JP7805859B2 - ガス発生器 - Google Patents

ガス発生器

Info

Publication number
JP7805859B2
JP7805859B2 JP2022080031A JP2022080031A JP7805859B2 JP 7805859 B2 JP7805859 B2 JP 7805859B2 JP 2022080031 A JP2022080031 A JP 2022080031A JP 2022080031 A JP2022080031 A JP 2022080031A JP 7805859 B2 JP7805859 B2 JP 7805859B2
Authority
JP
Japan
Prior art keywords
discharge hole
housing
blocking member
discharge
sealing tape
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
JP2022080031A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023168745A (ja
JP2023168745A5 (enExample
Inventor
賢一 米澤
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 JP2022080031A priority Critical patent/JP7805859B2/ja
Priority to PCT/JP2023/017013 priority patent/WO2023223824A1/ja
Publication of JP2023168745A publication Critical patent/JP2023168745A/ja
Priority to US18/949,824 priority patent/US20250076008A1/en
Publication of JP2023168745A5 publication Critical patent/JP2023168745A5/ja
Application granted granted Critical
Publication of JP7805859B2 publication Critical patent/JP7805859B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J7/00—Apparatus for generating gases
    • 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
    • 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
    • B60R21/263—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 variable source, e.g. plural stage or controlled output
    • 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
    • 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
    • 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
    • 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
    • B60R2021/26076—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 characterised by casing
    • 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
    • B60R2021/2642—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 comprising a plurality of combustion chambers or sub-chambers
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Bags (AREA)
JP2022080031A 2022-05-16 2022-05-16 ガス発生器 Active JP7805859B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022080031A JP7805859B2 (ja) 2022-05-16 2022-05-16 ガス発生器
PCT/JP2023/017013 WO2023223824A1 (ja) 2022-05-16 2023-05-01 ガス発生器
US18/949,824 US20250076008A1 (en) 2022-05-16 2024-11-15 Gas generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022080031A JP7805859B2 (ja) 2022-05-16 2022-05-16 ガス発生器

Publications (3)

Publication Number Publication Date
JP2023168745A JP2023168745A (ja) 2023-11-29
JP2023168745A5 JP2023168745A5 (enExample) 2025-05-14
JP7805859B2 true JP7805859B2 (ja) 2026-01-26

Family

ID=88835100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022080031A Active JP7805859B2 (ja) 2022-05-16 2022-05-16 ガス発生器

Country Status (3)

Country Link
US (1) US20250076008A1 (enExample)
JP (1) JP7805859B2 (enExample)
WO (1) WO2023223824A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7641169B2 (ja) * 2021-04-30 2025-03-06 株式会社ダイセル ガス発生器
JP7795979B2 (ja) * 2022-06-28 2026-01-08 株式会社ダイセル ガス発生器及びガス発生器の製造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000335361A (ja) 1998-11-30 2000-12-05 Daicel Chem Ind Ltd エアバッグ用ガス発生器及びエアバッグ装置
JP2003034219A (ja) 2001-07-19 2003-02-04 Daicel Chem Ind Ltd エアバッグ用ガス発生器及びエアバッグ装置
JP2004359031A (ja) 2003-06-03 2004-12-24 Daicel Chem Ind Ltd 多段着火式ガス発生器
JP2012171362A (ja) 2011-02-17 2012-09-10 Daicel Corp ガス発生器用シールテープ
JP2017081236A (ja) 2015-10-23 2017-05-18 日本化薬株式会社 ガス発生器
JP2021146927A (ja) 2020-03-19 2021-09-27 株式会社ダイセル ガス発生器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6412815B1 (en) * 1998-09-28 2002-07-02 Daicel Chemical Industries, Ltd. Gas generator for air bag and air bag device
US6948737B2 (en) * 2001-12-26 2005-09-27 Daicel Chemical Industries, Ltd. Gas generator for air bag
JP7671587B2 (ja) * 2021-01-22 2025-05-02 日本化薬株式会社 ガス発生器
JP7702305B2 (ja) * 2021-08-23 2025-07-03 株式会社ダイセル エアバッグ装置及びガス発生装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000335361A (ja) 1998-11-30 2000-12-05 Daicel Chem Ind Ltd エアバッグ用ガス発生器及びエアバッグ装置
JP2003034219A (ja) 2001-07-19 2003-02-04 Daicel Chem Ind Ltd エアバッグ用ガス発生器及びエアバッグ装置
JP2004359031A (ja) 2003-06-03 2004-12-24 Daicel Chem Ind Ltd 多段着火式ガス発生器
JP2012171362A (ja) 2011-02-17 2012-09-10 Daicel Corp ガス発生器用シールテープ
JP2017081236A (ja) 2015-10-23 2017-05-18 日本化薬株式会社 ガス発生器
JP2021146927A (ja) 2020-03-19 2021-09-27 株式会社ダイセル ガス発生器

Also Published As

Publication number Publication date
WO2023223824A1 (ja) 2023-11-23
US20250076008A1 (en) 2025-03-06
JP2023168745A (ja) 2023-11-29

Similar Documents

Publication Publication Date Title
JP7805859B2 (ja) ガス発生器
EP2349794B1 (en) Gas generator for inflating a gas bag of a vehicle occupant restraint system and method of inflating a gas bag
EP2209672B1 (en) Dual stage cylindrical inflator with outside to inside axial flow
US20070170708A1 (en) Gas generator for air bag and air bag apparatus
KR102309123B1 (ko) 가스 발생기
JP2018001782A (ja) ガス発生器
US6899351B2 (en) Gas generator
JP2017197170A (ja) ハイブリッドインフレータ、かかるハイブリッドインフレータを備えるエアバッグユニット及び車両の安全システム、並びに衝撃波を形成する方法
JP2007015675A (ja) エアバッグ用ガス発生器
JP2005238948A (ja) 破裂部材
JP7315410B2 (ja) ガス発生器
JP4819481B2 (ja) エアバッグ用ガス発生器
JP4348206B2 (ja) ガス発生器
WO2024005079A1 (ja) ガス発生器及びガス発生器のガス排出方法
JP2008517245A (ja) 脆弱領域を含む起爆装置
JP2000168487A (ja) インフレ―タ
JP7745448B2 (ja) ガス発生器及びエアバッグ装置
JP7795979B2 (ja) ガス発生器及びガス発生器の製造方法
JP7374040B2 (ja) ガス発生器
JP5795237B2 (ja) 人員拘束装置用ガス発生器
JP2001239914A (ja) エアバッグ用インフレータ
JP2002362299A (ja) ガス発生器
JP2007118788A (ja) エアバッグ用ガス発生器
JP2025005559A (ja) ガス発生器及びガス発生器のガス排出方法
JP4612232B2 (ja) ガス発生器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250502

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250502

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20251007

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251208

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20260106

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260114

R150 Certificate of patent or registration of utility model

Ref document number: 7805859

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150