Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Having oscillating or reciprocating valve
Patent
1993-08-17
1994-08-23
Tapolcai, William E.
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Having oscillating or reciprocating valve
G05D 2313
Patent
active
053400186
ABSTRACT:
A mixing valve having a modular cartridge containing a volume control valve and a thermostatic valve. The cartridge comprises a tubular sleeve having rotatably disposed therein a hollow cylindrical housing containing a valve plate mounted on its bottom end. The valve plate cooperates with a fixed valve plate in a nose piece of the cartridge to control the volumetric flow of water into the cartridge. An inner housing is disposed within the hollow cylindrical housing and defines therewith cold and hot water inlet passageways which are in communication with a mixing chamber in the interior of the inner housing via cold and hot water supply openings. The thermostatic control valve includes a temperature responsive element disposed in the mixing chamber which is operably connected to a piston which is axially slidably movable in a cylinder. The cylinder is fixedly mounted on the top of the inner housing with the bottom of the cylinder and the top of the inner housing defining the hot water supply opening and the top of the cylinder defining with an inner shoulder in the cylindrical housing the cold water supply opening. Upward movement of the piston serves to close off the cold water supply opening while downward movement of the piston serves to close off the hot water supply opening.
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Kapustij Myron B.
Masco Corporation of Indiana
Sutherland Malcolm
Tapolcai William E.
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