Excess flow valve
    6.
    发明授权
    Excess flow valve 失效
    过流阀

    公开(公告)号:US5462081A

    公开(公告)日:1995-10-31

    申请号:US295205

    申请日:1994-08-24

    CPC classification number: F16K17/30 Y10T137/7785

    Abstract: A poppet type excess flow valve comprises a body forming a valve chamber having a first portion of a first diameter adjacent a first end and a second portion of a second smaller diameter adjacent second end. A valve seat is located between the first and second portions of the valve chamber. A poppet element is mounted in the valve chamber and includes a first section in the form of a hollow cylindrical body extending into the second portion of the valve chamber and terminating therein in an open end. The outer diameter of the hollow cylindrical body section is only slightly less than the diameter of the second portion of the valve chamber for guided sliding movement therein. The poppet element further includes a second section located in the first portion of the valve chamber and including an end wall carrying a valving surface extending radially outward for cooperation with the valve seat. A compression coil spring maintains the poppet element continually biased under a predetermined force toward the inlet port, and flow passages are formed through the hollow cylindrical body portion of the poppet element at a location closely adjacent the valving surface.

    Abstract translation: 提升型过流阀包括形成阀室的主体,阀体具有邻近第一端的第一直径的第一部分和与第二较小直径相邻的第二端的第二部分。 阀座位于阀室的第一和第二部分之间。 提升阀元件安装在阀室中,并且包括延伸到阀室的第二部分中并以开口端终止的中空圆柱体形式的第一部分。 中空圆筒体部分的外径仅略小于用于在其中引导滑动的阀室的第二部分的直径。 提升阀元件还包括位于阀室的第一部分中的第二部分,并且包括端壁,其承载径向向外延伸的阀面,用于与阀座配合。 压缩螺旋弹簧保持提升阀元件在预定的作用力下朝向入口连续地偏压,并且在靠近阀门表面的位置处,通过提升阀元件的中空圆柱体部分形成流动通道。

    Modular surface mount fluid system

    公开(公告)号:US07258139B2

    公开(公告)日:2007-08-21

    申请号:US10721312

    申请日:2003-11-25

    Abstract: The present invention provides for a bridge fitting for use in a fluid manifold system for being in fluid communication with two or more surface mounted fluid components having an inlet port and an adjacent outlet port. The invention also provides for a housing with a first port connected to a second port, with an internal fluid passageway joining the first and second ports and at least one projection extending from the housing. The bridge fittings may be mounted in a channel block having a groove and an aligned hole for receiving the projection. Another embodiment of the invention provides for a modular surface mount check valve with a valve body having a mounting flange connected thereto, the flange being substantially planar and having an inlet passage located about the center of the flange and an outlet passage located adjacent the inlet passage. The body further comprises a valve chamber in fluid communication with the inlet passage and the outlet passage, the chamber further comprising a valve seat formed at the juncture of the inlet passage and the chamber, and a poppet positioned in the chamber, and a spring mounted in the valve chamber for biasing the poppet towards the valve seat. The invention also provides an air actuated surface mount flow control valve comprising a valve body having a mounting flange connected thereto and the flange being substantially planar and having an inlet passage located about the center of the flange and an outlet passage located adjacent the inlet passage, the body further comprising a cavity in fluid communication with the inlet passage and the outlet passage, a stem positioned in the cavity, and a spring mounted in the cavity for biasing a first end of the stem in sealing engagement with the inlet passage and the outlet passage, the stem further comprising an internal fluid passageway in fluid communication with an actuator fluid compartment located under a lower surface of the stem, and the external source of pressure.

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