Well service pumping assembly

Details Well service pumping assembly Well service pumping assembly

1992-07-10

1993-09-21

Bertsch, Richard A.

Pumps

Expansible chamber type

Plural pumping chambers

417568, F04B 2304

Patent

active

052463559

ABSTRACT:
A pair of well service pumps are mounted on a trailer or skid or bob tail truck chassis in a back-to-back configuration. Each pump has a housing with a cylinder within which a plunger is reciprocally moved. A crankshaft mounts rotatably in the housing perpendicular to the cylinder. The connecting rod connects the crankshaft to a crosshead of the plunger. The axis of rotation of the crankshaft is offset from the cylinder axis. One of the pumps is inverted relative to the other pump so that its offset is the same but in the Opposite direction. The pumps are rotated in the same direction by prime movers.

REFERENCES:
patent: 364627 (1887-06-01), Arnold
patent: 2755739 (1956-07-01), Euwe
patent: 2766701 (1956-10-01), Giraudeau

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