Patent ID: 6742583
Filing Date: 2004-06-01
Classification: F25D,H05K

Abstract:
A system for cooling a cabinet having an enclosure containing telecommunications components, the system comprising:a first set of cooling equipment comprising an air-to-air heat exchanger connectively coupled to the enclosure to transfer heat from an inside of the enclosure to an outside of the enclosure, a second set of cooling equipment comprising: a first opening in the enclosure forming an air inlet and a second opening in the enclosure forming an air outlet, at least one fan in fluid connection with the air inlet and the air outlet, the at least one fan configured to draw air outside the enclosure through the air inlet and forcing air inside the enclosure through the air outlet; and a switch controller coupled to the second set of cooling equipment, wherein the switch controller is configured to activate the second set of cooling equipment when a temperature outside the enclosure exceeds a predefined temperature limit and wherein the at least one fan of the second set of cooling equipment further comprises a suction fan in fluid connection with the air inlet and air inside the enclosure, and an outlet fan in fluid connection with the air outlet and air outside the enclosure, the air inlet and the air outlet being in fluid connection with the first set of cooling equipment.