High pressure pump having an eccentric transmission

Details High pressure pump having an eccentric transmission High pressure pump having an eccentric transmission

1998-03-27

1999-10-26

Freay, Charles G.

Pumps

Motor driven

Pump and motor interconnected by endless flexible...

417415, 74 36, 74 37, 474141, F04B 3504

Patent

active

059717211

ABSTRACT:
An energy efficient high pressure pump system includes a drive motor driving an eccentric transmission, which drives a reciprocation pump having a number of cylinders. The eccentric transmission transmits a torque demand from the reciprocating pump, which varies with time, to the drive motor such that the torque demand on the drive motor is substantially constant. The pump system includes an eccentric sprocket mounted on the output shaft of a drive motor and driving an eccentric sprocket on an idler which includes a concentric sprocket driving a concentric sprocket on the reciprocating pump with the eccentricity of the eccentric sprockets being proportional to the maximum and minimum torque demand characteristics of the reciprocating pump.

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patent: 5427581 (1995-06-01), McGrath et al.
patent: 5540627 (1996-07-01), Miyata
patent: 5802648 (1998-09-01), Neun et al.
patent: 5829958 (1998-11-01), Von Hollen

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