Fluid handling – Systems – Multi-way valve unit
Patent
1974-05-10
1977-08-09
Cohan, Alan
Fluid handling
Systems
Multi-way valve unit
1376254, F16K 1107
Patent
active
040404463
ABSTRACT:
The invention is concerned with a mixing tap or valve of the kind having a valve body with a cylindrical chamber therein and laterally disposed inlets for respective hot and cold water supplies and at least one outlet for said supplies or a mixture thereof, and complementary valve means in the chamber adapted to cooperate with the inlets or with the inlets and the outlet. The characteristic features of such a mixing valve are that the valve means is movable in two different modes in order respectively, to select or mix the hot and cold water supplies and to vary the volume thereof, and that sealing rings are carried in the valve means and bear slidingly against the cylindrical surface of the chamber and register with the respective inlets when the valve means is moved to a closed position, the sealing rings being respectively housed, in sliding and sealing relationship, in complementary laterally disposed recesses formed in the valve means and which in the closed position of the valve, seal the respective inlets, each sealing ring in said closed position being urged radially against a boundary wall of its associated recess, and axially against the cylindrical surface of the chamber, by the pressure of the water.
REFERENCES:
patent: 375508 (1887-12-01), Rodman
patent: 2604293 (1952-07-01), Phillips
patent: 2850041 (1958-09-01), Radanoff
patent: 2970805 (1961-02-01), Pool
patent: 3026907 (1962-03-01), Klingler
patent: 3130952 (1964-04-01), Meyer
patent: 3168109 (1965-02-01), Klingler
patent: 3354910 (1967-11-01), Moen
patent: 3497179 (1970-02-01), Smyers
patent: 3538952 (1970-11-01), Bayer
patent: 3661181 (1972-05-01), Palmer
Cohan Alan
H. & D. E. Watts
Striker Michael J.
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