IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0539591
(1995-10-05)
|
발명자
/ 주소 |
- O\Loughlin John P. (Mesa AZ) Hocking James R. (Chandler AZ)
|
출원인 / 주소 |
- TRW Vehicle Safety Systems Inc. (Lyndhurst OH 02)
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인용정보 |
피인용 횟수 :
23 인용 특허 :
11 |
초록
▼
An apparatus (20, 320, 420) for inflating an air bag comprises a cylindrical container (40, 340, 440) that includes a tubular housing (42, 342, 442), a pair of axially opposite end walls (44, 46, 444, 446), and a longitudinal central axis (A, B, C). The container (40, 340, 440) defines a fluid stora
An apparatus (20, 320, 420) for inflating an air bag comprises a cylindrical container (40, 340, 440) that includes a tubular housing (42, 342, 442), a pair of axially opposite end walls (44, 46, 444, 446), and a longitudinal central axis (A, B, C). The container (40, 340, 440) defines a fluid storage chamber (48, 348, 448) for storing inflation fluid at a first pressure. One of the end walls (44 or 46, 444 or 446) of the container (40, 340, 440) has an opening (62, 462) through which inflation fluid may flow from the fluid storage chamber (48, 348, 448). A rupturable closure (102, 502) extends across the opening (62, 462) to block the flow of inflation fluid through the opening. The closure (102, 502) ruptures in response to pressure in the fluid storage chamber (48, 348, 448) increasing to a predetermined second pressure to permit the flow of inflation fluid from the fluid storage chamber through the opening (62, 462). An ignitable material (148, 600) is located in the fluid storage chamber (48, 348, 448) adjacent another end wall (46 or 44, 446 or 444) of the container (40, 340, 440). An actuatable igniter (222, 622) has an end (228, 628) located in the fluid storage chamber (40, 340, 440) and is surrounded by the ignitable material (148, 600). The igniter (222, 622), when actuated, ignites the ignitable material (148, 600) to produce combustion products, including heat, which increase the pressure of the inflation fluid in the fluid storage chamber (48, 348, 448) to the predetermined second pressure for rupturing the closure (102, 502).
대표청구항
▼
An apparatus for inflating an air bag, said apparatus comprising: a wall having a mounting portion and a tubular portion with a longitudinal central axis; a cup fixed to said tubular portion of said wall and having a rupturable base portion extending across a first axial end of said tubular portion
An apparatus for inflating an air bag, said apparatus comprising: a wall having a mounting portion and a tubular portion with a longitudinal central axis; a cup fixed to said tubular portion of said wall and having a rupturable base portion extending across a first axial end of said tubular portion of said wall, said wall and said cup cooperating to define a combustion chamber; an ignitable material supported by said tubular portion of said wall and being located in said combustion chamber; an actuatable igniter supported by said mounting portion of said wall at a second axial end of said tubular portion, said igniter having an end located within the combustion chamber and, when actuated, igniting said ignitable material to rupture said base portion of said cup to release combustion products from said combustion chamber; and a retainer for holding said ignitable material in said tubular portion of said wall and having an opening through which said combustion products flow; said retainer being fixed to said wall by an axial end portion of said tubular portion which is deformed over a peripheral edge of said retainer, said opening in said retainer being located along said axis of said tubular portion of said wall.
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