A fuel filling device is provided with a fuel supply adjusting section which
adjusts
the amount of fuel supplied, a fuel feed line which feeds fuel from a fuel supply
adjusting section to a vehicle W, a nozzle removably coupled to vehicle W that
supplies fuel from fuel feed line to vehicle W, and a discharge device that discharges
fuel present within fuel feed line to the outside to prevent deterioration of packings
used in the device in the case of filling a fuel at high pressure, while also facilitate
the operation of a filling nozzle.
