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    • 2. 发明授权
    • Downhole pump
    • 井下泵
    • US08226383B2
    • 2012-07-24
    • US11851687
    • 2007-09-07
    • James HenryDavid HenryMilt Skillman
    • James HenryDavid HenryMilt Skillman
    • F04B17/00
    • F04B47/06
    • An apparatus for pumping fluids from a geologic formation comprising a submersible motor having a motor shaft, wherein said submersible motor is reversible and has a plurality of speed settings; a pump housing connected to said submersible motor by a motor mount, wherein said pump housing has a lubricant contained therein; and a tube connected to said pump housing having a pump barrel disposed therein, wherein said pump barrel has an upper barrel connector that is connected to a standing valve; whereby a reciprocating motion by a ball nut applies said lubricant on a ball screw, and associated method of use.
    • 一种用于从包括具有电动机轴的潜水电动机的地质构造中泵送流体的装置,其中所述潜水电动机是可逆的并且具有多个速度设置; 泵壳体,其通过电动机支架连接到所述潜水电动机,其中所述泵壳体具有容纳在其中的润滑剂; 以及连接到所述泵壳体上的管,其具有设置在其中的泵筒,其中所述泵筒具有连接到立式阀的上筒连接器; 从而通过滚珠螺母的往复运动将所述润滑剂施加在滚珠丝杠上,并且使用相关的使用方法。