Exhaust gas after treatment system, especially for a diesel engine

Exhaust gas aftertreatment system, especially for a diesel engine. The invention proposes an exhaust gas aftertreatment system having an exhaust gas particulate filter ( 3 ), a nitrogen oxide reduction catalytic converter ( 7, 8 ) connected downstream of the exhaust gas particulate filter, and an ap...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MAURER BERND, HUTHWOHL GEORG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Exhaust gas aftertreatment system, especially for a diesel engine. The invention proposes an exhaust gas aftertreatment system having an exhaust gas particulate filter ( 3 ), a nitrogen oxide reduction catalytic converter ( 7, 8 ) connected downstream of the exhaust gas particulate filter, and an apparatus ( 17 ) for adding reducing agent. As claimed in the invention, the exhaust gas particulate filter ( 3 ) is designed as a porous cylindrical filter body having a substantially radial exhaust gas inflow direction into the filter body, a filter inner region ( 26 ) for filtered exhaust gas, and an axial exhaust gas outflow direction out of the filter inner region ( 26 ), and reducing agent is added into the filter inner region ( 26 ) via the apparatus ( 17 ) for adding reducing agent. Use in motor vehicles, in particular in commercial vehicles.