F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/155
F21V 7/04 (2006.01) F21V 11/14 (2006.01) F21V 29/02 (2006.01)
Patent
CA 1044202
HIGH OUTPUT LOW BRIGHTNESS VENTILATED LUMINAIRE ABSTRACT OF THE DISCLOSURE A multi-purpose, high output, low brightness luminaire employing a large open front box-like housing with opposed lamp sockets in the side walls adapted to accommodate high wattage, high intensity discharge (HID) lamps is disclosed. Upper and lower curved reflectors are mounted adjacent the back wall of the housing and an oppositely curved intermediate, perforated reflector overlies a space between the upper and lower reflectors. The perforated reflector directs air entering through the back wall both through the perforations to sweep the lamps as well as upwardly and downwardly over the upper and lower curved reflectors. A perforated reflector screen is also provided across the luminaire in front of the lamps to shield the lamp arcs from view and if desired, a plurality of vertically and horizontally oriented louvers are provided to selectively control light distribution.
218699
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