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    • 3. 发明授权
    • Brass insert molded into “church window” of service accelerated release valve gasket
    • 黄铜镶嵌成型为“教会窗口”的加速释放阀垫片
    • US06416059B1
    • 2002-07-09
    • US09758747
    • 2001-01-12
    • Jeffrey B. SkweresVincent F. TroianiGregory L. Johnston
    • Jeffrey B. SkweresVincent F. TroianiGregory L. Johnston
    • F16J1512
    • B60T15/48F16J15/122
    • The present invention provides a gasket for use in a service portion of a brake control valve in a railway braking system. The gasket comprises an elastomeric composition with a predetermined shape. There is a series of bead-like projections formed on the first surface of the gasket for sealing such gasket with a body portion of the valve. A first aperture is disposed in the gasket at a predetermined location for engagement with a projection on the filling piece of the service portion. A brass insert is molded into the elastomeric composition and has a second aperture formed therein. The second aperture is in fluid communication with an auxiliary reservoir of such railway braking system. A third aperture is formed in the gasket in a third predetermined location. A brass insert, which has a first predetermined configuration, is molded into the elastomeric composition of the gasket. The brass insert is disposed in a lower quadrant of the first surface of the gasket and has a fourth aperture disposed therein having a second predetermined configuration. The fourth aperture is in fluid communication with a brake pipe. There are bead like projections formed on the opposed planar second surface of the gasket that correspond to similar positions, but radially opposed, for each of the bead like projections formed on the first surface of the gasket. The bead like projections formed on second surface are for sealing contact with such filling piece of such service portion.
    • 本发明提供一种用于铁路制动系统中的制动控制阀的使用部分的垫圈。 垫圈包括具有预定形状的弹性体组合物。 在垫圈的第一表面上形成一系列的珠状突起,用于将这种垫圈与阀的主体部分密封。 第一孔被设置在垫圈中的预定位置处,用于与服务部分的填充片上的突起接合。 黄铜插入件被模制到弹性体组合物中并且具有形成在其中的第二孔。 第二个孔与这种铁路制动系统的辅助储存器流体连通。 在第三预定位置的垫片中形成第三孔。 将具有第一预定构造的黄铜插入件模制成垫圈的弹性体组合物。 黄铜插件设置在垫圈的第一表面的下象限中,并且具有设置在其中的具有第二预定构造的第四孔。 第四孔与制动管流体连通。 在垫圈的相对的平面第二表面上形成有与形成在垫圈的第一表面上的每个珠状突起相对应的相似位置但径向相对的凸珠状突起。 形成在第二表面上的珠状凸起用于与这种服务部分的这种填充件密封接触。