发明名称 |
Exhaust gas purification apparatus, internal combustion engine comprising the same, and particulate filter restoring method |
摘要 |
In an embodiment of an exhaust gas purification apparatus, when an accumulation amount of particulate matter in a DPF (33) exceeds a predetermined amount and an exhaust gas temperature of an engine is lower than a restoration operable temperature, an intake air amount reducing operation is executed by an air intake throttling device (24) provided for an air intake pipe (21) of the engine, and a heating operation is executed by an electric heater (34) provided upstream from the DPF (33), thereby increasing the exhaust gas temperature to the restoration operable temperature to start a restoration operation of the DPF (33). |
申请公布号 |
US8091347(B2) |
申请公布日期 |
2012.01.10 |
申请号 |
US20060885240 |
申请日期 |
2006.02.10 |
申请人 |
HARA MICHIHIKO;NISHIMURA AKIHIRO;OKADA SHUSUKE;KITAZAKI MASATO;YANMAR CO., LTD. |
发明人 |
HARA MICHIHIKO;NISHIMURA AKIHIRO;OKADA SHUSUKE;KITAZAKI MASATO |
分类号 |
F01N3/00 |
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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