| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an evaporative fuel processing device capable of detecting the switching between a dead zone range and a communicating range in a control valve. <P>SOLUTION: The evaporated fuel processing device 1A includes: a canister 13 for adsorbing evaporated fuel generated in the fuel tank 3; a control valve 11 provided in a vapor passage 9 allowing the fuel tank 3 to communicate with the canister 13, having the dead zone range in which the evaporated fuel is blocked even if the opening angle is increased from a close position to an opening direction and switched to the communicating range in which the evaporated fuel is allowed to flow therethrough when opening angle is more increased from the dead zone range; a control means 2 for controlling the control valve 11 to open to allow the evaporated fuel to flow; and a pressure sensor 16 for detecting the pressure inside the fuel tank 3. The control means 2 determines the switching between the dead zone range and the communicating range in the control valve 11 on the basis of a pressure inside the fuel tank 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
