Ordnance – Shields – With explosive device
Reexamination Certificate
2006-09-12
2006-09-12
Johnson, Stephen M. (Department: 3641)
Ordnance
Shields
With explosive device
C089S036020
Reexamination Certificate
active
07104178
ABSTRACT:
An active armor system, which includes a first armor layer and a second armor layer. An interior space is interposed between the first and second armor layer. A third layer is also positioned preferably adjacent to and on the inner side of the first layer. This third layer is comprised of a material selected from a piezoelectric material, and electrostrictive material, and a magnetostrictive material. The third layer may also be characterized as any material capable of producing an electrical or magnetic field within the space in response to the application of mechanical force on this third layer. The application of force on the third layer as a result of the impacting of a shaped charge projectile on the first armor layer will result in the production of an electric or magnetic charge in the interior space which will disrupt the formation of the shaped charge gas jet so as to prevent the penetration of the second armor layer.
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BAE Systems Information and Electronic Systems Integration Inc.
Johnson Stephen M.
Long Daniel J.
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