Pneumatic fuze for safing and arming missiles

Details Pneumatic fuze for safing and arming missiles Pneumatic fuze for safing and arming missiles

1975-03-31

1976-07-06

Brown, David H.

Ammunition and explosives

Igniting devices and systems

102 78, 102 81, 102 702P, F42C 500, F42C 1102, F42C 1540

Patent

active

039675564

ABSTRACT:
A pneumatic point detonating fuze utilizes the environmental parameters of he setback acceleration and projectile to accomplish safing and arming functions. Launch acceleration is utilized to unlock a fluidic system and allow it to respond to the air stream velocity. Upon completion of the arming cycle the fluidic system enables a mechanical-electrical fuzing system by closing electrical contacts and rotating out-of-line detonators so that they are in-line with an explosive train. A setback magnetic pulse generator operates at launch to charge a firing capacitor in an electronic switching circuit. Piezoelectric elements operate in conjunction with a trigger circuit to provide a firing signal at impact.

REFERENCES:
patent: 3034437 (1962-05-01), Schermer et al.
patent: 3035520 (1962-05-01), Koeppen
patent: 3359904 (1967-12-01), Nerheim
patent: 3742857 (1973-07-01), Schmidt et al.
patent: 3804020 (1974-04-01), Norton
patent: 3850102 (1974-11-01), Morrow

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