JP4532124B2 - エアバッグガス発生器用フィルタ - Google Patents
エアバッグガス発生器用フィルタ Download PDFInfo
- Publication number
- JP4532124B2 JP4532124B2 JP2004001593A JP2004001593A JP4532124B2 JP 4532124 B2 JP4532124 B2 JP 4532124B2 JP 2004001593 A JP2004001593 A JP 2004001593A JP 2004001593 A JP2004001593 A JP 2004001593A JP 4532124 B2 JP4532124 B2 JP 4532124B2
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- Japan
- Prior art keywords
- layer
- filter
- wire
- gas generator
- gas
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000009940 knitting Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 119
- 239000003795 chemical substances by application Substances 0.000 description 27
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000007788 liquid Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011800 void material Substances 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B60R21/261—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 with means other than bag structure to diffuse or guide inflation fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/10—Filter screens essentially made of metal
- B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
-
- 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
- B60R21/264—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 generation of gas, e.g. pyrotechnic
- B60R21/2644—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 generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder
-
- 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
- B60R2021/26011—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 a filter through which the inflation gas passes
-
- 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
- B60R2021/26017—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 a cooling agent being added to the inflation fluid
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Air Bags (AREA)
- Filtering Materials (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
2 線材
3 線材供給端
4 点火器
6 第1層
7 第2層
8 第3層
10 第2層端部
16 ガス発生剤
23 伝火薬
33 ハウジング
50 フィルタ
α ピッチ角
θ 交差角
Claims (8)
- 断面積が0.03〜0.8mm2の線材を螺旋状に巻いて形成され、径方向上下に重なる線材同士のピッチ角が相互に対称である第1層と、
この第1層の径方向外側に存在し、断面積が0.0020〜0.042mm2の線材を編んで形成された平畳織金網又は綾畳織金網からなる、濾過粒度が第1層より細かく形成された第2層と、
第2層の径方向外側には、更に第2層の線材よりも断面積が大きい線材で形成された第3層が設けられており、
第2層は、円筒状に形成されるフィルタの軸方向端面から突出している、エアバッグガス発生器用フィルタ。 - 第3層は、径方向上下に重なる線材同士のピッチ角が相互に対称となる様に、線材を螺旋状に巻いて形成してなる請求項1記載のエアバッグガス発生器用フィルタ。
- 第1層及び第3層の少なくとも何れかは、焼結されて成形されている請求項1又は2記載のエアバッグガス発生器用フィルタ。
- 第1層は、径方向上下に重なる線材同士の交差角が、0°より大きく90°以下である請求項1〜3の何れか一項記載のエアバッグガス発生器用フィルタ。
- 第1層を構成し、螺旋状に巻かれて径方向上下に重なっている線材は、径方向上下に重なる部分が平坦に形成されている請求項1〜4の何れか一項記載のエアバッグガス発生器用フィルタ。
