EP0767155B1 - Heterogene gaserzeugende Treibladungen - Google Patents

Heterogene gaserzeugende Treibladungen Download PDF

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Publication number
EP0767155B1
EP0767155B1 EP96307233A EP96307233A EP0767155B1 EP 0767155 B1 EP0767155 B1 EP 0767155B1 EP 96307233 A EP96307233 A EP 96307233A EP 96307233 A EP96307233 A EP 96307233A EP 0767155 B1 EP0767155 B1 EP 0767155B1
Authority
EP
European Patent Office
Prior art keywords
gas generant
fuel
accordance
charge
composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96307233A
Other languages
English (en)
French (fr)
Other versions
EP0767155A1 (de
Inventor
Michael W. Barnes
Christopher Hock
Matthew A. Cox
Robert D. Taylor
Michael P. Jordan
Alan J. Ward
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Autoliv ASP Inc
Original Assignee
Autoliv ASP Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/540,379 external-priority patent/US5670740A/en
Application filed by Autoliv ASP Inc filed Critical Autoliv ASP Inc
Publication of EP0767155A1 publication Critical patent/EP0767155A1/de
Application granted granted Critical
Publication of EP0767155B1 publication Critical patent/EP0767155B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
    • C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
    • C06D5/06—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Air Bags (AREA)

Claims (9)

  1. Zum Aufblasen von Kraftfahrzeugairbags geeignete gaserzeugende Treibladung, die ein heterogenes Gemisch von 80 bis 95 Gew.% einer ersten getrennt vermischten gaserzeugenden Zusammensetzung (1) und 5 bis 20 Gew.% einer zweiten getrennt vermischten gaserzeugenden Zusammensetzung (2), bezogen auf das Gesamtgewicht von (1) + (2), umfaßt, wobei
    die erste gaserzeugende Zusammensetzung (1) 20 bis 40 Gew.% Brennstoff (A) und 60 bis 80 Gew.% Oxidationsmittel (B) umfaßt,
    50 bis 80 Gew.% des Brennstoffes (A) eine Triazol- oder Tetrazolverbindung (A1) sind und 15 bis 50 Gew.% des Brennstoffes ein wasserlöslicher Brennstoff (A2) sind,
    wenigstens 20 Gew.% des Oxidationsmittels (B), bis zu 100 %, ein Übergangsmetalloxid (B1) sind, wobei der Rest dieses Oxidationsmittels aus einer Gruppe (B2) ausgewählt ist, die aus Alkali- und/oder Erdalkalimetallnitraten, -chloraten oder -perchloraten besteht, und
    die zweite gaserzeugende Zusammensetzung (2) 30 bis 65 Gew.% eines Brennstoffes (C) umfaßt, welcher eine organische Verbindung ist, die Carbonsäure- oder Salzgruppen hat und nur die Elemente Kohlenstoff, Wasserstoff und Sauerstoff enthält, wobei der Sauerstoffgehalt zwischen 35 und 65 Gew.% dieser organischen Verbindung liegt, sowie 35 bis 70 Gew.% eines Oxidationsmittels (D) umfaßt, welches unter Alkalimetallchloraten, Alkalimetallperchloraten und Gemischen hiervon ausgewählt ist.
  2. Gaserzeugende Treibladung nach Anspruch 1, in der das Übergangsmetalloxid CuO ist.
  3. Gaserzeugende Treibladung nach Anspruch 1 oder 2, in der der wasserlösliche Brennstoff (A2) unter Guanidinnitrat, Aminoguanidinnitrat, Diaminoguanidinnitrat, Semicarbazidnitrat, Triaminoguanidinnitrat, Ethylendiamindinitrat, Hexamethylentetramindinitrat und Gemischen hiervon ausgewählt ist.
  4. Gaserzeugende Treibladung nach Anspruch 3, in der der wasserlösliche Brennstoff (A2) Guanidinnitrat ist.
  5. Gaserzeugende Treibladung nach einem der vorausgehenden Ansprüche, in der die ersten und zweiten gaserzeugenden Zusammensetzungen zu getrennten Tabletten oder Plättchen pelletisiert sind.
  6. Gaserzeugende Treibladung nach einem der Ansprüche 1 bis 4, in der die erste und zweite gaserzeugende Zusammensetzung aus einem Trockengemisch dieser gaserzeugenden Zusammensetzungen gemeinsam pelletisiert sind.
  7. Gaserzeugende Treibladung nach einem der vorausgehenden Ansprüche, in der der Brennstoff (C) der zweiten gaserzeugenden Zusammensetzung (2) unter Weinsäure, Oxalsäure, Malonsäure, Bernsteinsäure, Schleimsäure, Zitronensäure und Salzen und Gemischen hiervon ausgewählt ist.
  8. Gaserzeugende Treibladung nach Anspruch 7, worin der Brennstoff (C) der zweiten gaserzeugenden Zusammensetzung (2) Weinsäure ist.
  9. Gaserzeugende Treibladung nach einem der vorausgehenden Ansprüche, in der das Oxidationsmittel (D) der zweiten gaserzeugenden Zusammensetzung (2) Kaliumperchlorat ist.
EP96307233A 1995-10-06 1996-10-03 Heterogene gaserzeugende Treibladungen Expired - Lifetime EP0767155B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US540379 1995-10-06
US08/540,379 US5670740A (en) 1995-10-06 1995-10-06 Heterogeneous gas generant charges
US60451296A 1996-02-21 1996-02-21
US604512 1996-02-21

