发明名称 |
Exhaust gas purification unit used in diesel and gasoline direct injection engines has a switching device for introducing a reducing agent into the exhaust gas stream arranged before or within an oxidation catalyst |
摘要 |
Exhaust gas purification unit comprises an oxidation catalyst (4) arranged in the exhaust gas channel of an I.C. engine, a unit for the selective catalytic reduction of the exhaust gas (29), and a feed unit (8) for introducing a reducing agent (81) into the exhaust gas stream or into the selective catalytic reduction unit. A switching device (83) for introducing the reducing agent (81) into the exhaust gas stream is arranged before or within the oxidation catalyst. An Independent claim is also included for a process for purifying an I.C. engine exhaust gas using the above unit.
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申请公布号 |
DE10243270(A1) |
申请公布日期 |
2004.03.25 |
申请号 |
DE2002143270 |
申请日期 |
2002.09.18 |
申请人 |
ROBERT BOSCH GMBH |
发明人 |
SCHALLER, JOHANNES;LUEDERS, HARTMUT;WALZ, CHRISTIAN;MAYER, THORSTEN |
分类号 |
F01N3/021;F01N3/035;F01N3/20;F01N13/02;F02B37/00;(IPC1-7):F01N3/08;B01D53/94 |
主分类号 |
F01N3/021 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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