Ventilation – Having forced recirculation – Including unitary housing having both inlet and outlet airways
Patent
1994-09-13
1996-06-04
Joyce, Harold
Ventilation
Having forced recirculation
Including unitary housing having both inlet and outlet airways
62296, 62DIG16, 454233, 454236, 454906, F24F 1302
Patent
active
055227686
ABSTRACT:
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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"Roof Curb Rooftop Single Zone Air Conditioner", Service Literature File Information, Trane Air Conditioning, Feb., 1977.
"Roof Curb Rooftop Single Zone Air Conditioners with Chilled Water Coils", Service Literature File Information, Trane Air Conditioning, Jan., 1977.
Brodt Clarence R.
Meeuwsen Gregory L.
Weisbecker Richard T.
American Standard Inc.
Beres William J.
Ferguson Peter D.
Joyce Harold
O'Driscoll William
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