Control device for a liquid pump with adjustable pumping volume

Details Control device for a liquid pump with adjustable pumping volume Control device for a liquid pump with adjustable pumping volume

1982-03-19

1984-03-13

Look, Edward K.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

60443, 60452, F04B 4900

Patent

active

044364890

ABSTRACT:
The invention relates to a control unit for an adjustable volume pump of the type having external controls for varying the volume output thereof. A pump for driving a hydraulic motor has the output pressure thereof increase as the motor load increases. The control unit hereof is responsive to the output pressure of the pump and regulates the pump controls to maintain a substantially constant volume through output for the pump despite varying load conditions on the hydraulic motor driven by the pump.

REFERENCES:
patent: 3554671 (1971-01-01), Schlinke

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