Air driven energy storing fuze safing and arming mechanism

Details Air driven energy storing fuze safing and arming mechanism Air driven energy storing fuze safing and arming mechanism

1975-05-12

1976-06-08

Brown, David H.

Ammunition and explosives

Igniting devices and systems

89 15D, 102 812, F42C 500, F42C 1512

Patent

active

039615774

ABSTRACT:
A safing-and-arming mechanism for ordnance fuzes having an air speed sensor nd redundant means to prevent premature arming rotor movement. Upon weapon delivery, a spring-loaded snorkel is extended to unlock the first of two rotor locks and to direct a stream of air past a turbine wheel to drive an electric generator and a gear train through a centrifugal clutch. A winding disk is rotated to place a rotor spring in tension, the rotor being held against the spring force by a tumbler controlled by an explosive actuator. Upon an ignition signal from the electronic fuzing package, the tumbler is retracted and the rotor displaced to the armed position to align explosive components of a firing train.

REFERENCES:
patent: 2468120 (1949-04-01), Senn
patent: 2511872 (1950-06-01), Parker
patent: 2985105 (1961-05-01), Rabinow et al.
patent: 3140661 (1964-07-01), Clarke
patent: 3670656 (1972-06-01), Donahue et al.
patent: 3757695 (1973-09-01), Fisher
patent: 3782290 (1974-01-01), Reams

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