Skip to Content
Find More Like This
Return to Search

Shielded regeneration heating element for a particulate filter

United States Patent

January 4, 2011
View the Complete Patent at the US Patent & Trademark Office
An exhaust system includes a particulate filter (PF) that is disposed downstream from an engine. The PF filters particulates within an exhaust from the engine. A heating element heats particulate matter in the PF. A catalyst substrate or a flow converter is disposed upstream from said heating element. The catalyst substrate oxidizes the exhaust prior to reception by the heating element. The flow converter converts turbulent exhaust flow to laminar exhaust flow prior to reception by the heating element.
Gonze; Eugene V. (Pinckney, MI), Ament; Frank (Troy, MI)
GM Global Technology Operations, Inc. (
11/ 673,933
February 12, 2007
STATEMENT OF GOVERNMENT RIGHTS Certain of the subject matter of the present application was developed under Contract Number DE-FC-04-03 AL67635 awarded by the Department of Energy. The U.S. government has certain rights in this invention.