Patent ID: 7032376
Filing Date: 2006-04-25
Classification: F01N,Y02T,Y10S

Abstract:
1. A burner for use in a post combustion emissions system for an internal combustion engine, the system having an exhaust line from the engine, comprising: a burner head having a tubular outer housing, the outer housing containing: an air bonnet at the combustion end of the outer housing, a fuel injector operable to provide atomized fuel at the center of the air bonnet, a air assist sleeve surrounding the length of the fuel injector and operable to receive compressed air, and a pair of electrodes operable to ignite fuel provided by the fuel injector; wherein the outer housing is open at the combustion end of the outer housing, the open end suitable for attachment to a port of the exhaust line; and a combustion chamber extending from the combustion end of the outer housing, the chamber being open to a flame provided by the burner head and open at the opposing end such that heated air from the flame enters the exhaust line, but otherwise enclosed; wherein the combustion chamber extends into the exhaust line such that exhaust in the exhaust line flows substantially perpendicularly against at least a portion of the outer surface of the combustion chamber.