Disc valve

Details Disc valve Disc valve

1992-10-22

1993-06-15

Fox, John C.

Valves and valve actuation

With means to increase head and seat contact pressure

Fluid pressure

251192, F16K 500

Patent

active

052191486

ABSTRACT:
A disc valve, in which the rotatable control disc (34) is securely held against the fixed control disc (26) with limited forces even when the pressure differences are great. For that purpose, a piston (44) is integrally formed on the rear side of the rotatable control disc (26), which piston is acted upon via a housing channel (66, 72) by the pressure prevailing at the valve outlet (14). The effective pressure-loaded surface area of the piston (44) is slightly smaller than the surface areas of the rotatable control disc (34) that are acted upon by pressure passing through the fixed control disc (26).

REFERENCES:
patent: 2214195 (1940-09-01), Frambley
patent: 2792019 (1957-05-01), Lieser
patent: 2990853 (1961-07-01), Sharp
patent: 3203249 (1965-08-01), Jentzseh et al.

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