Demand compensated hydraulic system with pilot line pressure-mai

Details Demand compensated hydraulic system with pilot line pressure-mai Demand compensated hydraulic system with pilot line pressure-mai

1976-03-08

1976-12-07

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60452, 60484, 417212, F16H 3946, F15B 1306

Patent

active

039954250

ABSTRACT:
A hydraulic system having pilot line fluid feedback from a fluid motor to valving which operates to change pump output to compensate for motor demand includes a pressure regulator valve for maintaining a predetermined minimum pressure in the pilot line. The pressure regulator valve eliminates the power wasting pressure differential which normally exists between the pump output and the fluid motor demand in demand compensated hydraulic systems.

REFERENCES:
patent: 2892312 (1959-06-01), Allen et al.
patent: 2984985 (1961-05-01), MacMillin
patent: 3754400 (1973-08-01), Parquet
patent: 3826090 (1974-07-01), Bahl
patent: 3865514 (1975-02-01), Lonnemo

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