IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0030939
(2000-07-26)
|
우선권정보 |
JP-0213351 (1999-07-28) |
국제출원번호 |
PCT/JP00/04980
(2002-01-15)
|
§371/§102 date |
20020115
(20020115)
|
국제공개번호 |
WO01/07299
(2001-02-01)
|
발명자
/ 주소 |
- Suehiro, Akihiko
- Tanaka, Koji
- Saso, Takashi
|
출원인 / 주소 |
- Nippon Kayaku Kabushiki-Kaisha
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier &
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
11 |
초록
▼
It is an object of the present invention to provide a gas generator suitable for an organic-compound gas generating agent and excellent in heat resistance, pressure resistance, and sealing. In the gas generator, a housing (4) is formed by joining an iron- or steel-made upper lid (2), consisting of a
It is an object of the present invention to provide a gas generator suitable for an organic-compound gas generating agent and excellent in heat resistance, pressure resistance, and sealing. In the gas generator, a housing (4) is formed by joining an iron- or steel-made upper lid (2), consisting of a top plate (2a) and a side cylinder (1a) extending downward from an entire circumferential edge thereof and provided with many gas discharge holes (8) with an iron- or steel-made lower lid (3), consisting of a bottom plate (3f), side cylinder (1b) extending upward from an entire circumferential edge thereof, and an ignitor holding portion (3a) formed integrally with the bottom plate (3f) and for fixing by caulking an ignitor (30). In the housing (4), the ignitor (30) and a gas generating agent (6) are arranged in the order mentioned from a center thereof.
대표청구항
▼
1. A gas generator comprising:a single cylinder housing comprising an upper lid and a lower lid joined together, the upper lid having a bowl shape including a top plate portion and a side cylinder portion extending downward, the side cylinder portion being provided with a plurality of gas discharge
1. A gas generator comprising:a single cylinder housing comprising an upper lid and a lower lid joined together, the upper lid having a bowl shape including a top plate portion and a side cylinder portion extending downward, the side cylinder portion being provided with a plurality of gas discharge holes, the lower lid having a bowl shape including a side cylinder portion and a bottom plate portion having a thickened wall portion, the lower lid including an ignitor holding portion including an inner side cylindrical portion, said thickened wall portion being formed as a step portion around an outer circumference of a base portion of the inner side cylindrical portion, said ignitor holding portion being formed integrally with the bottom plate portion on the thickened wall portion, the upper and lower lids comprising one of iron and steel, and said housing having substantially the same thickness except for the thickened wall portion;an ignitor held by the ignitor holding portion by caulking in a center portion of the single cylinder housing; anda plurality of gas generating devices provided around the ignitor in the single cylinder housing.2. The gas generator according to claim 1, wherein the side cylinder of the upper lid has a flange extending horizontally outward therefrom. 3. The gas generator according to claim 1, wherein the ignitor holding portion further comprises a protruding portion protruding from the inner side cylindrical portion into the center portion thereof and mounting the ignitor, and a bending portion extending from the inner side cylindrical portion, bending towards a center thereof.4. The gas generator according to claim 1, wherein the side cylinders of the upper and lower lids have an outside diameter, D, and a length, L, from the upper lid to an outer surface of the lower lid is L/D?1.5. The gas generator according to claim 1, wherein the plurality of gas generating devices comprises an organic-compound gas generating agent including a nitrogen containing organic compound.6. A gas generator comprising:a housing comprising an upper lid and a lower lid joined together, the upper lid having a bowl shape and provided with a plurality of gas discharge holes, the lower lid having a bowl shape having a side cylinder portion and a bottom plate having a thickened wall portion, the lower lid including an ignitor holding portion including an inner side cylindrical portion, said thickened wall portion being formed as a step portion around an outer circumference of a base portion of the inner side cylindrical portion, said ignitor holding portion being formed integrally with the bottom plate on the thickened wall portion, and said housing having substantially the same thickness except for the thickened wall portion;an ignitor held by the ignitor holding portion in a center portion of the housing; anda plurality of gas generating devices provided around the ignitor in the housing. 7. A gas generator comprising:a single cylinder housing comprising an upper lid and a lower lid joined together, the upper lid having a bowl shape including a top plate portion and a side cylinder portion extending downward, the side cylinder portion being provided with a plurality of gas discharge holes, the lower lid having a bowl shape including a side cylinder portion and a bottom plate portion having a thickened wall portion, the lower lid including an ignitor holding portion including an inner side cylindrical portion, said thickened wall portion being formed as a step portion around an outer circumference of a base portion of the inner side cylindrical portion, said ignitor holding portion being formed integrally with the bottom plate portion on the thickened wall portion, the upper and lower lids comprising one of iron and steel, and said lower lid having substantially the same thickness except for the thickened wall portion;an ignitor held by the ignitor holding portion by caulking in a center portion of the single cylinder housing; anda plurality of gas generating devices provided around the ignitor in the single cylinder housing.8. A gas generator comprising:a single cylinder housing comprising an upper lid and a lower lid joined together, the upper lid having a bowl shape including a top plate portion and a side cylinder portion extending downward, the side cylinder portion being provided with a plurality of gas discharge holes, the lower lid having a bowl shape including a side cylinder portion and a bottom plate portion having a thickened wall portion, the lower lid including an ignitor holding portion including an inner side cylindrical portion, said thickened wall portion being formed as a step portion around an outer circumference of a base portion of the inner side cylindrical portion, said ignitor holding portion being formed integrally with the bottom plate portion on the thickened wall portion, the upper and lower lids comprising one of iron and steel, and said upper lid having substantially the same thickness;an ignitor held by the ignitor holding portion by caulking in a center portion of the single cylinder housing; anda plurality of gas generating devices provided around the ignitor in the single cylinder housing.
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