A catalyst is positioned downstream of a thermal enhancer, such as a fuel-fired burner for example. A doser injects hydrocarbons into the thermal enhancer to maintain exhaust gas temperatures such that the catalyst is in an active condition and to raise exhaust gas temperatures to a level such that a diesel particulate filter can be regenerated.
申请公布号
WO2011084311(A3)
申请公布日期
2011.10.27
申请号
WO2010US59351
申请日期
2010.12.08
申请人
FAURECIA EMISSIONS CONTROL TECHNOLOGIES, USA, LLC;BIRKBY, NICHOLAS;KHADIYA, NAVIN;CRAWLEY, WILBUR