Importance

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Abstract

A water treatment tank for use with water purification apparatus including an ultra-violet lamp within a bulb onto which incoming water is directed to provide a 360 degree thin laminar flow about the bulb so that all of the incoming water receives the ultra-violet rays even when water is dispensed in a fast refill fashion. The tank may have two compartments, one above the other, formed by a separating baffle. The lower compartment has cooling coils about the walls for cooling the water therein relative to the water in the upper compartment. The ultra-violet lamp and a bulb extends through both compartments and the baffle to purify the water. Each compartment communicates through a conduit to a respective dispensing faucet of the water purification apparatus. The conduit from the upper compartment is a transparent tube formed from polytetrafluorethylene so that the ultra-violet rays act on water within the tube. The bulb in one embodiment is vented at both the top and bottom so that air may circulate around the lamp. In another embodiment the separating baffle is eliminated and the water level within the tank is controlled by a conductivity sensor to ensure that the water within the tank is above the level of the transparent tube so that room temperature water may be dispensed through the tube.

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First Claim