Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 20, 2009
Patent Application Number
10567585
Date Filed
August 4, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
An air circulation and ventilation unit is provided including a housing configured to fit at least partially over the ceiling of an equipment cabinet including fitting over at least one vent in the ceiling of the cabinet, so that the interior of the housing is in communication with the interior of the cabinet, the housing includes a housing vent moveable between an open position in which air may flow between the outside of the housing and the inside of the housing and a closed position in which little or no air can flow between the outside of the housing and the inside of the housing, and a controller to control the position of the housing vent.
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