Drive assembly for a reciprocating pump utilizing a linear...

Details Drive assembly for a reciprocating pump utilizing a linear... Drive assembly for a reciprocating pump utilizing a linear...

F - Mech Eng,Light,Heat,Weapons

04

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F04B 9/02 (2006.01) F04B 19/22 (2006.01) F04B 47/02 (2006.01) H01F 7/08 (2006.01) H01F 7/16 (2006.01)

Patent

CA 2514916

A drive assembly for a reciprocating pump includes a support structure with a linear actuator mounted on the support structure. The linear actuator has a stationary portion and a movable ram portion. At least one direction altering cable guide is mounted to the movable ram portion of the linear actuator. At least one cable is provided having a first end and a second end. The first end is anchored to one of the support structure or the stationary portion of the linear actuator. The second end is adapted for attachment to a polish rod of a reciprocating pump. As the movable ram portion moves, the cable and cable guide configuration provide a mechanical advantage which results in the polish rod reciprocally moving a multiple of the distance travelled by the movable ram portion of the linear actuator.

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