JP2023501461A - 自動車安全デバイスのためのアクチュエータデバイス及びアセンブリ - Google Patents
自動車安全デバイスのためのアクチュエータデバイス及びアセンブリ Download PDFInfo
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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
- B60R21/017—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including arrangements for providing electric power to safety arrangements or their actuating means, e.g. to pyrotechnic fuses or electro-mechanic valves
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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
-
- 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
-
- 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
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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
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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
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01211—Expansion of air bags
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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
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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
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- 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
- 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
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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
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
- Air Bags (AREA)
Abstract
Description
図1では、エアバッグアセンブリ100は、フロントエアバッグ110を提供する。フロントエアバッグは、典型的には、車両のステアリングホイール内及び/又は計器盤内に設置されている。設置中、エアバッグ110は、巻かれてもよく、折り畳まれてもよく、又は両方でもよく、カバーの後ろで巻かれた/折り畳まれた状態に保持されてもよい。衝突事象中、車両センサはインフレータの作動をトリガし、インフレータはエアバッグを膨張ガスで急速に充填する。よって、エアバッグは、巻かれた/折り畳まれた構成から拡張された構成へ構成を急速に変化させる。エアバッグ110の展開された構成は、テザー120などの1つ以上の内部テザー又は外部テザーによって部分的に決定され得る。テザー120は、エアバッグ110の幅、深さ、及び/又は高さを制限又は限定し得る。更に、テザー120は、エアバッグ110が2つ以上の展開された構成を採用することができるように解放可能であるように構成され得る。説明するように、本開示によるアクチュエータは、テザー120の解放を開始するために使用され得る。他の実施形態では、本開示によるアクチュエータは、テザー120の切り離し(例えば切断)を開始するために使用され得る。
Claims (15)
- 第1の端部(204)及び第2の端部(206)を備える管状ハウジング(202)であって、ガスを生成するための火工材料(230)を収容する貯蔵チャンバ(220)を画定する管状ハウジング(202)と、
前記第1の端部(204)に結合された少なくとも1つの電気接続部(207)であって、反応して前記火工材料(230)との連通を開始する電気接続部(207)と
を備えるアクチュエータデバイス(200)デバイス、
前記管状ハウジング(202)の前記貯蔵チャンバ(220)内に配置された冷却剤(240)
を備えるアクチュエータアセンブリ(150)であって、
前記管状ハウジング(202)の前記第2の端部(206)が、前記火工材料(230)の作動前、凹面(212)を備え、前記火工材料(230)の前記作動中、前記第2の端部(206)が、前記凹面(212)から凸面(214)へ遷移し、前記管状ハウジング(202)が、前記作動中、その完全性を維持することを特徴とするアクチュエータアセンブリ(150)。 - 前記冷却剤(240)が、水酸化アルミニウムである、請求項1に記載のアクチュエータアセンブリ(150)。
- 前記冷却剤(240)が、前記凹面(212)の湾曲点(213)において配置されている、請求項1又は2に記載のアクチュエータアセンブリ(150)。
- 前記ガスが、前記火工材料の作動後、前記貯蔵チャンバ内に収容されている、請求項1~3のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記凹面から前記凸面の間の前記遷移が、0.4ミリ秒未満内で起こる、請求項1~4のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記凹面から前記凸面の間の前記遷移が、少なくとも1000ニュートンの力を生じさせる、請求項1~5のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記アクチュエータアセンブリ(150)が、前記アクチュエータ(200)を収納するように構成されたアセンブリハウジング(300)を更に備え、前記アセンブリハウジング(300)が、反作用面(340)を備え、前記管状ハウジング(202)の前記第2の端部(206)が、前記火工材料(230)の作動中、前記反作用面(340)に衝突する、請求項1~6のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記凹面(212)から前記凸面(214)の間の前記遷移中、前記第2の端部(206)が、前記アセンブリハウジング(300)の前記反作用面(340)に衝突して、前記アクチュエータ(200)を前記アセンブリハウジング(300)内で前記反作用面(340)から離れるように変位させる、請求項1~7のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記アクチュエータ(200)を部分的に包囲するアクチュエータハウジング(250)を更に備える、請求項1~8のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記アクチュエータハウジング(250)が、前記アセンブリハウジング(300)の内面(320)に対応する外側六角形形状部分(256)を備える、請求項9に記載のアクチュエータアセンブリ(150)。
