DE69707057D1 - Abgasreinigungsvorrichtung für eine Brennkraftmaschine - Google Patents

Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Info

Publication number
DE69707057D1
DE69707057D1 DE69707057T DE69707057T DE69707057D1 DE 69707057 D1 DE69707057 D1 DE 69707057D1 DE 69707057 T DE69707057 T DE 69707057T DE 69707057 T DE69707057 T DE 69707057T DE 69707057 D1 DE69707057 D1 DE 69707057D1
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 - Fee Related
Application number
DE69707057T
Other languages
English (en)
Other versions
DE69707057T2 (de
Inventor
Shinya Hirota
Toshiaki Tanaka
Satoshi Iguchi
Tatsuji Mizuno
Kazuya Kibe
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 DE69707057D1 publication Critical patent/DE69707057D1/de
Publication of DE69707057T2 publication Critical patent/DE69707057T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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
    • F01N3/20—Exhaust 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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2046—Periodically cooling catalytic reactors
    • 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
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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
    • F01N3/20—Exhaust 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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • 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
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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
    • F01N3/20—Exhaust 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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using air
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
DE69707057T 1996-05-24 1997-05-23 Abgasreinigungsvorrichtung für eine Brennkraftmaschine Expired - Fee Related DE69707057T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13015496 1996-05-24
JP28081296A JP3509426B2 (ja) 1996-05-24 1996-10-23 内燃機関の排気ガス浄化装置

Publications (2)

Publication Number Publication Date
DE69707057D1 true DE69707057D1 (de) 2001-11-08
DE69707057T2 DE69707057T2 (de) 2002-03-14

Family

ID=26465352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69707057T Expired - Fee Related DE69707057T2 (de) 1996-05-24 1997-05-23 Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Country Status (4)

Country Link
US (2) US6029443A (de)
EP (1) EP0809000B1 (de)
JP (1) JP3509426B2 (de)
DE (1) DE69707057T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715921A1 (de) * 1997-04-16 1998-10-22 Schatz Thermo Gastech Gmbh Verfahren und Vorrichtung zur Schadstoffminderung
GB2374029B (en) * 1998-05-15 2002-12-31 Arvinmeritor Inc Exhaust system
KR100320767B1 (ko) * 1998-07-29 2002-01-18 모리시타 요이찌 수소정제장치
FR2783279B1 (fr) * 1998-09-11 2000-11-10 Renault Procede et dispositif de depollution des gaz d'echappement et de chauffage pour vehicule automobile a moteur a combustion interne
US6357226B2 (en) * 1998-10-22 2002-03-19 Chrysler Corporation Control system for lean air-fuel ratio NOx catalyst system
US6347511B1 (en) * 1999-12-21 2002-02-19 Ford Global Technologies, Inc. Exhaust gas purification system for lean burn engine
US6449945B1 (en) * 2001-04-18 2002-09-17 Ford Global Technologies, Inc. Emission control system
DE10135646A1 (de) * 2001-07-21 2003-02-06 Ballard Power Systems Vorrichtung und Verfahren zur Reduzierung von Stichoxiden im Abgas einer Brennkraftmaschine
US7572311B2 (en) * 2002-10-28 2009-08-11 Geo2 Technologies, Inc. Highly porous mullite particulate filter substrate
US7582270B2 (en) * 2002-10-28 2009-09-01 Geo2 Technologies, Inc. Multi-functional substantially fibrous mullite filtration substrates and devices
US7574796B2 (en) * 2002-10-28 2009-08-18 Geo2 Technologies, Inc. Nonwoven composites and related products and methods
US6946013B2 (en) * 2002-10-28 2005-09-20 Geo2 Technologies, Inc. Ceramic exhaust filter
US6834498B2 (en) * 2002-11-21 2004-12-28 Ford Global Technologies, Llc Diesel aftertreatment systems
US6862879B2 (en) 2002-11-21 2005-03-08 Ford Global Technologies, Llc Diesel aftertreatment system
US6895747B2 (en) 2002-11-21 2005-05-24 Ford Global Technologies, Llc Diesel aftertreatment systems
CA2453689A1 (en) * 2003-03-14 2004-09-14 Westport Research Inc. Management of thermal fluctuations in lean nox adsorber aftertreatment systems
US7682578B2 (en) 2005-11-07 2010-03-23 Geo2 Technologies, Inc. Device for catalytically reducing exhaust
US7682577B2 (en) * 2005-11-07 2010-03-23 Geo2 Technologies, Inc. Catalytic exhaust device for simplified installation or replacement
US7722828B2 (en) * 2005-12-30 2010-05-25 Geo2 Technologies, Inc. Catalytic fibrous exhaust system and method for catalyzing an exhaust gas
US8857159B2 (en) * 2009-11-25 2014-10-14 Gm Global Technology Operations, Inc. Systems and methods for reducing NOx breakthrough
EP2511492B1 (de) 2009-12-08 2016-05-04 Toyota Jidosha Kabushiki Kaisha Abgasemissionssteuerungssystem für einen verbrennungsmotor
CN104806327B (zh) * 2009-12-08 2017-08-04 丰田自动车株式会社 内燃机的排气净化系统
CN102803673B (zh) * 2010-03-17 2014-08-27 丰田自动车株式会社 内燃机的排气净化装置
CN102918238B (zh) 2011-06-02 2015-09-02 丰田自动车株式会社 内燃机的控制装置
US9051853B2 (en) * 2012-08-29 2015-06-09 GM Global Technology Operations LLC System and method for controlling fluid flow into and/or out of a catalytic heat exchanger based on a catalyst temperature
AT513842B1 (de) * 2013-06-17 2014-08-15 Avl List Gmbh Verfahren zur Überprüfung der Wirksamkeit einer Abgasnachbehandlungseinrichtung
FR3057021A1 (fr) * 2016-10-04 2018-04-06 Peugeot Citroen Automobiles Sa Dispositif de traitement des gaz d’echappement
DE102017123916B4 (de) * 2017-10-13 2019-07-25 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasanlage einer Brennkraftmaschine mit Katalysator
US11448108B1 (en) 2021-10-04 2022-09-20 Ford Global Technologies, Llc System and methods for mitigating hydrocarbon breakthrough

