JP4303692B2 - 衝撃エネルギー吸収体 - Google Patents
衝撃エネルギー吸収体 Download PDFInfo
- Publication number
- JP4303692B2 JP4303692B2 JP2005070309A JP2005070309A JP4303692B2 JP 4303692 B2 JP4303692 B2 JP 4303692B2 JP 2005070309 A JP2005070309 A JP 2005070309A JP 2005070309 A JP2005070309 A JP 2005070309A JP 4303692 B2 JP4303692 B2 JP 4303692B2
- Authority
- JP
- Japan
- Prior art keywords
- impact energy
- closed
- foam
- energy absorber
- filled
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/22—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly cellular material, e.g. solid foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
- B60R2019/184—Blow moulded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
- B60R2019/1873—Cellular materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Description
Claims (9)
- 熱可塑性プラスチック材のブロー成形品からなる中空本体と該中空本体の内部を満たした発泡体充填物とを備えてなる自動車用緩衝部材としての衝撃エネルギー吸収体であって、前記中空本体が複数の閉鎖チャンバー(4a,4b,4c,4d)からなる分画区画を形成し、これら閉鎖チャンバーの内部が前記発泡体充填物で満たされ、少なくとも一部の閉鎖チャンバー内の発泡体充填物が他の閉鎖チャンバー内の発泡体充填物に対して異なる衝撃エネルギー吸収能を有しているものにおいて、
各閉鎖チャンバーがそれぞれ別々の管状プレフォームからブロー成形された個別の壁で囲まれている独立閉鎖空間を形成し、これら独立閉鎖空間がそれぞれ発泡体樹脂で満たされた状態で一体構造の分画区画断面を形成して、互いに隣接する閉鎖チャンバーの個々の壁同士が重なって分画区画間の二重隔壁を形成しており、前記複数の閉鎖チャンバーのうち、自動車側の支持構造に取り付けられるべき固定要素を有する閉鎖チャンバー(4d)が吸収体全長に亘って延在する堅固な支持体(5)を構成し、該支持体(5)を構成する閉鎖チャンバー(4d)の前面にそれぞれ吸収体長手方向のほぼ全長に亘り並行して延在する複数段の別の閉鎖チャンバー(4a,4b,4c)が形成され、これら複数段の閉鎖チャンバーが互いに衝撃エネルギー吸収能の異なる複数段の緩衝領域を形成して吸収体取付姿勢における上下方向に並行配置され、これら上下方向に並行配置された複数段の緩衝領域の強度が下方に位置するものほど増加されていることを特徴とする衝撃エネルギー吸収体。 - 少なくとも2つの閉鎖チャンバー(4a,4b,4c,4d)が互いに密度の異なる発泡体充填物で満たされていることを特徴とする請求項1に記載の衝撃エネルギー吸収体。
- 発泡体充填物が粒子状又は微小ビーズ状発泡樹脂からなることを特徴とする請求項1又は2に記載の衝撃エネルギー吸収体。
- 中空本体が壁厚の異なる複数の領域を備えていることを特徴とする請求項1〜3のいずれか1項に記載の衝撃エネルギー吸収体。
- 前記支持体(5)の前面に形成された複数段の閉鎖チャンバー(4a,4b,4c)の壁厚が前記支持体(5)を構成する閉鎖チャンバー(4d)の壁厚より薄いことを特徴とする請求項4に記載の衝撃エネルギー吸収体。
- 中空本体とその発泡体充填物が同じ樹脂種類のプラスチック材からなることを特徴とする請求項1〜5のいずれか1項に記載の衝撃エネルギー吸収体。
- 発泡体充填物の密度が30〜200kg/m3の範囲内であることを特徴とする請求項1〜6のいずれか1項に記載の衝撃エネルギー吸収体。
- 複数段の別の閉鎖チャンバー(4a,4b,4c)が互いに衝撃エネルギー吸収能の異なる上下3段の緩衝領域を形成し、最下段の緩衝領域を形成する閉鎖チャンバー(4a)が密度50〜80kg/m3の発泡体充填物で満たされ、中段の緩衝領域を形成する閉鎖チャンバー(4b)が密度40〜60kg/m3の発泡体充填物で満たされ、最上段の緩衝領域を形成する閉鎖チャンバー(4c)が密度30〜50kg/m3の発泡体充填物で満たされ、支持体(5)を構成する閉鎖チャンバー(4d)が密度80〜200kg/m3の発泡体充填物で満たされていることを特徴とする請求項1〜7のいずれか1項に記載の衝撃エネルギー吸収体。
- 発泡体充填物が粒子状発泡ポリプロピレン(EPP)からなることを特徴とする請求項1〜8のいずれか1項に記載の衝撃エネルギー吸収体。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004013370A DE102004013370B4 (de) | 2004-03-17 | 2004-03-17 | Energieabsorbierendes Bauteil |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005263207A JP2005263207A (ja) | 2005-09-29 |
JP4303692B2 true JP4303692B2 (ja) | 2009-07-29 |
Family
ID=34833181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005070309A Expired - Fee Related JP4303692B2 (ja) | 2004-03-17 | 2005-03-14 | 衝撃エネルギー吸収体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7044514B2 (ja) |
EP (1) | EP1577168A3 (ja) |
JP (1) | JP4303692B2 (ja) |
DE (1) | DE102004013370B4 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7827106B2 (en) | 2001-07-10 | 2010-11-02 | American Express Travel Related Services Company, Inc. | System and method for manufacturing a punch-out RFID transaction device |
US7837118B2 (en) | 1999-09-07 | 2010-11-23 | American Express Travel Related Services Company, Inc. | Infrared blocking article |
US7837116B2 (en) | 1999-09-07 | 2010-11-23 | American Express Travel Related Services Company, Inc. | Transaction card |
US8066190B2 (en) | 1999-09-07 | 2011-11-29 | American Express Travel Related Services Company, Inc. | Transaction card |
JP2014519585A (ja) * | 2011-06-10 | 2014-08-14 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン | 広い温度範囲にわたって効果的な振動減衰 |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080001416A1 (en) * | 2006-06-30 | 2008-01-03 | Tansen Dhananjay Chaudhari | Energy absorbing bumper assemblies and methods for absorbing kinetic energy during an impact event |
US20080048462A1 (en) * | 2006-08-02 | 2008-02-28 | Meridian Automotive System, Inc. | Thermoplastic composite bumper system |
