Fluid handling – Systems – Multi-way valve unit
Patent
1982-03-09
1985-03-19
Cohan, Alan
Fluid handling
Systems
Multi-way valve unit
1376362, 251 65, 251137, 251297, 318 82, F16K 11087, F16K 3102
Patent
active
045053014
ABSTRACT:
A mixing valve for mixing a first liquid with a second liquid. A control handle allows an operator to control both the ratio of the two liquids in the mixture and the flow rate of the mixture. A spherical guide body is rotatably disposed within an inside spherical cavity of a valve body. Separate inlet orifices inject a first liquid and a second liquid into the spherical cavity, while a third orifice discharges the mixture from the spherical cavity. A spherical guide body is rotatably disposed within the spherical cavity. A mixing cavity is disposed in the guide body to communicate with the discharge orifice and the two inlet orifices. A handle is connected to the guide body to allow an operator to rotate the guide body. If the guide body is rotated in one direction, the ratio of the area of the first inlet orifice communicating with the mixing cavity to the area of the second inlet orifice communicating with the mixing cavity is varied, changing the composition of the mixture. If the guide body is rotated in another direction at right angles to the first direction, the area of both inlet orifices communicating with the mixing cavity are simultaneously varied, changing the mixture discharge rate. Biasing means are used to offer resistance to changing the mixture composition, but not the mixture discharge rate.
REFERENCES:
patent: 1614437 (1927-01-01), Cochran
patent: 2592062 (1952-04-01), Perry
patent: 2761079 (1956-08-01), Giertz-Hedstrom et al.
patent: 3167086 (1965-01-01), Michalski
patent: 3422849 (1969-01-01), Manoogian
patent: 3533436 (1970-10-01), Parkison
patent: 3609422 (1971-09-01), Nordin
patent: 3792295 (1974-02-01), Garbi
patent: 3906999 (1975-09-01), Manoogian et al.
patent: 4056760 (1977-11-01), Frenk
patent: 4226260 (1980-10-01), Schmitt
Cohan Alan
Rivell John A.
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