Publications (2)

Publication Number Publication Date
EP0767155A1 EP0767155A1 (de) 1997-04-09
EP0767155B1 true EP0767155B1 (de) 2000-08-16

Family

ID=27066424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96307233A Expired - Lifetime EP0767155B1 (de) 1995-10-06 1996-10-03 Heterogene gaserzeugende Treibladungen

Country Status (3)

Country Link
EP (1) EP0767155B1 (de)
JP (1) JPH09118582A (de)
DE (1) DE69609793T2 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7758709B2 (en) 2006-06-21 2010-07-20 Autoliv Asp, Inc. Monolithic gas generant grains
US8057611B2 (en) 2007-08-13 2011-11-15 Autoliv Asp, Inc. Multi-composition pyrotechnic grain
US8808476B2 (en) 2008-11-12 2014-08-19 Autoliv Asp, Inc. Gas generating compositions having glass fibers
US8815029B2 (en) 2008-04-10 2014-08-26 Autoliv Asp, Inc. High performance gas generating compositions
US9051223B2 (en) 2013-03-15 2015-06-09 Autoliv Asp, Inc. Generant grain assembly formed of multiple symmetric pieces
US9193639B2 (en) 2007-03-27 2015-11-24 Autoliv Asp, Inc. Methods of manufacturing monolithic generant grains