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25858A (en) * 1859-10-18 Carpet-stretcher
US3768982A (en) * 1971-06-22 1973-10-30 Ford Motor Co Catalytic converter with electrically preheated catalyst
FR2166504A5 (de) * 1971-12-28 1973-08-17 Peugeot & Renault
DE2951621A1 (de) * 1979-12-21 1981-07-02 Volkswagenwerk Ag, 3180 Wolfsburg Verfahren und vorrichtung zur regeneration von abgasreinigungsvorrichtungen
JPS57188721A (en) * 1981-05-16 1982-11-19 Nippon Radiator Co Ltd Catalytic converter
JPS6245922A (ja) * 1985-08-22 1987-02-27 Mitsubishi Heavy Ind Ltd エンジンの廃熱回収用熱交換器
DE3713169A1 (de) * 1987-04-17 1988-11-03 Bayer Ag Verfahren und vorrichtung zur reduktion von stickoxiden
US5033264A (en) * 1989-06-16 1991-07-23 Tecogen Inc. Compact cogeneration system
JP2830464B2 (ja) * 1989-12-06 1998-12-02 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5229080A (en) * 1990-06-29 1993-07-20 Ngk Insulators, Ltd. Resistance adjusting type heater and catalytic converter
US5234668A (en) * 1990-07-25 1993-08-10 Ngk Insulators, Ltd. Catalytic converter for use in automotive exhaust emissions control
US5296198A (en) * 1990-11-09 1994-03-22 Ngk Insulators, Ltd. Heater and catalytic converter
JP2616262B2 (ja) * 1991-02-20 1997-06-04 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3055270B2 (ja) * 1991-11-07 2000-06-26 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5376610A (en) * 1992-04-15 1994-12-27 Nissan Motor Co., Ltd. Catalyst for exhaust gas purification and method for exhaust gas purification
US5465573A (en) * 1992-07-29 1995-11-14 Ngk Insulators, Ltd. Multi-stage honeycomb heater
JP3506747B2 (ja) * 1992-12-15 2004-03-15 日本碍子株式会社 ハニカムヒーター
JPH06205939A (ja) * 1993-01-07 1994-07-26 Mitsubishi Heavy Ind Ltd 内燃機関の排ガス浄化装置
US5599509A (en) * 1993-03-17 1997-02-04 Nippondenso Co., Ltd. Honeycomb body and catalyst converter having catalyst carrier configured of this honeycomb
DE4310926A1 (de) * 1993-04-02 1994-10-06 Siemens Ag Vorrichtung und Verfahren zur Schadstoffminderung im Abgas
JPH07132212A (ja) * 1993-09-16 1995-05-23 Toyota Central Res & Dev Lab Inc 排気ガス浄化方法及びその触媒コンバータ
US5417052A (en) * 1993-11-05 1995-05-23 Midwest Research Institute Hybrid solar central receiver for combined cycle power plant
DE4414904C1 (de) * 1994-04-28 1995-04-27 Daimler Benz Ag Temperaturgeregelte Abgaskatalysatoranlage für eine Brennkraftmaschine
US5460511A (en) * 1994-05-04 1995-10-24 Grahn; Dennis Energy efficient afterburner
US5685145A (en) * 1995-02-07 1997-11-11 Engelhard Corporation Method and apparatus for performance enhancement of the manifold catalyst in the automotive exhaust system
JP3550215B2 (ja) * 1995-04-21 2004-08-04 本田技研工業株式会社 内燃エンジンの排気ガス浄化装置
JP3358405B2 (ja) * 1995-09-21 2002-12-16 トヨタ自動車株式会社 電気加熱式触媒を搭載した内燃機関の制御装置
US5765371A (en) * 1995-12-08 1998-06-16 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling internal combustion engine having electrically heated catalyst
JPH09195751A (ja) * 1996-01-18 1997-07-29 Toyota Motor Corp 電気ヒータを備えた触媒の劣化検出装置

