Patent ID: 9459037
Filing Date: 2016-10-04
CPC Classification: F25D

Claim Text:
1. A portable refrigeration unit for cooling palletized products disposed within a racking system, the portable refrigeration unit comprising: a case including a bottom wall, a top wall, and side walls, the case configured to be supported by the racking system above a pallet of products positioned below the case; rails extending from two sides of the case, each rail adjustably and slidably extensible to contact the racking system to support the case above the pallet of products, and each rail having a hook portion to engage the racking system; a refrigeration system disposed within the case, the refrigeration system including a compressor, a condenser, an expansion device, and an evaporator connected in series, the refrigeration system includes an evaporator fan configured to draw in air from below the case, move the air through the evaporator, and then discharge the air through the bottom wall such that the cooled air passes over the products below the case to cool the products below the case; and a return duct coupled to the case and in fluid communication with the evaporator fan, the return duct extendable and retractable below the case between a first position and a second position, wherein the evaporator fan is configured to draw air from below the case through the return duct.