Low wattage metal halide capsule shape

Details Low wattage metal halide capsule shape Low wattage metal halide capsule shape

1990-09-26

1992-03-31

Yusko, Donald J.

Electric lamp and discharge devices

With temperature modifier

For envelope wall

313 25, 313634, H01J 102, H01J 724, H01J 6130

Patent

active

051011344

ABSTRACT:
A low wattage metal halide capsule shape having a cylindrical shape geometry with asymmetrical regions behind the anode and cathode for direct current operation is disclosed. The disclosure concerns several arc tube geometries to encourage internal convective flow in small, direct current arc discharge lamps.

REFERENCES:
patent: 2104652 (1938-01-01), Inmay
patent: 2130304 (1938-09-01), Lemmers
patent: 2896107 (1959-07-01), Anderson
patent: 4594529 (1986-06-01), de Vrijer

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