Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Patent
1990-04-30
1992-11-10
Husar, Stephen F.
Illumination
Light source and modifier
With ventilating, cooling or heat insulating means
362218, 362373, 165 46, 313 44, F21V 2900
Patent
active
051618842
ABSTRACT:
In a lighting fixture including a lamp and a housing, an improvement is disclosed for maintaining a lamp envelope area at a cooler, reduced temperature relative to the enclosed housing ambient. The improvement comprises a thermal element in thermal communication with the housing extending to and springably urging thermal communication with a predetermined area of the lamp envelope surface.
REFERENCES:
patent: 2425599 (1947-08-01), Cox
patent: 3965345 (1976-06-01), Fordsmand
patent: 4563375 (1986-01-01), Ulrich
Husar Stephen F.
The Regents of the University of California
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