DE60116554D1 - Abgasreinigungsvorrichtung für eine Brennkraftmaschine - Google Patents

Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Info

Publication number
DE60116554D1
DE60116554D1 DE60116554T DE60116554T DE60116554D1 DE 60116554 D1 DE60116554 D1 DE 60116554D1 DE 60116554 T DE60116554 T DE 60116554T DE 60116554 T DE60116554 T DE 60116554T DE 60116554 D1 DE60116554 D1 DE 60116554D1
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
DE60116554T
Other languages
English (en)
Other versions
DE60116554T2 (de
Inventor
Yasuji Ishizuka
Hideaki Takahashi
Yoshiaki Yoshioka
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Application granted granted Critical
Publication of DE60116554D1 publication Critical patent/DE60116554D1/de
Publication of DE60116554T2 publication Critical patent/DE60116554T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9481Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495Controlling the catalytic process
    • 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
    • F01N3/0828Exhaust 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
    • F01N3/10Exhaust 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
    • F01N3/101Three-way catalysts
    • 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
    • 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
    • F02D41/0295Control according to the amount of oxygen that is stored on the exhaust gas treating apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/91NOx-storage component incorporated in the catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • B01D53/9413Processes characterised by a specific catalyst
    • B01D53/9422Processes 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)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • F01N2570/16Oxygen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/08Exhaust gas treatment apparatus parameters
    • F02D2200/0814Oxygen storage amount
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE60116554T 2000-08-30 2001-08-17 Abgasreinigungsvorrichtung für eine Brennkraftmaschine Expired - Lifetime DE60116554T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000261241A JP3835140B2 (ja) 2000-08-30 2000-08-30 エンジンの空燃比制御装置
JP2000261241 2000-08-30

Publications (2)

Publication Number Publication Date
DE60116554D1 true DE60116554D1 (de) 2006-04-06
DE60116554T2 DE60116554T2 (de) 2006-11-16

Family

ID=18749119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60116554T Expired - Lifetime DE60116554T2 (de) 2000-08-30 2001-08-17 Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Country Status (4)

Country Link
US (1) US6766640B2 (de)
EP (1) EP1184555B1 (de)
JP (1) JP3835140B2 (de)
DE (1) DE60116554T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039708A1 (de) * 2000-08-14 2002-03-07 Bosch Gmbh Robert Verfahren und Modell zur Modellierung einer Ausspeicherphase eines Stickoxid-Speicherkatalysators
US6453661B1 (en) * 2001-06-20 2002-09-24 Ford Global Technologies, Inc. System and method for determining target oxygen storage in an automotive catalyst
US6993899B2 (en) * 2001-06-20 2006-02-07 Ford Global Technologies, Llc System and method for controlling catalyst storage capacity
JP3972748B2 (ja) * 2002-07-03 2007-09-05 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP1619373A1 (de) 2003-04-30 2006-01-25 Hitachi, Ltd. Betriebssteuervorrichtung für einen verbrennungsmotor
DE10337873A1 (de) 2003-08-18 2005-04-21 Volkswagen Ag Verfahren zum Betreiben einer Brennkraftmaschine
DE102004021372B4 (de) * 2004-04-30 2014-05-28 Robert Bosch Gmbh Verfahren zum Dosieren eines Reagenzmittels zur Reinigung des Abgases von Brennkraftmaschinen und Vorrichtung zur Durchführung des Verfahrens
JP4645543B2 (ja) * 2006-07-13 2011-03-09 株式会社デンソー 内燃機関用排ガス浄化装置
JP4759496B2 (ja) * 2006-11-24 2011-08-31 本田技研工業株式会社 内燃機関の排ガス浄化装置
US8474243B2 (en) * 2006-12-22 2013-07-02 Cummins, Inc. System for controlling regeneration of an adsorber
JP5104323B2 (ja) * 2008-01-10 2012-12-19 日産自動車株式会社 エンジンの空燃比制御装置及び空燃比制御方法
JP4877246B2 (ja) * 2008-02-28 2012-02-15 トヨタ自動車株式会社 内燃機関の空燃比制御装置
WO2010106695A1 (ja) * 2009-03-19 2010-09-23 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP6244626B2 (ja) * 2012-12-26 2017-12-13 日産自動車株式会社 ディーゼルエンジンの排気後処理装置
DE102014204682A1 (de) 2014-03-13 2015-10-01 Umicore Ag & Co. Kg Katalysatorsystem zur Reduzierung von Schadgasen aus Benzinverbrennungsmotoren
WO2017023758A1 (en) * 2015-08-05 2017-02-09 Cummins Emission Solutions Inc. Oxygen correction for engine-out nox estimates using a nox sensor of an aftertreatment system
JP7047742B2 (ja) * 2018-12-12 2022-04-05 株式会社デンソー 状態推定装置
CN116368045A (zh) 2020-09-25 2023-06-30 日产自动车株式会社 车辆的控制方法以及车辆的控制装置
CN112539113B (zh) * 2020-11-30 2023-01-06 潍柴动力股份有限公司 一种空气系统控制方法及装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0898067B1 (de) 1997-08-21 2004-03-17 Nissan Motor Co., Ltd. Abgasreinigungssystem für eine Brennkraftmaschine
JP3446582B2 (ja) * 1998-01-14 2003-09-16 日産自動車株式会社 エンジンの排気浄化装置
DE19801626B4 (de) * 1998-01-17 2010-08-12 Robert Bosch Gmbh Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren
DE19801625A1 (de) * 1998-01-17 1999-07-22 Bosch Gmbh Robert Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren
JP3663896B2 (ja) * 1998-03-18 2005-06-22 日産自動車株式会社 エンジンの排気浄化装置
DE19816175A1 (de) * 1998-04-14 1999-10-21 Degussa Verfahren zur Überprüfung der Funktionstüchtigkeit eines Stickoxid-Speicherkatalysators
EP0965734B1 (de) * 1998-06-20 2004-10-20 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Regelstrategie für einen NOx-Speicher
JP3478135B2 (ja) 1998-08-06 2003-12-15 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6336320B1 (en) * 1998-07-10 2002-01-08 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
US6289672B1 (en) * 1998-07-21 2001-09-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
JP3572961B2 (ja) * 1998-10-16 2004-10-06 日産自動車株式会社 エンジンの排気浄化装置
EP0997617A1 (de) * 1998-10-28 2000-05-03 Ford Global Technologies, Inc., A subsidiary of Ford Motor Company Verfahren zur Regeneration einer Stickoxidfalle im Abgassystem eines Verbrennungsmotors sowie Vorrichtung zur Durchführung des Verfahrens
JP3649034B2 (ja) * 1999-03-25 2005-05-18 日産自動車株式会社 エンジンの排気浄化装置
JP3536764B2 (ja) * 2000-02-14 2004-06-14 日産自動車株式会社 エンジンの排気浄化装置
US6308697B1 (en) * 2000-03-17 2001-10-30 Ford Global Technologies, Inc. Method for improved air-fuel ratio control in engines
US6427437B1 (en) * 2000-03-17 2002-08-06 Ford Global Technologies, Inc. Method for improved performance of an engine emission control system
US6327847B1 (en) * 2000-03-17 2001-12-11 Ford Global Technologies, Inc. Method for improved performance of a vehicle
US6418711B1 (en) * 2000-08-29 2002-07-16 Ford Global Technologies, Inc. Method and apparatus for estimating lean NOx trap capacity

