Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate
2005-04-12
2005-04-12
Tran, Binh Q. (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
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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Phillips Paul Richard
Twigg Martyn Vincent
Johnson Matthey Public Limited Company
RatnerPrestia
Tran Binh Q.
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