Arrangement for protection against shaped charges

Details Arrangement for protection against shaped charges Arrangement for protection against shaped charges

F - Mech Eng,Light,Heat,Weapons

41

H

F41H 5/02 (2006.01) F41H 5/007 (2006.01)

Patent

CA 2300272

The invention relates to a system for protecting an object from shaped charges (1) which may be approaching or landing on the same. Interference bodies (16A-16G, 17A, 18A, 19A, 20A, 21, 23, 23B, 27-29, 31, 34, 35, 42, 47A, 47B, 51, 52, 60, 63, 63A, 66, 67, 72, 75, 77, 90, 95, 100, 110, 112, 130) are provided on the surface of the object being protected. The height, shape and arrangement of the interference bodies (16A-16G, 17A, 18A, 19A, 20A, 21, 23, 23B, 27-29, 31, 34, 35, 42, 47A, 47B, 51, 52 60, 63, 63A, 66, 67, 72, 75, 77, 90, 95, 100, 110, 112, 130) are measured in such a way that at least one is able to penetrate the inner area of the hollow charge insert (4) or a so-called stand-off area (9) in order to interfere with the formation of the beam of the shaped charge (1). This significantly reduces the effect of the shaped charge (1). By penetrating the inner area or at least the lower central area of the shaped charge (1), the interference body (16A-16G, 17A, 18A, 19A, 20A, 21, 23, 23B, 27-29, 31, 34, 35, 42, 47A, 47B, 51, 52, 60, 63, 63A, 66, 67, 72, 75, 77, 90, 95, 100, 110, 112, 130) can interfere with the beam of the shaped charge at the start of its extension and before it is complete in a particularly advantageous way, so that the final ballistic capacity of the formed charge (~) is reduced to a fraction of what it would have been.

L'invention concerne un système permettant de protéger n objets des charges (1) formées qui s'approchent de lui ou se déposent dessus. Ce système comporte à la surface (10) de l'objet à protéger, des corps perturbateurs (16A à 16G, 17A, 18A, 19A, 20A, 21, 23, 23B, 27 à 29, 31, 34, 35, 42, 47A, 47B, 51, 52, 60, 63, 63A, 66, 67, 72, 75, 77, 90, 95, 100, 110, 112, 130). La hauteur, la forme et la configuration des corps perturbateurs (16A à 16G, 17A, 18A, 19A, 20A, 21, 23, 23B, 27 à 29, 31, 34, 35, 42, 47A, 47B, 51, 52, 60, 63, 63A, 66, 67, 72, 75, 77, 90, 95, 100, 110, 112, 130) sont dimensionnées de manière qu'au moins un corps perturbateur destiné à perturber la formation du faisceau de la charge (1) formée, puisse pénétrer dans la zone intérieure de la pièce rapportée de la charge creuse (4) ou d'une zone (9) dite d'écartement. La puissance de la charge (1) formée peut ainsi être réduite de manière décisive. Le fait que le corps perturbateur (16A à 16G, 17A, 18A, 19A, 20A, 21, 23, 23B, 27 à 29, 31, 34, 35, 42, 47A, 47B, 51, 52, 60, 63, 63A, 66, 67, 72, 75, 77, 90, 95, 100, 110, 112, 130) pénètre dans la zone intérieure ou du moins dans la zone centrale inférieure de la charge (1) formée permet de perturber de manière particulièrement avantageuse un faisceau de la charge formée, dès le début de son extension et avant que ledit faisceau ne soit entièrement formé, de manière à réduire la performance balistique terminale de la charge (1) formée, jusqu'à une partie fractionnaire.

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