A PARTICLE FILTER AND NOX-ABSORBER EXHAUST SYSTEM FOR INTERNAL COMBUSTION ENGINE WITH LUBRICANTS
Publication no.
DE602004003354T2
Priority date
2003-03-08
Filing date
2004-03-08
Published
2007-10-04
Granted
2007-10-04
Assignee
Johnson Matthey Plc
Inventors
Richard Paul PHILLIPS, Friedrich Claus GOERSMANN, Guy Richard Chandler, Philip Gerald Blakeman
Abstract
Exhaust system for a lean-burn engine, the system comprising an optionally catalyzed particulate filter and a second NO x -Absorptionsmittel arranged downstream of the filter and a first NO x -Absorptionsmittel arranged upstream of the filter, characterized in that the first NO x - …
Classification
B01J35/27: Catalysts, in general, characterised by their form or physical properties characterised b…
F01N3/08: Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherw…
B01D53/9422: Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storag…
B01D53/9431: Processes characterised by a specific device
B01D53/9477: Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple suc…
B01J23/22: Vanadium
B01J23/24: Chromium, molybdenum or tungsten
B01J35/19: Catalysts containing parts with different compositions
F01N13/009: Exhaust or silencing apparatus characterised by constructional features having two or mor…
F01N13/0093: Exhaust or silencing apparatus characterised by constructional features having two or mor…
F01N3/02: Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherw…
F01N3/0231: Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherw…
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