Energy dampening system and an element therefore

Abstract

A reactive armor cassette comprising at least a front plate and at least a back plate and sandwiching between them at least one layer of explosive material, and at least one dampening plate adjoining either or both said back plate and front plate and wherein the dampening plate is cavitated.

1 . A reactive armor cassette comprising at least a front plate and at least a back plate and sandwiching between them at least one layer of explosive material; and at least one dampening plate adjoining either or both said back plate and front plate and wherein said dampening plate is cavitated.  
   
   
       2 . A reactive armor module element according to  claim 1 , wherein the dampening plate is made of low-impedance material.  
   
   
       3 . A reactive armor module element according to  claim 1 , wherein the dampening plate is made of homogenous material.  
   
   
       4 . A reactive armor module element according to  claim 1 , wherein the dampening plate is made of aluminum.  
   
   
       5 . A reactive armor module element according to  claim 1 , wherein cavities formed on the dampening plate are symmetrically distributed.  
   
   
       6 . A reactive armor module element according to  claim 1 , wherein the cavities formed in the dampening plate are circular.  
   
   
       7 . A reactive armor module element according to  claim 1 , wherein at least 50% of the dampening plate is cavitated.  
   
   
       8 . A reactive armor module element according to  claim 1 , wherein the dampening plate is spaced apart from the adjoining back or front plate.  
   
   
       9 . A reactive armor module element according to  claim 1 , wherein the dampening plate bears flush against the respective back or front plate.  
   
   
       10 . A reactive armor module element according to  claim 1 , wherein the dampening plate is parallel to the respective plate.  
   
   
       11 . A reactive armor module element according to  claim 1 , wherein a dampening plate extends also in front of the front plate.  
   
   
       12 . A reactive armor according to  claim 1 , wherein the cavities are through-going apertures.  
   
   
       13 . A reactive armor according to  claim 1 , wherein the cavities have a tapering cross-section,  
   
   
       14 . A reactive armor module element according to  claim 1 , wherein the dampening plate is mounted on or adjacent an outside face of an enclosure to be protected by said reactive armor.  
   
   
       15 . A reactive armor module element according to  claim 14 , wherein the front plate of the module is an outer face of an armor cassette.  
   
   
       16 . A reactive armor module element according to  claim 1 , wherein intermediate the back plate and the dampening plate there is provided an auxiliary steel plate.  
   
   
       17 . A reactive armor comprising a casing holding at least one reactive cassette comprising at least a front plate and at least a back plate and sandwiching between them at least one layer of explosive material; and at least one dampening plate adjoining either or both said back plate and front plate and wherein said dampening plate is cavitated.  
   
   
       18 . An energy dampening plate for use with a reactive armor module comprising at least one reactive cassette comprising at least a front plate and at least a back plate and sandwiching between them at least one layer of explosive material, wherein said dampening plate is adapted for positioning adjoining either or both said back plate and front plate and wherein said dampening plate is cavitated.  
   
   
       19 . An energy dampening plate according to  claim 18 , wherein the dampening plate is made of a low-impedance material.  
   
   
       20 . An energy dampening plate according to  claim 18 , wherein the dampening plate is made a homogenous material.  
   
   
       21 . An energy dampening plate according to  claim 17 , wherein the cavities are through-going apertures.  
   
   
       22 . An energy dampening plate according to  claim 17 , wherein the cavities are circular.  
   
   
       23 . An energy dampening plate according to  claim 1 , wherein the cavities are filled with a material having a lower density then that of the plate.  
   
   
       24 . A method for protecting an enclosure against shaped charge warheads, kinetic energy projectiles and mines, the method comprising fitting the enclosure on an outside thereof with a reactive armor comprising one or more cassettes each comprising at least a front plate and at least a back plate and sandwiching between them at least one layer of explosive material; and at least one dampening plate adjoining either or both said back plate and front plate and wherein said dampening plate is cavitated.  
   
   
       25 . A method according to  claim 24 , wherein the reactive armor module element and the associated reactive armor module element are received within cassette housing fixable to the enclosure.  
   
   
       26 . A method according to  claim 24 , wherein the dampening plate is made of a low-impedance material.  
   
   
       27 . A method according to  claim 24 , wherein the dampening plate is made of a homogenous material.  
   
   
       28 . An energy dampening plate comprising at least a dampening plate adapted for positioning in front of a wall of an object, wherein said dampening plate is cavitated.  
   
   
       29 . A energy dampening plate according to  claim 28 , wherein the dampening plate is made of a homogenous material.