Rigid mounting for arc discharge lamp arc tube

Details Rigid mounting for arc discharge lamp arc tube Rigid mounting for arc discharge lamp arc tube

1991-12-23

1995-11-14

O'Shea, Sandra L.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313639, H01J 6134

Patent

active

054669871

ABSTRACT:
A metal halide arc discharge lamp includes a metal halide arc tube located within a lamp envelope, a lamp stem having first and second stem leads extending therethrough, and a frame member mechanically connected between the first stem lead and a first end portion of the arc tube. A resistor can be connected between the second stem lead and a starting electrode lead for increased mechanical support. The resistor and the frame member provide the only mechanical support for the arc tube in the lamp envelope. The dome end of the arc tube is mechanically unsupported.

REFERENCES:
patent: 3363134 (1968-01-01), Johnson
patent: 3407327 (1968-10-01), Koury et al.
patent: 5173632 (1992-12-01), Dolan et al.
patent: 5212424 (1993-05-01), Russell et al.

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