Tungsten-halogen incandescent lamp with reduced risk of containm

Details Tungsten-halogen incandescent lamp with reduced risk of containm Tungsten-halogen incandescent lamp with reduced risk of containm

1992-11-12

1997-09-23

O'Shea, Sandra L.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313580, H01J 6134

Patent

active

056708408

ABSTRACT:
A tungsten-halogen lamp has a light transmissive, IR coated, filament chamber enclosing a filament, the filament chamber being enclosed within an outer envelope. Fuses are connected to opposite ends of the filament to limit the magnitude and duration of an electrical arc across a break in the filament which, in combination with a fill gas pressure of no greater than 2500 Torr reduces the likelihood of containment failure.

REFERENCES:
patent: 4398124 (1983-08-01), Kohl et al.
patent: 4415836 (1983-11-01), De Cuester et al.
patent: 4598225 (1986-07-01), Gagnon
patent: 4888517 (1989-12-01), Keeffe et al.

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