Fluid handling – Systems – Multiple inlet with single outlet
Patent
1991-05-31
1992-06-23
Walton, George L.
Fluid handling
Systems
Multiple inlet with single outlet
137801, 251 83, 251268, F16K 102, F16K 3150, F16K 1518
Patent
active
051234459
ABSTRACT:
A water faucet structure comprising a hollow housing having hot and cold water inlets and a water outlet, a pair of setting valves therein, and a spout tube with one end connected to the water outlet and the other end thereof containing an egress valve. The hot and cold water inlets are in communication with a mixing chamber formed within the housing via respective setting valves wherein hot and cold water are combined in predetermined proportions before issuing from the spout tube. Each setting valve comprises a valve body having a stem and a piston, a sliding element slidingly secured to a fixed retaining element, and a rotatable positioning element threadedly engaged with one end of the sliding element. The valve stem is slidingly positioned within an axial cavity on an opposite end of the sliding element with the valve piston urged against a corresponding valve seat formed within the housing by a spring. Rotation of the positioning element effects the displacement of the sliding element which acts as a stop for the valve piston when in a open position to control the flow of water through the valve. The action of the springs closes the setting valves when the egress valve is in a closed state preventing backflow of water in the inlets.
REFERENCES:
patent: 923808 (1909-06-01), Breth et al.
patent: 3044707 (1962-07-01), Bayer
patent: 4217931 (1980-08-01), Jaekel
patent: 4468001 (1984-08-01), Stanic
patent: 4778149 (1988-10-01), Pesovic et al.
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