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Electrically heated particulate matter filter with recessed inlet end plugs

United States Patent

February 21, 2012
View the Complete Patent at the US Patent & Trademark Office
A particulate matter (PM) filter includes filter walls having inlet ends and outlet ends. First adjacent pairs of the filter walls define inlet channels. Second adjacent pairs of the filter walls define outlet channels. Outlet end plugs are arranged in the inlet channels adjacent to the output ends. Inlet end plugs arranged in the outlet channels spaced from the inlet ends.
Gonze; Eugene V. (Pinckney, MI), Ament; Frank (Troy, MI)
GM Global Technology Operations LLC (Detroit, MI)
12/ 106,594
April 21, 2008
STATEMENT OF GOVERNMENT RIGHTS This invention was produced pursuant to U.S. Government Contract No. DE-FC-04-03 AL67635 with the Department of Energy (DoE). The U.S. Government has certain rights in this invention.