The invention provides a leakage diagnosis device, an oil tank leakage diagnosis system and a vehicle. The leakage diagnostic device includes a body. The body comprises a shell, a first cavity, a gulp valve and a movement mechanism. The shell is provided with a first opening used for being connected with pumping equipment and a second opening used for being connected with equipment to be diagnosed. The first chamber is arranged in the shell and is communicated with the first opening; and the gulp valve is used for communicating the second opening with the atmosphere. The movement mechanism is located in the shell and can move in the shell to control opening and closing of the gulp valve. The oil tank leakage diagnosis system comprises the leakage diagnosis device. The vehicle comprises the fuel tank leakage diagnosis system.

    本申请提供了一种泄漏诊断装置、油箱泄漏诊断系统及车辆。所述泄漏诊断装置包括本体。所述本体包括壳体、第一腔室、补气阀及运动机构。所述壳体设有用于与泵气设备连接的第一开口以及用于与待诊断设备连接的第二开口。所述第一腔室设置在所述壳体内,与所述第一开口连通。所述补气阀用于连通所述第二开口与大气。所述运动机构位于所述壳体内,可在所述壳体内运动以控制所述补气阀的打开及关闭。油箱泄漏诊断系统包括所述泄漏诊断装置。所述车辆包括所述油箱泄漏诊断系统。


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    Title :

    Leakage diagnosis device, oil tank leakage diagnosis system and vehicle


    Additional title:

    泄漏诊断装置、油箱泄漏诊断系统及车辆


    Contributors:
    JIA WEIXIN (author)

    Publication date :

    2022-05-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / 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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