DE69817649D1 - Abgasreinigungsvorrichtung für eine Brennkraftmaschine - Google Patents

Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Info

Publication number
DE69817649D1
DE69817649D1 DE69817649T DE69817649T DE69817649D1 DE 69817649 D1 DE69817649 D1 DE 69817649D1 DE 69817649 T DE69817649 T DE 69817649T DE 69817649 T DE69817649 T DE 69817649T DE 69817649 D1 DE69817649 D1 DE 69817649D1
Authority
DE
Germany
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas purification
purification device
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
DE69817649T
Other languages
English (en)
Other versions
DE69817649T2 (de
Inventor
Masato Gotoh
Kenji Katoh
Takamitsu Asanuma
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
Application granted granted Critical
Publication of DE69817649D1 publication Critical patent/DE69817649D1/de
Publication of DE69817649T2 publication Critical patent/DE69817649T2/de
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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0238—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles for regenerating during engine standstill
    • 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
    • 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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • 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
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • 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
    • F01N2610/04—Adding substances to exhaust gases the substance being hydrogen
DE69817649T 1997-04-03 1998-04-02 Abgasreinigungsvorrichtung für eine Brennkraftmaschine Expired - Lifetime DE69817649T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP08529497A JP4034375B2 (ja) 1997-04-03 1997-04-03 内燃機関の排気浄化装置
JP8529497 1997-04-03

Publications (2)

Publication Number Publication Date
DE69817649D1 true DE69817649D1 (de) 2003-10-09
DE69817649T2 DE69817649T2 (de) 2004-07-15

Family

ID=13854573

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69817649T Expired - Lifetime DE69817649T2 (de) 1997-04-03 1998-04-02 Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Country Status (4)

Country Link
US (1) US5974794A (de)
EP (1) EP0869267B1 (de)
JP (1) JP4034375B2 (de)
DE (1) DE69817649T2 (de)

