F - Mech Eng,Light,Heat,Weapons – 24 – C
Patent
F - Mech Eng,Light,Heat,Weapons
24
C
F24C 15/20 (2006.01)
Patent
CA 2048121
An air canopy system is disclosed for use with equipment producing fumes whose escape into the environment adjacent the equipment is not desired. The system comprises rear and side walls adapted to upstand from adjacent rear and sides of the equipment; an upper canopy surmounting the rear and side walls and cooperating therewith to define a volume for receiving fumes produced by the equipment; means for producing an air curtain including an air curtain directing means arranged to extend substantially between the side walls in a forwardly spaced relationship from the front of the equipment for cooperation therewith to bound a makeup air receiving inlet for permitting passage of air from the environment into the volume and for cooperation with the side walls and the upper canopy to bound an access opening for the volume, wherein the air curtain directing means directs an air curtain towards the upper canopy for preventing escape of fumes from the volume through the access opening; and exhaust means having an exhaust inlet extending along an upper extent of the rear wall for withdrawing fumes and air from the volume.
Cote Cameron
Finlayson & Singlehurst
LandOfFree
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