Ceramic foam prefilter for diesel exhaust filter system

Details Ceramic foam prefilter for diesel exhaust filter system Ceramic foam prefilter for diesel exhaust filter system

1989-09-22

1991-10-01

Woo, Jay H.

Gas separation

With nonliquid cleaning means for separating media

With heating or cooling means

55466, 55523, 55DIG30, 60311, F01N 302

Patent

active

050530623

ABSTRACT:
A filter device for trapping particulates for diesel engine exhaust gases including an electrical heating element for regenerating the primary monolithic ceramic filter and a porous cermaic disc pre-filter between the heating element and the primary filter to provide a practical secondary source of heat when particulates on it combust during regeneration.

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