| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique for making oil include air at starting an internal combustion engine to reduce work load of an oil pump, without supplying oil including air to a component of the internal combustion engine required for lubricating. <P>SOLUTION: During a cranking by at least a starter motor 11 at starting of the internal combustion engine, oil flowing into the oil pump 3 is made to include oil, and the oil including air sent out by the oil pump 3 which is operated by work of the starter motor 11 is returned to an oil pan 2 without being supplied to the component A of the internal combustion engine required for lubricating. <P>COPYRIGHT: (C)2012,JPO&INPIT |
