| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil passage structure capable of draining water mixed into a working fluid in an oil reservoir part.SOLUTION: An oil passage structure 10 supplies a working fluid to a chain tensioner 9 provided at an internal combustion engine and includes: an oil passage 11 to which the working fluid is pumped from an oil pump; and an oil reservoir part 12 provided between the oil passage 11 and the chain tensioner 9 and configured to store the working fluid. In the oil reservoir part 12, a drainage passage 12b for draining water mixed into the working fluid is formed at a bottom surface 12a.SELECTED DRAWING: Figure 2 |
