EP0987408A3 - Procédé de fonctionnement d'un moteur à combustion interne avec composants de purification de gaz d'échappement accumulés en soufre et moteur à combustion interne fonctionnant à l'aide de ce procédé - Google Patents

Procédé de fonctionnement d'un moteur à combustion interne avec composants de purification de gaz d'échappement accumulés en soufre et moteur à combustion interne fonctionnant à l'aide de ce procédé Download PDF

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Publication number
EP0987408A3
EP0987408A3 EP99114565A EP99114565A EP0987408A3 EP 0987408 A3 EP0987408 A3 EP 0987408A3 EP 99114565 A EP99114565 A EP 99114565A EP 99114565 A EP99114565 A EP 99114565A EP 0987408 A3 EP0987408 A3 EP 0987408A3
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
exhaust gas
gas purification
sulfur
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
EP99114565A
Other languages
German (de)
English (en)
Other versions
EP0987408A2 (fr
EP0987408B1 (fr
Inventor
Jürgen Dr. Schmidt
Gerd Tiefenbacher
Anton Waltner
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0987408A2 publication Critical patent/EP0987408A2/fr
Publication of EP0987408A3 publication Critical patent/EP0987408A3/fr
Application granted granted Critical
Publication of EP0987408B1 publication Critical patent/EP0987408B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/009Exhaust 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/009Exhaust 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
    • F01N13/0093Exhaust 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 of the same type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814Exhaust 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828Exhaust 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
    • F01N3/0842Nitrogen oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0878Bypassing absorbents or adsorbents
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30Arrangements for supply of additional air
    • 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
    • F02D41/04Introducing corrections for particular operating conditions
    • F02D41/06Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F02D41/064Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/04Sulfur or sulfur oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14Nitrogen oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06Parameters used for exhaust control or diagnosing
    • F01N2900/16Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1612SOx amount trapped in catalyst

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
EP99114565A 1998-09-17 1999-07-24 Procédé de fonctionnement d'un moteur à combustion interne avec composants de purification de gaz d'échappement accumulant de soufre et un moteur à combustion interne fonctionnant avec ce procédé Expired - Lifetime EP0987408B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19842625 1998-09-17
DE19842625A DE19842625C2 (de) 1998-09-17 1998-09-17 Verfahren zum Betrieb einer Verbrennungsmotoranlage mit schwefelanreichernder Abgasreinigungskomponente und damit betreibbare Verbrennungsmotoranlage

Publications (3)

Publication Number Publication Date
EP0987408A2 EP0987408A2 (fr) 2000-03-22
EP0987408A3 true EP0987408A3 (fr) 2003-01-08
EP0987408B1 EP0987408B1 (fr) 2004-09-08

Family

ID=7881296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114565A Expired - Lifetime EP0987408B1 (fr) 1998-09-17 1999-07-24 Procédé de fonctionnement d'un moteur à combustion interne avec composants de purification de gaz d'échappement accumulant de soufre et un moteur à combustion interne fonctionnant avec ce procédé

Country Status (3)

Country Link
US (1) US6293094B1 (fr)
EP (1) EP0987408B1 (fr)
DE (2) DE19842625C2 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19816276C2 (de) * 1998-04-11 2000-05-18 Audi Ag Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
DE19845397C2 (de) * 1998-10-02 2000-09-14 Daimler Chrysler Ag Verfahren zur Entschwefelung eines motorischen Kraftstoffs an Bord eines Kraftfahrzeugs
DE19922962C2 (de) * 1999-05-19 2003-02-27 Daimler Chrysler Ag Verfahren zur periodischen Desulfatisierung eines Stickoxid- oder Schwefeloxid-Speichers einer Abgasreinigungsanlage
DE19960430B4 (de) * 1999-12-15 2005-04-14 Daimlerchrysler Ag Abgasreinigungsanlage mit Stickoxid-Speicherkatalysator und Schwefeloxid-Falle und Betriebsverfahren hierfür
DE10025044C1 (de) * 2000-05-20 2001-11-29 Daimler Chrysler Ag Abgasreinigungsanlage für eine Verbrennungsvorrichtung und Verfahren zur Durchführung von Desulfatisierungsvorgängen
EP1167710B1 (fr) * 2000-07-01 2005-04-06 Volkswagen Aktiengesellschaft Procédé et dispositif pour augmenter la température d'un catalyseur
DE10038724A1 (de) * 2000-08-09 2002-02-21 Porsche Ag Verfahren und Vorrichtung zur katalytischen Abgasnachbehandlung des Abgases einer Brennkraftmaschine
DE10047809B4 (de) * 2000-09-27 2014-01-09 Volkswagen Ag Vefahren zur Betriebssteuerung einer Sekundärluftpumpe und Abgasreinigungsanlage mit einer Sekundärluftpumpe
US6758036B1 (en) * 2000-10-27 2004-07-06 Delphi Technologies, Inc. Method for sulfur protection of NOx adsorber
JP2002309928A (ja) * 2001-04-13 2002-10-23 Yanmar Diesel Engine Co Ltd 内燃機関の排気浄化装置
JP3757856B2 (ja) * 2001-12-07 2006-03-22 トヨタ自動車株式会社 排気ガス浄化装置
ITBO20010762A1 (it) * 2001-12-14 2003-06-16 Magneti Marelli Powertrain Spa Metodo per la stima del contenuto di zolfo nel carburante di un motore a combustione interna
DE10223595A1 (de) * 2002-05-27 2003-12-11 Volkswagen Ag Verfahren zum Betreiben eines Kraftfahrzeugs mit NOx-Speicherkatalysator
JP2004068700A (ja) 2002-08-06 2004-03-04 Toyota Motor Corp 排気ガス浄化方法
US6832473B2 (en) 2002-11-21 2004-12-21 Delphi Technologies, Inc. Method and system for regenerating NOx adsorbers and/or particulate filters
GB0305415D0 (en) * 2003-03-08 2003-04-16 Johnson Matthey Plc Exhaust system for lean burn IC engine including particulate filter and NOx absorbent
US6779339B1 (en) 2003-05-02 2004-08-24 The United States Of America As Represented By The Environmental Protection Agency Method for NOx adsorber desulfation in a multi-path exhaust system
DE10326592A1 (de) * 2003-06-13 2004-12-30 Daimlerchrysler Ag Verfahren zur Regeneration eines NOx-Speicherkatalysators in einer Abgasanlage einer direkteinspritzenden Ottobrennkraftmaschine
DE102004002292B4 (de) * 2004-01-16 2010-08-12 Audi Ag Abgaskatalysator und Verfahren zum Betreiben einer Abgaskatalysatorvorrichtung
JP2005264735A (ja) * 2004-03-16 2005-09-29 Yamaha Marine Co Ltd 過給機付きエンジン
US7767163B2 (en) * 2004-04-20 2010-08-03 Umicore Ag & Co. Kg Exhaust treatment devices
US7111451B2 (en) * 2004-09-16 2006-09-26 Delphi Technologies, Inc. NOx adsorber diagnostics and automotive exhaust control system utilizing the same
US7770386B2 (en) * 2004-12-28 2010-08-10 Caterpillar Inc Filter desulfation system and method
DE102005033395B4 (de) * 2005-07-16 2007-06-06 Umicore Ag & Co. Kg Verfahren zur Regeneration von Stickoxid-Speicherkatalysatoren
US7435275B2 (en) 2005-08-11 2008-10-14 Delphi Technologies, Inc. System and method of heating an exhaust treatment device
US20070084116A1 (en) * 2005-10-13 2007-04-19 Bayerische Motoren Werke Aktiengesellschaft Reformer system having electrical heating devices
FR2894286B1 (fr) * 2005-12-01 2010-10-29 Peugeot Citroen Automobiles Sa Systeme de determination du niveau d'empoisonnement en soufre de moyens de depollution integres dans une ligne d'echappement d'un moteur de vehicule automobile.
US8429896B2 (en) 2006-04-18 2013-04-30 Kohler Co. Engine exhaust systems with secondary air injection systems
JP4665914B2 (ja) * 2007-02-23 2011-04-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
FR2921970B1 (fr) * 2007-10-03 2011-07-15 Faurecia Sys Echappement Ligne d'echappement de vehicule automobile equipee d'un piege a oxydes d'azote bipassable.
JP2011220158A (ja) 2010-04-07 2011-11-04 Ud Trucks Corp エンジンの排気浄化装置
KR101619184B1 (ko) * 2010-11-03 2016-05-10 현대자동차 주식회사 산화촉매의 탈황장치 및 방법
JP5772985B2 (ja) * 2011-12-27 2015-09-02 トヨタ自動車株式会社 内燃機関の排気制御装置
DE102015219113A1 (de) * 2015-10-02 2017-04-06 Volkswagen Ag Verfahren und Vorrichtung zur Abgasnachbehandlung eines Verbrennungsmotors
DE102018203495A1 (de) * 2018-03-08 2019-09-12 Ford Global Technologies, Llc Anordnung mit einem Dual-LNT-Katalysator und deren Verwendung, Kraftfahrzeug sowie Verfahren zur Behandlung eines Abgasstroms
US11428181B2 (en) 2020-03-25 2022-08-30 Cummins Inc. Systems and methods for ultra-low NOx cold start warmup control and fault diagnosis

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943709A (en) * 1972-01-12 1976-03-16 Exxon Research & Engineering Co. Substoichiometric air addition to first stage of dual catalyst system
JPH09291814A (ja) * 1996-04-26 1997-11-11 Mitsubishi Motors Corp エンジンの排気ガス浄化装置
WO1998027322A1 (fr) * 1996-12-18 1998-06-25 Ford Motor Company Limited PROCEDE SERVANT A DESULFURER LES PIEGES A NOx DANS L'ECHAPPEMENT D'UN MOTEUR
EP1007826A1 (fr) * 1997-08-28 2000-06-14 Johnson Matthey Public Limited Company Perfectionnements se rapportant a des catalyseurs

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577383A (en) * 1991-09-20 1996-11-26 Hitachi, Ltd. Apparatus for controlling internal combustion engine
US5362463A (en) * 1992-08-26 1994-11-08 University Of De Process for removing NOx from combustion zone gases by adsorption
EP0625633B1 (fr) * 1992-12-03 2000-03-15 Toyota Jidosha Kabushiki Kaisha Epurateur de gaz d'echappement pour moteurs a combustion interne
EP0636770B1 (fr) * 1993-01-19 1999-09-08 Toyota Jidosha Kabushiki Kaisha Dispositif de nettoyage de gaz d'echappement pour moteur a combustion interne
US5459999A (en) * 1993-07-05 1995-10-24 Mitsubishi Denki Kabushiki Kaisha Exhaust gas cleaner system for an internal combustion engine with catalytic converter supplied with secondary air
JPH0763048A (ja) * 1993-08-20 1995-03-07 Ngk Insulators Ltd 排ガス浄化システム及び排ガス浄化方法
US5657625A (en) * 1994-06-17 1997-08-19 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Apparatus and method for internal combustion engine control
JP3542404B2 (ja) * 1995-04-26 2004-07-14 本田技研工業株式会社 内燃機関の空燃比制御装置
JPH09119310A (ja) * 1995-10-26 1997-05-06 Denso Corp 内燃機関の排ガス浄化装置
US5656244A (en) * 1995-11-02 1997-08-12 Energy And Environmental Research Corporation System for reducing NOx from mobile source engine exhaust
US5743084A (en) * 1996-10-16 1998-04-28 Ford Global Technologies, Inc. Method for monitoring the performance of a nox trap
JP3645704B2 (ja) * 1997-03-04 2005-05-11 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5832722A (en) * 1997-03-31 1998-11-10 Ford Global Technologies, Inc. Method and apparatus for maintaining catalyst efficiency of a NOx trap
DE19747222C1 (de) * 1997-10-25 1999-03-04 Daimler Benz Ag Verbrennungsmotoranlage mit Stickoxid-Speicherkatalysator und Betriebsverfahren hierfür

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943709A (en) * 1972-01-12 1976-03-16 Exxon Research & Engineering Co. Substoichiometric air addition to first stage of dual catalyst system
JPH09291814A (ja) * 1996-04-26 1997-11-11 Mitsubishi Motors Corp エンジンの排気ガス浄化装置
WO1998027322A1 (fr) * 1996-12-18 1998-06-25 Ford Motor Company Limited PROCEDE SERVANT A DESULFURER LES PIEGES A NOx DANS L'ECHAPPEMENT D'UN MOTEUR
EP1007826A1 (fr) * 1997-08-28 2000-06-14 Johnson Matthey Public Limited Company Perfectionnements se rapportant a des catalyseurs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27) *

Also Published As

Publication number Publication date
EP0987408A2 (fr) 2000-03-22
DE19842625C2 (de) 2003-03-27
DE19842625A1 (de) 2000-03-30
EP0987408B1 (fr) 2004-09-08
US6293094B1 (en) 2001-09-25
DE59910440D1 (de) 2004-10-14

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