Hooked electrode for arc lamp

Details Hooked electrode for arc lamp Hooked electrode for arc lamp

1988-12-16

1991-01-29

Wieder, Kenneth

Electric lamp and discharge devices

With gas or vapor

Having particular electrode structure

313621, 313622, H01J 6104

Patent

active

049889176

ABSTRACT:
A hooked arc discharge lamp electrode may be formed with electrodes slanting towards each other and towards the electrode roots. The hooking back of the electrode tips forms a gap between the electrode tip and the electrode shaft that prevents the arc from wandering across. The arc is then confined to a small area from the electrode tip area on the side away from the gap. The arc is prevented from wandering down the electrode shafts away from the optically ideal location, and to a potentially destructive position adjacent the envelope wall.

REFERENCES:
patent: 865367 (1907-09-01), Edison
patent: 4320322 (1982-03-01), Rothwell, Jr. et al.
patent: 4782266 (1988-11-01), Heider et al.

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