| 摘要 |
PURPOSE: An inspection apparatus for an oil supply hole of engine parts is provided to easily check fluid-communication between a fluid path and the hole by using an optical fiber. CONSTITUTION: An inspection apparatus includes a light emitting device(17) for radiating light into a fluid path(13) and a photo detecting/displaying device(10) inserted into a hole communicated with the fluid path so as to detect light radiated from the light emitting device. Light radiated from the light emitting device is detected by the photo detecting/displaying device. The photo detecting/displaying device has a guide jig member(19) inserted into the hole(15), an optical fiber(12) for transferring light, a photo detecting member(14) and a display member(16) for displaying light by converting light into an electric signal.
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