Apparatus for sensing exhaust gas
JP3551054B2 (ja) * 1998-12-24 2004-08-04 トヨタ自動車株式会社 空燃比検出装置
JP4737482B2 (ja) * 2001-03-28 2011-08-03 本田技研工業株式会社 内燃機関の触媒劣化検出装置
DE10164293A1 (de) * 2001-12-28 2003-07-10 Wagner Alarm Sicherung Verfahren und Vorrichtung zum Messen des Sauerstoffgehaltes
DE102007042086B4 (de) * 2007-09-05 2014-12-24 Continental Automotive Gmbh Testverfahren für eine Abgassonde einer Brennkraftmaschine, insbesondere für eine Lambda-Sonde
US7900616B2 (en) * 2007-12-12 2011-03-08 Denso Corporation Exhaust gas oxygen sensor monitoring
US9437094B2 (en) * 2014-03-12 2016-09-06 Google Inc. Non-radioactive ionizing smoke detectors and methods for use thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2116097B2 (de) * 1971-04-02 1981-01-29 Bosch Gmbh Robert Vorrichtung zur Regelung der Luftzahl λ des einer Brennkraftmaschine zugeführten Kraftstoff-Luft-Gemisches
DE2304622A1 (de) * 1973-01-31 1974-08-15 Bosch Gmbh Robert Einrichtung zur ueberwachung von katalytischen reaktoren in abgasentgiftungsanlagen von brennkraftmaschinen
US4007589A (en) * 1973-01-31 1977-02-15 Robert Bosch G.M.B.H. Internal combustion exhaust catalytic reactor monitoring system
JPS5534283Y2 (ja) * 1974-06-17 1980-08-14
DE2444334A1 (de) * 1974-09-17 1976-03-25 Bosch Gmbh Robert Verfahren und einrichtung zur ueberwachung der aktivitaet von katalytischen reaktoren
US3948228A (en) * 1974-11-06 1976-04-06 The Bendix Corporation Exhaust gas sensor operational detection system
IT1062859B (it) * 1976-02-16 1985-02-11 Alfa Romeo Spa Motore a combustione interna munito di un sistema di scarico provvisto di sonde per l analisi dei gas di scarico

Also Published As

Publication number Publication date
DE2735434A1 (de) 1978-02-09
DE2735434C2 (de) 1984-03-08
US4177787A (en) 1979-12-11
JPS5732773B2 (ja) 1982-07-13

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