A vaporized fuel processing apparatus in which, if an internal pressure of a fuel tank is high when refueling, a closing valve opens before a refueling cap opens, so that vaporized fuel is flown to a canister via a path with a float valve to lower the internal pressure of the tank. The apparatus includes a refueling switch for instructing a start of refueling to the fuel tank, an internal pressure sensor for detecting a space pressure inside the tank, and a closing valve control means for, if the refueling start signal is output from the refueling switch and the internal pressure of the fuel tank is higher than a set pressure, opening the closing valve within a range in which the float valve does not operate, and increasing the valve-opening speed of the closing valve in accordance with a reduction in the internal pressure of the fuel tank.


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    Title :

    Vaporized fuel processing apparatus


    Contributors:

    Publication date :

    2018-05-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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