发明名称 |
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE |
摘要 |
<p>When knocking occurs, a control apparatus for an internal combustion engine increases the rotational speed of a pump to increase the flow rate of a coolant supplied to an area near a combustion chamber wall surface, and controls an actual mechanical compression ratio to a low mechanical compression ratio lower than a mechanical compression ratio set based on the load of the engine. Thus, the pressure of end gas is decreased, and occurrence of knocking is suppressed. Then, the actual mechanical compression ratio is returned to the mechanical compression ratio at a time point at which the temperature of the combustion chamber wall surface has been sufficiently decreased due to the increase in the rotational speed. Thus, occurrence of knocking is suppressed while avoiding the situation where the actual mechanical compression ratio continues to be controlled to the low mechanical compression ratio that is lower than the mechanical compression ratio.</p> |
申请公布号 |
EP2140122(A2) |
申请公布日期 |
2010.01.06 |
申请号 |
EP20080737476 |
申请日期 |
2008.04.18 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
KAMIYAMA, EIICHI;AKIHISA, DAISUKE |
分类号 |
F02D15/02;F01P7/14;F01P7/16;F02D13/02;F02D35/02 |
主分类号 |
F02D15/02 |
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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