Electrodeless discharge lamp

Details Electrodeless discharge lamp Electrodeless discharge lamp

H - Electricity

01

J

H01J 65/04 (2006.01) H05B 41/02 (2006.01) H05B 41/24 (2006.01)

Patent

CA 2384779

An electrodeless discharge lamp 100 includes: an envelope 1 filled with discharge gas therein; a magnetic core 5; a coil 4 wound around the magnetic core 5 for generating an electromagnetic field inside the envelope 1; magnetic means 6 made of a magnetic material which is magnetically coupled to the magnetic core 5; thermally- conductive radiation means 12 and 13; and heat transfer means 11 thermally coupled to the magnetic core 5 and the radiation means 12, for transferring heat generated in the magnetic core 5 to the radiation means 12. The magnetic means 6 substantially divides a convex hull which includes the radiation means 12 and 13 and the magnetic core 5, such that the radiation means 12 and 13, and the magnetic core 5 are separated by the magnetic means 6.

L'invention porte sur une lampe à décharge sans électrode (100), qui comprend une enveloppe (1) remplie d'un gaz de refoulement; un noyau magnétique (5); un serpentin (4) enroulé autour du noyau magnétique (5) et créant un champ magnétique dans l'enveloppe (1); un moyen d'aimantation (6) formé d'un matériau magnétique connecté magnétiquement au noyau magnétique (5); des moyens rayonnants thermoconducteurs (12, 13); et un moyen de conduction thermique (11) connecté thermiquement au noyau magnétique (5) et au moyen rayonnant (12) et transmettant à ce dernier (12) la chaleur produite dans le noyau magnétique (5). Le moyen d'aimantation (6) divise sensiblement un ensemble extrudé comprenant les moyens rayonnants (12, 13) et le noyau magnétique (5), et sépare lesdits moyens rayonnants (12, 13) dudit noyau magnétique (5).

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