JP2024058412A - エアバッグ装置及び乗員保護装置 - Google Patents
エアバッグ装置及び乗員保護装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
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- B60—VEHICLES IN GENERAL
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- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
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- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- 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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
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- 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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2338—Tethers
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- B60—VEHICLES IN GENERAL
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- 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
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- 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
- B60R2021/0002—Type of accident
- B60R2021/0004—Frontal collision
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- 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
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
- B60R2021/006—Type of passenger
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- 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
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
- B60R2021/2076—Removable covers with tear seams
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- 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
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
- B60R2021/2078—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats in rear seats
-
- 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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
- B60R2021/23146—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection seat mounted
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- 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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23308—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other the individual compartments defining the external shape of the bag
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- 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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23324—Inner walls crating separate compartments, e.g. communicating with vents
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- 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
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
- B60R21/2338—Tethers
- B60R2021/23386—External tether means
- B60R2021/23388—External tether means having ends which are movable or detachable during deployment
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- 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
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- 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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
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Abstract
【解決手段】車両の衝突時にインフレータで発生したガスが供給され、車両用シート12の後方側から上方側を通って前方側へ膨張展開するエアバッグ32を備えたエアバッグ装置30であって、膨張展開状態のエアバッグ32は、乗員Dの頭部Hの左右両側を通って前後方向に延在する一対の前後チャンバ34と、一対の前後チャンバ34と連通され、一対の前後チャンバ34の間で乗員Dの前方側に配置され、乗員Dの拘束時に一対の前後チャンバ34に支持された状態で圧縮変形されるエアバッグ本体40とを有し、乗員Dの拘束後半時に、少なくとも乗員Dの頭部Hが前後チャンバ34とエアバッグ本体40との隙間に入り込むのを抑制するように構成する。
