A pump body assembly, a pump, a sprinkler system, and an unmanned aerial vehicle are provided, the pump body assembly including a drainage outlet on a pump housing and a valve body portion of a valve core member, where the valve body portion is elastic, and the valve body portion changes from a natural state to an elastic deformation state under an action of liquid in the pump housing, such that when the valve body portion is in the natural state, the valve body portion seals the drainage outlet of the pump housing, and when the valve body portion is in the elastic deformation state, the valve body portion does not seal the drainage outlet of the pump housing.


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    Title :

    Pump Body Assembly, Pump, Sprinkler System, and Unmanned Aerial Vehicle


    Contributors:
    XIAO DINGFENG (author) / CHEN ZHANG (author) / HE JIANBING (author) / ZHENG WEN (author)

    Publication date :

    2020-11-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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