Fluid handling – Systems – Multi-way valve unit
Patent
1989-04-27
1990-05-01
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
13762537, 137494, 251127, 138 42, 138 43, F16K 4714
Patent
active
049210149
ABSTRACT:
The invention contemplates a valve construction which provides a radially stacked succession of mutually fitted concentric annuli fitted to an inner tubular member which is open at one end for accommodating inlet fluid flow and which is adapted along its bore and at the opposite end to guide a poppet member that is axially positionable in the bore. The tubular member has a circumferentially and axially distributed plurality of like radial passages adapted to be opened and closed in accordance with the guided position of the poppet member. Progressively increasing pluralities of such radial passages characterize each successive annulus, and all annuli are circumferentially channeled to define a manifolded relation between the plural passage discharges from one annulus and the plural passage inlets of the next annulus. Outlet or downstream flow from the valve is taken from a circumferential manifold around the outermost multiple-ported annulus. All of the plural passages are configured as diffusers, with expanding section in the radially outward direction.
REFERENCES:
patent: 3954124 (1976-05-01), Self
patent: 4249574 (1981-02-01), Schhall et al.
patent: 4567915 (1986-02-01), Bates et al.
patent: 4617963 (1986-10-01), Stares
Collins Richard B.
Smolen Robert S.
Tartaglia Peter A.
Marotta Scientific Controls, Inc.
Rosenthal Arnold
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