F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/02 (2006.01) F16L 25/00 (2006.01) F16L 25/12 (2006.01) F16L 25/14 (2006.01) F24F 7/00 (2006.01)
Patent
CA 2430324
The invention provides an improved method of transition between supply-and- return-air ducts of packaged heating and air-conditioning units, located on top of a roof, and existing ductwork in the roof of a building. The modular adaptor consists of a flanged top cover, transition piece, protective housing and numerous supports. The top cover will have 2 openings conversely sized and matched to existing sheet metal supply-and-return duct work. The transition piece manufactured from a polymeric material, usually polyurethane, has 2 openings from the top to bottom surfaces matching the supply-and-return-air duct profiles, sizes and locations from the existing duct work and that of the packaged heating and air-conditioning unit. The transition piece is placed within a protective housing on top of the top cover. Multiple supports are' fixed between the top cover and the packaged heating and air-conditioning unit to transfer the weight of the unit to the roof struckture.
Giliomee Burgerd Wynand
Havenga Johann I.
Leroux Abraham Hercules
Giliomee Burgerd Wynand
Groen Environmental Systems Inc.
Havenga Johann I.
Leroux Abraham Hercules
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