Rotary Hydraulic Pump with ESP Motor
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United States of America Patent
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Issued Date -
Jun 29, 2017
app pub date -
Dec 29, 2015
filing date -
Dec 29, 2015
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Abstract
A submersible pumping system includes an electric motor and a pump driven by the electric motor. The pump includes a rotatable shaft driven by the motor, one or more piston assemblies configured for linear reciprocating motion and a mechanism for converting the rotational movement of the shaft to linear reciprocating movement in the piston assemblies. In one aspect, the mechanism for converting the rotational movement of the shaft includes a tilt disc assembly. In another aspect, the mechanism for converting the rotational movement of the shaft includes a camshaft assembly.
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