Control valve

Details Control valve Control valve

1981-10-22

1984-08-14

Michalsky, Gerald A.

Valves and valve actuation

Rotary valves

137875, 137876, 13762546, 251306, 251315, F16K 506

Patent

active

044652593

ABSTRACT:
A control valve having a through flow path with a closure member providing a substantially unhindered flow through the valve when in open position but closing the path substantially at right angles to the axis of flow when in closed position. A stem controls the unit closure member and is located at an acute angle to the flow path and also to the closure position of the closure member in such a manner that a multiplication of the force applied is provided by means of its geometric relation. The casing in which the closure member is located is in two parts and separable in such a way that the closure member may be easily removed and replaced by a closure member of a different shape.

REFERENCES:
patent: 713466 (1902-11-01), Louis
patent: 1553953 (1925-09-01), O'Brien
patent: 2494091 (1950-01-01), Harris
patent: 2720214 (1955-10-01), Rupp et al.
patent: 3176720 (1965-04-01), Donahue
patent: 3697043 (1972-10-01), Baker
patent: 3727879 (1973-04-01), Lange et al.
patent: 3770241 (1973-11-01), Allen
patent: 4253485 (1981-03-01), Legille

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