Fluid handling – Systems – Supply and exhaust
Patent
1981-06-29
1984-05-01
Michalsky, Gerald A.
Fluid handling
Systems
Supply and exhaust
91457, 137636, 251282, F15B 1304
Patent
active
044455380
ABSTRACT:
A fluid control valve fluidly connected between a source of fluid pressure and a fluid operated device for controlling the pressurization and depressurization of the fluid device. The control valve comprises an elongated housing having an inlet port and an outlet port formed at one axial end of the housing and an exhaust port formed at its other end. The inlet port is connected to the fluid pressure source while the outlet port is connected to the fluid device. A first fluid passageway formed in the housing fluidly connects the inlet port to the outlet port while, similarly, a second fluid passage in the housing fluidly connects the outlet port to the exhaust port. A first valve is disposed in the first fluid passageway and movable between an open and closed position while a second valve is disposed in the second fluid passageway and also movable between an open and closed position. A sleeve is axially slidably mounted to the housing and is coupled to an actuating member so that movement of the sleeve in one direction opens the first valve while movement of the sleeve in the opposite direction opens the second valve.
REFERENCES:
patent: 234602 (1880-11-01), Moore et al.
patent: 1330922 (1920-02-01), Tibbels
patent: 1751276 (1930-03-01), Karibo et al.
patent: 1993891 (1935-03-01), Light et al.
patent: 2054346 (1936-09-01), Sittert
patent: 2244829 (1941-06-01), Dick
patent: 3423935 (1969-01-01), Budzich
patent: 3554091 (1971-01-01), Spyridakis
patent: 4243060 (1981-01-01), McKendrick
Michalsky Gerald A.
Tri-Motion Industries, Inc.
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