System and method for reducing NOx emissions in an apparatus...

Details System and method for reducing NOx emissions in an apparatus... System and method for reducing NOx emissions in an apparatus...

2005-09-20

2010-11-16

Denion, Thomas E (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S274000, C060S278000, C060S301000

Reexamination Certificate

active

07832197

ABSTRACT:
A method for a diesel engine includes retarding intake valve timing and advancing exhaust valve timing based on reduced exhaust gas that enters an aftertreatment device. In this way, it is possible to increase the internal exhaust gas recirculation and the temperature of exhaust emitted by the diesel engine.

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