Removable three position valve

Details Removable three position valve Removable three position valve

1997-12-05

1999-02-16

Lee, Kevin

Fluid handling

Systems

Dividing into parallel flow paths with recombining

1375992, 137327, 137861, 1376142, F16L 2900

Patent

active

058710310

ABSTRACT:
The invention provides a valve for regulating fluid flow. The valve having a collar, a plug and a flapper seal. The collar defining an aperture and having a base with an opening therein, with a shaft extending from the base within the aperture. The plug being movably and sealably mounted to the collar within the aperture and defining a passage for fluid flow through the valve. The passage being in fluid communication with the opening in the base of the collar. The plug co-operating with the shaft to retain the plug in the collar. The flapper seal is movably and sealably mounted to the shaft within the passage in the plug. The plug is movable between three positions, wherein the valve can be completely sealed, act as a one-way valve, or act as a two-way valve.

REFERENCES:
patent: 4073389 (1978-02-01), Angarola et al.
patent: 5082244 (1992-01-01), Krier et al.
patent: 5111838 (1992-05-01), Langston
patent: 5203831 (1993-04-01), Lind et al.
patent: 5275197 (1994-01-01), Finell
patent: 5437301 (1995-08-01), Ramsey
patent: 5466104 (1995-11-01), Gatwood

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