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KR930702178A - 하이브리드 팽창기 - Google Patents

하이브리드 팽창기

Info

Publication number
KR930702178A
KR930702178A KR1019930701385A KR930701385A KR930702178A KR 930702178 A KR930702178 A KR 930702178A KR 1019930701385 A KR1019930701385 A KR 1019930701385A KR 930701385 A KR930701385 A KR 930701385A KR 930702178 A KR930702178 A KR 930702178A
Authority
KR
South Korea
Prior art keywords
propellant
inflator
burst disk
sliding piston
combustion
Prior art date
Application number
KR1019930701385A
Other languages
English (en)
Other versions
KR970011515B1 (ko
Inventor
데이비드 우드스 찰스
더블유. 렌프로이 도날드
마이컬 로우즈 제임스
로레인 버젤 테레사
엘. 프랜톰 리차드
제이 비숍 로버트
엠. 크레머 로버트
에프. 오커 클라우스
브라운 로이
Original Assignee
로버트 엘. 콕스
벤딕스 아틀란틱 인플레이터 캄파니
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
Application filed by 로버트 엘. 콕스, 벤딕스 아틀란틱 인플레이터 캄파니 filed Critical 로버트 엘. 콕스
Publication of KR930702178A publication Critical patent/KR930702178A/ko
Application granted granted Critical
Publication of KR970011515B1 publication Critical patent/KR970011515B1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/268—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous release of stored pressurised gas
    • B60R21/272—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

팽창기(10)는 압력하에 있는 일정양의 저장된 팽창가스를 저장하기 위한 압력탱크(12, 14, 16, 20)으로 구성되어 있다.
압력탱크는 저장된 팽창가스와 연통한 제1파열디스크(46)와 한끝에 있는 제1파열 디스크 및 다른 한끝에 있는 제2파열디스크(80)를 구멍나게 하는 날카로운 엣지(74)를 포함하고 있는 미끄럼피스톤(72)를 포함하고 있다.
압력형성에 따라 제1파열디스크와 맞물려 이동가능한 미끄럼피스톤(72)은 추진제의 연소에 반응하여 제2파열디스크(80)상에 작용하고 이에 의해 저장된 팽창가스의 방출을 허용한다.
제2파열디스크는 연소추진제로 인하여 연속적으로 형성된 압력에 의해 파열된 후 연소 추진제로부터 초래한 연소의 가열된 생성물은 팽창기로부터 빠져나옴에 앞서 저장된 팽창가스의 온도를 증가시키도록 미끄럼피스톤(72)을 통하여 유동하도록 한다.

Description

하이브리드 팽창기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 단면도, 제2도는 제1도의 일부에 대한 분해도, 제3도는 본 발명의 변경 실시예에 대한 예시도.

Claims (17)

