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특허 상세정보

Hybrid rocket propellants containing azo compounds

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-045/10   
미국특허분류(USC) 149/019.4 ; 149/019.1 ; 149/019.5 ; 149/036 ; 149/109.4 ; 60/219
출원번호 US-0748738 (1996-11-18)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Townsend and Townsend and Crew LLP
인용정보 피인용 횟수 : 10  인용 특허 : 19
초록

Hybrid rocket propellants are disclosed that contain azo compounds, i.e., compounds containing the group R--N.dbd.N--R' as part of their structure, where R and R' represent a variety of groups including aliphatic, alicyclic and heterocyclic groups. The azo compounds are mixed with the other solid components of the propellant grain and serve either as plasticizers, binders, fuels, or fillers. The effect of including the azo compounds is an increase in the regression rate of the grain as the propellant burns.

대표
청구항

[ I claim:] [1.] A hybrid propellant comprised of combustible solid components and a liquid oxidizer, in which said solid components include a compound containing the group R--N.dbd.N--R', where R and R' are organic radicals containing nonaromatic carbons bonded to the N.dbd.N, which upon heating to a temperature above about 110.degree. C. decomposes to nitrogen gas and free radicals of R and R'.

이 특허에 인용된 특허 (19)

  1. Einberg Fred J. (Philadelphia PA). Adhesive tetrazole polymers and process of making therefor. USP1977034013596.
  2. Witucki Edward F. (Van Nuys CA) Flanagan Joseph E. (Woodland Hills CA). Azido nitramino ether containing solid propellants. USP1984114482404.
  3. Kubota Naminosuke (Yokohama JPX) Shimizu Haruaki (Aichi JPX) Sonobe Tadashi (Aichi JPX) Nakashita Goro (Mitaka JPX). Gas-generating agent for use in ducted rocket engine. USP1990054925909.
  4. Flanagan Joseph E. (Woodland Hills CA) Gray John C. (Ventura CA). Gun propellants containing polyglycidyl azide polymer. USP1981094288262.
  5. Hawthorne ; Marion F. (Huntsville AL). High energy propellant compositions including vinyl decaborane-polyester copolymer binder. USP1976073967989.
  6. Sayles David C. (Huntsville AL). High nitrogen content gas generant and method of producing near-neutral combustion products. USP1977054023352.
  7. Schyer H. F. R. (Zoetermeer NLX) Korting P. A. O. G. (Uwintsheul NLX) Mul J. M. (Delft NLX). High-performance propellant combinations for a rocket engine. USP1990074938814.
  8. Schyer H. F. R. (Zoetermeer NLX) Korting Paul A. O. G. (Kwintsheul NLX) Mul J. M. (Delft NLX). High-performance propellant combinations for a rocket engine. USP1990084950341.
  9. Lorson Pierre Michel (Vert le Petit FR) Dumas Bernard Roger (Vert le Grand FR). Hybrid propellant compositions. USP1977124065332.
  10. Dean David L. (New Market AL). Hybrid rocket fuel. USP1996045509981.
  11. Ratz Heinz (Troisdorf DEX). Hybrid rocket propellant with nitroso derivative of hexamethylene tetramine. USP1980064206006.
  12. Guindon Louise (Laval CAX) Allard Danielle (Ancienne Lorette CAX). Low toxicity primer composition. USP1995025388519.
  13. Erickson Jack A. (Andover MN) Kramer Robert L. (Minneapolis MN) Hallis John M. (Buffalo MN). Non-toxic primer for center-fire cartridges. USP1995115466315.
  14. Hagel Rainer (Lichtenfels DEX) Redecker Klaus (Nuremberg DEX). Primer charges free of lead and barium. USP1986044581082.
  15. Frankel Milton B. (Tarzana CA) Witucki Edward F. (Van Nuys CA). Propellant containing an azidonitrocarbamate plasticizer. USP1984024432817.
  16. Lochner Gunther (Altdorf DEX) Schwarz Wolfgang (Nuremberg DEX). Propellent medium for hybrid weapon. USP1993025188682.
  17. Calsson Staffan (Karlskoga SEX) Schmid Hermann (Karlskoga SEX). Ramjet propellants. USP1994085339624.
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  19. Beckert Werner F. (Las Vegas NV) Dengel Ottmar H. (Front Royal VA). Thermal laser pumped with high nitrogen content propellants. USP1976023940298.