Importance

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Abstract

Electronic components in a cabinet having an exhaust fan that creates a primary air flow across the components are cooled by a cooling enclosure which encloses predetermined heat generating electronic components to isolate them from other electronic components in the cabinet. An air inlet conduit connects the cooling enclosure with the air inlets in the cabinet and an air outlet conduit connects the enclosure with the air outlets of the cabinet and the exhaust fan. The conduits and enclosure define a secondary air flow pathway across the isolated electronic components to the air outlets and exhaust fan. The secondary air flow is isolated from the primary air flow through the cabinet. The exhaust fan creating the primary air flow across the non-isolated components simultaneously creates a separate secondary air flow through the secondary air flow pathway across the isolated heat generating components whereby the non-isolated components and the isolated components are independently cooled by the primary air flow and secondary air flows, respectively, and the heat generated by the isolated components and non-isolated components is not mixed within the cabinet to maximize cooling of all components within the cabinet. The cooling enclosure may also contain a heat sink.

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First Claim