US Patent 7742298 Passively cooled computer

A passively cooled computer includes two or more components arranged in a housing frame 41, wherein each of these components is associated with a cooling body for dissipating waste heat of the component when the component is in operation. The cooling bodies each include a cooling surface, and these cooling surfaces are arranged to oppose one another with their cooling surfaces and thereby define an air channel leading vertically through the inside of the housing frame. The cooling bodies substantially separate the air channel from the remaining volume inside the housing frame.