Acoustic attenuating curb

Details Acoustic attenuating curb Acoustic attenuating curb

F - Mech Eng,Light,Heat,Weapons

24

F

F24F 13/24 (2006.01)

Patent

CA 2155789

A noise reduction curb for use as an interface with a rooftop air conditioning unit by forming a base upon which the air conditioning unit rests and is mounted on a roof of a building. A noise reduction supply air duct is oriented in the longitudinal dimension of the air conditioning unit and has a supply air inlet fluidly coupled to the supply air source and a supply air outlet fluidly coupled directly to the supply ducts in the building. The supply air inlet is longitudinally displaced from the supply air outlet and is separated therefrom by a flow turbulence reducing substantially straight duct section. A noise reduction return air duct is oriented in the lateral dimension of the air conditioning unit and has a return air inlet fluidly coupled directly to the return air ducts in the building and a return air outlet fluidly coupled to the air conditioning unit. The return air inlet is laterally displaced from the return air outlet.

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