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    Flow control valve
    41.
    发明授权
    Flow control valve 失效
    流量控制阀

    公开(公告)号：US3877676A

    公开(公告)日：1975-04-15

    申请号：US45701774

    申请日：1974-04-01

    Applicant: ECODYNE CORP

    Inventor： FORCHINI JAMES F ,  SYLVESTER JOHN L

    IPC: F16K1/50 ,  F16K31/50

    CPC classification number: F16K1/50 ,  F16K31/50

    Abstract: A flow control valve for mating with large diameter fiberglass pipe. A threaded valve stem, housed within a tubular support assembly, extends through the fiberglass pipe. Rotation of the valve stem raises and lowers a cast metal stopper disc assembly within a fiberglass body, secured to the pipe around a discharge opening formed therein. The stopper disc assembly has a seal around its perimeter which seals against a flanged seat portion of the body when the stopper disc assembly is in its raised position. A pair of guide pins extend through the bottom end of the support assembly and are received in corresponding slots cast in the stopper disc assembly to prevent rotation of the disc by the discharge of liquid. Circular rubber gland type seals are provided around the tubular support assembly at the point where the stopper disc slides up and down on the support tube and around a floating seal retainer at the point where the tubular support assembly penetrates the fiberglass pipe.

    Abstract translation: 一种用于与大直径玻璃纤维管配合的流量控制阀。 容纳在管状支撑组件内的螺纹阀杆延伸穿过玻璃纤维管。 阀杆的旋转提高并降低玻璃纤维体内的铸金属止动盘组件，固定在围绕其中形成的排出口的管道上。 挡块组件在其周边处具有密封件，当挡块盘组件处于其升高位置时，密封件抵靠本体的凸缘座部分。 一对引导销延伸穿过支撑组件的底端并且被容纳在铸造在止动盘组件中的相应的狭槽中，以防止通过液体的排出而旋转盘。 环形橡胶密封圈围绕管状支撑组件设置在止动盘在支撑管上上下滑动并且在管状支撑组件穿透玻璃纤维管的点处的浮动密封保持器周围。

    Plastic drain cock
    42.
    发明授权
    Plastic drain cock 失效
    塑料排水机

    公开(公告)号：US3643917A

    公开(公告)日：1972-02-22

    申请号：US3643917D

    申请日：1970-05-25

    Applicant: SHIPSTON ENGINEERING CO LTD

    Inventor： GRIFFITHS GRAHAM ERNEST ,  GEIGER ROGER KEITH ,  MILES JOHN WALTER

    IPC: F16K31/50 ,  F16L55/00

    CPC classification number: F16K31/50 ,  F16L55/00 ,  Y10T137/6181

    Abstract: Drain cock means including threadably connected first and second members, characterized in that the first member contains a first passage that is open at one end and is closed at the other end by the second member, said second member having a sealing portion adapted to engage the first member to close the drain cock. The second member includes also a spigot-forming portion that extends through said first passage and includes an enlarged end engageable with said first member to prevent or hinder the members from being completely detached from each other.

    Abstract translation: 排水阀装置包括螺纹连接的第一和第二构件，其特征在于，第一构件包含第一通道，该第一通道在一端开口并且在另一端由第二构件封闭，所述第二构件具有密封部分， 第一个关闭排水阀的成员。 第二构件还包括一个插销形成部分，其延伸穿过所述第一通道并且包括可与所述第一构件接合的扩大端，以防止或妨碍构件彼此完全分离。

    Sample and bleed valve
    43.
    发明授权
    Sample and bleed valve 失效
    样品和瓶子

    公开(公告)号：US3578285A

    公开(公告)日：1971-05-11

    申请号：US3578285D

    申请日：1969-06-26

    Applicant: SYDNEY E CARLTON

    Inventor： CARLTON SYDNEY E

    IPC: F16D65/14 ,  F16K1/30 ,  F16K31/50

    CPC classification number: F16K1/301 ,  F16D2125/16 ,  F16K1/307 ,  F16K31/50

    Abstract: The bleed valve of the present invention has a fixed body member for installation through the wall of the particular pressure vessel involved so as to be in direct communication with the cavity. The main valve portion moves axially from the closed to the open position for bleeding or sampling and is restrained from going beyond the full open position. The slidable portion is sealed against leakage of fluid pressure by an O-ring which has its own housing in the slidable portion and so remains in position at all times. It is always positioned beyond the fully open position so that no pressure or sample escapes beyond the intended outlet. The valve is useful for bleeding air or fluid under pressure in a pressure vessel, pump, or valve, particularly as a means for checking seals, sampling the contents, or reducing internal pressures.

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