Valves and valve actuation – Rotary valves – Ball valve
Patent
1983-10-03
1986-02-04
Chambers, A. Michael
Valves and valve actuation
Rotary valves
Ball valve
137613, F16K 506
Patent
active
045680612
ABSTRACT:
A flow control assembly in which a valve member is movable in a housing between a first position in which it permits the flow of material from an inlet to said housing, through said housing and to an outlet in said housing, and a second position in which it prevents the flow. A shield is provided in said housing which is movable to and from a position in which it shields the valve member from said material.
REFERENCES:
patent: 2749940 (1956-06-01), Bronson
patent: 2926884 (1960-03-01), Clinkenbeard
patent: 4275763 (1981-06-01), Fahrig
Chambers A. Michael
Foster Wheeler Energy Corporation
Fox John C.
Kice Warren B.
Naigur Marvin A.
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