| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a lubricating oil supply part allowing easy formation of an oil passage which is shorter and whose forming member is smaller, by solving the problem wherein in conventional machining process much labor in drilling a crank case is required, particularly, more labor such as for blocking with a blank cap is required when forming a bent oil passage. SOLUTION: The structure comprises a crank shaft supporting wall having a crank shaft supporting part and an oil pump mounting part and extending to the direction of intersecting the axis of the crank shaft and the oil passage forming member mounted on the crank shaft supporting wall and having the oil passage formed on the mounting face thereof ranging to the crank shaft supporting part. An oil pump and the oil passage forming member are arranged on one side face and on the other side face, respectively, with the crank shaft supporting wall therebetween and they are connected via a discharge oil passage hole passing through the crank shaft supporting wall. COPYRIGHT: (C)2004,JPO
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