| 摘要 |
PROBLEM TO BE SOLVED: To effectively prevent occurrence of friction with a case useless for rotation of a driving sprocket of an oil pump and occurrence of dragging noises. SOLUTION: An inner diameter (a dimension D2) of a cylinder projecting portion 44 opposite to an engine side of a sprocket 35 driving the oil pump is formed to be an approximately outer diameter (a dimension D1) or less of a cylinder projecting portion 46 at an engine side of the sprocket 35 driving the oil pump so that pressed force caused by oil pressure pressing the sprocket 35 driving the oil pump to the engine side and pressed force caused by oil pressure pressing the sprocket to the opposite side of en engine are approximately equal. COPYRIGHT: (C)2004,JPO
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