DE602005026130D1 - System zur bestimmung einer verschlechterung des luft/kraftstoffsensors für selbstzündende brennkraftmotoren - Google Patents

System zur bestimmung einer verschlechterung des luft/kraftstoffsensors für selbstzündende brennkraftmotoren

Info

Publication number
DE602005026130D1
DE602005026130D1 DE602005026130T DE602005026130T DE602005026130D1 DE 602005026130 D1 DE602005026130 D1 DE 602005026130D1 DE 602005026130 T DE602005026130 T DE 602005026130T DE 602005026130 T DE602005026130 T DE 602005026130T DE 602005026130 D1 DE602005026130 D1 DE 602005026130D1
Authority
DE
Germany
Prior art keywords
ignitive
self
internal combustion
combustion engines
fuel sensor
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.)
Active
Application number
DE602005026130T
Other languages
English (en)
Inventor
Hiroshi Sawada
Daisuke Shibata
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE602005026130D1 publication Critical patent/DE602005026130D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
    • 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
    • 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
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F02D41/028—Desulfurisation of NOx traps or adsorbent
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE602005026130T 2004-06-29 2005-06-29 System zur bestimmung einer verschlechterung des luft/kraftstoffsensors für selbstzündende brennkraftmotoren Active DE602005026130D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004191557A JP4218601B2 (ja) 2004-06-29 2004-06-29 圧縮着火内燃機関の空燃比センサ劣化判定システム
PCT/JP2005/012441 WO2006001549A1 (en) 2004-06-29 2005-06-29 Air fuel ratio sensor deterioration determination system for compression ignition internal combustion engine

Publications (1)

Publication Number Publication Date
DE602005026130D1 true DE602005026130D1 (de) 2011-03-10

Family

ID=34971928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005026130T Active DE602005026130D1 (de) 2004-06-29 2005-06-29 System zur bestimmung einer verschlechterung des luft/kraftstoffsensors für selbstzündende brennkraftmotoren

Country Status (5)

Country Link
US (1) US7520274B2 (de)
EP (1) EP1781922B1 (de)
JP (1) JP4218601B2 (de)
DE (1) DE602005026130D1 (de)
WO (1) WO2006001549A1 (de)

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Publication number Priority date Publication date Assignee Title
US20070083307A1 (en) * 2005-10-06 2007-04-12 Spx Corporation Method and apparatus for monitoring an oxygen sensor
JP4686431B2 (ja) * 2006-10-11 2011-05-25 日立オートモティブシステムズ株式会社 空燃比センサの劣化診断装置
JP4803502B2 (ja) * 2007-06-22 2011-10-26 トヨタ自動車株式会社 空燃比センサの異常診断装置
US7900616B2 (en) * 2007-12-12 2011-03-08 Denso Corporation Exhaust gas oxygen sensor monitoring
DE102007059772B4 (de) * 2007-12-12 2014-06-26 Audi Ag Verfahren zur Bestimmung der Sauerstoffspeicherkapazität eines Katalysators für ein Kraftfahrzeug sowie zugehörige Messeinrichtung
BRPI1013878A2 (pt) 2009-03-16 2016-04-05 Genmedica Therapeutics Sl método para tratar distúrbios metabólicos, e, composto
WO2010151690A2 (en) * 2009-06-24 2010-12-29 Cummins Ip, Inc. APPARATUS, SYSTEM, AND METHOD FOR ESTIMATING DETERIORATION OF A NOx SENSOR RESPONSE RATE
KR101126241B1 (ko) * 2009-12-03 2012-03-19 현대자동차주식회사 람다센서의 열화도 판단방법 및 이의 시스템
JP5024405B2 (ja) * 2010-03-09 2012-09-12 トヨタ自動車株式会社 触媒劣化検出装置
JP2012241535A (ja) * 2011-05-16 2012-12-10 Toyota Motor Corp ガスセンサ素子における貴金属触媒の劣化の有無を判定する方法と装置
JP5110194B1 (ja) * 2011-07-12 2012-12-26 トヨタ自動車株式会社 内燃機関の制御装置
EP3015690B1 (de) * 2013-06-26 2019-02-20 Toyota Jidosha Kabushiki Kaisha Diagnosevorrichtung für brennkraftmaschine
JP6036772B2 (ja) * 2013-09-25 2016-11-30 トヨタ自動車株式会社 内燃機関の制御装置
JP6222020B2 (ja) * 2014-09-09 2017-11-01 トヨタ自動車株式会社 空燃比センサの異常診断装置
JP6380022B2 (ja) * 2014-11-07 2018-08-29 株式会社デンソー センサ制御装置
JP6512200B2 (ja) * 2016-09-30 2019-05-15 トヨタ自動車株式会社 内燃機関の排気浄化システム
JP6512199B2 (ja) 2016-09-30 2019-05-15 トヨタ自動車株式会社 内燃機関の排気浄化システム

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JP2916831B2 (ja) 1991-11-05 1999-07-05 株式会社ユニシアジェックス 空燃比制御装置の診断装置
JP3195034B2 (ja) 1992-03-16 2001-08-06 マツダ株式会社 エンジンの排気センサの劣化検出装置
DE59306790D1 (de) 1993-03-15 1997-07-24 Siemens Ag Verfahren zur Überprüfung von Lambdasonden
JPH06346775A (ja) 1993-06-08 1994-12-20 Unisia Jecs Corp 内燃機関の空燃比制御装置
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JP3409832B2 (ja) 1997-04-01 2003-05-26 本田技研工業株式会社 空燃比センサの異常検出装置
DE19722334B4 (de) * 1997-05-28 2011-01-05 Robert Bosch Gmbh Abgassondendiagnoseverfahren und -vorrichtung
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JP3813044B2 (ja) * 2000-01-05 2006-08-23 本田技研工業株式会社 内燃機関の空燃比制御装置
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Also Published As

Publication number Publication date
US7520274B2 (en) 2009-04-21
JP4218601B2 (ja) 2009-02-04
US20080028829A1 (en) 2008-02-07
WO2006001549A1 (en) 2006-01-05
EP1781922B1 (de) 2011-01-26
JP2006009760A (ja) 2006-01-12
EP1781922A1 (de) 2007-05-09

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