Valve having rotatable cage

Details Valve having rotatable cage Valve having rotatable cage

1993-03-01

1994-08-09

Fox, John C.

Fluid handling

Systems

Flow path with serial valves and/or closures

137630, F16K 506

Patent

active

053356926

ABSTRACT:
A valve has an on-off control member disposed about an independently rotatable dynamic control member. The on-off control member, which interfaces with a sealing means, may be rotated to a closed position for shutoff purposes. Throttling operation is achieved by rotating the dynamic control member with the on-off control member in a stationary, fully open position which protects the sealing means. Bearings are placed between the dynamic control member and the on-off control member to permit the dynamic control member to rotate freely and accurately.

REFERENCES:
patent: 1656355 (1928-01-01), Huffmann
patent: 1841050 (1932-01-01), O'Stroske
patent: 2608374 (1952-08-01), Morehead
patent: 2997057 (1961-08-01), Toth
patent: 3154097 (1964-10-01), Wolff
patent: 3202166 (1965-08-01), Butler
patent: 3700003 (1972-10-01), Smith
patent: 4350322 (1982-09-01), Mueller

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