Method and apparatus for controlling regeneration of a...

Details Method and apparatus for controlling regeneration of a... Method and apparatus for controlling regeneration of a...

2005-03-08

2005-03-08

Nguyen, Tu M. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S276000, C060S284000, C060S286000, C060S297000

Reexamination Certificate

active

06862881

ABSTRACT:
Apparatuses and methods for regenerating a particulate filter. A first temperature corresponding to a temperature of a catalyst that is thermally coupled with a particulate filter is determined. A second temperature corresponding to the temperature of the particulate filter is determined. Substantially no unburned hydrocarbons are delivered to the catalyst when the first temperature is below a first threshold and unburned hydrocarbons are delivered to the catalyst when the first temperature is above the first threshold and the second temperature is below a second threshold.

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