Method and apparatus for PM filter regeneration

Details Method and apparatus for PM filter regeneration Method and apparatus for PM filter regeneration

2006-01-03

2006-01-03

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By sorber or mechanical separator

C060S295000, C060S274000, C060S278000

Reexamination Certificate

active

06981370

ABSTRACT:
A method and apparatus for initiating regeneration of a particulate matter (PM) filter in an exhaust system in an internal combustion engine. The method and apparatus includes determining a change in pressure of exhaust gases passing through the PM filter, and responsively varying an opening of an intake valve in fluid communication with a combustion chamber.

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