Fluid handling – Systems – Multi-way valve unit
Patent
1986-10-23
1988-08-23
Schwadron, Martin P.
Fluid handling
Systems
Multi-way valve unit
137550, 13762517, F16K 1106
Patent
active
047653680
ABSTRACT:
A valve assembly for a plate-type flow-control valve has a stationary plate having a planar upper face and formed with at least one inlet port and with an outlet port opening offset therefrom on the upper face and a movable plate having a planar lower face slidable on the upper face of the stationary plate and formed with a pocket open at the face and defined by a generally flat floor having an outer periphery and an annular side wall extending from the periphery to the faces. An annular screen in the pocket has an inner wall inward of the side wall and itself having a lower edge spaced slightly above the faces and an end wall extending outward from the lower edge to the side wall generally at the faces. This screen defines with the side wall and outer periphery of the floor an annular chamber extending in the pocket around the outer floor periphery.
REFERENCES:
patent: 3893482 (1975-07-01), Loose
patent: 4327771 (1982-05-01), Nikolayezik
Gatti Luigi
Mutti Fabio
Dubno Herbert
Rubinetterie Rapetti S.P.A.
Schwadron Martin P.
Wilford Andrew
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