Patent ID: 7029510

Claim:
A particle filter ( 5 ) with soot combustion for Diesel engines ( 1 ), comprising a filter body ( 10 ) having filter areas of sinter metal through which the engine exhaust gas is conducted from an upstream raw gas side to a downstream clean gas side, said particle filter including electric heaters ( 22 ) disposed at the raw gas side for heating selected filter areas and initiating combustion of the soot collected on the raw gas side of said filter areas by contact-free application of heat to selected filter areas, said filter body ( 10 ) comprising wedge-like filter pockets ( 11 ) having triangular openings ( 15 ) arranged in a common plane and, opposite said triangular openings ( 15 ), front edges ( 18 ) projecting in the upstream direction and triangular back walls ( 17 ) extending said common plane to said front edges at a circumference of said filter body ( 10 ), said pockets forming therebetween chambers which become narrower toward said opening plane ( 15 ) and also toward the area opposite said back walls ( 17 ), said electric heaters ( 22 ) being radiation heaters ( 31 , 33 ) arranged so as to direct heat into the narrowing space between said filter pockets ( 11 ).