Pump crosshead and connecting rod assemblies
AssigneeA&W Energy, LLC
InventorJohn D. Morreale
Life of this patent
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Abstract
A pump power end includes an assembly comprising a crosshead, a connecting rod, and a joint. The joint may include a knuckle and a keeper. The connecting rod may include a forked end comprising two tines with a gap in the middle. The knuckle of the joint may be fixedly coupled to both tines. The crosshead may include a socket within which the knuckle of the joint is rotatably received. The keeper of the joint may include a body with a recess aligned with the socket to form a cavity within which the knuckle is disposed. The body of the keeper may be coupled to the crosshead and reside in the gap in the forked end of the connecting rod to retain the knuckle.
Claims12
An assembly for a pump power end comprising:
- a crosshead comprising a socket;
- a connecting rod comprising a forked end including a gap;
- and
- a joint that couples the crosshead to the connecting rod, the joint comprising:
- a substantially cylindrical knuckle that fixedly couples to the forked end of the connecting rod;
- and
- a keeper comprising:
- a body disposed within the gap in the forked end of the connecting rod, wherein the body fixedly couples to the crosshead;
- and
- a recess that aligns with the socket to form a cavity within which the knuckle is rotatably retained.
Dependencies are inferred from the claim text.