Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Donald E. Woollen0
George R. Arnold0
Date of Patent
November 10, 2009
0Patent Application Number
116787000
Date Filed
March 16, 2007
0Patent Primary Examiner
Patent abstract
An application for a method of heating water includes burning fuel to produce hot gases and heating a first mass of water with a first heat exchanger coupled to the hot gases. Heat remaining after the hot gases pass through the first heat exchanger is used by a second heat exchanger to heat a second mass of water. The first mass of water is partially isolated from the second mass of water and the first mass of water is contained substantially within the second mass of water. The second mass of water is colder than the first mass of water and, thereby, condenses more water vapor out of the hot gases.
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