| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique effective for making a sub-oil tank compact in an engine oil cooling structure for circulating engine oil within an oil tank of an engine in the sub-oil tank and cooling the engine oil.SOLUTION: A sub-oil tank 20 of an engine oil cooling structure according to the present invention includes a tank housing 20a, an inlet port 20d, an outlet port 20e, a first heat radiation plate 21, a second heat radiation plate 22, and an oil flow-down port 24, and is configured so that engine oil introduced into a cooling space 20c of the tank housing 20a through the inlet port 20d flows on an upper surface of the first heat radiation plate 21 in the first direction, flows downward on an upper surface of the second heat radiation plate 22 through the oil flow-down port 24 and flows in the second direction.SELECTED DRAWING: Figure 2 |
