Fluid handling – Systems – Multi-way valve unit
Patent
1983-05-09
1984-10-09
Schwadron, Martin P.
Fluid handling
Systems
Multi-way valve unit
F16K 1107, F16K 1106, F16K 1102
Patent
active
044755732
ABSTRACT:
A hot and cold mixing valve for connection to hot and cold water lines for feeding a shower head, bath tub or the like. Control is effected by upper and lower valve discs coupled to a stem and spaced axially from one another to provide a mixing space between them. An upper inlet opening terminates at the face of the upper disc while a lower inlet opening terminates at the face of the lower disc, the openings being in substantial alignment with one another. Each of the discs has an arcuate through-opening of tapering width so as to define a wide head and narrow tail subtending an arc of preferably 315.degree.. An outlet port is formed in the valve body in communication with a mixing space between the discs. The through-openings are oriented head opposite tail in complementary overlapping relation so that dead sectors on the discs are simultaneously alignable with the inlet openings to define the off position. Movement from the off position exposes one of the inlet openings to maximum degree on the other to minimum degree, with rotation of the stem gradually reversing the proportion of exposed width and hence the ratio of hot to cold water which flows through the outlet port.
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Schwadron Martin P.
Starsiak Jr. John S.
Sterling Faucet Co.
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