Ordnance – Fuse setters – Combined with projecting – launching or releasing devices
Patent
1977-02-18
1978-03-28
Bentley, Stephen C.
Ordnance
Fuse setters
Combined with projecting, launching or releasing devices
102 702G, F42C 1700
Patent
active
040808696
ABSTRACT:
An apparatus for generating an electrical ignition current in the fuze of a projectile to be fired from a weapon, comprising an induction coil arranged in the projectile, a magnet for generating a magnetic field, a bipartite yoke, one part of which is located at the projectile and the other part at the weapon barrel, for producing a change in the magnetic flux upon passage of the projectile through the weapon barrel. According to one embodiment the part of the yoke located at the weapon barrel comprises a number of ferromagnetic rings and paramagnetic rings arranged between the ferromagnetic rings. The part of the yoke located at the projectile body comprises a substantially cylindrical body member having a substantially disc-shaped flange for the reception of the induction coil as well as a soft iron disc. With this arrangement the magnet is a permanent magnet which is disposed between this cylindrical body member and the soft iron disc. The axis of the induction coil substantially coincides with the projectile axis, and the aforesaid ferromagnetic and paramagnetic rings are arranged at the end of the weapon barrel. It is possible, according to another embodiment, to use instead of a permanent magnet, an electromagnet located at the mouth of the weapon and containing such ferromagnetic and paramagnetic rings, with the yoke at the weapon barrel being in the form of a triple-arm yoke carrying two oppositely polarized electromagnetic coils.
REFERENCES:
patent: 2919627 (1960-01-01), Cardona et al.
Karayannis Panayotis
Munzel Klaus
Bentley Stephen C.
Kleeman Werner W.
Werkzeugmaschinen-fabrik Oerlikon-Buhrle AG
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