Mixing valve with graduated temperature modulation

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 11/072 (2006.01) F16K 11/076 (2006.01) F16K 11/085 (2006.01)

Patent

CA 2380156

A valve assembly for mixing hot and cold water includes a generally cylindrical sleeve having hot and cold inlets and outlets and a rotable non-reciprocal valve member positioned therein to control the mixture of hot and cold water in the outlet stream. The valve member has a hollow stem tube having hot and cold inlet and outlet ports which are rotably engageable with the hot and cold inlets and outlets of the sleeve. The stem tube hot water inlet port has at least one tapered portion with is engageable with a tapered portion of the sleeve to provide a larger range of mixed range temperatures in the resulting outlet stream. Sleeve ribs, rims and raised edges provide a smoother fluid passageway for increased flow and for the eliminating of stacking.

Ensemble de soupape pour mélanger l'eau chaude et l'eau froide comprenant un manchon généralement cylindrique doté d'orifices d'entrée et de sortie d'eau chaude et d'eau froide ainsi qu'un élément de soupape rotatif non réciproque placé à l'intérieur pour régler le mélange d'eau chaude et d'eau froide de l'écoulement de sortie. L'élément de soupape comprend une tige creuse dotée d'orifices d'entrée et de sortie d'eau chaude et d'eau froide qui peuvent entrer en prise de façon rotative avec les orifices d'entrée et de sortie d'eau chaude et d'eau froide du manchon. L'orifice d'entrée d'eau chaude de la tige comprend au moins une partie conique pouvant entrer en prise avec une partie conique du manchon pour obtenir une plus grande plage de températures de l'écoulement de sortie. Les nervures, les rebords et les bords relevés du manchon permettent un passage plus facile du fluide, ce qui accroît l'écoulement et évite d'obtenir une eau trop chaude.

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