High pressure, 4-position, 5-way, pilot operated valve for corro

Details High pressure, 4-position, 5-way, pilot operated valve for corro High pressure, 4-position, 5-way, pilot operated valve for corro

1975-03-25

1976-05-25

Cohan, Alan

Fluid handling

Systems

Supply and exhaust

114 16E, B63G 822

Patent

active

039585980

ABSTRACT:
A pilot hydrauic fluid pressure operated valve having the function of a 4sition 5-way valve for controlling the flow of high pressure corrosive media in a high pressure environment such as the deep ocean. The valve body contains two double-ended axially aligned poppet pistons each of which comprise a large pilot actuated piston in the center of the "spool" and each of which have a valve poppet at each end of the "spool" for control of the media which may be sea water ballast of a deep submergence vehicle for example.

REFERENCES:
patent: 3243958 (1966-04-01), Ruchser
patent: 3460614 (1969-08-01), Burgess

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