| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a blow-by gas reducing device for promoting smooth circulation of oil mist inside an engine while an oil separator of a simple structure is employed. <P>SOLUTION: A blow-by gas passage 21 is formed in a form that vertically extends from a crankcase 10 side to an oil separator 22 disposed inside a head cover 2. This blow-by gas passage 21 is formed in a manner establishing the passage cross-sectional area and passage length where a flow rate of the oil mist of a specific mass or more contained in the blow-by gas is "0" or less in the view from the inlet of the oil separator 22. <P>COPYRIGHT: (C)2013,JPO&INPIT |
