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    • 2. 发明申请
    • BOX LUBRICATION PUMP
    • BOX润滑泵
    • WO2013078398A1
    • 2013-05-30
    • PCT/US2012/066377
    • 2012-11-21
    • GRACO MINNESOTA INC.SHAKAL, Anthony, J.
    • SHAKAL, Anthony, J.
    • F16N13/14F16N13/02F16N13/16
    • F04B39/10F04B1/0408F04B1/0443F04B1/0448F04B53/02F04B53/164F04B53/18F16N13/14
    • A box lubricator that includes a pump with a piston housing and piston. The piston housing extends from a first end to a second end, and includes a bore extending through the piston housing from the first end of the piston housing to the second end of the piston housing. The piston housing also includes a recess disposed at the second end of the piston housing, the recess being concentric with the bore and comprising a diameter larger than a diameter of the bore. The piston is disposed inside the bore of the piston housing. At least one elastomeric seal is disposed inside the recess of the piston housing and around the piston. In some embodiments, a ball and socket joint connects the piston to the rocker arm assembly. In some embodiments, a fluid passage and a check valve are disposed inside the piston.
    • 一种箱式润滑器,其包括具有活塞壳体和活塞的泵。 活塞壳体从第一端延伸到第二端,并且包括从活塞壳体的第一端延伸穿过活塞壳体到活塞壳体的第二端的孔。 活塞壳体还包括设置在活塞壳体的第二端处的凹部,凹部与孔同心并且包括直径大于孔的直径。 活塞设置在活塞壳体的孔内。 至少一个弹性密封件设置在活塞壳体的凹部内并且围绕活塞。 在一些实施例中,球窝接头将活塞连接到摇臂组件。 在一些实施例中,流体通道和止回阀设置在活塞的内部。