Patent ID: 6910467

Claim:
An evaporated fuel processing apparatus for an engine with a supercharger, for collecting evaporated fuel generated in a fuel tank into a canister and purging the collected evaporated fuel from the canister to an intake passage of the engine, the supercharger including a compressor provided in the intake passage, the evaporated fuel processing apparatus comprising: a purge passage through which the evaporated fuel is purged from the canister into the intake passage located upstream of the compressor; an electromagnetic valve for opening and closing the purge passage; operating condition detection means which detects an operating condition of the engine; and control means which controls the opening and closing operations of the electromagnetic valve so that the electromagnetic valve is opened when the control means determines that intake pressure of the engine is an atmospheric pressure or more on the basis of the detected operating condition of the engine and the electromagnetic valve is closed when the control means determines that the intake pressure of the engine is less than the atmospheric pressure.