Reciprocable pump with variable speed drive

Details Reciprocable pump with variable speed drive Reciprocable pump with variable speed drive

F - Mech Eng,Light,Heat,Weapons

04

B

341/39, 341/38.5

F04B 49/06 (2006.01) G05D 16/20 (2006.01)

Patent

CA 1174335

RECIPROCABLE PUMP WITH VARIABLE SPEED DRIVE Abstract: A reciprocable liquid pump driven by a direct current electric motor wherein the motor drive voltage, and thereby pump reciprocation, and output pressure, is selectively controlled by a circuit including an electromechanical trans- ducer coupled in pressure sensing relation to the liquid pump output, a manually operable pressure set point switch, and a silicon-controlled rectifier circuit.

396755

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