Importance

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Abstract

A mixing valve receives water through a first inlet. The water is rotated by vanes in a first direction to produce a vortex. The water exits though an open end of a slidable tube, where it flows radially outward because of its rotational motion. The tube is axially movable by an actuator located near the open end of the tube, and the tube therefore acts as a steam shut off valve. Steam enters through a second inlet adjacent the open end of the tube, and is directed by vanes in an oppositely rotating vortex and radially inward by a conical surface just beyond the end of the tube. The steam and water mix at a location just beyond the end of the tube, and heated water exits through an axial opening which surrounds the actuator. The temperature of the water is regulated by the actuator.

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First Claim