Fluid handling – Systems – Sequentially progressive opening or closing of plural valves
Patent
1986-11-10
1988-04-26
Schwadron, Martin P.
Fluid handling
Systems
Sequentially progressive opening or closing of plural valves
137599, 137607, 137884, 251257, 251285, F16K 1118
Patent
active
047397985
ABSTRACT:
A mixing valve particularly suited for use as a water faucet includes separate levers for selectively delivering an unmixed flow of cold water, an unmixed flow of hot water, and one or more mixed flows of intermediate temperature water. An intermediate temperature flow is obtained by combining separate flow of cold and hot water in a mixing chamber. Temperature selection elements are provided to control the relative proportion of the flow of cold and hot water delivered to the mixing chamber so that any desired intermediate temperature can be selected for the mixed flow delivered from the mixing chamber. Constant temperature of a mixed flow is maintained throughout the available range of flow rates by coordinating the admittance of cold and hot flows to the mixing chamber with respect to the discharge of mixed fluid from the mixing chamber.
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Hepperle Stephen M.
Porter, Jr. Wayne D.
Schwadron Martin P.
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