Patent ID: 7044992
Filing Date: 2006-05-16
Classification: B01D,F01N,Y10S

Abstract:
1. A particle filter for exhaust gases of internal combustion engine, said particle filter comprising a filter body ( 1 ) including filter pockets ( 2 ) formed from sinter metal sheets, said filter pockets ( 2 ) being wedge-shaped with a triangular cross-section having a blunt end with a pocket opening ( 8 ) and transverse and axial wedge edges ( 7 , 15 ) formed by converging side walls ( 9 , 10 ), said transverse wedge edges ( 7 ) being disposed opposite said blunt end, and said axial wedge edges ( 15 ) extending between said transverse edge ( 7 ) and an apex of the blunt end of said wedge edge, and a wedge cover ( 17 ) disposed opposite the axial wedge edge ( 15 ) and extending between the side walls ( 9 , 10 ), said filter pockets ( 2 ) being arranged adjacent one another such that between adjacent filter pockets ( 2 ) corresponding opposite spaces are formed with openings facing in a direction opposite said blunt end pocket openings ( 8 ), said side walls ( 9 , 10 ) of adjacent filter pockets ( 2 ) being, in the area of at least one side wall edge of adjacent side walls of said filter pockets ( 2 ), spaced from one another by a predetermined distance by bridging means ( 25 – 28 , 30 – 32 ) so as to increase the width between said opposite side walls along said at least one side wall edge.