- エアバッグガス発生器用フィルタは、燃焼温度が2000K以下の固形ガス発生剤の燃焼によって生じたガスを浄化するものである請求項1〜5の何れか一項記載のエアバッグガス発生器用フィルタ。
- 円筒状のエアバッグガス発生器用フィルタの製造方法であって、
製造されるフィルタの軸方向に、断面積が0.03〜0.8mm2の線材を螺旋状にかつ径方向上下に重なる線材同士のピッチ角が相互に対称になるように巻いて第1層を形成し、
この第1層の径方向外側に、断面積が0.0020〜0.042mm2の線材を編んで形成された平畳織金網又は綾畳織金網からなる、濾過粒度が第1層より細かい第2層を第2層の端部が軸方向両端面から突出するように形成し、
この第2層の径方向外側には、更に第2層の線材よりも断面積が大きい線材を用いて第3層を形成することを含む、エアバッグガス発生器用フィルタの製造方法。 - 車両衝突の際に乗員を拘束するエアバッグを膨張させる為のガスを生じさせるガス発生器であって、
ガス発生器の作動開始装置としての点火装置と、該点火装置によって着火されて燃焼し、エアバッグを膨張させるためのガスを発生させる固形ガス発生剤と、このガスを冷却するフィルタとを備えており、
当該フィルタが、請求項1〜6の何れか一項記載のエアバッグガス発生器用フィルタであるエアバッグ用ガス発生器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004001593A JP4532124B2 (ja) | 2004-01-07 | 2004-01-07 | エアバッグガス発生器用フィルタ |
EP05703561A EP1707451B1 (en) | 2004-01-07 | 2005-01-06 | Filter for air bag gas producer |
CNB2005800016808A CN100411920C (zh) | 2004-01-07 | 2005-01-06 | 用于气囊气体发生器的过滤器 |
PCT/JP2005/000322 WO2005065999A1 (ja) | 2004-01-07 | 2005-01-06 | エアバッグガス発生器用フィルタ |
KR1020067013594A KR101098063B1 (ko) | 2004-01-07 | 2005-01-06 | 에어백 가스 발생기용 필터 및 그 제조 방법과, 에어백용 가스발생기 |
US10/578,516 US7763092B2 (en) | 2004-01-07 | 2005-01-06 | Filter for an air bag gas generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004001593A JP4532124B2 (ja) | 2004-01-07 | 2004-01-07 | エアバッグガス発生器用フィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005193762A JP2005193762A (ja) | 2005-07-21 |
JP4532124B2 true JP4532124B2 (ja) | 2010-08-25 |
Family
ID=34746997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004001593A Expired - Lifetime JP4532124B2 (ja) | 2004-01-07 | 2004-01-07 | エアバッグガス発生器用フィルタ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7763092B2 (ja) |
EP (1) | EP1707451B1 (ja) |
JP (1) | JP4532124B2 (ja) |
KR (1) | KR101098063B1 (ja) |
CN (1) | CN100411920C (ja) |
WO (1) | WO2005065999A1 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4532124B2 (ja) * | 2004-01-07 | 2010-08-25 | ダイセル化学工業株式会社 | エアバッグガス発生器用フィルタ |
JP4370177B2 (ja) * | 2004-01-29 | 2009-11-25 | 中央発條株式会社 | インフレータ用濾過部材及びインフレータ用濾過部材の製造方法 |
JP2009533221A (ja) * | 2006-04-15 | 2009-09-17 | エイシーエス インダストリーズ,インコーポレイテッド | 巻線ワイヤフィルタ |
JP2009078739A (ja) * | 2007-09-27 | 2009-04-16 | Nippon Kayaku Co Ltd | ガス発生器用フィルター及びガス発生器 |
JPWO2010050588A1 (ja) * | 2008-10-30 | 2012-03-29 | オートリブ エー・エス・ピー・インク | エアバッグ用インフレータ |
JP5016620B2 (ja) | 2009-01-15 | 2012-09-05 | 株式会社ダイセル | 車両の人員拘束装置用ガス発生器 |
JP5324931B2 (ja) | 2009-01-15 | 2013-10-23 | 株式会社ダイセル | 車両の人員拘束装置用ガス発生器 |
JP5016619B2 (ja) | 2009-01-15 | 2012-09-05 | 株式会社ダイセル | 車両の人員拘束装置用ガス発生器 |
JP5324930B2 (ja) | 2009-01-15 | 2013-10-23 | 株式会社ダイセル | 車両の人員拘束装置用ガス発生器 |
JP5490617B2 (ja) | 2010-06-08 | 2014-05-14 | 株式会社ダイセル | ガス発生器用の筒状フィルタ |
KR101122932B1 (ko) * | 2010-06-28 | 2012-03-20 | 한국기계연구원 | 에어백 필터 제조장치의 평면와이어 공급기구 |
JP6297814B2 (ja) * | 2012-12-28 | 2018-03-20 | 富士フィルター工業株式会社 | 金属製多孔体 |
CN104118389A (zh) * | 2013-04-23 | 2014-10-29 | 襄阳市樊卫达机械有限责任公司 | 汽车安全气囊发生器过滤网 |
CN106999815B (zh) * | 2014-10-30 | 2021-09-03 | 富士滤机工业株式会社 | 中空筒状过滤器及制造装置 |
US10676062B2 (en) | 2017-02-16 | 2020-06-09 | Trw Vehicle Safety Systems Inc. | Inflator filter |
JP7089910B2 (ja) * | 2018-03-12 | 2022-06-23 | 株式会社ダイセル | 火工装置用の筒状フィルタ、前記筒状フィルタの製造方法、前記筒状フィルタを使用した火工装置 |
JP6736093B2 (ja) * | 2018-03-12 | 2020-08-05 | 富士フィルター工業株式会社 | フィルタエレメント、及びフィルタエレメントの製造方法 |
CN109630314B (zh) * | 2018-12-13 | 2020-06-30 | 西安航天动力研究所 | 一种吸气式发动机冷启动***及冷启动方法 |
KR102154028B1 (ko) * | 2020-03-20 | 2020-09-09 | 주식회사 시노펙스 | 관형필터를 멜트 블로운 방식에 의해 제조하는 방법 |
JP7181624B2 (ja) * | 2020-04-07 | 2022-12-01 | 富士フィルター工業株式会社 | フィルタエレメント、及びフィルタエレメントの製造方法 |
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-
2004
- 2004-01-07 JP JP2004001593A patent/JP4532124B2/ja not_active Expired - Lifetime
-
2005
- 2005-01-06 KR KR1020067013594A patent/KR101098063B1/ko active IP Right Grant
- 2005-01-06 WO PCT/JP2005/000322 patent/WO2005065999A1/ja active Application Filing
- 2005-01-06 US US10/578,516 patent/US7763092B2/en active Active
- 2005-01-06 EP EP05703561A patent/EP1707451B1/en active Active
- 2005-01-06 CN CNB2005800016808A patent/CN100411920C/zh active Active
Patent Citations (11)
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JPH0319856U (ja) * | 1989-03-30 | 1991-02-27 | ||
JPH0341850U (ja) * | 1989-09-01 | 1991-04-22 | ||
JP2000198409A (ja) * | 1998-11-04 | 2000-07-18 | Daicel Chem Ind Ltd | エアバッグ用ガス発生器及びそのク―ラント |
JP2001171472A (ja) * | 1999-12-17 | 2001-06-26 | Fuji Filter Kogyo Kk | エアバッグインフレーター用フィルターの製造方法 |
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JP2001301561A (ja) * | 2000-04-21 | 2001-10-31 | Chuo Spring Co Ltd | インフレータ用のフィルタ |
JP2002306914A (ja) * | 2001-04-17 | 2002-10-22 | Fuji Filter Kogyo Kk | 巻線型フィルター装置の製造方法 |
US20030222443A1 (en) * | 2002-05-31 | 2003-12-04 | Cheal Blake L. | Gas generant filter assemblies |
WO2005065999A1 (ja) * | 2004-01-07 | 2005-07-21 | Daicel Chemical Industries, Ltd. | エアバッグガス発生器用フィルタ |
Also Published As
Publication number | Publication date |
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CN100411920C (zh) | 2008-08-20 |
KR101098063B1 (ko) | 2011-12-26 |
CN1906065A (zh) | 2007-01-31 |
EP1707451B1 (en) | 2012-04-11 |
US7763092B2 (en) | 2010-07-27 |
JP2005193762A (ja) | 2005-07-21 |
US20070214768A1 (en) | 2007-09-20 |
KR20070015505A (ko) | 2007-02-05 |
EP1707451A1 (en) | 2006-10-04 |
WO2005065999A1 (ja) | 2005-07-21 |
EP1707451A4 (en) | 2007-03-28 |
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