Patent ID: 11971028
Assignee: BJ ENERGY SOLUTIONS, LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 16:
17. A pump system comprising:
a pump comprising a single acting reciprocating pump, the single acting reciprocating pump having an input shaft, the input shaft including an input flange and having a longitudinal axis;
a driveshaft connected to the input flange of the input shaft of the single acting reciprocating pump, the driveshaft comprising:
an upstream portion comprising a first constant velocity (CV) joint,
a downstream portion comprising a second CV joint, and
a central portion disposed between the upstream portion and the downstream portion,
the driveshaft having a longitudinal axis offset from the longitudinal axis of the input shaft;

driving equipment including:
a gas turbine engine;
a gearbox connected to the gas turbine engine, the gearbox including an output shaft having an output flange connected to the driveshaft and configured to rotate the driveshaft to rotate the input shaft of the single acting reciprocating pump;
a brake rotor connected to the output shaft; and
a brake caliper connected to the gearbox; and

a torsional vibration damper connected to the output flange, the torsional vibration damper configured to reduce high frequency/low amplitude torsional vibrations generated by operation of the single acting reciprocating pump.