Valves and valve actuation – Biased trip – Mechanical movement trip actuation
Patent
1979-11-05
1981-05-26
Schwadron, Martin P.
Valves and valve actuation
Biased trip
Mechanical movement trip actuation
74 2, 9 11A, 9319, 182 48, 193 25B, 244137P, F16K 3156, B64D 2514
Patent
active
042693861
ABSTRACT:
A valve assembly including a trigger mechanism for use in controlling the supply of a compressed gas to a gas activated device, including a valve body including an inlet port for connection to the supply of compressed gas and at least one outlet port for connection to the gas activated device and with an internal recess coupled to the inlet and outlet ports, a valve member located within the recess in the valve body and intermediate the inlet and outlet ports and with the valve member having a closed position providing for no path between the inlet and outlet ports and having an open position providing for a path between the inlet and outlet ports, a spring member coupled between the valve member and the valve body for providing a force for normally moving the valve member from the closed position to the open position, a trigger mechanism mounted on the valve body and including an armed position with the trigger mechanism locked and a fired position, and with the trigger mechanism coupled to the valve member and spring member and in the armed position when the valve member is in the closed position and in the fired position when the valve member is in the open position, and means coupled to the trigger mechanism for unlocking the trigger mechanism to have the trigger mechanism move from the armed position to the fired position to provide for the spring member moving the valve member from the closed position to the open position.
REFERENCES:
patent: 1581028 (1926-04-01), Sheaffer
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patent: 2333130 (1943-11-01), Thomsen
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patent: 2949274 (1960-08-01), Heigis et al.
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patent: 3598215 (1971-08-01), Summer et al.
patent: 3709044 (1973-01-01), Chacko
patent: 3782413 (1974-01-01), Chacko
patent: 3973744 (1976-08-01), Hintzman
Roston Ellsworth R.
Sargent Industries, Inc.
Schwadron Martin P.
Schwartz Charles H.
Walton G. L.
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