Patent ID: 6431156
Filing Date: 2002-08-13
Classification: F02M

Abstract:
A vaporized fuel processing device for processing to supply vaporized fuel generated in a fuel tank to an engine, the device including:a canister connected to the fuel tank and accommodating an adsorbent for adsorbing the vaporized fuel delivered from the fuel tank; first control means disposed between the fuel tank and the canister, the first control means being operated to supply the vaporized fuel to the canister when a pressure of the vaporized fuel in the fuel tank is a first predetermined pressure or below; second control means disposed between the fuel tank and canister, the second control means being operated to supply the vaporized fuel to the canister when the pressure of the vaporized fuel in the fuel tank exceeds a second predetermined pressure that is larger than the first predetermined pressure; and a control valve disposed in a passage through which the vaporized fuel is supplied from the canister to a throttle body.