F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/92
F21V 29/00 (2006.01) A47L 5/38 (2006.01) B08B 15/02 (2006.01) E04B 1/00 (2006.01) E04B 2/74 (2006.01) E04H 3/04 (2006.01) F21V 33/00 (2006.01) F24F 3/056 (2006.01) F24F 13/078 (2006.01)
Patent
CA 1234089
ABSTRACT The present invention relates to an apparatus for illuminating and for collecting air which is contaminated by a certain substance in the adjacent area of the apparatus. The latter includes a reflector defining an internal cavity in which is mounted a light source. A conduit is mounted to the reflector and communicates with the internal cavity thereof. A blower unit is mounted within the reflector and is controlled by a switch responsive to the contaminant present in the air wherein when the concentration of contaminant exceeds a predetermined level, the switch activates the blower unit which draws contaminated air and expels it through the conduit.
523832
Goudreau Gage Dubuc
Saba Mounir G.
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