GB1470155A - Exhaust gas sensor failure detection system - Google Patents

Exhaust gas sensor failure detection system

Info

Publication number
GB1470155A
GB1470155A GB2869975A GB2869975A GB1470155A GB 1470155 A GB1470155 A GB 1470155A GB 2869975 A GB2869975 A GB 2869975A GB 2869975 A GB2869975 A GB 2869975A GB 1470155 A GB1470155 A GB 1470155A
Authority
GB
United Kingdom
Prior art keywords
threshold
sensor output
capacitor
output
comparator
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
Application number
GB2869975A
Other languages
English (en)
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Publication of GB1470155A publication Critical patent/GB1470155A/en
Expired 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • G01M15/104—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using oxygen or lambda-sensors
    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4065—Circuit arrangements specially adapted therefor
    • 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
    • G01N33/0006—Calibrating gas analysers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Emergency Medicine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
GB2869975A 1974-09-30 1975-07-08 Exhaust gas sensor failure detection system Expired GB1470155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/510,277 US3938075A (en) 1974-09-30 1974-09-30 Exhaust gas sensor failure detection system

Publications (1)

Publication Number Publication Date
GB1470155A true GB1470155A (en) 1977-04-14

Family

ID=24030082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2869975A Expired GB1470155A (en) 1974-09-30 1975-07-08 Exhaust gas sensor failure detection system

Country Status (7)

Country Link
US (1) US3938075A (enExample)
JP (1) JPS5821697B2 (enExample)
CA (1) CA1032781A (enExample)
DE (1) DE2530849A1 (enExample)
FR (1) FR2333125A1 (enExample)
GB (1) GB1470155A (enExample)
IT (1) IT1042974B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135462A (en) * 1983-02-22 1984-08-30 Autotech Developments Limited Monitoring gas composition
EP0270088A1 (en) * 1986-12-05 1988-06-08 Sumitomo Electric Industries, Ltd. Automatic calibration apparatus for a partial gas pressure measuring sensor

