ES2266971T3 - Aparato de control de catalizador y aparato de determinacion del deterioro del catalizador de motor de combustion interna. - Google Patents

Aparato de control de catalizador y aparato de determinacion del deterioro del catalizador de motor de combustion interna. Download PDF

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Publication number
ES2266971T3
ES2266971T3 ES04023104T ES04023104T ES2266971T3 ES 2266971 T3 ES2266971 T3 ES 2266971T3 ES 04023104 T ES04023104 T ES 04023104T ES 04023104 T ES04023104 T ES 04023104T ES 2266971 T3 ES2266971 T3 ES 2266971T3
Authority
ES
Spain
Prior art keywords
catalyst
fuel
enrichment
period
temperature
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 - Lifetime
Application number
ES04023104T
Other languages
English (en)
Spanish (es)
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
Application granted granted Critical
Publication of ES2266971T3 publication Critical patent/ES2266971T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1402Adaptive control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/021Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027Introducing 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
    • F02D41/0275Introducing 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
    • F02D41/028Desulfurisation of NOx traps or adsorbent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446Introducing 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing 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
    • F02D41/1456Introducing 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)
ES04023104T 2003-09-29 2004-09-28 Aparato de control de catalizador y aparato de determinacion del deterioro del catalizador de motor de combustion interna. Expired - Lifetime ES2266971T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-337696 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 (1)

Publication Number Publication Date
ES2266971T3 true ES2266971T3 (es) 2007-03-01

Family

ID=34191572

Family Applications (1)

Application Number Title Priority Date Filing Date
ES04023104T Expired - Lifetime ES2266971T3 (es) 2003-09-29 2004-09-28 Aparato de control de catalizador y aparato de determinacion del deterioro del catalizador de motor de combustion interna.

Country Status (4)

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

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 (en) * 2019-01-11 2020-07-16 Robert Bosch Gmbh Method and device for determining an aging behavior of an exhaust gas after treatment system
DE102023202560B4 (de) * 2023-03-22 2024-11-28 Volkswagen Aktiengesellschaft Verfahren zum Betreiben eines Dieselmotors sowie Dieselmotor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747222C1 (de) * 1997-10-25 1999-03-04 Daimler Benz Ag Verbrennungsmotoranlage mit Stickoxid-Speicherkatalysator und Betriebsverfahren hierfür
DE19926148A1 (de) * 1999-06-09 2000-12-14 Volkswagen Ag Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren
DE10054005A1 (de) * 2000-11-01 2002-05-08 Daimler Chrysler Ag Verfahren zum Betrieb einer Abgasreinigungsanlage mit Stickoxidspeicher
JP3649130B2 (ja) * 2001-01-22 2005-05-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
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 (de) 2006-08-09
JP4314089B2 (ja) 2009-08-12
DE602004001825D1 (de) 2006-09-21
JP2005105871A (ja) 2005-04-21
EP1519021A3 (de) 2005-07-20
EP1519021A2 (de) 2005-03-30
DE602004001825T2 (de) 2007-06-06

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