Safe and arm device with variable arming delay by liquid explosi

Details Safe and arm device with variable arming delay by liquid explosi Safe and arm device with variable arming delay by liquid explosi

1991-08-30

1992-10-06

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Arming devices

1022771, F42C 1524, F42C 15285

Patent

active

051533707

ABSTRACT:
A safe and arm device, which has an explosive train interrupted by a void establish a safe condition, has the void filled with a liquid explosive to establish an armed condition. The void may be in a manometer-like device in which the liquid explosive is motivated by fluid pressure corresponding to free-fall or other velocities. Premature arming may be prevented by forming the explosive liquid by melting a solid explosive with heat generated electrically. A selectively variable arming time delay may be provided by a variable orifice controlling the flow of the liquid explosive or by varying the temperature of the liquid to select its viscosity.

REFERENCES:
patent: 1336391 (1920-04-01), Semple
patent: 3602141 (1971-08-01), Sutter et al.
patent: 3608493 (1971-09-01), Aske
patent: 3881419 (1975-05-01), Bea
patent: 4241660 (1980-12-01), Donovan

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