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Filter desulfation system and method

United States Patent

August 10, 2010
View the Complete Patent at the US Patent & Trademark Office
A method of removing sulfur from a filter system of an engine includes continuously passing an exhaust flow through a desulfation leg of the filter system during desulfation. The method also includes sensing at least one characteristic of the exhaust flow and modifying a flow rate of the exhaust flow during desulfation in response to the sensing.
Lowe; Michael D. (Metamora, IL), Robel; Wade J. (Normale, IL), Verkiel; Maarten (Metamora, IL), Driscoll; James J. (Dunlap, IL)
Caterpillar Inc (Peoria, IL)
11/ 022,692
December 28, 2004
GOVERNMENT RIGHTS This invention was made with Government support under the terms of Contract No. DE-FC05-97OR22605 awarded by the Department of Energy. The Government may have certain rights in this invention.