Patent ID: 7047752
Filing Date: 2006-05-23
Classification: F24F,Y02B

Abstract:
1. A cooling unit forming an air flow channel for cooling an enclosed space, said cooling unit comprising a wall having internal and external faces, said external face at least partially defining said enclosed space to be cooled, with at least one opening for air to communicate between the internal face and the external face, a layer of wicking material for developing a layer of liquid on the internal face for exposure of the layer of liquid to and evaporation into air-flow from the external face into exhaust air coming from the enclosed space through the at least one opening to cause cooling of the external face of the wall, and a liquid supply reservoir arranged so that a liquid level is below the layer of wicking material, supply of liquid to the wicking material from the liquid supply reservoir being maintained by wicking action, the wicking material comprising a number of discrete sections.