Curved-beam pumping unit

Details Curved-beam pumping unit Curved-beam pumping unit

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/02 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2322407

A curved-beam pumping unit is provided, in which a support and a speed reducer are both affixed to a base, a beam seat is mounted on an upper end of the support, and a coupler assembly is connected at one end to a crossbeam fixed on a walking beam and connected at the other end to a crank which connecting the speed reducer with a crank balance, characterized in that the rear end of the walking beam is formed as curved shape and having a balance weight mounted on its tail part.

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