Filtering body for filtering particles contained in an internal combustion engine exhaust gases

摘要

The invention concerns a filtering body (7) consisting of a plurality of adjacent channels through the walls of which the exhaust gases are filtered. It comprises first (12 to 23) and second (8 to 11) filtering zones, the surface filtering the gases, relative to the unit area of the gas intake of the body (7), being different in the first (12 to 23) and second (8 to 11) zones. The invention is applicable to a diesel engine.