An exhaust filter 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 fastener limits expansion movement of the heating element relative to the PF.
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.