| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an oil inspection window for an internal combustion engine that maintains good visibility to properly inspect an oil level.SOLUTION: An oil inspection window 4 for an engine 1 (internal combustion engine) includes: a lens 20 through which the level of oil stored in an oil storage chamber 11 of the engine 1 is visible; a reflection member 21 provided in the oil storage chamber 11 while having a space S between the lens 20 and the reflection member; and a cleaner 23 including a magnetic material encapsulated in the space S so as to be movable.</p> |
