High voltage flashlamp with ignition means including a plurality

Details High voltage flashlamp with ignition means including a plurality High voltage flashlamp with ignition means including a plurality

1980-05-05

1982-01-19

Scott, Samuel

Combustion

Illuminating flash device, e.g., photographic bulb, etc.

Fuel charge within sealed transparent casing, e.g., bulb

F21K 502

Patent

active

043114539

ABSTRACT:
A high voltage, electrically-activated flashlamp which includes an improved ignition means comprising a pair of lead-in wires, a glass or ceramic insulator positioned on the ends of the wires, and a plurality of spark gap members arranged in either an annular or linear pattern with the lamp's envelope for simultaneously igniting the lamp's shredded zirconium or hafnium combustible material. The spark gap members, each comprising a pair of spaced (or gapped) layers of aluminum or copper bridged by a small quantity of high voltage breakdown primer material, are electrically connected in series.

REFERENCES:
patent: 2768517 (1956-10-01), Atkinson et al.
patent: 2811846 (1957-11-01), Rively
patent: 3220225 (1965-11-01), Baird
patent: 3556699 (1971-01-01), Takahashi et al.
patent: 3685947 (1972-08-01), Meulemans et al.
patent: 3752636 (1973-08-01), Warninck
patent: 3873260 (1975-03-01), Cote
patent: 3873261 (1975-03-01), Cote
patent: 4097220 (1978-06-01), Cote

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