Electrodeless high-pressure discharge lamp having coil supports

Details Electrodeless high-pressure discharge lamp having coil supports Electrodeless high-pressure discharge lamp having coil supports

1994-02-09

1996-03-12

Pascal, Robert J.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315243, 315236, 315344, H05B 4116

Patent

active

054989370

ABSTRACT:
An electrode-less high pressure discharge lamp has a lamp vessel which is surrounded by an electric coil having turns. End portions of the coil are electrically connected to current conductors. The turns of the coil are supported by aluminium nitride, which is in thermal contact with the current conductors. There is a good heat transfer from the coil to the conductors, keeping the coil relatively cool and efficient. The coil screens the lamp vessel to a small extent only, thereby improving the lamp efficacy.

REFERENCES:
patent: 843533 (1907-02-01), Hewitt
patent: 4871946 (1989-10-01), Witting
patent: 4910439 (1990-03-01), El-Hamamsy et al.
patent: 5042139 (1991-08-01), Farrall
patent: 5300860 (1994-04-01), Godyak et al.
patent: 5325018 (1994-06-01), El-Hamamsy
patent: 5327049 (1994-07-01), Smolka et al.

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