Fluid handling – Systems – Multi-way valve unit
Patent
1975-10-28
1977-12-27
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
251367, 251125, 251319, 251321, F16K 3316
Patent
active
040649091
ABSTRACT:
A slide valve is disclosed including a slider disposed between and slidable with respect to a pair of intercoupled valve body members. Selective positioning of the slider controls fluid flow through the slide valve. The slider includes at least one aperture and a tube communicating therewith. One of the valve body members includes at least one passageway with which the aperture of the slider can selectively communicate. A resilient pad with at least one aperture therethrough is positioned in a cavity in this valve body member and is disposed between the slider and the passageway. The other valve body member functions as a cap and is coupled with the first, and includes an elongated slot through which the tube of the slider extends. When the aperture of the slider overlaps or is aligned with the passageway of the first valve body member and the aperture of the pad, fluid communication exists through the valve. Conversely, the slider can be positioned to prevent fluid communication through the valve by moving the aperture of the slider adjacent another area of the pad. In alternative constructions, the first valve body member may include plural passageways, with the resilient pad having a like number of apertures, or the slider may have plural tubes which selectively communicate with the passageway of the first valve body member. Further modifications provide spring biasing of the slider member, as well as a screw adjustment to facilitate selecting the position of the aperture in the slider in controlling the rate of fluid flow. The various parts of the valve are formed of plastic material.
REFERENCES:
patent: 1640481 (1927-08-01), Collins
patent: 1754482 (1930-04-01), Nicholls
patent: 1769814 (1930-07-01), Wilson
patent: 2024037 (1935-12-01), Geis
patent: 2071960 (1937-02-01), Wilson
patent: 2839228 (1958-06-01), Levine
patent: 2916189 (1959-12-01), Christenson
patent: 3132669 (1964-05-01), Feldsted
patent: 3323774 (1967-06-01), Wilson
patent: 3773082 (1973-11-01), Davis
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