Solar Water Heater
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Jul 30, 2013
filing date -
Jul 31, 2012
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Abstract
A solar water heating apparatus comprising inner and outer concentrically arranged vessels; a cavity defined between the vessels by an outer wall of the inner vessel and an inner wall of the outer vessel; a liquid-to-vapour phase change material provided in the cavity; an inlet for delivering unhealed water to the Inner vessel; and an outlet or withdrawing heated water from the inner vessel, and a pump which pumps the phase change material towards the inner wall of the outer vessel.
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