Motors: expansible chamber type – Relatively movable working members with one having motive...
Patent
1978-11-08
1980-07-15
Geoghegan, Edgar W.
Motors: expansible chamber type
Relatively movable working members with one having motive...
91321, 91417R, 60369, F01B 700
Patent
active
042122287
ABSTRACT:
A high torque hydraulic power plant is operated by electrical power through the use of a hydraulic pump, opposing double-ended cylinders containing double-ended pistons and appropriate cycling valve means. Pressure is maintained in the system by a constant pneumatic force applied to the full piston side of each opposing double-ended piston.
REFERENCES:
patent: 2644307 (1953-07-01), Blair
patent: 2950599 (1960-08-01), Burt
patent: 3464317 (1969-09-01), Woodward
patent: 3512072 (1970-05-01), Karazija et al.
Cassady Donald R.
Fluid Engineering Co.
Geoghegan Edgar W.
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