FR2581749A1 - ANTICHAR PROJECTILE - Google Patents

Abstract

The technical sector of the invention is that of anti-tank projectiles. The projectile according to the invention consists of an explosive charge formed behind 1, called the main charge, by an explosive charge formed before 2, called the secondary charge, and by a propellant 9 placed between the two charges formed. The projectile further comprises: detection means 4, power supply 5 and guide means 3 arranged in a ring around the front load 2. Application to the perforation of particularly active armor. (CF DRAWING IN BOPI)

Description

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ANTICHAR PROJECTILE

  the present invention relates to a projectile for aggression

  armored and particularly active targets.

  The evolution of the protection of armored vehicles has led to a

  parallel evolution of anti-tank military projectiles. One of the solutions

  This is the concept of hollow charges mounted in tandem. By-

  mid the first associations envisaged we can note that described in

French Patent No. 2,310,547.

  The organization of the existing military heads does not lend itself well to

  two explosive charges detonating in sequence because: - the thruster is usually placed behind the main charge and the presence of an auxiliary charge and the inter-charge space

  associated destroy the aerodynamic balance of the ammunition.

  - the front load requires a shield or shield intercharge, mass

  inert which penalizes the mass estimate of the whole.

  the mounting of a front load accommodates ml of the presence of detection and firing means generally placed in the axis of the

charge.

  The present invention relates to a projectile and more particularly

  a military organization which makes it possible to reconcile

  the efficiency gained from the installation of shaped charges mounted in tandem with the functional requirements of a military

  anti-tank projectile such as a rocket or missile.

  The projectile according to the invention consists on the one hand of a head

  including a front-formed charge and a rear-formed charge.

  mounted in tandem and operating in sequence and on the other hand a thruster. This projectile is characterized by the fact that the thruster

  is disposed between the front load and the rear load.

  According to other particular characteristics:

  the connection between the thruster and the rear formed charge is constituted by

  killed by a deformable structure.

  the front load and the thruster constitute a rigid structure.

  the thruster comprises an axial recess allowing the passage of the jet

the rear charge.

  The functional means such as the guiding gyroscope, the target detector, the power supply, the safety device of the

  Front load are arranged in a ring around the front load.

  - the electronic processing unit is arranged between the front load and the thruster - the operating delay between the two loads is between

  1000 and 3000 ps and more particularly can be 2000 Ms.

  Other features and advantages of the invention will appear in

  reading the detailed description of a particular embodiment

  Bind of the invention made in regerd of the accompanying drawing in which: - Figure 1 shows a longitudinal section of the projectile according to the invention. FIG. 2 represents a section along AA of FIG. 1. The projectile represented in FIG. 1 consists of: a main hollow charge 1 located behind the military head

and called back charge.

  - a reduced secondary charge 2 of reduced size located in front of

  the military head and said charge before.

  a set of functional means constituted for example by devices for: gyroscopic guidance 3, target optical detection 4, electrical power supply 5, security of charge initiation before 6,

  said means being arranged in a ring around the front load 2.

  - an electronic information processing unit 7 provided by the

  optical detector 4 and delivering the firing pulses of the

  age before and initiation of the firing delay of the rear load, the

  electronic block is housed in a metal cabinet 8.

  - A powder booster 9 to either acquire the cruising speed (thruster acceleration) or to maintain the cruising speed (cruise propellant). This thruster has a recess

  axial 10 allowing the passage, without alteration of the jet of the charge ar-

Rière.

  - a delay 11 which achieves, either by pyrotechnics, or by a device

  electronic system, the initiation of detonation of the rear

  Viron 2000 js after the initiation of the charge before.

Z581749

  The linkage structure 12 between the thruster and the rear load is designed so that the effects of the shock induced by the detonation of the front load on the rear load remain negligible. For this

  make this structure is deformable so as to absorb the energy de-

  expanded by the front load. On the other hand, the whole constituted by

  front load and the thruster is designed to form a set of

  almost completely transmitting the detonation efforts of the

  front load to the connecting structure 12.

  On the other hand, the electronic processing block 8, by its

  placement, participates in intercharge protection.

  The resulting projectile offers the benefits of the fact; - that the thruster and the electronic block are arranged between the two

  loads and thus play the role of shielding the rear load.

  re, thus allow a lightening of the projectile, hence an increase of

scope.

  - that the mass of all ancillary devices is carried forward of the projectile, which allows to reach a high level of stability

on trajectory.

  - that the arrangement of all the elements makes it possible to reduce the

blockage of the projectile.

Claims (8)

CLASS I CAT IONS   1 - Projectile intended for the aggression of armored targets and particularly   Ves, consisting on the one hand of a military head comprising a front formed charge (2) and a rear formed charge (1) mounted in tandem   and operating in sequence and on the other hand a propellant (9)   characterized in that the thruster (9) is disposed between the front load (2) and the rear load (1).   2 - Projectile according to claim 1, characterized in that the connection between the propellant and the rear formed charge is constituted by a deformable structure (12).   3 - Projectile according to claim 2, characterized in that the charge   before and the thruster constitute a rigid structure.   4 - Projectile according to one of claims 1 to 3, characterized in that   the thruster comprises an axial recess (10) allowing the step wise of the jet of the rear charge.   5 - Projectile according to one of claims 1 to 4, characterized in that   that the functional means such as the guiding gyroscope (3), the target detector (4), the power supply (5), the safety device (6) of the front load are arranged in a ring around the front load.   6 - Projectile according to one of claims 1 to 5, characterized in that   that the electronic processing block is disposed between the load before and thruster.   7 - Projectile according to one of claims 1 to 6, characterized in that   that the delay in operation between the two charges is 1000 and 3000 ps.   8 - Projectile according to one of claims 1 to 7, characterized in that   that the operating delay between the two charges is 2000 s.