EP1519021A3 - Dispositif pour la détermination de la détérioration d'un catalyseur pour un moteur à combustion interne - Google Patents

Dispositif pour la détermination de la détérioration d'un catalyseur pour un moteur à combustion interne Download PDF

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Publication number
EP1519021A3
EP1519021A3 EP04023104A EP04023104A EP1519021A3 EP 1519021 A3 EP1519021 A3 EP 1519021A3 EP 04023104 A EP04023104 A EP 04023104A EP 04023104 A EP04023104 A EP 04023104A EP 1519021 A3 EP1519021 A3 EP 1519021A3
Authority
EP
European Patent Office
Prior art keywords
richening
period
combustion engine
internal combustion
purification catalyst
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
EP04023104A
Other languages
German (de)
English (en)
Other versions
EP1519021B1 (fr
EP1519021A2 (fr
Inventor
Masaaki c/o Toyota Jidosha K. K. Kobayasi
Naoyuki c/o Toyota Jidosha K. K. Tsuzuki
Masaaki c/o Toyota Jidosha K. K. Yamaguchi
Keiichi c/o K. K. Toyota Jidoshokki Mizuguchi
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 Industries Corp
Toyota Motor Corp
Original Assignee
Toyota Industries Corp
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 Industries Corp, Toyota Motor Corp filed Critical Toyota Industries Corp
Publication of EP1519021A2 publication Critical patent/EP1519021A2/fr
Publication of EP1519021A3 publication Critical patent/EP1519021A3/fr
Application granted granted Critical
Publication of EP1519021B1 publication Critical patent/EP1519021B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1402—Adaptive control
    • 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
    • F02D41/1446—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 exhaust temperatures
    • 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
    • F02D41/1456—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 output signal being linear or quasi-linear with the concentration of oxygen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
EP20040023104 2003-09-29 2004-09-28 Dispositif pour la détermination de la détérioration d'un catalyseur pour un moteur à combustion interne Expired - Lifetime EP1519021B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003337696 2003-09-29
JP2003337696A JP4314089B2 (ja) 2003-09-29 2003-09-29 内燃機関の触媒制御装置及び触媒劣化判定装置

Publications (3)

Publication Number Publication Date
EP1519021A2 EP1519021A2 (fr) 2005-03-30
EP1519021A3 true EP1519021A3 (fr) 2005-07-20
EP1519021B1 EP1519021B1 (fr) 2006-08-09

Family

ID=34191572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040023104 Expired - Lifetime EP1519021B1 (fr) 2003-09-29 2004-09-28 Dispositif pour la détermination de la détérioration d'un catalyseur pour un moteur à combustion interne

Country Status (4)

Country Link
EP (1) EP1519021B1 (fr)
JP (1) JP4314089B2 (fr)
DE (1) DE602004001825T2 (fr)
ES (1) ES2266971T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927362B1 (fr) * 2008-02-07 2013-10-18 Renault Sas Procede et dispositif pour la regeneration d'un dispositif de post-traitement de gaz d'echappement
KR100992812B1 (ko) 2008-10-16 2010-11-08 현대자동차주식회사 선택적 촉매 열화도 추정장치 및 방법
JP5293735B2 (ja) * 2009-03-31 2013-09-18 トヨタ自動車株式会社 内燃機関の排気浄化システム
CN103620172B (zh) 2011-09-06 2016-05-04 丰田自动车株式会社 内燃机的排气净化装置
JP5862438B2 (ja) * 2012-04-25 2016-02-16 トヨタ自動車株式会社 内燃機関の制御装置
DE112013003036T5 (de) * 2012-07-06 2015-04-16 Scania Cv Ab Verfahren zum Schätzen der im Abgasnachbehandlungssystem angesammelten Schwefelmenge
KR101526768B1 (ko) * 2013-12-27 2015-06-05 현대자동차주식회사 질소산화물 정화 장치의 탈황 방법
KR101610463B1 (ko) * 2014-04-02 2016-04-07 현대자동차주식회사 내연기관 질소산화물 정화 장치의 탈황 방법
JP2016133064A (ja) 2015-01-20 2016-07-25 いすゞ自動車株式会社 排気浄化システム
WO2020143028A1 (fr) * 2019-01-11 2020-07-16 Robert Bosch Gmbh Procédé et dispositif pour déterminer un comportement de vieillissement d'un gaz d'échappement après un système de traitement
DE102023202560B4 (de) * 2023-03-22 2024-11-28 Volkswagen Aktiengesellschaft Verfahren zum Betreiben eines Dieselmotors sowie Dieselmotor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19926148A1 (de) * 1999-06-09 2000-12-14 Volkswagen Ag Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren
US6161377A (en) * 1997-10-25 2000-12-19 Daimlerchrysler Ag Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor
US20020092297A1 (en) * 2000-11-01 2002-07-18 Andreas Hertzberg Method for operating an emission control system having nitrogen oxide storage
EP1225323A1 (fr) * 2001-01-22 2002-07-24 Toyota Jidosha Kabushiki Kaisha Dispositif de purification de gaz d'échappement pour un moteur à compustion interne
US6463733B1 (en) * 2001-06-19 2002-10-15 Ford Global Technologies, Inc. Method and system for optimizing open-loop fill and purge times for an emission control device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6161377A (en) * 1997-10-25 2000-12-19 Daimlerchrysler Ag Internal-combustion engine system having a nitrogen oxide storage catalyst and an operating process therefor
DE19926148A1 (de) * 1999-06-09 2000-12-14 Volkswagen Ag Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren
US20020092297A1 (en) * 2000-11-01 2002-07-18 Andreas Hertzberg Method for operating an emission control system having nitrogen oxide storage
EP1225323A1 (fr) * 2001-01-22 2002-07-24 Toyota Jidosha Kabushiki Kaisha Dispositif de purification de gaz d'échappement pour un moteur à compustion interne
US6463733B1 (en) * 2001-06-19 2002-10-15 Ford Global Technologies, Inc. Method and system for optimizing open-loop fill and purge times for an emission control device

Also Published As

Publication number Publication date
EP1519021B1 (fr) 2006-08-09
JP4314089B2 (ja) 2009-08-12
ES2266971T3 (es) 2007-03-01
DE602004001825D1 (de) 2006-09-21
JP2005105871A (ja) 2005-04-21
EP1519021A2 (fr) 2005-03-30
DE602004001825T2 (de) 2007-06-06

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