Particulate control

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...

Reexamination Certificate

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Details

C060S274000, C060S286000, C060S295000, C060S301000, C060S303000, C422S170000, C422S172000, C422S177000

Reexamination Certificate

active

06877313

ABSTRACT:
An improved system for treating the aftertreatment of exhaust gases, especially from diesel engines, comprises a first catalyst (20) effective to oxidise hydrocarbons, a second catalyst (22) effective to convert NO to NO2, a trap (24) for particulates, on which particulates may combust with the NO2, and optionally a NOxabsorption material (26).

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British Search Report dated Jul. 13, 1999.

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