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Active Porous Medium Aftertreatment Control System: 5,771,683

Abstract: 

An improved auxiliary heat source for use in an engine cold start emission reduction system includes a flame containment chamber having at least one wall formed of a porous foam material that confines the flame within a predetermined chamber while permitting heat therefrom to emerge and flow to an exhaust system catalyst or, in the case of diesel engines, a particulate trap.

Patent Number: 
5,771,683
Date Of Issue: 
06/29/1998
Inventors: 

Cynthia Chaffin Webb