High pressure sodium lamp with bimetallic starting aid and ignit

Details High pressure sodium lamp with bimetallic starting aid and ignit High pressure sodium lamp with bimetallic starting aid and ignit

1997-05-02

1998-05-26

Pascal, Robert J.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

H05B 3702

Patent

active

057571376

ABSTRACT:
A starting aid for high pressure sodium vapor lamps eliminates the need to mechanically connect an ignition wire to the lamp frame. The starting aid employs an ignition wire which is slidably clipped directly to the arc tube at one end and which is connected to a bi-metallic switch at the other end. The bi-metallic switch is mechanically and electrically connected to one power lead of the arc tube.

REFERENCES:
patent: 3386066 (1968-05-01), Audette
patent: 3718162 (1973-02-01), Dafler et al.
patent: 4521760 (1985-06-01), Carbone et al.
patent: 4780649 (1988-10-01), Scholz et al.

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