发明授权
US09057310B2 Catalysed soot filter for treating the exhaust gas of a compression ignition engine
有权
用于处理压燃式发动机废气的催化烟灰过滤器
- 专利标题： Catalysed soot filter for treating the exhaust gas of a compression ignition engine
- 专利标题（中）： 用于处理压燃式发动机废气的催化烟灰过滤器
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申请号： US14086062申请日： 2013-11-21
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公开(公告)号： US09057310B2公开(公告)日： 2015-06-16
- 发明人: David Bergeal , Andrew Francis Chiffey , John Benjamin Goodwin , Daniel Hatcher , Francois Moreau , Agnes Raj , Raj Rao Rajaram , Paul Richard Phillips , Cathal Prendergast , Gavin Michael Brown
- 申请人： Johnson Matthey Public Limited Company
- 申请人地址： GB London
- 专利权人： Johnson Matthey Public Limited Company
- 当前专利权人： Johnson Matthey Public Limited Company
- 当前专利权人地址： GB London
- 代理商 Kevin M. Carroll
- 优先权： GB1220912.8 20121121; GB1308934.7 20130517
- 主分类号： B01D50/00
- IPC分类号： B01D50/00 ; B01D53/34 ; B01D53/56 ; B01D53/94 ; B01J8/02 ; C01B21/00 ; C01B23/00 ; C01B25/00 ; C01B31/00 ; C01B33/00 ; C01B35/00 ; C01G28/00 ; C01G30/00 ; F01N3/10 ; B01J21/00 ; B01J23/00 ; B01J23/02 ; B01J23/06 ; B01J23/08 ; B01J23/10 ; B01J23/40 ; B01J23/42 ; B01J23/44 ; B01J23/56 ; B01J23/58 ; B01J21/04 ; C01B31/08 ; F01N3/28 ; F01N3/20 ; B01J37/02 ; B01J35/00 ; B01J29/74 ; B01J35/02 ; B01J37/00
摘要：
A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.
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