| 发明名称 |
Exhaust gas purifier |
| 摘要 |
In order to improve the decrease of the catalytic action and the deterioration of the exhaust purification performance, a catalyst installed in the exhaust pipe of an engine and a secondary air pump for supplying secondary air into the exhaust pipe are provided, and the secondary air pump is operated even after the engine has stopped. |
| 申请公布号 |
US7080507(B2) |
申请公布日期 |
2006.07.25 |
| 申请号 |
US20040758268 |
申请日期 |
2004.01.16 |
| 申请人 |
HITACHI CAR ENGINEERING CO., LTD. |
发明人 |
KATOGI KOZO;NAGANO MASAMI;SEKINE HIROSHI;TAKAMURA HIROYUKI;NAKAGAWA SHINJI |
| 分类号 |
F01N3/00;F02M37/00;F01N3/22;F01N3/32;F01N11/00;F01N13/02;F02B37/00 |
主分类号 |
F01N3/00 |
| 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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