Particulate trap system for engine exhaust using...

Details Particulate trap system for engine exhaust using... Particulate trap system for engine exhaust using...

F - Mech Eng,Light,Heat,Weapons

01

N

172/17

F01N 3/02 (2006.01) F01N 3/027 (2006.01) F01N 3/032 (2006.01) F01N 9/00 (2006.01) F02B 1/04 (2006.01)

Patent

CA 1229555

-21- ABSTRACT An apparatus is disclosed which is operative to remove oxidizable particulates from the exhaust gas of an engine. It has a particulate filter trap disposed in a stream of exhaust gases from the engine, and has electri- cally heated elements effective, when at least a portion of the stream of exhaust gases is displaced with a fluid medium for transfering heat between the elements and the collected particulates, to promote oxidation of the particulates collected in the filter trap. The electri- cally heated elements are supplied with energy generated by an alternator driven by the engine; the elements are first heated to an incineration temperature for the particulates in the absence of gas flow, and heating of the elements is continued in the presence of a flow of an oxygen carrying heat transfer medium to promote complete oxidation of the particulates.

466695

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