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특허 상세정보

Pressurized medium for inflator

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60R-021/26   
미국특허분류(USC) 280/736; 280/741
출원번호 US-0252789 (2002-09-24)
우선권정보 JP-0296774 (2001-09-27)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Birch, Stewart, Kolasch &
인용정보 피인용 횟수 : 1  인용 특허 : 29
초록

The present invention provides an inflator capable of prolonging the duration of inflation of an air bag. Since an inflator housing 12 of an inflator 10 for a curtain air bag is charged with a pressurized medium comprising a mixed gas of He and Ar (He:Ar=3:7 to 7:3), the sound velocity of the pressurized medium is smaller than that of a pressurized medium comprising He only, and the viscosity of the former is higher than that of the latter, so that the duration of the inflation of an air bag can be prolonged.

대표
청구항

1. An inflator for inflating an air bag, comprising:an inflator housing having an opening portion at one end thereof; a diffuser portion attached to the opening portion of the inflator housing and provided with at least one gas discharging port, a ratio (A1/A2) of a total area (A1) of the at least one gas discharging port and an area (A2) of the opening portion being equal to or greater than 0.015 and equal to or smaller than 1; and a pressurized medium contained in the inflator housing, the pressurized medium consisting mainly of a mixture of helium and...

이 특허에 인용된 특허 (29)

  1. Swann Timothy A. ; Shirk Bryan W. ; Esterberg Dean M. ; Al-Amin Ahmad K. ; Van Wynsberghe Roy D. ; Mramor Vincent J.. Air bag inflator. USP2000016010152.
  2. Svensson Orvar (Tby SEX). Airbag filling arrangement. USP1996065527066.
  3. Rink Karl K. ; Moore Walter A. ; Green David J. ; Mendenhall Ivan V.. Airbag inflation gas generation via a dissociating material and the moderation thereof. USP2001126332404.
  4. Fischer Craig M. (Mesa AZ). Apparatus for inflating an inflatable vehicle occupant protection device. USP1997035613703.
  5. Bosio Allen C.,DEX. Compressed gas accumulator for a vehicle occupant restraint system and gas bag module. USP2000056068289.
  6. Bosio Allen Charles,DEX. Compressed gas storage means for a vehicle occupant restraining system. USP1999115975570.
  7. Frantom Richard L. (Richmond MI) Bishop Robert J. (Washington MI) Kremer Robert (Fraser MI) Ocker Klaus (Fraser MI) Brown Roy (Hot Springs AR) Rose James (Fairfax VA) Renfroe Donald (Haymarket VA) Ba. Dual pyrotechnic hybrid inflator. USP1991065022674.
  8. Cuevas Jess A. (Scottsdale AZ) Fischer Craig M. (Mesa AZ) O\Loughlin John P. (Mesa AZ) Skouson John D. (Mesa AZ). Gas augmented inflator assembly with movable closure. USP1996125580085.
  9. Blackshire Robert D. ; Storch Milan L. ; Jones Clyde L.. Hybrid airbag inflator. USP2000086106008.
  10. Butt Ron J. ; Parks Brent A. ; Grages Dean W. ; Baglini James L. ; Renz Robert N. ; Hamilton Brian K.. Hybrid inflator. USP2001016170868.
  11. Frantom Richard (Richmond MI) Kremer Robert (Fraser MI) Ocker Klaus (Fraser MI) Bishop Robert (Sterling Heights MI). Hybrid inflator. USP1996055513572.
  12. Frantom Richard L. (Richmond MI) Bishop Robert J. (Washington MI) Kremer Robert M. (Fraser MI) Ocker Klaus F. (Fraser MI) Woods Charles D. (Gainesville GA) Renfroe Donald W. (Haymarket VA) Rose James. Hybrid inflator. USP1993115257819.
  13. Woods Charles D. (Gainesville VA) Renfroe Donald W. (Haymarket VA) Rose James M. (Fairfax VA) Bazel Teresa L. (Annadale VA) Frantom Richard L. (Richmond MI) Bishop Robert J. (Washington MI) Kremer Ro. Hybrid inflator. USP1991125076607.
  14. Frantom Richard L. (Richmond) Ocker Klaus F. (Fraser) Kremer Robert M. (Fraser) Rogerson William E. (Rochester Hills) Gaw ; Jr. William D. (Clawson MI) Brown Roy G. (Hot Springs AR) Bazel Teresa L. (. Hybrid inflator for air bag. USP1993045199740.
  15. Goetz George W.. Hybrid inflator including non-metallic nitrogen containing ignitable material. USP1999065913537.
  16. Marlow Darrell W. (Herrin IL). Inflating device for use with vehicle safety systems. USP1977044018457.
  17. Marlow Darrell W. (Herrin IL). Inflating device with self-contained propellant gas generating cartridge. USP1976063966225.
  18. Cuevas Jess A. (Scottsdale AZ) Fischer Craig M. (Mesa AZ) O\Loughlin John P. (Mesa AZ) Skouson John D. (Mesa AZ). Inflator assembly. USP1996125584504.
  19. Fink, Michael F.. Inflator for vehicle protection apparatus. USP2003046543806.
  20. Faigle Ernst M. ; Sparks Tracy S. ; Thompson Richard J.. Initiator for air bag inflator. USP1998065762368.
  21. Fischer Craig M. (Mesa AZ) O\Loughlin John P. (Mesa AZ). Isolation member for air bag inflator. USP1995025388859.
  22. Scheffe Robert S. (Alexandria VA). Occupant restraint system and composition useful therein. USP1991014981534.
  23. Mahon Geoffrey L. (Ridgewood NJ) Materna Peter (Metuchen NJ). Pulse shaping for airbag inflators. USP1996095551723.
  24. Barnes F. Michael ; Shepherd Benjamin Gregory. Rapid gas-fill apparatus and method. USP1998075782486.
  25. Reynolds George L. ; Woods Charles M.. Safety air bag inflation device. USP2000126155600.
  26. Morin Daniel (North Providence RI). Sensor for use with air bag inflator and method for making. USP1996045504288.
  27. Frantom Richard L. (67799 S. Forest Richmond MI 48062) Bishop Robert J. (8575 Springwood Way Washington MI 48094) Kremer Robert (17490 Sewel Fraser MI 48026) Ocker Klaus (16286 Erin Fraser MI 48026) . Single pyrotechnic hybrid inflator. USP1991075031932.
  28. Materna Peter (Metuchen NJ) Mahon Geoffrey L. (Ridgewood NJ). Temperature compensated stored gas inflator. USP1995075433476.
  29. Faigle Ernst M.. Vehicle occupant protection apparatus. USP2000026022045.