Electrically detonated grenade

Details Electrically detonated grenade Electrically detonated grenade

1985-10-23

1986-10-07

Tudor, Harold J.

Ammunition and explosives

Shells

Grenade

102209, F42B 2700

Patent

active

H00001368

ABSTRACT:
An electrically detonated fuse for a grenade is shown, used either as a b up system for the usual mechanical detonator, or independently as the sole arming and detonating means. The invention is considered more accurate and dependable than a mechanical system, which is aimed at the objective of reducing the amount of grenade duds, the dangerous phenomenon of still live grenades unexploded upon impact creating a hazardous situation for military and other personnel. The invention uses the ordinary twisting action of the currently used inflated ribbon which is extended from the grenade while it is in flight, to generate an electromotive force signal. An electrically activated detonator is installed next to the grenade's main charge, for blowing the device when the electrical detonator is switched on. A large surge of power is fed to the electrical detonator by the closing of an electrical impact fuse, when the grenade physically impacts a target. To store the necessary voltage for detonation a capacitor bank is employed, which store is charged by the said generated e.m.f. signal, after passage through a diode for half-wave rectification. The e.m.f. signal is generated through opposite polarity magnets attached to a rotor, which the ribbon is attached to for turning. Around the rotor and magnets is a wound wire coil, at which the said signal is generated.

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