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Penetrating warhead and method

a technology of penetrating warheads and warheads, applied in the field of penetrating warheads, can solve the problems of preventing the most effective transfer of energy from the explosive charge toward the target, affecting the effectiveness of the most effective transfer of energy, and reducing the structural integrity of the shell, so as to reduce the energy loss, inhibit the most effective transfer of energy, and reduce the effect of structural integrity

Active Publication Date: 2015-07-23
RAYTHEON CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a warhead that can open up its casing to detonate the explosive charge while keeping its structural integrity. This reduces energy lost to work on the casing and increases the blast energy that escapes the casing, resulting in a more efficient warhead with a higher yield for an equivalent explosive charge. By doing so, less energy is absorbed by the casing and more energy is available to damage or destroy the target. Specifically, plastic deformation of the casing and casing fragment energy is significantly reduced and blast pressures are significantly increased.

Problems solved by technology

While a strong or thick casing is required to deliver an explosive charge through a protective barrier to a target, such a casing also inhibits the most effective transfer of energy from the explosive charge toward the target.

Method used

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  • Penetrating warhead and method

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Embodiment Construction

[0013]Previous work on increasing blast effects has focused on increasing the blast-producing energy in the explosive charge. Toward this end, attempts have been made to develop new formulations for the primary explosive charge, to provide liner materials that react in the detonation, or to pursue alternative technologies, such as fuel-air explosives. In contrast, the penetrating weapon provided by the invention does not change the energy in the explosive charge, but instead reduces the amount of energy lost to other phenomena, thereby providing a net energy gain for the blast wave.

[0014]This approach is particularly beneficial for penetrating warheads. Penetrating increasingly strong and thick protective barriers, often discussed in terms of penetration depth, generally requires a relatively large mass per unit cross-sectional area, which typically means relatively thick casings. This increase in casing thickness is necessary to provide sufficient structural integrity to deliver th...

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Abstract

An explosive device includes a housing and an explosive charge within the housing. The explosive charge includes a primary explosive charge and a shaped charge placed against an inside surface of the housing. The explosive device may further include a buffering material that separates the shaped charge and the primary explosive charge. The shaped charge provides a means for opening the housing before detonating the primary explosive charge, thereby enhancing the blast effect from detonating the primary explosive charge.

Description

FIELD OF THE INVENTION[0001]The present invention relates generally to warheads, and more particularly, to a penetrating warhead and method.BACKGROUND[0002]A warhead is that part of a bomb, missile, projectile, torpedo, or other munition with an explosive charge. Warheads require casings to provide strength, fragmentation, and other properties. Penetrating warheads, sometimes referred to as “bunker busters,” are designed to penetrate a protective barrier to reach targets shielded by the protective barrier. The protective barrier can include earth, rock, sand, water, man-made structures, and combinations thereof, for example. An exemplary target is an underground bunker room, for example—a reinforced man-made structure protected by layers of earth and / or rock.[0003]A penetrating warhead typically has a stronger casing to enable the warhead to punch through the protective barrier to reach the target. The explosive within the warhead must survive the impact and delay detonating until i...

Claims

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Application Information

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IPC IPC(8): F42B12/20
CPCF42B1/02F42B12/10F42B12/08F42B12/20F42B12/207
Inventor AMES, RICHARDWITTMAN, CRAIG L.
Owner RAYTHEON CO