Patent ID: 9726418
Date: 2017-08-08
CPC Classifications: F25B,F25D,F28F

Claim:
1. A refrigeration device, comprising: one or more walls substantially forming a liquid-impermeable container, the container configured to hold phase change material internal to the refrigeration device; at least one active refrigeration unit including a set of evaporator coils, the evaporator coils positioned at least partially within the liquid-impermeable container; a unidirectional thermal conductor with a condensing end and an evaporative end, the condensing end positioned within the liquid-impermeable container; a first aperture in the liquid-impermeable container, the first aperture of a size, shape and position to permit the at least one set of evaporator coils to traverse the aperture; a second aperture in the liquid-impermeable container, the second aperture including an internal surface of a size, shape and position to mate with an external surface of the unidirectional thermal conductor; and one or more walls substantially forming a storage region, at least one of the one or more walls in thermal contact with the evaporative end of the unidirectional thermal conductor.