【選択図】図1
Description
まず、第1実施形態について説明する。図1に示されるように、第1実施形態に係る乗員保護装置10は、車両用シート12と、エアバッグ装置30と、によって構成されている。車両用シート12は、車両(自動車)のフロントシート又はリヤシートである。ここでは、フロントシート13(図5~図7参照)ではなく、リヤシートを車両用シート12とする。この車両用シート12は、シートクッション14と、シートクッション14の後端部に回動可能に設けられたシートバック16と、シートバック16の上端部に昇降可能に設けられたヘッドレスト18と、を有している。
次に、第2実施形態について説明する。なお、上記第1実施形態と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は適宜省略する。
次に、第3実施形態について説明する。なお、上記第1実施形態及び第2実施形態と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は適宜省略する。
次に、第4実施形態について説明する。なお、上記第1実施形態~第3実施形態と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は適宜省略する。
最後に、第5実施形態について説明する。なお、上記第1実施形態~第4実施形態と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は適宜省略する。
12 車両用シート
30 エアバッグ装置
32 エアバッグ
34 前後チャンバ
40 エアバッグ本体
44 インフレータ
48 連通孔
56 前上テザー(上部テザー/上膨張部)
56A 上連通孔
58 前下テザー(下部テザー/下膨張部)
58A 下連通孔
60 膨出部
62 誘導布
64 凹部
Claims (10)
- 車両の衝突時にガスを発生するインフレータと、
前記インフレータで発生したガスが供給され、車両用シートのシート後方側からシート上方側を通ってシート前方側へ膨張展開するエアバッグと、
を備え、
膨張展開状態の前記エアバッグは、
前記車両用シートに着座した乗員の頭部の左右両側を通ってシート前後方向に延在する一対の前後チャンバと、
前記一対の前後チャンバと連通され、前記一対の前後チャンバの間で前記乗員のシート前方側に配置され、前記乗員の拘束時に前記一対の前後チャンバに支持された状態で圧縮変形されるエアバッグ本体と、
を有し、
前記乗員の拘束後半時に、少なくとも前記乗員の頭部が前記前後チャンバと前記エアバッグ本体との隙間に入り込むのを抑制するように構成されたエアバッグ装置。 - 前記エアバッグは、
前記前後チャンバと前記エアバッグ本体の上部とを連結する左右一対の上部テザーと、
前記前後チャンバと前記エアバッグ本体の下部とを連結する左右一対の下部テザーと、
を有し、
少なくとも前記下部テザーが、前記隙間を覆う左右対称形状となる略三角形状とされた面テザーとされている請求項1に記載のエアバッグ装置。 - 前記エアバッグは、
前記前後チャンバと前記エアバッグ本体の下部との隙間を埋める左右一対の下膨張部を有する請求項1に記載のエアバッグ装置。 - 前記エアバッグは、
前記前後チャンバと前記エアバッグ本体の上部との隙間を埋める左右一対の上膨張部を有する請求項3に記載のエアバッグ装置。 - 前記下膨張部は、前記前後チャンバから下連通孔を介して前記ガスが供給される構成とされるとともに、前記下連通孔の開口面積が、前記前後チャンバから前記エアバッグ本体へ前記ガスを供給するための連通孔の開口面積よりも小さく設定されている請求項3に記載のエアバッグ装置。
- 前記上膨張部は、前記前後チャンバから上連通孔を介して前記ガスが供給される構成とされるとともに、前記上連通孔の開口面積が、前記前後チャンバから前記エアバッグ本体へ前記ガスを供給するための連通孔の開口面積よりも小さく設定されている請求項4に記載のエアバッグ装置。
- 前記前後チャンバのシート幅方向に対向する内側面に、前記エアバッグ本体との隙間を埋める凸形状の膨出部が形成されている請求項1に記載のエアバッグ装置。
- 前記エアバッグは、
前記前後チャンバのシート幅方向に対向する内側面にそれぞれ一端部が縫製され、前記エアバッグ本体にそれぞれ他端部が縫製されて、前記隙間を覆う一対の誘導布を有する請求項1に記載のエアバッグ装置。 - 前記エアバッグ本体のシート後方側の壁面におけるシート幅方向中央部に、平面視で凹部が形成されている請求項1に記載のエアバッグ装置。
- 乗員が着座する車両用シートと、
前記車両用シートにおけるシート後方側の部位に搭載された請求項1~請求項9の何れか1項に記載のエアバッグ装置と、
を備えた乗員保護装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022165756A JP2024058412A (ja) | 2022-10-14 | 2022-10-14 | エアバッグ装置及び乗員保護装置 |
DE102023122600.2A DE102023122600A1 (de) | 2022-10-14 | 2023-08-23 | Airbagvorrichtung und Insassenschutzvorrichtung |
US18/367,639 US12187217B2 (en) | 2022-10-14 | 2023-09-13 | Airbag device and passenger protection device |
CN202311190732.7A CN117885676A (zh) | 2022-10-14 | 2023-09-14 | 安全气囊装置以及乘员保护装置 |
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JP2022165756A JP2024058412A (ja) | 2022-10-14 | 2022-10-14 | エアバッグ装置及び乗員保護装置 |
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JP (1) | JP2024058412A (ja) |
CN (1) | CN117885676A (ja) |
DE (1) | DE102023122600A1 (ja) |
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JP7694529B2 (ja) * | 2022-10-14 | 2025-06-18 | トヨタ自動車株式会社 | エアバッグ装置及び乗員保護装置 |
JP7677304B2 (ja) | 2022-10-14 | 2025-05-15 | トヨタ自動車株式会社 | エアバッグ装置及び乗員保護装置 |
JP2024058404A (ja) * | 2022-10-14 | 2024-04-25 | トヨタ自動車株式会社 | エアバッグ装置及び乗員保護装置 |
JP7708061B2 (ja) * | 2022-10-14 | 2025-07-15 | トヨタ自動車株式会社 | エアバッグ装置及び乗員保護装置 |
JP2025027389A (ja) * | 2023-08-14 | 2025-02-27 | トヨタ自動車株式会社 | エアバッグ装置及び乗員保護装置 |
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US12187217B2 (en) | 2025-01-07 |
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