| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a piston oil jet with a bore jet, which improves a lubrication state by positively applying oil to a cylinder bore side and prevents a piston from being burned in the vicinity of a bottom dead center. <P>SOLUTION: An auxiliary injection nozzle 42 is provided with an oil jet 2, which injects the oil toward a region in a lower part of the cylinder bore 11, where a thrust load from the piston 14 is applied with the rotation of a crankshaft 20. <P>COPYRIGHT: (C)2012,JPO&INPIT |