Families Citing this family (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170969A (en) * 1974-06-11 1979-10-16 Nissan Motor Company, Limited Air fuel mixture control apparatus for internal combustion engines
JPS5228934B2 (enExample) * 1974-11-01 1977-07-29
CA1084143A (en) * 1975-02-25 1980-08-19 Junuthula N. Reddy System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
JPS51104131A (en) * 1975-03-10 1976-09-14 Hitachi Ltd Enjinno kunenhiseigyosochi
US4067061A (en) * 1975-03-18 1978-01-03 Rockwell International Corporation Monitoring and recording system for vehicles
SE411784B (sv) * 1975-04-18 1980-02-04 Bosch Gmbh Robert Sett och anordning for bestemning av varaktighet av brensletillforselpulser
US4119070A (en) * 1975-05-12 1978-10-10 Nissan Motor Company, Ltd. Closed-loop mixture control system for an internal combustion engine with circuitry for testing the function of closed loop
JPS5834660B2 (ja) * 1975-12-25 1983-07-28 日産自動車株式会社 クウネンピセイギヨソウチ
DE2608245C2 (de) * 1976-02-28 1983-08-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Einrichtung zur Überwachung der Betriebsbereitschaft einer Sauerstoffmeßsonde
JPS52135925A (en) * 1976-05-10 1977-11-14 Nissan Motor Co Ltd Air fuel ratio control equipment
US4304204A (en) * 1976-06-11 1981-12-08 Robert Bosch Gmbh Method and apparatus for fuel-air mixture control
JPS586052B2 (ja) * 1976-09-06 1983-02-02 日産自動車株式会社 空燃比制御装置
DE2700629A1 (de) * 1977-01-08 1978-07-20 Bosch Gmbh Robert Vorrichtung zur erkennung der regelbereitschaft einer lambda-sonde
JPS53134491A (en) * 1977-01-17 1978-11-24 Toyota Motor Corp Tester for oxygen concentration detector
US4169439A (en) * 1977-03-21 1979-10-02 Colt Industries Operating Corp. Circuit means and apparatus for controlling the air-fuel ratio supplied to a combustion engine
DE2707383C2 (de) * 1977-02-21 1982-12-02 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Überwachung der Betriebsbereitschaft einer Sauerstoffsonde (λ-Sonde)
JPS591070Y2 (ja) * 1977-03-07 1984-01-12 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US4202301A (en) * 1977-08-31 1980-05-13 Engelhard Minerals & Chemicals Corporation Oxygen sensor control system
DE2750478C2 (de) * 1977-11-11 1986-07-17 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Korrektur der Ausgangsspannungskennlinie einer Sauerstoffmeßsonde mit einem ionenleitenden Festelektrolyten
US4263652A (en) * 1978-02-27 1981-04-21 The Bendix Corporation Oxygen sensor signal conditioner
US4245314A (en) * 1978-02-27 1981-01-13 The Bendix Corporation Oxygen sensor qualifier
DE2838619A1 (de) * 1978-09-05 1980-03-20 Bosch Gmbh Robert Einrichtung zum steuern von betriebsparameterabhaengigen und sich wiederholenden vorgaengen fuer brennkraftmaschinen
US4213180A (en) * 1978-06-22 1980-07-15 The Bendix Corporation Closed loop sensor condition detector
US4271798A (en) * 1978-10-27 1981-06-09 The Bendix Corporation Alternate closed loop control system for an air-fuel ratio controller
US4228675A (en) * 1979-01-22 1980-10-21 Ford Motor Company Exhaust gas sensor electrical circuit improvement
DE2919194C3 (de) * 1979-05-12 1994-07-28 Bosch Gmbh Robert Anordnung zum Regeln der Zusammensetzung des einer Brennkraftmaschine zugeführten Luft-Kraftstoff-Gemischs
US4340885A (en) * 1979-09-24 1982-07-20 Super Shops, Inc. Gas detector
JPS6042367Y2 (ja) 1979-09-28 1985-12-26 日産自動車株式会社 空燃比制御装置
IT1129808B (it) * 1980-03-13 1986-06-11 Fiat Auto Spa Procedimento e dispositivo per la taratura dell emissione di ossido di carbonio al regime minimo di un motore ad iniezione di benzina per autoveicoli
DE3024607A1 (de) * 1980-06-28 1982-02-04 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur regelung des kraftstoff/luftverhaeltnisses bei brennkraftmaschinen
JPS5762944A (en) * 1980-09-02 1982-04-16 Honda Motor Co Ltd Fail-saft device for sensors for detecting states and conditions of internal combustion engine
DE3115404A1 (de) * 1981-04-16 1982-11-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur ueberwachung und kalibrierung von grenzstromsonden
EP0092132B1 (en) * 1982-04-12 1988-12-14 Hitachi, Ltd. Oxygen concentration control system
