Patent ID: 6459578
Filing Date: 2002-10-01
Classification: H05K

Abstract:
A chassis for housing components, the chassis comprising:a shell; an intake port in the shell; an intake duct in fluid communication with the intake port; an exhaust port in the shell; an exhaust duct in fluid communication with the intake duct and in fluid communication with the exhaust port, at least one of the intake duct and the exhaust duct including a noise attenuating feature, the noise attenuating feature attenuating acoustic noise generated within the chassis; and at least one air moving device in fluid communication with the intake port and the exhaust port and capable of moving air from the intake port through the chassis to the exhaust port to cool components housed in the chassis, wherein at least one of the intake duct and the exhaust duct comprise at least two interconnected passageways, the interconnected passageways being arranged to redirect air flow, the noise attenuating feature comprising sound attenuating material that allows air to pass therethrough and being disposed to attenuate acoustic noise in the interconnected passageways.