Ordnance – Fuse setters – Combined with projecting – launching or releasing devices
Patent
1984-03-05
1987-05-12
Brown, David H.
Ordnance
Fuse setters
Combined with projecting, launching or releasing devices
102215, F42C 1700, F42C 1106
Patent
active
046640134
ABSTRACT:
Disclosed is a high-acceleration resistant, programmable, electronic time fuze and a method of an apparatus for the correction of the operating time of this time fuze by muzzle velocity measurement carried out inside the projectile or at the gun tube. The time fuze uses the muzzle velocity measured at firing to adjust its operating time. Thus, range dispersion of the event time is substantially reduced. The muzzle velocity is measured with a metal sensitive probe installed inside the projectile. When the probe passes annular grooves in the gun wall, an oscillator is detuned and generates pulses for determination of the projectile muzzle velocity. A bidirectional counter responds to the pulses in one direction, to other information in the other direction and sets off the fuze at a predetermined count such as zero.
REFERENCES:
patent: 3228337 (1966-01-01), Grantham et al.
patent: 4022102 (1977-05-01), Ettel
patent: 4142442 (1979-03-01), Tuten
patent: 4283989 (1981-08-01), Toulios et al.
patent: 4320704 (1982-03-01), Gowlick et al.
patent: 4480550 (1984-11-01), Abt
Schultze Gunter
Wegner Volker
Brown David H.
Deutsch-Franzosisches Forschungsinstitut Saint-Louis
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