Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Patent
1979-10-15
1982-09-21
Jordan, Charles T.
Ammunition and explosives
Igniting devices and systems
Ignition or detonation circuit
42 84, 1022025, 102472, F42B 508, F42B 908
Patent
active
043500960
ABSTRACT:
This invention relates to an electric device for the ignition of pyrotech substances and more particularly an electric device which operates by electromagnetic induction.
The device comprises: An induced member 22 placed in a cartridge containing a pyrotechnic substance within a circular opening of the bottom of the case 20, and an inductor located in a cavity 24 made in the thickness of a firing plate 23. The induced member has at least one open turn 31 connected to at least one heating filament 32, mounted on a thin insulating pellet 30, the inductor is a spiroidal winding 25 whose frequency defines the operating frequency of the generator; the inductor comprises a thermal protection means, a mechanical protection means and sealing means.
The device can be used in particular in the field of artillery.
REFERENCES:
patent: 2459854 (1949-01-01), Swift, Jr.
patent: 2919627 (1960-01-01), Cardona et al.
patent: 3185093 (1965-05-01), Holinbeck
patent: 3809964 (1974-05-01), Ceyrat
patent: 4145968 (1979-03-01), Klein
Cannavo Christian G.
Cousin Georges
Espagnacq Andre
Frayssac Jacques X.
Laine Loic Y.
Etat Francais represente par le Delegation General pour l'Armeme
Jordan Charles T.
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