EVAPORATED FUEL TREATMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an evaporated fuel treatment device capable of properly executing fuel supply work while considering prevention of air contamination without specially referring to a tank internal pressure.SOLUTION: An evaporated fuel treatment device 11 includes: a sealing valve 41 for blocking a fuel tank 13 from atmospheric air; a fuel lid 25 covering an oil supply port 19b of a fuel tank 13; an oil supply intention information acquiring portion for acquiring information relating to intention to oil supply; and a control portion instructing opening of the sealing valve 41 in a case when the information on the intention to oil supply is acquired by the oil supply intention acquiring portion, and permits opening of the fuel lid 25 when a lapse time from the time of instructing opening the sealing valve 41, is over a first prescribed time.