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    • 1. 发明申请
    • FLUID CHECK VALVE
    • 流体检查阀
    • WO1995027163A2
    • 1995-10-12
    • PCT/GB1995000662
    • 1995-03-24
    • GOODWIN INTERNATIONAL LIMITEDCOOPER, James, Nicholas
    • GOODWIN INTERNATIONAL LIMITED
    • F16K15/03
    • F16K15/038Y10T137/7504Y10T137/7839
    • A dual plate check valve has flaps (6) mounted on one or more hinge pins (7). The ends of the hinge pins (7) are received in sockets in inserts (12), which inserts (12) are receivable in open-sided recesses (13) formed in the annular valve housing (1) and are held in place by a keeper (14) located in a generally radially outwardly extending slot (15) formed in that housing (1). Where a single hinge pin (7) is used in a vertical orientation to support both flaps (6), a cylindrical bearing member may be supported by a lower one of said inserts (12) to extend through a lower hinge lug (21) of the first flap and partially through a lower hinge lug (20) of the second flap, thereby to support the lower hinge lug of the second flap independently of the first flap.
    • 双板止回阀具有安装在一个或多个铰链销(7)上的折板(6)。 铰链销(7)的端部容纳在插入件(12)中的插座中,该插入件(12)可接收在形成于环形阀壳体(1)中的开放侧凹槽(13)中,并通过一个 保持器(14)位于形成在壳体(1)中的大致径向向外延伸的槽(15)中。 在单个铰链销(7)以竖直方向使用以支撑两个翼片(6)的情况下,圆柱形轴承构件可以由下部一个所述插入件(12)支撑以延伸通过下部铰链凸耳(21) 第一翼片并且部分地穿过第二翼片的下铰链凸耳(20),从而独立于第一翼片支撑第二翼片的下铰链凸耳。
    • 3. 发明申请
    • DUAL PLATE CHECK VALVE
    • 双板检查阀
    • WO1998004857A1
    • 1998-02-05
    • PCT/GB1997002045
    • 1997-07-29
    • GOODWIN INTERNATIONAL LIMITEDBECKETT, Kim, Stuart
    • GOODWIN INTERNATIONAL LIMITED
    • F16K15/03
    • F16K15/038F16K25/005
    • A dual plate check valve comprises a substantially cylindrical valve body (10) provided with a diametrical cross-member (14) thereby defining a pair of substantially D-shaped apertures, and two substantially D-shaped plates (18), pivotally connected by a hinge means (20) parallel to said cross-member (14), and pivotable between a valve open position and a valve closed position in which the sealing face of each plate engages a sealing face provided on a valve seat (16) which surrounds each aperture. A groove is provided in each sealing face which is then filled with a weld inlay (40, 42) and then machined to provide a sealing face portion of a more durable metal alloy.
    • 双板止回阀包括设置有直径横向构件(14)的基本上圆柱形的阀体(10),从而限定一对基本上D形的孔,以及两个基本上D形的板(18),其通过 铰链装置(20)平行于所述横向构件(14),并且可在阀打开位置和阀关闭位置之间枢转,其中每个板的密封面接合设置在围绕每个的阀座(16)上的密封面 光圈。 在每个密封面中设置有凹槽,然后用焊接嵌体(40,42)填充,然后机加工以提供更耐用的金属合金的密封面部分。