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특허 상세정보

Rocket motors with insensitive munitions systems and projectiles including same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F42B-015/10    F02K-009/08   
미국특허분류(USC) 102/381; 060/223
출원번호 US-0645706 (2003-08-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    TraskBritt, PC
인용정보 피인용 횟수 : 4  인용 특허 : 27

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...


1. A rocket motor having insensitive munitions capability, the rocket motor comprising:a case that is rupturable at an internal pressure burst level, the case comprising:a propellant located in the case, the propellant formulated to thermally expand when heated to a temperature below an autoignition temperature of the propellant and to apply an internal pressure to the case that is less than the internal pressure burst level of the case; andan insensitive munitions charge located in the case, the insensitive munitions charge formulated to release gas whe...

이 특허에 인용된 특허 (27)

  1. Purcell, Nick L.; Schmidt, Joseph A.; O'Malley, John A.. Bending type ordnance venting device. USP1991075035182.
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  3. Malamas James (Fredericksburg VA) Day Harvey M. (Waldorf MD). Carrier projectile with safety vents. USP1991024991513.
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  7. Braithwaite Moyle L. (Ridgecrest CA). Inert thermally activated burster. USP1994115361703.
  8. Mort Raymond W. (Hurst TX) Goble James E. (Bedford TX). Joint construction between components of military projectile and releasable by melting of fusible eutectic helical membe. USP1995035398498.
  9. Boissiere Bruno (Olivet FRX) Bossus Michel (Chevilly FRX). Locking device for a casing containing pyrotechnic materials. USP1994085337672.
  10. Ellingsen Warren (Lewisville PA). Method and apparatus for providing an insensitive munition. USP1994055311820.
  11. Brogan Robert (Rancho Cordova CA). Ordnance device with explosion protection. USP1992075129326.
  12. Tate, John M.. Pressure relief device for solid propellant motors subjected to high external temperatures. USP1991085036658.
  13. Steele Michael F. (Cincinnati OH). Pressure relief means for jet-propelled missiles. USP1992125171931.
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  16. Solberg, Mark A.; Black, Robert E.. Rocket motors with insensitive munitions systems. USP2003096619029.
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  18. Cannon Bernard A.,GBX. Safety in solid fuel rocket motors. USP2000036035631.
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  20. Steven S. Kim ; Chris M. Nugent. Solid propellant rocket motor thermally initiated venting device. USP2002046363855.
  21. Cherry, Charles C.; Wiechering, Raymond E.. Solid propellant rocket motor with fusible end closure holder. USP199303H001144.
  22. Boggero Henri (Velizy FRX). Temperature sensitive pyrotechnical train interruption device. USP1987124709637.
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