Global Patent Index - EP 0992761 A1

EP 0992761 A1 2000-04-12 - Method for correcting the preprogrammed triggering of a process in a spin-stabilized projectile, device for carrying out said method and use of this device

Title (en)

Method for correcting the preprogrammed triggering of a process in a spin-stabilized projectile, device for carrying out said method and use of this device

Title (de)

Verfahren zum Korrigieren einer vorprogrammierten Auslösung eines Vorganges in einem drallstabilisierten Geschoss, Vorrichtung zur Durchführung des Verfahrens und Verwendung der Vorrichtung

Title (fr)

Procédé de correction du déclenchement préprogrammé d'un processus dans un obus à stabilisation par rotation, dispositif de mise en oeuvre dudit procédé et utilisation dudit dispositif

Publication

EP 0992761 A1 (DE)

Application

EP 99117580 A

Priority

CH 203298 A

Abstract (en)

The method involves determining the actual rotation frequency of the shell during a time-limited calibration phase, immediately after being launched. The method takes into account the deviation of the actual muzzle velocity of the shell from the theoretical muzzle velocity by determining the actual muzzle velocity using the effect of the earth's magnetic field on the shell indirectly via the actual rotation frequency. An apparatus for carrying out the method is also claimed. The use of the apparatus to increase the efficiency of a weapon system is also claimed.

Abstract (de)

Verfahren zum Korrigieren einer vorprogrammierten Zeit der Zerlegung (TPN) eines drallstabilisierten Geschosses. Die Abweichung der tatsächlichen Mündungsgeschwindigkeit von der theoretischen Mündungsgeschwindigkeit des Geschosses wird dazu berücksichtigt. Die tatsächliche Mündungsgeschwindigkeit wird mit Hilfe der Auswirkung eines Magnetfeldes auf das Geschoss mittelbar über die tatsächliche Rotationsfrequenz (fG) des Geschosses bestimmt, wobei die tatsächliche Rotationsfrequenz (fG) des Geschosses während einer zeitlich limitierten Eichphase unmittelbar nach dem Abschuss des Geschosses ermittelt wird. Die Vorrichtung zur Durchführung dieses Verfahrens umfasst Mittel zum Speichern der aufgrund der theoretischen Rotationsfrequenz (fGN) des Geschosses programmierten Zeit der Auslösung (TPN), Mittel zur Bestimmung der tatsächlichen Rotationsfrequenz (fG) des Geschosses, und Mittel zum Korrigieren bzw. Aktualisieren der theoretischen Zeit (TPN) der Auslösung auf die tatsächliche Zeit der Auslösung hin aufgrund der tatsächlichen Rotationsfrequenz (fG) bzw. Mündungsgeschwindigkeit des Geschosses besitzt. Die Verwendung der Vorrichtung erfolgt zur Erhöhung der Wirksamkeit eines Waffensystems zur Bekämpfung von Zielen mittels tempierbaren Geschossen. <IMAGE>

IPC 1-7 (main, further and additional classification)

F42C 17/04; F41G 3/12; F42C 11/06

IPC 8 full level (invention and additional information)

F42C 11/06 (2006.01); F42C 17/04 (2006.01)

CPC (invention and additional information)

F42C 11/065 (2013.01); F42C 17/04 (2013.01)

Citation (applicant)

  • EP 0661516 A1 19950705 - ALLIANT TECHSYSTEMS INC [US]
  • EP 96118039 A 19961111
  • EP 96118044 A 19961111
  • EP 96118045 A 19961111

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0992761 A1 20000412; EP 0992761 B1 20021113; AT 227839 T 20021115; DE 59903384 D1 20021219; ES 2185285 T3 20030416; US 6484115 B1 20021119

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