Patent ID: 6311646
Filing Date: 2001-11-06
Classification: F24H

Abstract:
A hot water heater comprising:a top chamber having a bottom surface, a plurality of apertures along said bottom surface, a circumference and a center;a bottom chamber having a bottom surface and a dome shaped ceiling, with a plurality of apertures along the ceiling;a main tank for holding a quantity of water positioned between the top chamber and the bottom chamber;a cold water inlet pipe in communication with the main tank, said pipe coiling inwardly within the top chamber, originating at the circumference of the top chamber and continuing to the center of the top chamber, the coiling configuration exposing the water in the pipe to heated air in the top chamber for an extended duration before entering the main tank;a hot water outlet pipe extending in communication with the main tank;a burner positioned on the bottom surface of the bottom chamber for heating air within the bottom chamber; anda plurality of tubes positioned vertically within the tank, between the bottom chamber and the top chamber, each tube in communication with one of the apertures on the bottom surface of the top chamber and with one of the apertures on the ceiling of the bottom chamber, said tubes allowing heated air produced in the bottom chamber to travel upward through the tank, and into the top chamber.