EP1759097B1 - Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne - Google Patents

Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne Download PDF

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Publication number
EP1759097B1
EP1759097B1 EP05767079A EP05767079A EP1759097B1 EP 1759097 B1 EP1759097 B1 EP 1759097B1 EP 05767079 A EP05767079 A EP 05767079A EP 05767079 A EP05767079 A EP 05767079A EP 1759097 B1 EP1759097 B1 EP 1759097B1
Authority
EP
European Patent Office
Prior art keywords
iron
containing material
catalytically active
active coating
combustion engine
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.)
Not-in-force
Application number
EP05767079A
Other languages
German (de)
English (en)
Other versions
EP1759097A1 (fr
Inventor
Henning Bockhorn
Sven Kureti
Thomas Schroeder
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1759097A1 publication Critical patent/EP1759097A1/fr
Application granted granted Critical
Publication of EP1759097B1 publication Critical patent/EP1759097B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N3/02—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
    • F01N3/033—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 in combination with other devices
    • F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • 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
    • F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • 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
    • F01N3/0231—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 using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/06—Ceramic, e.g. monoliths
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/065—Surface coverings for exhaust purification, e.g. catalytic reaction for reducing soot ignition temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (17)

  1. Dispositif (3) pour nettoyer les gaz d'échappement d'un moteur à combustion interne (1) comprenant un filtre à particules (4) muni d'un revêtement (8) à activité catalytique, ce revêtement (8) à activité catalytique ayant un matériau de support (9) et un matériau (10) contenant du fer, lié au matériau de support (9) au moins à la surface de celui-ci,
    le matériau de support (9) étant un aluminosilicate ou un oxyde de silicium,
    caractérisé en ce que
    le matériau de support (9) est relié au filtre à particules (4) par un liant (11), le liant étant du ceroxyde.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    le matériau de support (9) est un zéolite.
  3. Dispositif selon la revendication 1,
    caractérisé en ce que
    le matériau de support (9) est un oxyde de silicium dont la structure de l'ossature est de type MCM41 ou MCM48.
  4. Dispositif selon les revendications 1, 2 ou 3,
    caractérisé en ce que
    le matériau (10) contenant du fer est de l'oxyde de fer.
  5. Dispositif selon la revendication 4,
    caractérisé en ce que
    le matériau contenant du fer (10) est constitué de 100 % d'oxyde de fer.
  6. Dispositif selon les revendications 1, 2 ou 3,
    caractérisé en ce que
    le matériau contenant du fer (10) est du fer pur.
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    le matériau contenant du fer (10) est du fer pur à 100 %.
  8. Dispositif selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le matériau contenant du fer (10) est lié au matériau de support (9) par l'intermédiaire d'un revêtement.
  9. Dispositif selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le matériau contenant du fer (10) est appliqué sur le matériau de support (9) par un échange d'ions.
  10. Dispositif selon l'une des revendications 1 à 9,
    caractérisé en ce que
    le revêtement à activité catalytique (8) est un métal noble (12).
  11. Dispositif selon la revendication 10,
    caractérisé en ce que
    le métal noble (12) est appliqué comme couche supplémentaire sur le revêtement à activité catalytique (8).
  12. Dispositif selon la revendication 10,
    caractérisé en ce que
    le métal noble (12) est réparti dans le revêtement à activité catalytique (8).
  13. Dispositif selon les revendications 10, 11 ou 12,
    caractérisé en ce que
    le métal noble (12) est du platine ou du palladium.
  14. Dispositif selon l'une des revendications 2 ou 4 à 11,
    caractérisé en ce que
    le zéolite (9) est un zéolite β.
  15. Dispositif selon l'une des revendications 1 à 14,
    caractérisé en ce que
    le filtre à particules (4) est une céramique ou un métal avec un système de canaux alternant sur les côtés ou un système ouvert.
  16. Installation de gaz d'échappement (2) d'un moteur à combustion interne (1) comportant une conduite de gaz d'échappement (2a) et un dispositif (3) de nettoyage des gaz d'échappement selon l'une des revendications 1 à 15, dispositif monté dans la conduite des gaz d'échappement (2a).
  17. Installation de gaz d'échappement selon la revendication 16,
    caractérisée en ce que
    le dispositif (3) est un catalyseur d'oxydation (13).
EP05767079A 2004-06-11 2005-06-09 Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne Not-in-force EP1759097B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004028276A DE102004028276B4 (de) 2004-06-11 2004-06-11 Vorrichtung zur Reinigung von Abgasen einer Verbrennungskraftmaschine
PCT/EP2005/006219 WO2005121514A1 (fr) 2004-06-11 2005-06-09 Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP1759097A1 EP1759097A1 (fr) 2007-03-07
EP1759097B1 true EP1759097B1 (fr) 2008-10-15

