| 摘要 |
<P>PROBLEM TO BE SOLVED: To supply a sufficient quantity of oil to a cylinder head side even if the head difference between a crank chamber and a cylinder head become large. <P>SOLUTION: This cylinder head lubricating structure for engine has a breather passage 62 for leading gas including oil mist generated in a crank chamber 17 to a cylinder head by using an oil spring-up means which is housed in the crank chamber 17 so as to spring up the oil according to the rotation of a crankshaft in a crank case 12, a cylinder block and a cylinder head so as to supply lubricating oil to the cylinder head through the breather passage 62. A breather chamber 64 communicating with an end of the breather passage 62 on a crank chamber 17 side thereof is formed in the crank case 12, and a one-way valve 68 for preventing a reverse flow to the crank chamber is fitted to the crank case 12 interposed between the crank chamber 17 and the breather chamber 64. <P>COPYRIGHT: (C)2010,JPO&INPIT |