- 前記外側六角形形状部分(256)が、前記六角形形状部分(256)に沿って長手方向に離間する複数のリブ(258)を備え、前記リブ(258)のそれぞれが、前記アクチュエータハウジング(250)の周囲を包囲して、前記アセンブリハウジング(300)の前記内面(320)と係合して、前記アセンブリハウジング(300)に対する前記アクチュエータハウジング(250)の長手方向の移動を制限する、請求項10に記載のアクチュエータアセンブリ(150)。
- 前記管状ハウジング(202)に巻き付けられており、前記火工材料(230)の作動後、前記管状ハウジング(202)から解放されるテザー(120)を更に備える、請求項1~11のいずれか一項に記載のアクチュエータアセンブリ(150)。
- 前記アクチュエータ(200)が、前記反作用面(340)から離れるように変位したとき、前記テザー(120)が、前記管状ハウジング(202)から解放される、請求項12に記載のアクチュエータアセンブリ(150)。
- 前記アセンブリハウジング(300)が、開口部(360)を備え、前記開口部(360)が、前記テザー(120)が前記開口部(360)を通って前記アセンブリハウジング(300)内に入り、前記管状ハウジング(202)に巻き付き、前記開口部(360)を通って前記アセンブリハウジング(300)から出ることを可能にする、請求項12又は13に記載のアクチュエータアセンブリ(150)。
- 前記テザー(120)が、前記火工材料(230)の作動前、張力下にある、請求項12~14のいずれか一項に記載のアクチュエータアセンブリ(150)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/705,026 | 2019-12-05 | ||
US16/705,026 US11912221B2 (en) | 2019-12-05 | 2019-12-05 | Actuator devices and assemblies for automotive safety devices |
PCT/US2020/061075 WO2021113077A1 (en) | 2019-12-05 | 2020-11-18 | Actuator device and assembly for automotive safety devices |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023501461A true JP2023501461A (ja) | 2023-01-18 |
JP7300065B2 JP7300065B2 (ja) | 2023-06-28 |
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JP2022526513A Active JP7300065B2 (ja) | 2019-12-05 | 2020-11-18 | 自動車安全デバイスのためのアクチュエータデバイス及びアセンブリ |
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EP (1) | EP4069555B1 (ja) |
JP (1) | JP7300065B2 (ja) |
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US11613227B2 (en) * | 2021-07-15 | 2023-03-28 | ZF Passive Safety Systems US Inc. | Tether actuation unit for airbag module |
US20230415694A1 (en) * | 2022-06-28 | 2023-12-28 | Autoliv Asp, Inc. | Conductive actuator housings and related airbag assemblies |
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2020
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- 2020-11-18 WO PCT/US2020/061075 patent/WO2021113077A1/en unknown
- 2020-11-18 KR KR1020227022216A patent/KR20220107263A/ko not_active Application Discontinuation
- 2020-11-18 JP JP2022526513A patent/JP7300065B2/ja active Active
- 2020-11-18 EP EP20824789.0A patent/EP4069555B1/en active Active
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Also Published As
Publication number | Publication date |
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CN114650934A (zh) | 2022-06-21 |
EP4069555A1 (en) | 2022-10-12 |
EP4069555B1 (en) | 2024-01-31 |
US11912221B2 (en) | 2024-02-27 |
JP7300065B2 (ja) | 2023-06-28 |
CN114650934B (zh) | 2024-04-02 |
US20210170970A1 (en) | 2021-06-10 |
WO2021113077A1 (en) | 2021-06-10 |
KR20220107263A (ko) | 2022-08-02 |
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