System and method for regenerating a particulate filter

System and method for regenerating a particulate filter

A system for filtering and oxidizing particulate matter produced by a gasoline direct injection engine is disclosed. In one embodiment, engine cylinder air-fuel is adjusted to allow soot to oxidize at an upstream particulate filter while exhaust gases are efficiently processed in a downstream cataly...

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Bibliographische Detailangaben
Hauptverfasser: Hepburn, Jeffrey Scott, Bidner, David Karl, Ruhland, Helmut Hans, Springer, Moritz Klaus, Lorenz, Thomas, Louven, Georg, Hubbard, Carolyn Parks, McCabe, Robert Walter, Thanasiu, Eva, Kerns, James Michael, Xiao, Nian
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A system for filtering and oxidizing particulate matter produced by a gasoline direct injection engine is disclosed. In one embodiment, engine cylinder air-fuel is adjusted to allow soot to oxidize at an upstream particulate filter while exhaust gases are efficiently processed in a downstream catalyst.