发明名称 |
Exhaust purifying device for internal combustion engine |
摘要 |
A NOx removing device 4 having NOx absorbing capacity and ammonia retaining capacity is provided in an exhaust pipe 2 of an internal combustion engine 1 . A reforming catalyst 3 is disposed upstream of the NOx removing device 4 . The reforming catalyst 3 generates hydrogen and carbon monoxide by the steam reforming reaction, when the exhaust gases are in the reducing state. Hydrogen and carbon monoxide generated by the reforming catalyst 3 are supplied to the NOx removing device 4 , and contribute to generation of ammonia. The generated ammonia is retained in the NOx removing device 4 and reduces NOx in exhaust gases when the exhaust gases are in the oxidizing state.
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申请公布号 |
US2007003455(A1) |
申请公布日期 |
2007.01.04 |
申请号 |
US20050564780 |
申请日期 |
2005.03.09 |
申请人 |
HONDA MOTOR CO., LTD. |
发明人 |
MORITA TOMOKO;SUZUKI NORIO;WADA KATSUJI;OHNO HIROSHI;SATOH NAOHIRO |
分类号 |
B01D50/00;B01D53/94;F01N3/08;F01N3/10;F01N3/20;F01N3/24;F01N3/28;F02D41/04 |
主分类号 |
B01D50/00 |
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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