发明名称 |
Apparatus and method for filtering engine exhaust gases |
摘要 |
Embodiments of the invention provide an engine aftertreatment apparatus comprising first and second diesel particulate filters (DPFs), the first DPF being provided upstream of the second DPF, the second DPF being provided with a coating of a second DPF catalyst, the second DPF catalyst being arranged to promote reduction of NOx. |
申请公布号 |
US8986636(B2) |
申请公布日期 |
2015.03.24 |
申请号 |
US201214348112 |
申请日期 |
2012.10.01 |
申请人 |
Jaguar Land Rover Limited |
发明人 |
Hartland Jonathan |
分类号 |
B01D46/00;B01D53/56;B01D53/94;F01N3/021;F01N3/035;F01N3/20;B01D46/42;F01N13/00 |
主分类号 |
B01D46/00 |
代理机构 |
Carlson, Gaskey & Olds |
代理人 |
Carlson, Gaskey & Olds |
主权项 |
1. An apparatus comprising first and second diesel particulate filter (DPF) modules, the first DPF being provided upstream of the second DPF, the second DPF comprising a DPF catalyst arranged to promote reduction of one or more nitrogen oxides, wherein the first DPF comprises a filter of flow-through or deep bed type. |
地址 |
Whitley, Coventry GB |