JP4276910B2 - ＮＯｘ触媒の管理方法 - Google Patents

ＮＯｘ触媒の管理方法 Download PDF

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Publication number
JP4276910B2
JP4276910B2 JP2003320029A JP2003320029A JP4276910B2 JP 4276910 B2 JP4276910 B2 JP 4276910B2 JP 2003320029 A JP2003320029 A JP 2003320029A JP 2003320029 A JP2003320029 A JP 2003320029A JP 4276910 B2 JP4276910 B2 JP 4276910B2
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JP
Japan
Prior art keywords
nox catalyst
air
fuel
engine
fuel ratio
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 - Fee Related
Application number
JP2003320029A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004332712A (ja
Inventor
辰優 杉山
雅人 都築
雅彦 石川
暢樹 小林
淳 田原
英長 加藤
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
Priority to JP2003320029A priority Critical patent/JP4276910B2/ja
Priority to EP04008984.9A priority patent/EP1469180B1/de
Priority to ES04008984T priority patent/ES2712136T3/es
Publication of JP2004332712A publication Critical patent/JP2004332712A/ja
Application granted granted Critical
Publication of JP4276910B2 publication Critical patent/JP4276910B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F02D41/1438—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
    • F02D41/146—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 NOx content or concentration
    • F02D41/1463—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 NOx content or concentration of the exhaust gases downstream of exhaust gas treatment apparatus
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055—Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
JP2003320029A 2003-04-15 2003-09-11 ＮＯｘ触媒の管理方法 Expired - Fee Related JP4276910B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003320029A JP4276910B2 (ja) 2003-04-15 2003-09-11 ＮＯｘ触媒の管理方法
EP04008984.9A EP1469180B1 (de) 2003-04-15 2004-04-15 Verfahren zur Regelung eines NOx-Speicherkatalysators
ES04008984T ES2712136T3 (es) 2003-04-15 2004-04-15 Método para gestionar catalizador de NOx

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003110046 2003-04-15
JP2003320029A JP4276910B2 (ja) 2003-04-15 2003-09-11 ＮＯｘ触媒の管理方法

Publications (2)

Publication Number Publication Date
JP2004332712A JP2004332712A (ja) 2004-11-25
JP4276910B2 true JP4276910B2 (ja) 2009-06-10

Family

ID=32911477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003320029A Expired - Fee Related JP4276910B2 (ja) 2003-04-15 2003-09-11 ＮＯｘ触媒の管理方法

Country Status (3)

Country Link
EP (1) EP1469180B1 (de)
JP (1) JP4276910B2 (de)
ES (1) ES2712136T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4349423B2 (ja) * 2007-03-01 2009-10-21 トヨタ自動車株式会社 内燃機関の排気浄化システム
DE102008059698A1 (de) * 2008-11-29 2010-06-02 Daimler Ag Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage
JP7010003B2 (ja) * 2018-01-09 2022-01-26 株式会社デンソー 噴射制御装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59807160D1 (de) * 1997-07-19 2003-03-20 Volkswagen Ag Verfahren und Vorrichtung zur Überwachung der De-Sulfatierung bei NOx-Speicherkatalysatoren
DE19731623B4 (de) * 1997-07-23 2006-11-23 Volkswagen Ag Verfahren und Vorrichtung zur De-Sulfatierung von NOx-Speichern bei Dieselmotoren
DE19849082A1 (de) * 1998-08-07 2000-02-10 Volkswagen Ag Verfahren zur temperatur- und lambdaabhängigen De-Sulfatierung eines NOx-Speicherkatalysators
DE10158568A1 (de) * 2001-11-29 2003-06-26 Bosch Gmbh Robert Verfahren und Anlage zur Regenerierung insbesondere Desulfatisierung eines Speicherkatalysators bei der Abgasreinigung

Also Published As

Publication number Publication date
EP1469180A3 (de) 2005-05-25
ES2712136T3 (es) 2019-05-09
EP1469180A2 (de) 2004-10-20
JP2004332712A (ja) 2004-11-25
EP1469180B1 (de) 2019-01-23

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