HEAT SINK WITH INTERNAL CHAMBER FOR PHASE CHANGE MATERIAL

A heat sink with internal chamber for phase change material (10) formed from a body of solid phase change material (14) received within a thermally conductive housing (12) so at least one contact face of the body of solid phase change material (14) is exposed for direct contact with a heat source. A quantity of at least one liquid phase change material (18) at least partially fills at least one chamber (16) formed within the body of solid phase change material (14). The first end (22) of at least one tube (20) is in open fluid communication with the at least one chamber (16). The at least one tube (20) at least partially projects through and outside of the body of solid phase change material (18) and thermally conductive housing (12), and may loop back into the chamber (16).