| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection oil path reduced in cost and machining man-hours in an oil path for cooling the cylinder head of a multicylinder engine which distributes/collects oil by the connection oil path for connecting a supply oil path for guiding oil to the oil jackets around an ignition plug which are provided to the cylinder head of the multicylinder engine and divided for each cylinder and a discharge oil path for discharging oil from the oil jackets to a rising oil path and a lowering oil path which are provided to the cylinder block and not divided for each cylinder. SOLUTION: The connection oil path is formed of the groove formed in the upper surface of the cylinder block and the lower surface of the cylinder head which closes the upper part of the groove. COPYRIGHT: (C)2010,JPO&INPIT
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