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    • 1. 发明申请
    • CV JOINT FOR DRILLING MOTOR AND METHOD
    • CV接头用于钻孔电机和方法
    • US20160319883A1
    • 2016-11-03
    • US14702324
    • 2015-05-01
    • Ashmin LC
    • Gunther HH von Gynz-RekowskiWilliam C. Herben
    • F16D3/22E21B17/05F16D3/205E21B4/00
    • E21B4/00E21B17/03F16D3/221
    • A CV joint for a downhole drilling motor includes a center shaft including a top shaft section and a bottom shaft section. The top shaft section is at least partially housed within a cavity of a first insert, which is housed within a cavity of a rotor adapter. The bottom shaft section is at least partially housed within a cavity of a second insert, which is housed within a cavity of a drive shaft adapter. An outer surface of the top and bottom shaft sections may include multiple top shaft pockets and multiple bottom shaft pockets, respectively. The first and second inserts may each include a series of recesses. Top shear members may be partially housed within the top shaft pockets and the recesses of the first insert. Bottom shear members may be partially housed within the bottom shaft pockets and the recesses of the second insert.
    • 用于井下钻孔马达的CV接头包括具有上轴部和底轴部的中心轴。 顶轴部分至少部分地容纳在第一插入件的空腔内,第一插入件容纳在转子适配器的空腔内。 底部轴部至少部分地容纳在第二插入件的空腔内,第二插入件容纳在驱动轴适配器的空腔内。 顶部和底部轴段的外表面可以分别包括多个顶部轴袋和多个底部轴袋。 第一和第二插入件可以各自包括一系列凹部。 顶部剪切构件可以部分地容纳在顶部轴袋和第一插入件的凹部内。 底部剪切构件可以部分地容纳在底部轴袋和第二插入件的凹部内。