The invention provides refueling control systems and methods for pressurized vehicle fuel systems. This disclosure is directed to vehicle fuel systems capable of isolating the energy within a fuel tank from the vehicle user. An exemplary fuel system may include a first valve located within a fuel inlet conduit and a second valve located within a vapor recovery recirculation line of the fuel system. The first and second valves may be controlled based on the pressure inside a fuel tank of the fuel system. Fuel may only be transferred into the fuel tank when the fuel tank is within a predefined threshold pressure range. A depressurization sequence of the fuel tank may be automatically initiated when a fuel door of the fuel system is moved to an open position. The positioning of the fuel door may be monitored by a fuel door position monitoring device.

    本公开提供了“用于加压车辆燃料系统的加燃料控制系统和方法”。本公开涉及能够将燃料箱内的能量与车辆用户隔离的车辆燃料系统。示例性燃料系统可以包括位于燃料入口导管内的第一阀和位于所述燃料系统的蒸气回收再循环管线内的第二阀。可以基于所述燃料系统的燃料箱内的压力来控制所述第一阀和第二阀。仅当所述燃料箱在预定义的阈值压力范围内时,燃料才可以被输送到所述燃料箱中。当所述燃料系统的燃料门移动到打开位置时,可以自动地启动所述燃料箱的减压序列。可由所述燃料门位置监测装置监测所述燃料门的所述定位。


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    Title :

    Refueling control systems and methods for pressurized vehicle fuel systems


    Additional title:

    用于加压车辆燃料系统的加燃料控制系统和方法



    Publication date :

    2021-09-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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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