Patent ID: 7841305

Claim:
A heat exchange apparatus for use in transferring heat to a heat sink, the apparatus comprising: (a) a heat exchange vessel, adapted to contain an amount of a heat exchange fluid, wherein the heat exchange vessel is comprised of an upper end and a lower end, wherein the heat exchange vessel is comprised of a sump section at the lower end, wherein the heat exchange vessel is further comprised of a heat transfer section for transferring heat to the heat sink, and wherein the heat exchange vessel is further comprised of a single communication junction between the sump section and the heat transfer section which provides fluid communication between the sump section and the heat transfer section; and (b) a heat source associated with the sump section of the heat exchange vessel and adapted to add heat to the heat exchange fluid within the sump section in order to cause the heat exchange fluid to evaporate in the heat exchange vessel, wherein the heat source is comprised of a combustion heater, wherein the combustion heater is comprised of a combustion chamber, wherein the combustion heater is further comprised of a burner assembly contained within the combustion chamber, wherein the combustion heater is further comprised of an exhaust stack for removing heated exhaust gases from the combustion chamber and wherein the exhaust stack extends through the heat exchange vessel to the upper end of the heat exchange vessel.