Also Published As

Publication number Publication date
DE60116554T2 (de) 2006-11-16
US6766640B2 (en) 2004-07-27
EP1184555B1 (de) 2006-01-11
EP1184555A2 (de) 2002-03-06
US20020023432A1 (en) 2002-02-28
EP1184555A3 (de) 2003-11-12
JP2002070611A (ja) 2002-03-08
JP3835140B2 (ja) 2006-10-18

Similar Documents

Publication Publication Date Title
DE60208478D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69925172D1 (de) Abgasreinigungvorrichtung für eine Brennkraftmaschine
DE69903873D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69922883D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE60107156D1 (de) ABGASREINIGUNGSSYSTEM FüR EINE BRENNKRAFTMASCHINE
DE60122984D1 (de) Vorrichtung zur Abgasreinigung für eine Brennkraftmaschine
DE69807370D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69804371T2 (de) Abgasreinigungseinrichtung für eine Brennkraftmaschine
DE69802766D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69836186D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69815611D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69817649D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69816438D1 (de) Abgasreinigungsvorrichtung für eine verbrennungskraftmaschine
DE69934268D1 (de) Eine Abgas-Reinigungseinheit für einen Verbrennungsmotor
DE50102833D1 (de) Abgasturbolader für eine Brennkraftmaschine
DE60201367D1 (de) Abgasreiniger für eine Brennkraftmaschine
DE60102626D1 (de) Abgasvorrichtung für eine Brennkraftmaschine
DE60301246D1 (de) Abgasreinigungsvorrichtung für eine Diesel-Brennkraftmaschine
DE60104615D1 (de) Abgasreinigungsvorrichtung für brennkraftmaschinen
DE60113040D1 (de) Abgasreinigungsvorrichtung für brennkraftmaschinen
DE69707057D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE60126871D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE60008673D1 (de) Abgasrückführungsvorrichtung für eine Brennkraftmaschine
DE60200723D1 (de) Abgasreiniger für eine Brennkraftmaschine
DE60116554D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Legal Events

Date Code Title Description
8364 No opposition during term of opposition