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    Apparatus for dispensing fluid mixtures in uniform proportions from pressure containers
    1.
    发明授权
    Apparatus for dispensing fluid mixtures in uniform proportions from pressure containers 失效
    用于分配来自压力容器的均匀混合物的流体混合物的装置

    公开(公告)号：US3656657A

    公开(公告)日：1972-04-18

    申请号：US3656657D

    申请日：1969-06-17

    Applicant: ALLIED CHEM

    Inventor： SMITH BURTON F B ,  SIEGMUND JOHN M

    IPC: F17C7/00 ,  B65D83/14

    CPC classification number: F17C7/00 ,  F17C2201/0109 ,  F17C2223/0153 ,  F17C2223/035 ,  F17C2223/036 ,  F17C2223/047 ,  F17C2250/0426 ,  F17C2250/061 ,  F17C2250/072

    Abstract: An improvement in apparatus for dispensing mixtures of fluids having different vapor pressures, held under pressure in liquid and gas phases, in uniform proportions, from a pressurized container comprising the conventional elements of a pressure container, a perforated dip-tube extending within the pressure container through the vapor and liquid spaces of the container when charged and terminating in a closed free end in proximity to a wall of the pressure container, and means to provide controlled fluid flow from within the pressure container. The improvement comprises providing a bottom orifice in the dip-tube, substantially at the end of the dip-tube which terminates in the liquid space of the container when charged with fluid, and at least one upper orifice smaller in diameter than the bottom orifice located in the dip-tube at points corresponding to the levels at which from about 10-90 percent volume of the full charge of liquid is present in the pressure container. The apparatus is particularly suited for removing non-azeotropic refrigerant mixtures from pressurized containers in which such mixtures are stored and dispensed.

    Abstract translation: 一种改进的装置，用于分配具有不同蒸气压的流体的混合物，该液体在压力下在液相和气相中以均匀的比例从包括压力容器的传统元件的加压容器中保持，在压力容器内延伸的穿孔汲取管 通过容器的蒸气和液体空间充电并终止在压力容器的壁附近的封闭的自由端中，以及从压力容器内提供受控的流体流动的装置。 该改进包括在汲取管中提供底部孔口，基本上在汲取管的端部处，其在充满流体时终止在容器的液体空间中，并且至少一个上部孔口的直径小于位于 在汲取管中在与压力容器中存在大约10-90％体积的充满液体的液位相对应的点处。 该装置特别适用于从其中储存和分配这些混合物的加压容器中除去非共沸混合制冷剂。

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