AUTOMOTIVE 3-WAY CATALYST SYSTEM CONTAINING A TAIL PIPE CATALYST

The presently claimed invention relates an automotive catalyst system which can be used to selectively reduce carbon monoxide. The system comprises a first close coupled three-way conversion catalytic article in fluid communication with an engine exhaust outlet, a catalytic article located downstrea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VJUNOV, Aleksei, DEEBA, Michel
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The presently claimed invention relates an automotive catalyst system which can be used to selectively reduce carbon monoxide. The system comprises a first close coupled three-way conversion catalytic article in fluid communication with an engine exhaust outlet, a catalytic article located downstream of and in fluid communication with the first close coupled three-way conversion catalytic article, a tail-pipe catalytic article arranged downstream in fluid communication and 1.0 to 10 feet away from the catalytic article at a position selected from before or behind a resonator, before or after a muffler, between the resonator and the muffler, inside the muffler, inside the resonator, and at a tail pipe end.