Method of controlling hydrocarbon accumulation in a...

Details Method of controlling hydrocarbon accumulation in a... Method of controlling hydrocarbon accumulation in a...

2008-05-09

2011-12-06

Bomberg, Kenneth (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S274000, C060S285000

Reexamination Certificate

active

08069656

ABSTRACT:
One embodiment of the invention includes a method of operating an internal combustion engine system comprising an engine, an oxidation catalyst, and a particulate filter, the method comprising: determining if the outlet temperature of exhaust gas from the oxidation catalyst is below a first temperature, measuring the time that the outlet temperature of exhaust gas from the oxidation catalyst is below the first temperature, determining if the measured time has exceeded a first time period, and if so, elevating the temperature of the exhaust gas exiting the oxidation catalyst.

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patent: 2005083352 (2005-03-01), None

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