Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber
Patent
1976-09-07
1978-06-27
Schwadron, Martin P.
Motors: expansible chamber type
Fluid supply through diverse paths to single expansible chamber
91 35, 91165, 91446, 91449, 91455, 91459, 91461, 1375962, 13763015, 13763019, F01B 2502
Patent
active
040967840
ABSTRACT:
An hydraulic power system comprising a dual acting work piston adapted to be operatively connected to an external mass to be moved, the piston being instantly directionally responsive to a pair of control valves adapted to be sequentially opened and closed to actuate the work piston for movement in opposite directions, the control valves each having a series of sequentially acting valve elements which control fluid flow to and from the work piston, the system forming an hydraulic closed loop which is completely filled with fluid during both charging and discharging, the work piston and control valves working at all times against solid columns of fluid under controlled positive pressures, the system being capable of developing accelerating forces having a magnitude up to 500 G's and of being operated both directly or remotely utilizing electronic, mechanical or hydraulic actuating means with no appreciable phase lag between initial actuation and the completion of the work stroke.
REFERENCES:
patent: 886633 (1908-05-01), Platz
patent: 2243781 (1941-05-01), Thornhill
patent: 2881740 (1959-04-01), Ensinger
patent: 3238621 (1966-03-01), Bullard
patent: 3260164 (1966-07-01), Guentner
patent: 3906980 (1975-09-01), Hanser
patent: 3924656 (1975-12-01), Hanser
patent: 3992979 (1976-11-01), Smith
Hershkovitz Abraham
Schwadron Martin P.
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