Valve for opening and closing a fluid conduit

Details Valve for opening and closing a fluid conduit Valve for opening and closing a fluid conduit

1980-06-05

1982-10-19

Spiegel, H. Jay

Valves and valve actuation

Pivoted valves

251299, 251315, 251 85, F16K 118

Patent

active

043546650

ABSTRACT:
A valve for opening and closing a fluid conduit of the type having a generally wide cross-section, the conduit having a transverse slit therein to allow for movement of a shut-off member into and out of registration therewith. The shut-off member has a spherical shape and cooperates with an apertured member which defines a surface of the same sphere. Both the shut-off member and the apertured member may be arcuately displaced, about a common axis, to establish either a closed or opened conduit with leakage from the conduit in either the opened or closed position being prevented by peripheral portions of the shut-off member and apertured member.

REFERENCES:
patent: 2029864 (1936-02-01), Elgaard
patent: 3379408 (1968-04-01), Lowrey
patent: 3799188 (1974-03-01), Chronister
patent: 3995827 (1976-12-01), Piguet
patent: 4071221 (1978-01-01), Disciascio et al.
patent: 4130268 (1978-12-01), Kojima et al.
patent: 4150811 (1979-04-01), Condit
patent: 4253485 (1981-03-01), Legille

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