Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Patent
1988-01-06
1989-05-09
Husar, Stephen F.
Illumination
Light source and modifier
With ventilating, cooling or heat insulating means
362345, 362253, 362234, 362802, 98 4008, F21V 2900
Patent
active
048294110
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.
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Duncan Margaret M.
Husar Stephen F.
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