High pressure sodium discharge tube support structure

Details High pressure sodium discharge tube support structure High pressure sodium discharge tube support structure

1989-09-28

1990-10-16

Wieder, Kenneth

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313113, 313623, 313631, H01J 6134, H01J 6136

Patent

active

049637916

ABSTRACT:
A reflector lamp having an outer reflector envelope filled with a rare gas at a pressure of approximately one atmosphere during lamp operation, a high pressure sodium discharge device within the outer envelope, and support conductors for mounting the discharge device. A sleeve over one of the support conductors helps prevent electrical breakdown through the rare gas.

REFERENCES:
patent: 3280371 (1966-10-01), Toda et al.
patent: 3932781 (1976-01-01), Peeters et al.
patent: 4197480 (1980-04-01), Ryan, Jr.
patent: 4254355 (1981-03-01), Taylor
patent: 4481446 (1984-11-01), Tsuchihashi et al.
patent: 4622485 (1986-11-01), Miyashita et al.
patent: 4758759 (1988-07-01), Scholz et al.

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