Patent ID: 6975509

Claim:
Computing apparatus including: a housing that defines a cavity; multiple computing components within the cavity; a fan within the cavity for cooling the computing components, the fan having an air inlet and an air outlet within the cavity such that air flows from the air inlet through the fan to the air outlet; a vent facility in a first wall of the housing, wherein the vent facility comprises one or more openings to an exterior of the housing to allow air flow between the exterior of the housing and an interior of the housing; and ducting extending between the vent facility and one of the air inlet and the air outlet to define an enclosed path within the cavity between the fan and the vent facility, wherein the other of the air inlet and air outlet is located adjacent the first wall; wherein the fan comprises a centrifugal fan; wherein the enclosed path between the fan and the vent facility in the first wall starts from the fan in a general direction away from the first wall, and then is guided back by the ducting to the first wall.