| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an evaporated fuel processing device that can properly suppress discharging of evaporated fuel to the atmosphere even when an operating period of time of an internal combustion engine is short. Ž<P>SOLUTION: The evaporated fuel processing device 100 includes a canister 40 for adsorbing evaporated fuel generated inside a fuel tank 20, a closing valve 30 for changing an opening/closing state of a vapor passage 31 communicating the fuel tank 20 with the canister 40, and an atmosphere opening/closing valve 33 for changing an opening/closing state of an atmosphere release passage 32 provided in the canister 40. While an engine 10 is stopped, an ECU 50 opens the closing valve 30 and the atmosphere opening/closing valve 33 when a first condition that fuel is being supplied to the fuel tank 20 is established, and closes both the closing valve 30 and the atmosphere opening/closing valve 33 when the first condition is not established. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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