Also Published As

Publication number Publication date
JPH1037742A (ja) 1998-02-10
DE69707057T2 (de) 2002-03-14
EP0809000A2 (de) 1997-11-26
EP0809000B1 (de) 2001-10-04
US6021640A (en) 2000-02-08
EP0809000A3 (de) 1998-06-03
JP3509426B2 (ja) 2004-03-22
US6029443A (en) 2000-02-29

Similar Documents

Publication Publication Date Title
DE69807370D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69804371D1 (de) Abgasreinigungseinrichtung für eine Brennkraftmaschine
DE69802766D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69836186D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69815611D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69515803D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69515404T2 (de) Abgasreinigungseinrichtung für eine Brennkraftmaschine
DE69817649D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69816438D1 (de) Abgasreinigungsvorrichtung für eine verbrennungskraftmaschine
DE69602222D1 (de) Abgasreiningungsvorrichtung für eine Brennkraftmaschine
DE69713832T2 (de) Abgasreinigungsvorrichtung für Brennkraftmaschine
DE69912535D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69903873T2 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69922883D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69707057D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine
DE69420488D1 (de) Abgasreinigungsgerät für eine brennkraftmaschine
DE69502663D1 (de) Abgasreinigungsvorrichtung für Brennkraftmaschinen
DE69720883D1 (de) Abgasreinigungsvorrichtung und Verfahen für eine Brennkraftmaschine
DE69628220D1 (de) Abgasreinigungsvorrichtung für Brennkraftmaschine
DE69611944T2 (de) Abgasreinigungsvorrichtung für Brennkraftmaschine
DE69808544T2 (de) Vorrichtung zur Abgasreinigung für eine Brennkraftmaschine
DE59701800D1 (de) Abgasturbolader für eine Brennkraftmaschine
DE69816939D1 (de) Vorrichtung zur Abgasreinigung für eine Brennkraftmaschine
DE69711296T2 (de) Abgasreinigungsvorrichtung für eine selbstzündende Brennkraftmaschine
DE69836708D1 (de) Abgasreinigungsvorrichtung für eine Brennkraftmaschine

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee