JP7478705B2 - ガス発生器 - Google Patents
ガス発生器 Download PDFInfo
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- JP7478705B2 JP7478705B2 JP2021072207A JP2021072207A JP7478705B2 JP 7478705 B2 JP7478705 B2 JP 7478705B2 JP 2021072207 A JP2021072207 A JP 2021072207A JP 2021072207 A JP2021072207 A JP 2021072207A JP 7478705 B2 JP7478705 B2 JP 7478705B2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
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Description
11、111 底板部
12、112 周壁部
13、113 突状筒部
14、114 窪み部
15、115 開口部
20、120 上部側シェル
21、121 天板部
22、122 周壁部
23、123 ガス噴出口
24、124 シールテープ
28、128 間隙部
30、130 保持部
31、131 内側被覆部
32、132 外側被覆部
33、133 連結部
34、134 雌型コネクタ部
40、140 点火器
41、141 点火部
42、142 端子ピン
43、143 スクイブカバー
50、150 カップ状部材
54、154 先端部
57、157 伝火室
59、159 伝火薬
60、160 燃焼室
61、161 ガス発生剤
70、170 下側支持部材
71、171 基部
72、172 当接部
73、173 立設部
80、180 上側支持部材
81、181 基部
82、182 当接部
83、183 脆弱部
85 クッション材
90、190 フィルタ
90a、190a 最内層
90b、190b 外層
90A 板状金属部材
100、200 ガス発生器
284 スリット
S1、S2 空間
Claims (4)
- 下部側シェルと上部側シェルとを有し、複数のガス噴出口が配設された金属製のハウジングと、
前記ガス噴出口を前記ハウジングの内側において閉塞するシール状の閉塞部材と、
前記ハウジングの内側に周方向にわたって設けられ、気体が通過可能な穴部を複数有した板状金属部材を巻き回すことによって形成された部分を少なくとも最内層の一部に有したフィルタと、
前記ハウジングの内壁と前記フィルタの内壁とで囲まれる空間から形成された燃焼室と、
前記燃焼室に収容され燃焼によりガスを発生するガス発生剤と、
前記ハウジングに装着され、前記ガス発生剤を着火燃焼させる点火器と、
を備え、
少なくとも前記最内層の先端部から所定部分までが前記フィルタの側面方向に可動するゼンマイばね状に形成されていることを特徴とするガス発生器。 - 前記板状金属部材のうち前記ゼンマイばね状に形成される部分は、前記板状金属部材の全体の幅よりも小さい幅に予め形成されており、
前記板状金属部材は、前記ゼンマイばね状に形成される部分を突起部とした凸形状に形成されていることを特徴とする請求項1に記載のガス発生器。 - 充填された前記ガス発生剤を前記上部側シェル側から押さえる上側支持部材をさらに備えており、
前記上側支持部材の前記上部側シェル側には、前記上部側シェルを前記下部側シェルに取り付ける前の初期状態において起立するように形成された脆弱部が設けられており、
前記脆弱部は、前記上部側シェルを前記下部側シェルに取り付ける際に、前記上部側シェルの内壁と接触することによって、前記ハウジングの中心方向に折り曲がるように形成されていることを特徴とする請求項1または2に記載のガス発生器。 - 前記脆弱部には、前記起立の方向に沿って、前記初期状態において、予め、さらに脆弱な部位、折り目、またはスリットが形成されていることを特徴とする請求項3に記載のガス発生器。
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JP2008273281A (ja) | 2007-04-26 | 2008-11-13 | Nippon Kayaku Co Ltd | フィルター材及びガス発生器 |
JP2010234843A (ja) | 2009-03-30 | 2010-10-21 | Toyoda Gosei Co Ltd | インフレータおよびインフレータ用フィルタ材 |
JP2012144072A (ja) | 2011-01-07 | 2012-08-02 | Nippon Kayaku Co Ltd | ガス発生器 |
JP2019531975A (ja) | 2016-08-24 | 2019-11-07 | オートリブ エーエスピー,インコーポレイティド | エアバッグインフレータ用蛇行経路フィルタ |
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JP2010234843A (ja) | 2009-03-30 | 2010-10-21 | Toyoda Gosei Co Ltd | インフレータおよびインフレータ用フィルタ材 |
JP2012144072A (ja) | 2011-01-07 | 2012-08-02 | Nippon Kayaku Co Ltd | ガス発生器 |
JP2019531975A (ja) | 2016-08-24 | 2019-11-07 | オートリブ エーエスピー,インコーポレイティド | エアバッグインフレータ用蛇行経路フィルタ |
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