Patent ID: 6625033
Filing Date: 2003-09-23
Classification: H05K

Abstract:
A rack-mountable system enclosure for limiting the escape of internally-generated electromagnetic interference, the system enclosure comprising:a system case; a front panel; a back panel; overlapped seams formed to couple the front panel and the back panel to the system case such that no gaskets and a minimal number of fasteners are required wherein fasteners includes welds, rivets and screws; at least one front opening through which communication media passes; apertures formed within the system case for providing air inlet and egress ports; wherein the system enclosure defines a first volume that receives a cooling fan module a second volume that receives a plurality of integrated circuit boards, and a third volume through which cooling air exits; the first volume is separated from the second volume by a first divider having perforations formed therein to pass air flow from the first volume to the second volume, and the second volume is separated from the first volume by a second divider having perforations formed therein to pass airflow from the second volume to the third volume.