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Diesel particulate filter regeneration via resistive surface heating

United States Patent

October 8, 2013
View the Complete Patent at the US Patent & Trademark Office
An exhaust system that processes exhaust generated by an engine is provided. The system includes: a particulate filter (PF) that filters particulates from the exhaust wherein an upstream end of the PF receives exhaust from the engine; and a grid of electrically resistive material that is applied to an exterior upstream surface of the PF and that selectively heats exhaust passing through the grid to initiate combustion of particulates within the PF.
Gonze; Eugene V. (Pinckney, MI), Ament; Frank (Troy, MI)
GM Global Technology Operations LLC (
11/ 557,715
November 8, 2006
STATEMENT OF GOVERNMENT RIGHTS Certain of the subject matter of the present application was developed under Contract Number DE-FC-04-03AL67635 awarded by the Department of Energy. The U.S. government has certain rights in this invention.