Pyrogen igniter

Details Pyrogen igniter Pyrogen igniter

1984-03-30

1985-12-10

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

F42C 1912

Patent

active

045571970

ABSTRACT:
A pyrogen igniter for small nozzle applications has a high initial output. igh initial output and long duration burning are achieved through utilization of a slow burning igniter main charge in conjunction with a booster pellet. A nozzle plate focuses and directs the output of the igniter as a gas jet while shielding the interior of the igniter from exterior temperature and pressure fluctuations which might otherwise operate to extinguish the igniter. A flush bridgewire/pressed prime igniter configuration and the elimination of loose powder in the igniter facilitates economical production and long shelf-life.

REFERENCES:
patent: 2561670 (1951-07-01), Miller et al.
patent: 2921521 (1960-01-01), LaHaye et al.
patent: 2934014 (1960-04-01), Smith et al.
patent: 2995088 (1961-08-01), Asplund
patent: 4080901 (1978-03-01), Heier et al.
patent: 4391196 (1983-07-01), Betts
Cross-Sectional View of MK-133 Igniter.

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