发明名称 |
EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE |
摘要 |
An internal combustion engine in an engine exhaust passage of which a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. On the exhaust purification catalyst (13), platinum Pt (51) is carried and a basic layer (53) is formed. A concentration of hydrocarbons flowing into the exhaust purification catalyst (13) is made to vibrate within a predetermined range of amplitude of 200 ppm or more and within a predetermined range of period of 5 seconds or less whereby NO x which is contained in the exhaust gas is reduced in the exhaust purification catalyst (13). |
申请公布号 |
CA2750738(A1) |
申请公布日期 |
2011.09.15 |
申请号 |
CA20102750738 |
申请日期 |
2010.03.15 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
BISAIJI, YUKI;YOSHIDA, KOHEI;INOUE, MIKIO |
分类号 |
B01D53/94;B01D53/56 |
主分类号 |
B01D53/94 |
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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