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2761982B1 (fr) * 1997-04-11 1999-05-07 Livbag Snc Procede pour assurer un deploiement progressif d'un coussin de protection et chargement pyrotechnique pour sa mise en oeuvre
DE29722912U1 (de) * 1997-12-29 1998-02-19 Trw Airbag Sys Gmbh & Co Kg Azidfreie gaserzeugende Zusammensetzung
DE29806504U1 (de) * 1998-04-08 1998-08-06 Trw Airbag Sys Gmbh & Co Kg Azidfreie, gaserzeugende Zusammensetzung
JP2000086375A (ja) * 1998-09-09 2000-03-28 Daicel Chem Ind Ltd ガス発生剤組成物
JP2000086376A (ja) 1998-09-14 2000-03-28 Daicel Chem Ind Ltd ガス発生剤組成物
RU2250800C2 (ru) * 1999-09-30 2005-04-27 Тно Принс Мауритс Лаборатори Способ генерирования газов, предпочтительно азота, с низкой температурой и газогенератор для его осуществления
US6503350B2 (en) * 1999-11-23 2003-01-07 Technanogy, Llc Variable burn-rate propellant
US6454886B1 (en) 1999-11-23 2002-09-24 Technanogy, Llc Composition and method for preparing oxidizer matrix containing dispersed metal particles
US6430920B1 (en) 1999-11-23 2002-08-13 Technanogy, Llc Nozzleless rocket motor
EP1151976A1 (de) * 2000-05-02 2001-11-07 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Verfahren zum Aufblasen eines Gegenstandes
EP1151978A1 (de) * 2000-05-02 2001-11-07 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Verfahren zur Erzeugung von Gas
EP1151977A1 (de) * 2000-05-02 2001-11-07 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Verfahren zur Erzeugung von Gas zur Bereitstellung von Energie
US20070034307A1 (en) * 2005-07-29 2007-02-15 Hordos Deborah L Autoignition/booster composition
US8057612B2 (en) 2007-08-13 2011-11-15 Autoliv Asp, Inc. Methods of forming a multi-composition pyrotechnic grain
WO2009023119A2 (en) * 2007-08-13 2009-02-19 Autoliv Asp, Inc. Multi-composition pyrotechnic grain and related method of forming
WO2010137933A1 (en) * 2009-05-26 2010-12-02 Boris Jankovski Gas generating charges for aerosol fire suppression devices and their production technology
US8221565B2 (en) * 2009-08-03 2012-07-17 Autoliv Asp, Inc. Combustion inhibitor coating for gas generants
JP2012111682A (ja) * 2010-11-02 2012-06-14 Nippon Kayaku Co Ltd ガス発生剤成型体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902934A (en) * 1972-06-08 1975-09-02 Specialty Products Dev Corp Gas generating compositions
FR2234246B1 (de) * 1973-06-19 1976-09-17 Poudres & Explosifs Ste Nale
DE3346287A1 (de) * 1983-12-21 1985-07-04 WNC-Nitrochemie GmbH, 8261 Aschau Treibladung fuer rohrwaffen und verfahren zu ihrer herstellung
JPS63176387A (ja) * 1987-01-16 1988-07-20 ダイセル化学工業株式会社 ガス発生器
DE3933555C1 (en) * 1989-10-07 1991-02-21 Bayern-Chemie Gesellschaft Fuer Flugchemische Antriebe Mbh, 8261 Aschau, De Vehicle safety bag inflation change - is flat with slow-burning outer section ignited first and surrounding fast-burning central section
US5034070A (en) * 1990-06-28 1991-07-23 Trw Vehicle Safety Systems Inc. Gas generating material
JPH0648880A (ja) * 1992-06-05 1994-02-22 Trw Inc ガス発生器用の多層型ガス発生ディスク
US5386775A (en) * 1993-06-22 1995-02-07 Automotive Systems Laboratory, Inc. Azide-free gas generant compositions and processes
US5467715A (en) * 1993-12-10 1995-11-21 Morton International, Inc. Gas generant compositions
US5431103A (en) * 1993-12-10 1995-07-11 Morton International, Inc. Gas generant compositions

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7758709B2 (en) 2006-06-21 2010-07-20 Autoliv Asp, Inc. Monolithic gas generant grains
US8057610B2 (en) 2006-06-21 2011-11-15 Autoliv Asp, Inc. Monolithic gas generant grains
US9193639B2 (en) 2007-03-27 2015-11-24 Autoliv Asp, Inc. Methods of manufacturing monolithic generant grains
US8057611B2 (en) 2007-08-13 2011-11-15 Autoliv Asp, Inc. Multi-composition pyrotechnic grain
US8815029B2 (en) 2008-04-10 2014-08-26 Autoliv Asp, Inc. High performance gas generating compositions
US8808476B2 (en) 2008-11-12 2014-08-19 Autoliv Asp, Inc. Gas generating compositions having glass fibers
US9051223B2 (en) 2013-03-15 2015-06-09 Autoliv Asp, Inc. Generant grain assembly formed of multiple symmetric pieces

Also Published As

Publication number Publication date
DE69609793T2 (de) 2000-12-28
JPH09118582A (ja) 1997-05-06
EP0767155A1 (de) 1997-04-09
DE69609793D1 (de) 2000-09-21

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