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    • 6. 发明申请
    • Stuffing box bushing, assembly and method of manufacture
    • 填料箱衬套,组装和制造方法
    • US20070170657A1
    • 2007-07-26
    • US11336143
    • 2006-01-20
    • Mark Wilkinson
    • Mark Wilkinson
    • F16J15/00
    • F16J15/183F04D29/106
    • A one-piece bushing to be inserted into the seal cavity of a rotary mechanical device includes a one-piece cylindrical bushing element with a single slit to allow easy installation over the shaft. The bushing is a substantially cylindrical semi-rigid member with an inner bore closely approximating the outer diameter of the shaft and includes a groove at the motor end on the outer surface and a corresponding groove on the inner surface to provide a lantern ring. Milling slots or other types of relief are formed on one surface of a flat piece of material to allow for shaping into cylindrical form and to provide for easy installation over an installed device shaft. Seal water openings are provided between the outer groove and inner groove of the bushing to form a lantern ring. Generally, two or three packing rings are added on the motor side to complete the shaft sealing system for installation in the seal cavity.
    • 插入到旋转机械装置的密封腔中的一体式衬套包括具有单个狭缝的一体式圆柱形衬套元件,以允许容易地安装在轴上。 衬套是基本上圆柱形的半刚性构件,其内孔与轴的外径接近,并且包括位于外表面上的马达端处的凹槽和内表面上的相应凹槽,以提供一个灯笼环。 铣削槽或其他类型的浮雕形成在平坦材料的一个表面上,以允许成形为圆柱形,并提供容易安装在安装的装置轴上。 密封水开口设置在衬套的外槽和内槽之间,形成一个灯环。 通常,在电动机一侧加入两个或三个填料环,以完成安装在密封腔中的轴封系统。