Patent ID: 7925143
Filing Date: 2011-04-12
Classification: F24C

Abstract:
1. In combination with a recreational marine watercraft, an apparatus for heating water aboard said watercraft independently from both a source of AC power and independently from operation of a watercraft's engine, said apparatus comprising: (a). a heat exchanger operably connected to each of a source of heat and a source of water and capable of transferring heat generated by said source of heat to water circulating through said heat exchanger, said heat exchanger further comprising: (b). a water supply conduit means for delivering water from said source of water to said heat exchanger; (c). a water return conduit means for returning heated water from said heat exchanger to said source of water; (d). a pump electrically connected to a source of DC power and operable for selectively circulating water from and to said source of water through said heat exchanger; and, (e). a valve which is operably mounted within said water return conduit means for preventing a reversed flow of water therein; wherein said heat source is at least one burner mounted on top of a galley stove of said watercraft and wherein said heat exchanger has said bottom surface thereof abuttingly engaging a top portion of said at least one burner and said aperture is formed in said bottom surface for directly exposing said heating tube unit mounted within said heat exchanger to said heat generated by said heat source.