Valves and valve actuation – With means to increase head and seat contact pressure – Seat pressed to valve
Patent
1985-03-08
1986-10-07
Weakley, Harold W.
Valves and valve actuation
With means to increase head and seat contact pressure
Seat pressed to valve
251172, 251328, F16K 2500
Patent
active
046155058
ABSTRACT:
A fluid valve system (10) is provided to control fluid flow passing from a conduit passage (12). The valve system (10) includes a movable closure (20) which is reversibly displaceable in a transverse direction (22) passing in a direction substantially normal to the fluid flow passing in a longitudinal direction (14). The movable closure (20) is insertable within the conduit passage (12) in order to block or cut off the fluid flow passing through aligned conduits (16 and 18). The valve system (10) includes a pair of resilient sealing mechanisms (34) which provide for substantially planar second sealing base members (46) for resiliently contacting opposing surfaces (48 and 50) of movable closure (20). Additionally, there is provided a biasing mechanism (56) for resiliently biasing the second sealing base members (46) into contiguous contact with surfaces (48 and 50) of movable closure (20) over an extended area. In this manner, there is provided an optimized leak minimization of the fluid passing within conduit passage (12) to the external environment.
REFERENCES:
patent: 2732170 (1956-01-01), Shand
patent: 3077332 (1963-02-01), Burtis
patent: 3181834 (1965-05-01), Jennings
patent: 3504883 (1970-04-01), Beck
patent: 3698429 (1972-10-01), Lowe
patent: 4088146 (1978-05-01), Hagar
patent: 4176673 (1979-12-01), Connor
patent: 4325411 (1982-04-01), Squirrell
patent: 4491144 (1985-01-01), Dreyer
Anson Larry D.
Miller Donald W.
Environmental Elements Corp.
Rosenberg Morton J.
Weakley Harold W.
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