| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel filling system capable of preventing a discharge caused by communicatively connecting a device provided in a fuel tank and a device provided in fuel supply means, and having no unnecessary electric power consumption.SOLUTION: A fuel filling system 1 comprises: a fuel supply device 50; a fuel amount measuring device 20 including a light restriction magnet 45 to be moved to an allowable position P1 for allowing light to pass through an optical path 48 wired to the fuel tank 10 and a restriction position P2 for restricting light passing therethrough by movement of a magnet float 47 floated in a fuel tank 10; and a fuel supply control device 60 including a light emission unit 68 for emitting light to an inlet end 21a of the optical path 48, a light receiving unit 69 for receiving light emitted from an outlet end 22a of the optical path 48, and a supply speed control unit 66 for controlling a supply speed of fuel F, made by the fuel supply device 50, on the basis of whether the light receiving unit 69 receives light. |
