Patent ID: 8789363

Claim:
An emission abatement assembly comprising: a particulate filter, and a fuel-fired burner positioned upstream of the particulate filter, the fuel fired burner comprising: (i) a housing having an exhaust gas inlet port, (ii) a combustion chamber having a shroud secured thereto, the combustion chamber and the shroud cooperate to separate a flow of exhaust gas entering the housing through the exhaust gas inlet port into (a) a combustion flow which is advanced through the combustion chamber of the fuel-fired burner, and (b) a bypass flow which is bypassed around the combustion chamber of the fuel-fired burner, and (iii) a mixing baffle including a collector plate and diverter plate positioned downstream of the combustion chamber and upstream of the particulate filter, the mixing baffle being configured to mix the combustion flow and the bypass flow.