发明名称 |
Control device and control method to exhaust purification device |
摘要 |
A control device of an exhaust purification device is provided with a plurality of addition valves that supply an additive pressure-fed from a pump, to exhaust purification catalysts separately from each other. As for addition valves constituting the plurality of addition valves the addition period of at least one addition valve is set so as to be different from the addition period of another addition valve. |
申请公布号 |
US7775034(B2) |
申请公布日期 |
2010.08.17 |
申请号 |
US20060488055 |
申请日期 |
2006.07.18 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA;KABUSHIKI KAISHA TOYOTA JIDOSHOKKI |
发明人 |
SUZUKI HISANOBU;NAMIKI TADACHIKA;KAWAI KENJI |
分类号 |
F01N3/00;B01D53/94;F01N3/02;F01N3/023;F01N3/025;F01N3/029;F01N3/08;F01N3/24;F01N3/36;F01N13/04 |
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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