Valves and valve actuation – Fluid actuated or retarded – Fluid link or column actuator
Patent
1981-01-30
1982-03-30
Walton, George L.
Valves and valve actuation
Fluid actuated or retarded
Fluid link or column actuator
138 45, 138 46, 236 99R, 251122, 251205, F16K 31122
Patent
active
043220550
ABSTRACT:
A regulating valve capable of precisely controlling minute amounts of gaseous or liquid fluids following an electronic, pneumatic or manual command wherein the fluid is throttled between parallel surfaces positioned in respect to each other through the use of hydraulic means.
REFERENCES:
patent: 962736 (1910-06-01), Bice
patent: 2956771 (1960-10-01), Shields
patent: 2966170 (1960-12-01), Raulins
patent: 3008684 (1961-11-01), Frame
patent: 3113756 (1963-12-01), Griffo
patent: 3144879 (1964-08-01), Baumann
patent: 3380470 (1968-04-01), Culpepper, Jr. et al.
patent: 3633608 (1972-01-01), Minkner et al.
patent: 3840207 (1974-10-01), Carpenter, Jr.
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