Electrically heated particulate filter zone-based post fuel...

Details Electrically heated particulate filter zone-based post fuel... Electrically heated particulate filter zone-based post fuel...

2009-05-18

2011-11-08

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S295000, C060S303000, C060S311000

Reexamination Certificate

active

08051644

ABSTRACT:
A system includes a particulate matter (PM) filter with multiple zones. An electrical heater includes heater segments that are associated with respective ones of the zones. The electrical heater is arranged upstream from and proximate with the PM filter. A post fuel injection system injects fuel into at least one of a cylinder of an engine and an exhaust system. A control module selects one of the zones, adjusts post fuel injection based on the selected one of the zones, and electrically heats the one of the zones via a respective one of the heater segments.

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