Fluid operated valve

Details Fluid operated valve Fluid operated valve

1976-08-09

1978-01-24

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 28, F16K 31122

Patent

active

040700003

ABSTRACT:
A fluid operated valve in which the fluid from the line in which the valve is placed is used to aid in the opening and closing of said valve. A shuttle valve communicating with both the inlet and outlet chambers of the valve is operable to permit one of said chambers containing fluid under pressure to communicate with an auxiliary chamber in the valve to provide a closing force for the valve.

REFERENCES:
patent: 1725011 (1929-08-01), Menz
patent: 2206957 (1940-07-01), Hose
patent: 2758811 (1956-08-01), Peterson
patent: 2788019 (1957-04-01), Mottram
patent: 2840104 (1958-06-01), Shafer
patent: 3075737 (1963-01-01), Cantalupo et al.
patent: 3136333 (1964-06-01), Griswold
patent: 3533434 (1970-10-01), Smith

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