High intensity discharge lamp including arc extinguishing means

Details High intensity discharge lamp including arc extinguishing means High intensity discharge lamp including arc extinguishing means

1981-03-16

1983-06-28

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

315 74, 200 83N, H01J 744, H01J 1734, H01J 1978, H01J 2996

Patent

active

043908110

ABSTRACT:
A high intensity discharge lamp includes arc extinguishing means functional when the outer envelope of the lamp fails. The extinguishing means comprises a pressure sensing diaphragm and a terminal which will melt back when an arc is drawn therebetween. The extinguishing means operates within a time interval of several milli-seconds.

REFERENCES:
patent: 3845260 (1974-10-01), Lohr
patent: 3944769 (1976-03-01), Wagner
patent: 4039893 (1977-08-01), Corbley
patent: 4143301 (1979-03-01), Strauss et al.
patent: 4322658 (1982-03-01), Minarczyk

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