Patent ID: 7946228
Filing Date: 2011-05-24
Classification: F42B

Abstract:
1. A self-contained non-toxic obscurant grenade comprising: (a) a can having a base, a circumferential portion defining an interior and exterior portion, and a top, said top having a port therein; (b) a heat source reaction chamber having an interior and exterior disposed in the in the interior of the can; (c) a heat producing composition comprised of one or more thermite compositions disposed within the heat source reaction chamber; (d) heat transfer media comprised of one or more of carbon foam, activated carbon, and metallic pellets or granules disposed within the interior of the can, between an interior wall and an insulated metallic wall of the heat source reaction chamber; (e) a non-toxic obscurant composition comprised of one or more of water, propylene glycol, glycerin, a mixture of glycerin and water, a mixture of propylene glycol and water, mineral oil, and phosphoric acid soaked into the heat transfer media; (f) a grenade fuze assembly disposed adjacent the can top and/or through the can port; wherein all of the thermite composition used is consumed before the non-toxic obscurant is boiled off or depleted, so as to prevent a temperature spike, and the thermite composition indirectly heats the non-toxic obscurant composition without mixing of combustion gases from thermite combustion with non-toxic obscurant.