Importance

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Abstract

A water distillation apparatus having a distilled water storage tank and a water boiling tank. Components associated with the boiling tank control the level of water therein and production of steam from the water contained therein. A steam flow line permits steam flow from the boiling tank into the storage tank. A distilled water cooling coil disposed in the storage tank at a lower region below the distilled water level is connected with a cool water infeed flow line. A steam condensing coil disposed in the storage tank at an upper region thereof above the desired water level and the cooling coil is connected with the cooling coil. Steam which enters the storage tank can directly contact the condensing coil exterior surface for causing the steam to condense into distilled water in the storage tank. Another water flow line which connects the condensing coil to both the boiling tank and a sink drain line has a flow restrictor therein to ensure maintenance of sufficient head pressure to force flow of water to the boiling tank before discharge into the drain line. Delivery of pressurized cool water to the cooling coil is controlled by a solenoid-operated water flow control valve and a thermostat. The thermostat mounted on the tank is operable to sense tank temperature and to actuate the water flow control valve for either allowing or terminating routing of cool water to the cooling coil depending upon the level of the temperature sensed.

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First Claim