IT1042974B - Dispositivo per rivelare l avaria d un peroettore dei gas di scarico su motori endotermici - Google Patents

Dispositivo per rivelare l avaria d un peroettore dei gas di scarico su motori endotermici

Info

Publication number
IT1042974B
IT1042974B IT27776/75A IT2777675A IT1042974B IT 1042974 B IT1042974 B IT 1042974B IT 27776/75 A IT27776/75 A IT 27776/75A IT 2777675 A IT2777675 A IT 2777675A IT 1042974 B IT1042974 B IT 1042974B
Authority
IT
Italy
Prior art keywords
peroector
failure
detect
exhaust gas
endothermal engines
Prior art date
Application number
IT27776/75A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1042974B publication Critical patent/IT1042974B/it

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)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (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)
IT27776/75A 1974-09-30 1975-09-30 Dispositivo per rivelare l avaria d un peroettore dei gas di scarico su motori endotermici IT1042974B (it)

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
IT1042974B true IT1042974B (it) 1980-01-30

Family

ID=24030082

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27776/75A IT1042974B (it) 1974-09-30 1975-09-30 Dispositivo per rivelare l avaria d un peroettore dei gas di scarico su motori endotermici

Country Status (7)

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

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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
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DE2750478C2 (de) * 1977-11-11 1986-07-17 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Korrektur der Ausgangsspannungskennlinie einer Sauerstoffmeßsonde mit einem ionenleitenden Festelektrolyten
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DE2838619A1 (de) * 1978-09-05 1980-03-20 Bosch Gmbh Robert Einrichtung zum steuern von betriebsparameterabhaengigen und sich wiederholenden vorgaengen fuer brennkraftmaschinen
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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
DE3378698D1 (en) * 1982-04-12 1989-01-19 Hitachi Ltd Oxygen concentration control system
US4512313A (en) * 1982-06-04 1985-04-23 Mazda Motor Corporation Engine control system having exhaust gas sensor
JPS5960068A (ja) * 1982-09-30 1984-04-05 Fuji Heavy Ind Ltd 内燃機関の電子制御装置
JPS5960067A (ja) * 1982-09-30 1984-04-05 Fuji Heavy Ind Ltd 内燃機関の電子制御装置
JPS5961741A (ja) * 1982-10-01 1984-04-09 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
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
JPS5963344A (ja) * 1982-10-01 1984-04-11 Fuji Heavy Ind Ltd 内燃機関の自己診断方式
US4546646A (en) * 1982-10-01 1985-10-15 Fuji Jukogyo Kabushiki Kaisha System for diagnosing an internal combustion engine
JPS5963343A (ja) * 1982-10-01 1984-04-11 Fuji Heavy Ind Ltd 内燃機関の電子装置
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GB2135462A (en) * 1983-02-22 1984-08-30 Autotech Developments Limited Monitoring gas composition
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
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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.
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
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
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
JPS62182677U (it) * 1986-05-09 1987-11-19
DE3782921T2 (de) * 1986-12-05 1993-04-08 Sumitomo Electric Industries Automatisches eichgeraet fuer partialdruckmessfuehler.
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
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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)

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
FR2333125B1 (it) 1978-04-28
GB1470155A (en) 1977-04-14
JPS5147487A (en) 1976-04-23
JPS5821697B2 (ja) 1983-05-02
US3938075A (en) 1976-02-10
DE2530849A1 (de) 1976-04-15
CA1032781A (en) 1978-06-13
FR2333125A1 (fr) 1977-06-24

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