CORPS FILTRANT POUR LA FILTRATION DE PARTICULES CONTENUES DANS LES GAZ D'ECHAPPEMENT D'UN MOTEUR A COMBUSTION INTERNE

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.