JP7808458B2 - ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法 - Google Patents

ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法

Info

Publication number
JP7808458B2
JP7808458B2 JP2021185185A JP2021185185A JP7808458B2 JP 7808458 B2 JP7808458 B2 JP 7808458B2 JP 2021185185 A JP2021185185 A JP 2021185185A JP 2021185185 A JP2021185185 A JP 2021185185A JP 7808458 B2 JP7808458 B2 JP 7808458B2
Authority
JP
Japan
Prior art keywords
filter
peripheral wall
combustion chamber
housing
wall portion
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.)
Active
Application number
JP2021185185A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023072553A (ja
JP2023072553A5 (https=
Inventor
智也 佐々木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daicel Corp
Original Assignee
Daicel Corp
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 Daicel Corp filed Critical Daicel Corp
Priority to JP2021185185A priority Critical patent/JP7808458B2/ja
Priority to PCT/JP2022/024335 priority patent/WO2023084826A1/ja
Priority to EP22892329.8A priority patent/EP4431346A4/en
Priority to CN202280071869.8A priority patent/CN118159452A/zh
Publication of JP2023072553A publication Critical patent/JP2023072553A/ja
Priority to US18/660,252 priority patent/US12286073B2/en
Publication of JP2023072553A5 publication Critical patent/JP2023072553A5/ja
Priority to JP2025203605A priority patent/JP2026026173A/ja
Application granted granted Critical
Publication of JP7808458B2 publication Critical patent/JP7808458B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26Inflatable 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
    • B60R21/264Inflatable 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/10Filter screens essentially made of metal
    • B01D39/12Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/20Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027Metallic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • B01D46/0005Mounting of filtering elements within casings, housings or frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26Inflatable 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
    • B60R21/264Inflatable 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
    • B60R21/2644Inflatable 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/069Special geometry of layers
    • B01D2239/0695Wound layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2279/00Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/10Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air bags, e.g. inflators therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26Inflatable 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
    • B60R2021/26011Inflatable 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geometry (AREA)
  • Air Bags (AREA)
JP2021185185A 2021-11-12 2021-11-12 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法 Active JP7808458B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2021185185A JP7808458B2 (ja) 2021-11-12 2021-11-12 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法
PCT/JP2022/024335 WO2023084826A1 (ja) 2021-11-12 2022-06-17 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法
EP22892329.8A EP4431346A4 (en) 2021-11-12 2022-06-17 FILTER ASSEMBLY FOR GAS GENERATOR, GAS GENERATOR AND METHOD FOR MANUFACTURING GAS GENERATOR
CN202280071869.8A CN118159452A (zh) 2021-11-12 2022-06-17 气体发生器用过滤器单元、气体发生器以及气体发生器的制造方法
US18/660,252 US12286073B2 (en) 2021-11-12 2024-05-10 Filter unit for gas generator, gas generator, and method for manufacturing gas generator
JP2025203605A JP2026026173A (ja) 2021-11-12 2025-11-26 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021185185A JP7808458B2 (ja) 2021-11-12 2021-11-12 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025203605A Division JP2026026173A (ja) 2021-11-12 2025-11-26 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法

Publications (3)

Publication Number Publication Date
JP2023072553A JP2023072553A (ja) 2023-05-24
JP2023072553A5 JP2023072553A5 (https=) 2024-11-05
JP7808458B2 true JP7808458B2 (ja) 2026-01-29

Family

ID=86335470

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021185185A Active JP7808458B2 (ja) 2021-11-12 2021-11-12 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法
JP2025203605A Pending JP2026026173A (ja) 2021-11-12 2025-11-26 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025203605A Pending JP2026026173A (ja) 2021-11-12 2025-11-26 ガス発生器用フィルタユニット、ガス発生器、及びガス発生器の製造方法

Country Status (5)

Country Link
US (1) US12286073B2 (https=)
EP (1) EP4431346A4 (https=)
JP (2) JP7808458B2 (https=)
CN (1) CN118159452A (https=)
WO (1) WO2023084826A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002046569A (ja) 1999-02-16 2002-02-12 Daicel Chem Ind Ltd 多段式エアバッグ用ガス発生器及びエアバッグ装置
JP2009286217A (ja) 2008-05-28 2009-12-10 Nippon Kayaku Co Ltd ガス発生器
JP2012076608A (ja) 2010-10-01 2012-04-19 Daicel Corp ガス発生器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417347C2 (de) * 1994-05-18 1997-04-10 Temic Bayern Chem Airbag Gmbh Filtereinrichtung für Gasgeneratoren
JPH10315900A (ja) * 1997-05-15 1998-12-02 Daicel Chem Ind Ltd エアバッグ用ガス発生器及びエアバッグ装置
JP2001163171A (ja) * 1999-12-10 2001-06-19 Nippon Kayaku Co Ltd ガス発生器
US6908104B2 (en) 2003-08-27 2005-06-21 Key Safety Systems, Inc. Pyrotechnic side impact inflator
CN101835166B (zh) * 2009-03-09 2012-12-12 上海贝尔股份有限公司 信道分配优化方法及信道分配优化设备
JP5770978B2 (ja) * 2010-04-19 2015-08-26 株式会社ダイセル ガス発生器
JP6619293B2 (ja) * 2016-05-23 2019-12-11 株式会社ダイセル ガス発生器
JP6934372B2 (ja) * 2017-09-05 2021-09-15 株式会社ダイセル ガス発生器
JP7553375B2 (ja) * 2021-02-04 2024-09-18 株式会社ダイセル 点火器組立体、及びガス発生器
US20240239723A1 (en) * 2021-05-21 2024-07-18 Daicel Corporation Gas generator and gas discharge method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002046569A (ja) 1999-02-16 2002-02-12 Daicel Chem Ind Ltd 多段式エアバッグ用ガス発生器及びエアバッグ装置
JP2009286217A (ja) 2008-05-28 2009-12-10 Nippon Kayaku Co Ltd ガス発生器
JP2012076608A (ja) 2010-10-01 2012-04-19 Daicel Corp ガス発生器

Also Published As

Publication number Publication date
JP2023072553A (ja) 2023-05-24
US20240286575A1 (en) 2024-08-29
EP4431346A1 (en) 2024-09-18
EP4431346A4 (en) 2025-09-03
JP2026026173A (ja) 2026-02-16
CN118159452A (zh) 2024-06-07
WO2023084826A1 (ja) 2023-05-19
US12286073B2 (en) 2025-04-29

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