Pillar lantern ring for a shaft sealing system

    公开(公告)号:US11054036B2

    公开(公告)日:2021-07-06

    申请号:US16144329

    申请日:2018-09-27

    Abstract: A fluid sealing system for a rotary mechanical device includes a pillar lantern ring having two end caps with pillars or columns connecting the end caps. A bushing or bearing seal element is positioned at the bottom of the seal cavity and the pillar lantern ring is positioned adjacent the element at the flush port with compressible packing rings between the lantern ring and the gland follower. The pillars or columns are axial supports to prevent the ring from being crushed when the gland follower is tightened down. The pillars allow for a larger reservoir volume of flush in case of temporary flush loss compared to a conventional lantern ring with holes between the outer and inner groove surfaces of the lantern ring. The outer surface of the lantern ring is closely dimensioned to the inner bore of the stuffing box. In one embodiment the lantern ring is a suspended lantern ring with an inner diameter greater than the shaft to avoid any and all contact with the shaft in order to extend its working life.

    Seal-bearing assembly
    6.
    发明授权
    Seal-bearing assembly 有权
    密封轴承总成

    公开(公告)号:US09347488B2

    公开(公告)日:2016-05-24

    申请号:US14254197

    申请日:2014-04-16

    Abstract: A seal-bearing assembly to be inserted into the seal cavity of a mechanical device to provide a seal and a bearing surface to eliminate whip in a rotating and/or reciprocal cylindrical member. The seal-bearing assembly is particularly well suited for use in a reciprocal pump or a piston-driven valve, or between the steam lance and fixed steam tube in a sootblower. The assembly includes at least a pair of outer substantially rigid cylindrical bearings having an inner bore to be positioned over the cylindrical member and at least one complimentary flexible textile packing ring substantially comprised of carbon disposed between the two outer bearing members. In assemblies including an additional bearing, the additional bearing is surrounded by at least one flexible packing on each side. The inner bore of the bearing members provides a bearing surface for eliminating whip of the moving elements in the device.

    Abstract translation: 插入到机械装置的密封腔中以提供密封件和支承表面以便在旋转和/或往复圆柱形构件中消除鞭子的密封件组件。 密封轴承组件特别适合用于往复泵或活塞驱动阀,或在吹灰器中的蒸汽喷枪和固定蒸汽管之间。 该组件包括至少一对外部基本上刚性的圆柱形轴承,其具有位于圆柱形构件上方的内孔和至少一个互补的柔性织物密封环,其基本上由设置在两个外部轴承构件之间的碳构成。 在包括另外的轴承的组件中,附加的轴承由每侧的至少一个柔性填料围绕。 轴承构件的内孔提供用于消除装置中移动元件的鞭状物的支承表面。

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