INTEGRATED MOTOR AND PUMP ASSEMBLY

摘要

A pump assembly that includes a crankshaft having main journals and crankpin journals, rods operatively coupled with the crankpin journals, reciprocating members operatively coupled with the rods, and an electric motor operable to rotate the crankshaft. The electric motor includes a stator and a rotor. The rotor is directly connected with the crankshaft and is operable to rotate the crankshaft to move the plurality of rods and reciprocating members to move a fluid.

主权项

1. An apparatus, comprising:
a pump assembly, comprising:
a drive shaft;a plurality of rods operatively coupled with the drive shaft;a plurality of reciprocating members each operatively coupled with a corresponding one of the plurality of rods; andan electric motor operable to rotate the drive shaft, wherein the electric motor comprises a rotor having a rotor shaft, wherein the rotor shaft is connected with the drive shaft, wherein the rotor shaft is operable to rotate the drive shaft and thus move the plurality of rods and reciprocating members, wherein the rotor shaft and the drive shaft rotate at the same speed, and wherein the plurality of reciprocating members are operable to move a fluid.