Thermostatic pressure balanced valve assembly

Details Thermostatic pressure balanced valve assembly Thermostatic pressure balanced valve assembly

1990-09-28

1991-11-26

Tapolcai, William E.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

1374546, 137605, 13762541, G05D 1103

Patent

active

050675133

ABSTRACT:
A mixing valve includes the volume control valve, a pressure proportioning valve, and a thermostatic valve assembly within a single modular housing. The housing is rotatably mounted in a valve body. The housing houses the proportioning valve and the thermostatic control valve. Rotation of the housing controls the total volumetric flow from the supply inlets of the valve plate at the end of the housing.
The thermostatic control valve includes a pivotable lever which has a spring seated at one side and a thermally responsive wax element at the other side with the fulcrum of the lever between the spring and wax element. Control handles are mounted at the end of the valve to independently control the volume and the temperature. An annular discharge chamber surrounds the housing section which houses the proportioning valve. The discharge chamber is in fluid communication to an outlet which is located at the same end of the valve body as the hot and cold water inlet supply lines.

REFERENCES:
patent: 2593701 (1952-04-01), Sanford
patent: 2647529 (1953-08-01), Wall
patent: 2657860 (1953-11-01), Schmidt et al.
patent: 2990840 (1961-07-01), Snow
patent: 3099996 (1963-08-01), Symmons
patent: 3241566 (1966-03-01), Roman
patent: 4327758 (1982-05-01), Uhlmann
patent: 4610268 (1986-09-01), Knapp

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