Family

ID=34972921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05767079A Not-in-force EP1759097B1 (fr) 2004-06-11 2005-06-09 Dispositif pour purifier les gaz d'echappement d'un moteur a combustion interne

Country Status (7)

Country Link
US (1) US20080034741A1 (fr)
EP (1) EP1759097B1 (fr)
CN (1) CN101184909B (fr)
AT (1) ATE411450T1 (fr)
DE (2) DE102004028276B4 (fr)
ES (1) ES2312002T3 (fr)
WO (1) WO2005121514A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2943927B1 (fr) * 2009-04-02 2012-03-30 Peugeot Citroen Automobiles Sa Filtre a particules pour moteur a combustion interne

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4711870A (en) * 1985-04-27 1987-12-08 Bridgestone Corporation Exhaust gas purifying catalyst
DE8518123U1 (fr) * 1985-06-21 1988-01-07 Moc-Danner Gmbh, 7403 Ammerbuch, De
DE3716446A1 (de) * 1987-05-16 1988-12-01 Dornier System Gmbh Katalytisches dieselruss-filter
DE3731889A1 (de) * 1987-09-01 1989-06-29 Mototech Motoren Umweltschutz Dieselruss-partikelfilter und verfahren zu seiner herstellung
DE3731899A1 (de) * 1987-09-23 1989-04-27 Klaus Prof Mangold Verfahren zum abscheiden von stickoxiden aus abgasen von feuerungsanlagen
US4902487A (en) * 1988-05-13 1990-02-20 Johnson Matthey, Inc. Treatment of diesel exhaust gases
JP3098083B2 (ja) * 1991-12-26 2000-10-10 マツダ株式会社 排気ガス浄化用触媒
DE4221451C2 (de) * 1992-06-30 1996-02-29 Werner Prof Dr Weisweiler Verfahren und Vorrichtung zur katalysierten Entstickung der Abgase von Dieselmotoren und Mager-Ottomotoren
CA2110308A1 (fr) * 1992-11-30 1994-05-31 Masahito Kida Catalyseur destine a l'epuration des gaz d'echappement de moteur diesel
EP0761289A3 (fr) * 1995-09-08 1997-05-02 Riken Kk Epurateur et méthode pour la purification de gaz d'échappement
US6013599A (en) * 1998-07-15 2000-01-11 Redem Corporation Self-regenerating diesel exhaust particulate filter and material
WO2000029726A1 (fr) * 1998-11-13 2000-05-25 Engelhard Corporation Catalyseur et procede de reduction des emissions de gaz d'echappement
US6333016B1 (en) * 1999-06-02 2001-12-25 The Board Of Regents Of The University Of Oklahoma Method of producing carbon nanotubes
ES2292494T3 (es) * 1999-12-23 2008-03-16 Dow Global Technologies Inc. Dispositivos catalizadores.
DE10001539B4 (de) * 2000-01-14 2006-01-19 Uhde Gmbh Verfahren zur Beseitigung von NOx und N2O
US7052532B1 (en) * 2000-03-09 2006-05-30 3M Innovative Properties Company High temperature nanofilter, system and method
JP4703818B2 (ja) * 2000-06-20 2011-06-15 株式会社アイシーティー 排気ガス浄化用触媒および排気ガス浄化方法
US6826906B2 (en) * 2000-08-15 2004-12-07 Engelhard Corporation Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
US20020172633A1 (en) * 2001-03-06 2002-11-21 Koermer Gerald S. Vehicular atmosphere cleansing system
JP2003135976A (ja) * 2001-11-05 2003-05-13 Denso Corp 自動車用触媒
RU2362613C2 (ru) * 2003-04-17 2009-07-27 Джонсон Мэттей Паблик Лимитед Компани Выхлопная система для двигателей внутреннего сгорания, двигатель внутреннего сгорания и транспортное средство на его основе
US7506504B2 (en) * 2005-12-21 2009-03-24 Basf Catalysts Llc DOC and particulate control system for diesel engines

Also Published As

Publication number Publication date
ATE411450T1 (de) 2008-10-15
ES2312002T3 (es) 2009-02-16
DE502005005700D1 (de) 2008-11-27
DE102004028276B4 (de) 2008-08-21
DE102004028276A1 (de) 2006-01-05
CN101184909B (zh) 2010-06-23
CN101184909A (zh) 2008-05-21
EP1759097A1 (fr) 2007-03-07
WO2005121514A1 (fr) 2005-12-22
US20080034741A1 (en) 2008-02-14

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