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US6477834B1 (en) * 1997-05-12 2002-11-12 Toyota Jidosha Kabushiki Kaisha Exhaust emission controlling apparatus of internal combustion engine
FR2773843B1 (fr) * 1998-01-19 2000-03-17 Renault Procede de commande de purge d'un pot catalytique de traitement des gaz d'echappement d'un moteur a combustion interne
DE19843423A1 (de) * 1998-09-22 2000-03-30 Siemens Ag Verfahren und Vorrichtung zur katalytischen Beseitigung eines Schadstoffes aus dem Abgas einer Verbrennungsanlage
JP3760053B2 (ja) * 1998-09-30 2006-03-29 本田技研工業株式会社 内燃機関の排気ガス浄化装置
DE19939807C2 (de) 1999-08-21 2001-11-29 Bosch Gmbh Robert Verfahren und Vorrichtung zur Abgasnachbehandlung des von einem Verbrennungsmotor erzeugten Abgases und dessen Verwendung
US6253543B1 (en) * 1999-08-24 2001-07-03 Ford Global Technologies, Inc. Lean catalyst and particulate filter control
US6237326B1 (en) * 1999-08-24 2001-05-29 Ford Global Technolgies, Inc. Engine control system and method with lean catalyst and particulate filter
US6860100B1 (en) * 2000-03-17 2005-03-01 Ford Global Technologies, Llc Degradation detection method for an engine having a NOx sensor
US6360530B1 (en) 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for measuring lean-burn engine emissions
US6360529B1 (en) * 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for enabling lean engine operation upon engine start-up
JP2001355485A (ja) * 2000-06-16 2001-12-26 Isuzu Motors Ltd 窒素酸化物吸蔵還元型触媒を備えた排気ガス浄化装置
US6691507B1 (en) 2000-10-16 2004-02-17 Ford Global Technologies, Llc Closed-loop temperature control for an emission control device
US6415602B1 (en) 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
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
US6453666B1 (en) 2001-06-19 2002-09-24 Ford Global Technologies, Inc. Method and system for reducing vehicle tailpipe emissions when operating lean
US6615577B2 (en) 2001-06-19 2003-09-09 Ford Global Technologies, Llc Method and system for controlling a regeneration cycle of an emission control device
US6604504B2 (en) 2001-06-19 2003-08-12 Ford Global Technologies, Llc Method and system for transitioning between lean and stoichiometric operation of a lean-burn engine
US6467259B1 (en) 2001-06-19 2002-10-22 Ford Global Technologies, Inc. Method and system for operating dual-exhaust engine
US6539706B2 (en) 2001-06-19 2003-04-01 Ford Global Technologies, Inc. Method and system for preconditioning an emission control device for operation about stoichiometry
US6490860B1 (en) 2001-06-19 2002-12-10 Ford Global Technologies, Inc. Open-loop method and system for controlling the storage and release cycles of an emission control device
US6694244B2 (en) 2001-06-19 2004-02-17 Ford Global Technologies, Llc Method for quantifying oxygen stored in a vehicle emission control device
US6553754B2 (en) 2001-06-19 2003-04-29 Ford Global Technologies, Inc. Method and system for controlling an emission control device based on depletion of device storage capacity
US6487853B1 (en) 2001-06-19 2002-12-03 Ford Global Technologies. Inc. Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor
US6546718B2 (en) 2001-06-19 2003-04-15 Ford Global Technologies, Inc. Method and system for reducing vehicle emissions using a sensor downstream of an emission control device
US6650991B2 (en) 2001-06-19 2003-11-18 Ford Global Technologies, Llc Closed-loop method and system for purging a vehicle emission control
US6691020B2 (en) 2001-06-19 2004-02-10 Ford Global Technologies, Llc Method and system for optimizing purge of exhaust gas constituent stored in an emission control device
US6502387B1 (en) 2001-06-19 2003-01-07 Ford Global Technologies, Inc. Method and system for controlling storage and release of exhaust gas constituents in an emission control device
JP4239443B2 (ja) 2001-07-26 2009-03-18 トヨタ自動車株式会社 内燃機関の制御装置
US6698191B2 (en) * 2001-08-09 2004-03-02 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
DE10323561A1 (de) * 2003-05-26 2004-12-30 Robert Bosch Gmbh Verfahren zum Betreiben eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Bauteils und Vorrichtung zur Durchführung des Verfahrens
JP4158697B2 (ja) 2003-06-17 2008-10-01 トヨタ自動車株式会社 内燃機関の排気浄化装置および排気浄化方法
US6938412B2 (en) * 2003-08-07 2005-09-06 General Motors Corporation Removing nitrogen oxides during a lean-burn engine cold start
AU2003280744A1 (en) * 2003-11-12 2004-06-06 Hitachi, Ltd. Exhaust gas purification device for internal combustion engine and method of exhaust gas purification
DE102004001331A1 (de) * 2004-01-08 2005-07-28 Robert Bosch Gmbh Verfahren zur Dosierung von Ammoniak in den Abgasbereich einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
DE602004007276T2 (de) * 2004-11-23 2008-03-06 Ford Global Technologies, LLC, Dearborn Verfahren und Vorrichtung zur NOx-Umsetzung
JP2006207575A (ja) * 2004-12-28 2006-08-10 Nissan Motor Co Ltd 内燃機関及びその制御方法
DE102005031816A1 (de) 2005-07-06 2007-01-18 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Reduzierung des Partikel- und Stickoxidanteils im Abgasstrom einer Verbrennungskraftmaschine und entsprechende Abgasaufbereitungseinheit
US20070271906A1 (en) * 2006-03-09 2007-11-29 Berke Paul L System and method for inhibiting regeneration of a diesel particulate filter
EP1936159B1 (de) 2006-12-22 2009-09-02 Ford Global Technologies, LLC Motorsystem und Verfahren zur Regeneration des abgeführten Gases einer Abgasbehandlungsvorrichtung in einem solchen System
EP1936162B1 (de) * 2006-12-22 2013-03-13 Volvo Car Corporation Motorsystem und Verfahren zur Spülgasregenerierung einer Abgasbehandlungsvorrichtung in einem solchen System
JP4888216B2 (ja) * 2007-05-08 2012-02-29 トヨタ自動車株式会社 内燃機関の排気浄化装置
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KR101251505B1 (ko) 2010-12-02 2013-04-05 현대자동차주식회사 질소산화물 저감 촉매에 저장되는 질소산화물의 양을 예측하는 방법 및 이를 이용한 배기 장치
DE102011101079B4 (de) * 2011-05-10 2020-08-20 Umicore Ag & Co. Kg Verfahren zur Regeneration von NOx-Speicherkatalysatoren von Dieselmotoren mit Niederdruck-AGR
DE102011107692B3 (de) 2011-07-13 2013-01-03 Umicore Ag & Co. Kg Verfahren zur Reaktivierung von Abgasreinigungsanlagen von Dieselmotoren mit Niederdruck-AGR
DE102013205541A1 (de) * 2012-07-30 2014-05-15 Ford Global Technologies, Llc Verfahren zum Betrieb eines Verbrennungsmotors, Verfahren zum Ausschalten eines Verbrennungsmotors und Motorsteuervorrichtung
DE102012018673A1 (de) * 2012-09-21 2014-03-27 Fev Gmbh Verfahren zur Regenerierung eines Stickoxid-Speicherkatalysators und Vorrichtung hierfür
JP2014092097A (ja) * 2012-11-05 2014-05-19 Toyota Motor Corp 内燃機関の始動制御装置
EP3043038A1 (de) * 2015-01-12 2016-07-13 Inergy Automotive Systems Research (Société Anonyme) NOx-Reduktionssystem
US9777654B2 (en) * 2016-01-13 2017-10-03 GM Global Technology Operations LLC Method and apparatus for improved lightoff performance of aftertreatment catalysts
JP6544388B2 (ja) * 2017-06-23 2019-07-17 トヨタ自動車株式会社 内燃機関の排気浄化装置

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GB9511421D0 (en) * 1995-06-06 1995-08-02 Johnson Matthey Plc Improvements in emissions control

Also Published As

Publication number Publication date
EP0869267A3 (de) 1999-12-22
JPH10280987A (ja) 1998-10-20
EP0869267B1 (de) 2003-09-03
JP4034375B2 (ja) 2008-01-16
DE69817649T2 (de) 2004-07-15
US5974794A (en) 1999-11-02
EP0869267A2 (de) 1998-10-07

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