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Forced Convection, Downward Flow Cooling System Disclosure Number: IPCOM000058306D
Original Publication Date: 1988-Oct-01
Included in the Prior Art Database: 2005-Feb-15

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Bolt, MM Espersen, TM Manns, KL [+details]


This article describes a forced convection, downward flow, positive pressure cooling system for a floor standing personal computer (PC). It utilizes the power supply enclosure as an air entry vacuum chamber, flow across a vertical planar opposing the natural convection boundary layer and a plenum design with entry chamber and exhaust chamber to create equalized card column air flow through eight feature cards. (Image Omitted) The primary benefit of a properly designed cooling system is reliability. Longer life and low failure rate is directly related to the operating temperatures of a PC system's components. Another factor causing reduced life is particulate build-up (dust), which results in component temperature rise.