Power plants – Pressure fluid source and motor – Ram driven by fluid pumped from reservoir
Patent
1975-05-07
1976-04-27
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Ram driven by fluid pumped from reservoir
60486, 60DIG10, F15B 1518
Patent
active
039525163
ABSTRACT:
A hydraulic pressure amplifier with a scavenging pump operable to establish a negative return line pressure to effect a positive and rapid return of the rod of a one-way hydraulic actuator and thereby eliminate the necessity of third line-type systems that depend on gravity and/or spring-loaded actuators to return the hydraulic fluid to the tank.
REFERENCES:
patent: 2329709 (1943-09-01), Fischer
patent: 2768500 (1956-10-01), Tyler
patent: 3772889 (1973-11-01), Mason et al.
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