US4512313A (en) * 1982-06-04 1985-04-23 Mazda Motor Corporation Engine control system having exhaust gas sensor
JPS5960067A (ja) * 1982-09-30 1984-04-05 Fuji Heavy Ind Ltd 内燃機関の電子制御装置
JPS5960068A (ja) * 1982-09-30 1984-04-05 Fuji Heavy Ind Ltd 内燃機関の電子制御装置
JPS5961740A (ja) * 1982-10-01 1984-04-09 Fuji Heavy Ind Ltd 内燃機関用電子制御装置の故障診断表示装置
JPS5963343A (ja) * 1982-10-01 1984-04-11 Fuji Heavy Ind Ltd 内燃機関の電子装置
JPS5963344A (ja) * 1982-10-01 1984-04-11 Fuji Heavy Ind Ltd 内燃機関の自己診断方式
JPS5961742A (ja) * 1982-10-01 1984-04-09 Fuji Heavy Ind Ltd 内燃機関用電子制御装置の故障診断装置
US4546646A (en) * 1982-10-01 1985-10-15 Fuji Jukogyo Kabushiki Kaisha System for diagnosing an internal combustion engine
JPS5961741A (ja) * 1982-10-01 1984-04-09 Fuji Heavy Ind Ltd 内燃機関の電子制御装置
DE3238752C2 (de) * 1982-10-20 1986-11-13 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Eigenüberwachung des Steuergeräts von elektrischen Einspritzsystemen für Brennkraftmaschinen
JPS6011657A (ja) * 1983-06-30 1985-01-21 Honda Motor Co Ltd 内燃エンジンの運転パラメ−タセンサの計測系異常検出装置
NL8304182A (nl) * 1983-12-06 1985-07-01 Philips Nv Gasanalyse-apparaat.
JPS59163144U (ja) * 1984-03-14 1984-11-01 株式会社日立製作所 空燃比フィ−ドバック装置の異常検出装置
DE3676834D1 (de) * 1985-02-28 1991-02-21 Hitachi Ltd System zur bestimmung des luft-kraftstoff-verhaeltnisses.
JPH079417B2 (ja) * 1986-03-27 1995-02-01 本田技研工業株式会社 酸素濃度センサの異常検出方法
JPH073405B2 (ja) * 1986-03-27 1995-01-18 本田技研工業株式会社 酸素濃度センサの異常検出方法
JPH073404B2 (ja) * 1986-03-27 1995-01-18 本田技研工業株式会社 酸素濃度センサの異常検出方法
JPS62182677U (enExample) * 1986-05-09 1987-11-19
KR920000053B1 (ko) * 1987-05-26 1992-01-06 미쓰비시전기 주식회사 엔진 제어장치
JPH0730728B2 (ja) * 1987-05-30 1995-04-10 マツダ株式会社 エンジンのアイドル回転数制御装置
JPS648334A (en) * 1987-06-30 1989-01-12 Mazda Motor Air-fuel ratio controller of engine
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
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
JPH0318644A (ja) * 1989-06-16 1991-01-28 Japan Electron Control Syst Co Ltd 内燃機関の燃料供給制御装置における空燃比検出診断装置
KR970010317B1 (ko) * 1989-06-16 1997-06-25 니뽄 도꾸슈 도교오 가부시끼가이샤 공연비 제어장치
GB8922127D0 (en) * 1989-10-02 1989-11-15 Normalair Garrett Ltd Oxygen monitoring apparatus
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
US5408215A (en) * 1991-09-04 1995-04-18 Ford Motor Company Catalyst monitoring using a hydrocarbon sensor
US5177464A (en) * 1991-09-04 1993-01-05 Ford Motor Company Catalyst monitoring using a hydrocarbon sensor
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
DE4333412A1 (de) * 1993-09-30 1995-04-13 Siemens Ag Verfahren zur Überprüfung der Funktionsfähigkeit von Lambdasonden
US5496450A (en) * 1994-04-13 1996-03-05 Blumenthal; Robert N. Multiple on-line sensor systems and methods
DE19530316C1 (de) * 1995-08-17 1996-09-19 Siemens Ag Diagnoseverfahren für einen Abgassensor
US7090806B1 (en) 2000-05-01 2006-08-15 Peter Lenehan Portable oxygen sensor analyzer
US6667622B1 (en) 2000-05-03 2003-12-23 Peter J. Lenehan Vehicle engine pulse stream analyzer
JP4338586B2 (ja) * 2004-05-26 2009-10-07 株式会社日立製作所 エンジンの排気系診断装置
US8670920B2 (en) 2010-03-04 2014-03-11 Bg Soflex, Llc Uego sensor air-fuel ratio determination system and method
DE102012211685A1 (de) * 2012-07-05 2014-01-09 Robert Bosch Gmbh Verfahren und Vorrichtung zur Bestimmung einer Luftzahl Lambda mit einem Gas-Sensor
JP6311578B2 (ja) * 2014-11-11 2018-04-18 トヨタ自動車株式会社 空燃比センサの異常診断装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788124A (en) * 1971-12-20 1974-01-29 A Teton Gas concentration measuring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135462A (en) * 1983-02-22 1984-08-30 Autotech Developments Limited Monitoring gas composition
EP0270088A1 (en) * 1986-12-05 1988-06-08 Sumitomo Electric Industries, Ltd. Automatic calibration apparatus for a partial gas pressure measuring sensor
US4854153A (en) * 1986-12-05 1989-08-08 Sumitomo Electric Industries, Ltd. Automatic calibration apparatus for a partial gas pressure measuring sensor

Also Published As

Publication number Publication date
JPS5821697B2 (ja) 1983-05-02
IT1042974B (it) 1980-01-30
FR2333125A1 (fr) 1977-06-24
JPS5147487A (en) 1976-04-23
FR2333125B1 (enExample) 1978-04-28
US3938075A (en) 1976-02-10
CA1032781A (en) 1978-06-13
DE2530849A1 (de) 1976-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee