JP7781168B2 - ガス発生器 - Google Patents

ガス発生器

Info

Publication number
JP7781168B2
JP7781168B2 JP2023549445A JP2023549445A JP7781168B2 JP 7781168 B2 JP7781168 B2 JP 7781168B2 JP 2023549445 A JP2023549445 A JP 2023549445A JP 2023549445 A JP2023549445 A JP 2023549445A JP 7781168 B2 JP7781168 B2 JP 7781168B2
Authority
JP
Japan
Prior art keywords
igniter
elastic member
gas
gas generator
generating agent
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
JP2023549445A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023047915A1 (https=
JPWO2023047915A5 (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
Publication of JPWO2023047915A1 publication Critical patent/JPWO2023047915A1/ja
Publication of JPWO2023047915A5 publication Critical patent/JPWO2023047915A5/ja
Application granted granted Critical
Publication of JP7781168B2 publication Critical patent/JP7781168B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B60R21/264—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
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
    • B60R21/2171—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together specially adapted for elongated cylindrical or bottle-like inflators with a symmetry axis perpendicular to the main direction of bag deployment, e.g. extruded reaction canisters
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • 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
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
    • B60R2021/2177—Reaction canisters characterised by material
    • 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
    • B60R2021/26029—Ignitors
    • 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
    • B60R2021/2648—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 comprising a plurality of combustion chambers or sub-chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
JP2023549445A 2021-09-22 2022-09-01 ガス発生器 Active JP7781168B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021154424 2021-09-22
JP2021154424 2021-09-22
PCT/JP2022/033023 WO2023047915A1 (ja) 2021-09-22 2022-09-01 ガス発生器

Publications (3)

Publication Number Publication Date
JPWO2023047915A1 JPWO2023047915A1 (https=) 2023-03-30
JPWO2023047915A5 JPWO2023047915A5 (https=) 2025-08-01
JP7781168B2 true JP7781168B2 (ja) 2025-12-05

Family

ID=85720547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023549445A Active JP7781168B2 (ja) 2021-09-22 2022-09-01 ガス発生器

Country Status (5)

Country Link
US (1) US12496996B2 (https=)
EP (1) EP4406788A4 (https=)
JP (1) JP7781168B2 (https=)
CN (1) CN117980194A (https=)
WO (1) WO2023047915A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022196228A1 (ja) * 2021-03-19 2022-09-22 日本化薬株式会社 ガス発生器
DE112023002560T5 (de) * 2022-06-06 2025-04-17 Daicel Corporation Gasgenerator
JP7765363B2 (ja) * 2022-08-26 2025-11-06 日本化薬株式会社 ガス発生器
DE102022124029A1 (de) 2022-09-20 2024-03-21 Zf Airbag Germany Gmbh Gasgenerator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160167618A1 (en) 2014-12-10 2016-06-16 Michael P. Jordan Initiator assemblies
JP2017007456A (ja) 2015-06-19 2017-01-12 日本化薬株式会社 ガス発生器
US20190047508A1 (en) 2015-10-02 2019-02-14 Trw Airbag Systems Gmbh Gas generator, in particular for a vehicle occupant protection system, spring for arranging in a gas generator, airbag module, and vehicle occupant protection system
JP2019214359A (ja) 2018-05-18 2019-12-19 ティーアールダブリュー・エアバッグ・システムズ・ゲーエムベーハー 管状インフレータのための推進剤ケージ、管状インフレータのためのパッキン要素、エアバッグモジュールのための管状インフレータ、エアバッグモジュール、自動車安全システム、管状インフレータの動作および製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4864234B2 (ja) 2000-06-22 2012-02-01 株式会社ダイセル エアバッグ用ガス発生器
DE112017002069B4 (de) * 2016-04-18 2023-05-25 Nippon Kayaku Kabushiki Kaisha Gasgenerator mit Selbstentzündungsmittel
JP7436297B2 (ja) * 2020-06-15 2024-02-21 日本化薬株式会社 ガス発生器
WO2022196228A1 (ja) * 2021-03-19 2022-09-22 日本化薬株式会社 ガス発生器
US12403860B2 (en) * 2021-12-14 2025-09-02 Nippon Kayaku Kabushiki Kaisha Gas generator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160167618A1 (en) 2014-12-10 2016-06-16 Michael P. Jordan Initiator assemblies
JP2017007456A (ja) 2015-06-19 2017-01-12 日本化薬株式会社 ガス発生器
US20190047508A1 (en) 2015-10-02 2019-02-14 Trw Airbag Systems Gmbh Gas generator, in particular for a vehicle occupant protection system, spring for arranging in a gas generator, airbag module, and vehicle occupant protection system
JP2019214359A (ja) 2018-05-18 2019-12-19 ティーアールダブリュー・エアバッグ・システムズ・ゲーエムベーハー 管状インフレータのための推進剤ケージ、管状インフレータのためのパッキン要素、エアバッグモジュールのための管状インフレータ、エアバッグモジュール、自動車安全システム、管状インフレータの動作および製造方法

Also Published As

Publication number Publication date
WO2023047915A1 (ja) 2023-03-30
CN117980194A (zh) 2024-05-03
JPWO2023047915A1 (https=) 2023-03-30
US12496996B2 (en) 2025-12-16
US20240217474A1 (en) 2024-07-04
EP4406788A1 (en) 2024-07-31
EP4406788A4 (en) 2025-09-03

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