Rocket motors with insensitive munitions systems

F - Mech Eng,Light,Heat,Weapons – 02 – K

Patent

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Details

F02K 9/38 (2006.01) F42B 39/20 (2006.01)

Patent

CA 2465295

An embodiment of the rocket motor of this invention employs an insensitive munitions approach that, when subjected to elevated external temperatures, is activated by thermal expansion of the main propellant and gas generation from a secondary insensitive munitions charge. In a preferred embodiment, the rocket motor also includes a pressure equalizing system that accommodates changing temperature conditions during storage as well as varying gas pressure inherent in gun-launched systems in a manner that allows for thinner case cylinder design and increased propellant volume.

Un mode de réalisation de cette invention porte sur l'utilisation d'un propulseur pour roquettes avec munitions insensibles, qui, soumis à une température extérieure élevée, est activé par l'expansion thermique d'un agent propulseur ainsi que par le gaz provenant d'une seconde charge de munitions insensibles. Dans un mode de réalisation préféré, ce propulseur est, en outre, équipé d'un dispositif d'équilibrage de la pression qui tient compte des modifications de température durant le stockage ainsi que des modifications de la pression des gaz, habituelles dans des systèmes lancés par canon, ce qui permet d'utiliser un cylindre à paroi plus mince et un plus grand volume d'agent propulseur.

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