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특허 상세정보

Autoignition compositions for inflator gas generators

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-031/00   
미국특허분류(USC) 149/036 ; 149/045 ; 149/061 ; 149/062
출원번호 US-0906496 (1997-08-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lyon, P.C.
인용정보 피인용 횟수 : 3  인용 특허 : 14
초록

An autoignition composition for the gas generator of a vehicle occupant restraint system that is thermally stable at temperatures up to 110.degree. C., autoignites between 150.degree. C. and 175.degree. C., produces minimal toxic gases upon combustion, provides for a reduced gas inflator size, and can be safely produced using simple processing methods. By mixing an alkali metal nitrite with a nitrogen-based fuel, the resulting gas generants autoignite at or below 175.degree. C. The addition of an alkaline earth metal nitrite or nitrate provides the stabi...

대표
청구항

[ We claim:] [1.] A gas generant composition consisting essentially of a mixture of:about 1% to 30% of a first oxidizer selected from the group consisting of alkali metal nitrites;about 0% to 20% of an inert component selected from the group consisting of clay, diatomaceous earth, talc, silica, and alumina;about 28% to 40% of a fuel component(s) selected from the group consisting of 1H-tetrazole, 5-aminotetrazole, 5-nitrotetrazole, 5-nitroaminotetrazole, 5,5'-bitetrazole, diguanidinium-5,5'-azotetrazolate, 3-nitro-1,2,4-triazole, 3-nitro-1,2,4-triazole-5...

이 특허에 인용된 특허 (14)

  1. Lund Gary K. (Malad ID) Blau Reed J. (Richmond UT). Anhydrous 5-aminotetrazole gas generant compositions and methods of preparation. USP1996035500059.
  2. Adams, Gary V.; Ahlf, Wilbur J.; Kirchoff, George F.; Lange, Rholand E.. Auto ignition device. USP1985124561675.
  3. Poole, Donald R.. Azide-free gas generant composition with easily filterable combustion products. USP1991075035757.
  4. Poole Donald R. (Woodinville WA) Kwong Patrick C. (Seattle WA). Azide-free gas generant compositions and processes. USP1995025386775.
  5. Poole Donald R. (Woodinville WA). Composition for controlling oxides of nitrogen. USP1992085139588.
  6. Ramaswamy Coodly Puttasastry (Plant City FL) Grzelczyk Cezary (Lakeland FL). Gas generating composition. USP1997085661261.
  7. Poole Donald R. (Woodinville WA). Ignition composition for inflator gas generators. USP1992015084118.
  8. Khandhadia Paresh S. (Rochester Hills MI). Ignition compositions for inflator gas generators. USP1995105460671.
  9. Poole Donald R. (Woodinville WA) Kwong Patrick C. (Seattle WA). Ignition compositions for inflator gas generators. USP1995015380380.
  10. Blau Reed J. (Richmond UT) Lund Gary K. (Ogden UT). Method for preparing anhydrous tetrazole gas generant compositions. USP1995125472647.
  11. Lund Gary K. (Ogden UT) Stevens Mikel R. (Fayetteville AR) Edwards W. Wayne (Tremonton UT) Shaw ; III Graham C. (Garland UT). Non-azide gas generant formulation, method, and apparatus. USP1993035197758.
  12. Lyon Lyman R. (Bloomfield Hills MI). Nonazide gas generating compositions with reduced toxicity upon combustion. USP1995105460668.
  13. Lund Gary K. (Ogden UT) Blau Reed J. (Richmond UT). Preparation of anhydrous tetrazole gas generant compositions. USP1996035501823.
  14. Shaw Graham C. (Garland UT). Solid non-azide nitrogen gas generant compositions. USP1983014369079.