  1. 팽창(10)기에 있어서, 압력하에 있는 일정양의 저장된 가스를 저장하며, 저장된 팽창가스와 연통하고 있는 제1파열디스크로 구성되어 있으며 그리고 가스의 방출을 챔버로부터 방지하는 압력탱크(12, 14, 16, 20), 개구를 가지고 있으며 그리고 한끝에서 제1파열디스크와 다른 한끝에서 제2파열디스크(80)를 구멍나게 하는 제1수단을 포함하고 있는 미끄럼피스톤(72), 그리고 제2파열디스크(80)부근에 제공되어 있으며, 연소될때 가스화된 연소생성물을 발생시키는 추진제(90)로 구성되며, 압력형성에 따라 제1파열디스크를 구멍나게 하도록 상기 제1파열디스크와 맞물려 있는 이동가능한 상기 미끄럼피스톤(72)은 추진제(90)의 연소에 반응하여 제2파열 디스크(80)상에 작용하고 이에 의해 저장된 팽창가스의 배출을 허용하며, 상기 제2파열디스크는 연소추진제로 인하여 연속적으로 형성한 압력에 의해 파괴된후 연소 추진제로부터 초래한 가열된 연소생성물이 팽창기로부터 빠져나옴에 앞서 저장된 팽창가스의 온도를 증가시키도록 미끄럼피스톤(72)의 개구를 통하여 유동하도록 하는 것을 특징으로 하는 팽창기.
  2. 제1항에 있어서, 압력탱크(12)는 원통형 슬리이브(14), 슬리이브 한끝에 고정된 제1엔드캡(16)과 다른 한끝에 고정된 제2엔드캡(20)으로 구성되어 있으며, 상기 제2엔드캡(20)은 슬리이브(14)안으로 뻗은 좁은 부분(40)을 포함하고 일반원통형 형상으로 되어 있으며, 상기 좁은 부분은 제1개구(44)를 형성하고 있으며, 제1파열 디스크(46)은 제1개구(44)를 폐쇄하도록 좁은 부분에 고정되어 있으며, 상기 제2엔드캡(20)은 제1파열디스크(46)에 구멍이 생겨 가스가 관통하여 빠져나가는 적어도 하나의 오리피스개구(120)를 더 포함하고 있는 것을 특징으로 하는 팽창기.
  3. 제1항에 있어서, 제1엔드캡(16)은 압력탱크(12)내부에 위치된 압력센서(30)를 지지하는 것을 특징으로 하는 팽창기.
  4. 제1항에 있어서, 추진제하우징(52)은 제2엔드캡(20)내에 고정위치되고, 제2엔드캡(20) 내부로부터 이격되어 있고, 제1파열디스크(46)를 직면하고 있는 제2개구를 포함하고 있으며, 중공슬리이브부재(60)는 하우징(52)에 고정되고 제2개구(54)를 통하여 뻗어 있으며, 그리고 상기 미끄럼피스톤(72)은 슬리이브부재(60)내에 수용되어 이동 가능한 것을 특징으로 하는 팽창기.
  5. 제4항에 있어서, 제1파열디스크(46)를 향한 방향으로 미끄럼피스톤(72)의 이동을 억제하는 제1수단(84)을 포함하고 있으며, 상기 제1수단은 연소추진제에 의해 발생된 압력이 제1소정된 값에 도달될때까지 미끄럼피스톤(72)의 이동을 억제하는 것을 특징으로 하는 팽창기.
  6. 제5항에 있어서, 슬리이브부재(60)은 제1파열디스크(46)로부터 멀리 직면한 끝에서 미끄럼피스톤이 추진제하우징(52)을 향한 방향으로 이동하는 것을 방지하는 제2수단(86)을 포함하고 있는 것을 특징으로 하는 팽창기.
  7. 제7항에 있어서, 제2수단(86)은 좁은 밴드 또는 와이어를 포함하고 있는 것을 특징으로 하는 팽창기.
  8. 제4항에 있어서, 추진제(90)은 미끄럼피스톤(72)으로부터 이격된 추진제하우징(52)내에 고정되어 있으며, 기폭기수단(100, 102)은 충돌시를 나타내는 제어신호에 반아여 추진제가 연소하도록 열을 발생시키며, 가압수단(104, 106)은 기폭기수단과 추진제(90)를 개재시켜 추진제가 이동을 방지하도록 추진제어 예비하중을 가하는 것을 특징으로 하는 팽창기.
  9. 제8항에 있어서, 가압수단(104, 106)은 추진제(90)와 상호작용하는 스크린(104)으로 구성되어 있으며, 상기 스크린(104)은 기폭기수단에 의해 발생된 열을 추진제에 균일하게 분배하는 수단으로서 기능을 하는 것을 특징으로 하는 팽창기.
  10. 제8항에 있어서, 가압수단은 추진제(90)위로 스크린(104)을 예비하중 가하는 탄성재료를 더 포함하고 있는 것을 특징으로 하는 팽창기.
  11. 제1항에 있어서, 디퓨저(130)는 팽창가스가 상기 디퓨저(130) 주위에 장착된 에어백(140)에 분배하도록 팽창기 주위에 위치된 것을 특징으로 하는 팽창기.
  12. 제8항에 있어서, 기폭기수단은 추진제하우징(52)에 고정된 기폭기하우징(100)와 추진제의 연소를 기폭시키는 도화폭관 또는 기폭기(102)를 포함하고 있으며, 발화폭진수단(110)은 추진제(90)에 공급된 열을 증가시키기 위해서 도화폭관과 추진제(90) 사이에 위치된 것을 특징으로 하는 팽창기.
  13. 제4항에 있어서, 슬리이브부재(60)는 피스톤이 파열디스크를 구멍나게 한 위치에서 슬라이딩피스톤(72)을 유지하기 위한 수단을 포함하고 있는 것을 특징으로 하는 팽창기.
  14. 제13항에 있어서, 마지막으로 언급된 수단은 슬리이브부재(60)과 미끄럼피스톤(72) 사이에서 억지끼워맞춤을 이루기 위한 수단을 포함하고 있는 것을 특징으로 하는 팽창기.
  15. 제1항에 있어서, 제2파열디스크(80)는 미끄럼피스톤(72)이 일체부로써 형성된 것을 특징으로 하는 팽창기.
  16. 제10항에 있어서, 탄성재료는 실리콘인 것을 특징으로 하는 팽창기.
  17. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930701385A 1990-11-27 1991-11-19 하이브리드 팽창기 KR970011515B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/618,428 US5076607A (en) 1990-11-27 1990-11-27 Hybrid inflator
US618,428 1990-11-27
PCT/US1991/008639 WO1992009459A1 (en) 1990-11-27 1991-11-19 Hybrid inflator

Publications (2)

Publication Number Publication Date
KR930702178A true KR930702178A (ko) 1993-09-08
KR970011515B1 KR970011515B1 (ko) 1997-07-11

Family

ID=24477625

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930701385A KR970011515B1 (ko) 1990-11-27 1991-11-19 하이브리드 팽창기

Country Status (8)

Country Link
US (1) US5076607A (ko)
EP (1) EP0558651B1 (ko)
JP (1) JP3114123B2 (ko)
KR (1) KR970011515B1 (ko)
DE (1) DE69107093T2 (ko)
ES (1) ES2067323T3 (ko)
MX (1) MX174031B (ko)
WO (1) WO1992009459A1 (ko)

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EP0558651A1 (en) 1993-09-08
DE69107093T2 (de) 1995-09-14
WO1992009459A1 (en) 1992-06-11
MX9102038A (es) 1994-01-31
JPH06503288A (ja) 1994-04-14
JP3114123B2 (ja) 2000-12-04
ES2067323T3 (es) 1995-03-16
KR970011515B1 (ko) 1997-07-11
DE69107093D1 (de) 1995-03-09
MX174031B (es) 1994-04-12
US5076607A (en) 1991-12-31
EP0558651B1 (en) 1995-01-25

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