Rocket motor igniter, arming firing device

Details Rocket motor igniter, arming firing device Rocket motor igniter, arming firing device

1979-10-15

1981-07-14

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Arming devices

60 3982E, 89 1814, 102202, 102262, F42C 1540

Patent

active

042780268

ABSTRACT:
An arming-firing device that provides handling safety in a rocket motor. arming-firing device provides pyrotechnic (out-of-line) and electrical (open circuit) safety features wherein the arming-firing device is armed by rotating a mechanical rotor by a solenoid that aligns multiple prongs of the barrier with multiple cavities of the rotor and this action simultaneously electrically arms (closes circuits) and mechanically enables the igniter whereupon receiving a firing signal starts the rocket motor. The mating of the barrier prongs with the rotor cavities obviates rebounding, thus affording proper ignition. The mechanical barrier and a solenoid return spring prevents inadvertent firing from any cause.

REFERENCES:
patent: 3052784 (1962-09-01), Ousley
patent: 3408937 (1968-11-01), Lewis et al.
patent: 3658009 (1972-04-01), Allen
patent: 4019441 (1977-04-01), Morgan et al.
patent: 4036144 (1977-07-01), Meek
patent: 4046076 (1977-09-01), Hampton

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