JP5149509B2 (ja) * | 2007-01-15 | 2013-02-20 | トヨタ自動車株式会社 | 車両のバンパ構造 |
US7533912B2 (en) * | 2007-06-12 | 2009-05-19 | Ford Global Technologies, Llc | Hybrid energy absorber for automobile bumper |
JP4816661B2 (ja) * | 2008-03-04 | 2011-11-16 | 株式会社デンソー | 車両用衝突検知装置 |
EP2098414B1 (de) | 2008-03-05 | 2010-09-22 | Peguform GmbH | Energieabsorbierende Stoßfängeranordnung |
JP2009220787A (ja) * | 2008-03-18 | 2009-10-01 | Denso Corp | 衝突検知装置 |
JP4816665B2 (ja) | 2008-03-18 | 2011-11-16 | 株式会社デンソー | 車両用衝突検知装置 |
US7866716B2 (en) | 2008-04-08 | 2011-01-11 | Flex-N-Gate Corporation | Energy absorber for vehicle |
US8113554B2 (en) * | 2008-10-30 | 2012-02-14 | Shoap Stephen D | Method and apparatus for an attachable and removable crumple zone |
DE102008063538A1 (de) | 2008-12-18 | 2010-06-24 | Peguform Gmbh | Stoßfängeranordnung mit Spritzgussabsorber |
DE102009015182B4 (de) * | 2009-03-31 | 2014-05-28 | Benteler Automobiltechnik Gmbh | Stoßfängeranordnung für ein Kraftfahrzeug |
DE202009016759U1 (de) | 2009-12-11 | 2010-04-08 | Peguform Gmbh | Energieabsorber |
DE202010004709U1 (de) | 2010-04-08 | 2011-09-02 | Peguform Gmbh | Stossfängerstruktur mit integriertem Energieabsorber |
DE102010037984A1 (de) | 2010-10-05 | 2012-04-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Stoßfängerträger und Verfahren zur Herstellung von Stoßstangen mit Stoßdämpfung |
US8336933B2 (en) | 2010-11-04 | 2012-12-25 | Sabic Innovative Plastics Ip B.V. | Energy absorbing device and methods of making and using the same |
US8322780B2 (en) | 2010-12-20 | 2012-12-04 | Sabic Innovative Plastics Ip B.V. | Reinforced body in white and method of making and using the same |
US8449021B2 (en) | 2010-12-17 | 2013-05-28 | Sabic Innovative Plastics Ip B.V. | Vehicle lower-leg protection device and method of making and using the same |
US9238443B2 (en) | 2010-12-17 | 2016-01-19 | Sabic Global Technologies B.V. | Blow molded energy absorber and systems and methods of making and using the same |
US8764078B1 (en) * | 2011-09-08 | 2014-07-01 | Dimitri Lemonides | Deflector for increasing fuel efficiency of a vehicle |
US8408613B1 (en) * | 2011-10-18 | 2013-04-02 | GM Global Technology Operations LLC | Energy absorber for automotive bumper |
US10005408B2 (en) | 2011-11-03 | 2018-06-26 | Sabic Global Technologies B.V. | Energy absorbing system for conflicting regulatory requirements for vehicle bumpers |
EP2660032A1 (de) | 2012-05-02 | 2013-11-06 | Basf Se | Verfahren zur herstellung eines verbundkörpers umfassend ein mit einem hohlkörper kraftschlüssig verbundenes partikelschaum-formteil |
US9073584B2 (en) * | 2012-09-06 | 2015-07-07 | Dimitri Lemonides | Deflector for increasing fuel efficiency of a vehicle |
CN102897123B (zh) * | 2012-09-26 | 2014-10-22 | 桐乡市小老板特种塑料制品有限公司 | 一种减缓碰撞力装置 |
US8864216B2 (en) | 2013-01-18 | 2014-10-21 | Sabic Global Technologies B.V. | Reinforced body in white and method of making and using the same |
US9067550B2 (en) | 2013-01-18 | 2015-06-30 | Sabic Global Technologies B.V. | Polymer, energy absorber rail extension, methods of making and vehicles using the same |
US11603142B2 (en) | 2014-06-16 | 2023-03-14 | Sabic Global Technologies B.V. | Structural body of a vehicle having an energy absorbing device and a method of forming the energy absorbing device |
US9340231B1 (en) * | 2014-08-08 | 2016-05-17 | Google Inc. | Energy-absorbing apparatus |
KR101685396B1 (ko) * | 2014-12-29 | 2016-12-13 | 주식회사 성우하이텍 | 차량용 범퍼 빔 |
FR3038875B1 (fr) * | 2015-07-16 | 2018-07-13 | Renault Sas | Poutre de pare-chocs munie d'une cavite au moins en partie delimitee par de la matiere plastique de la traverse de poutre de pare-chocs |
DE102015117005A1 (de) * | 2015-10-06 | 2017-04-06 | Benteler Automobiltechnik Gmbh | Crashbox |
US10065587B2 (en) | 2015-11-23 | 2018-09-04 | Flex|N|Gate Corporation | Multi-layer energy absorber |
USD820749S1 (en) | 2015-12-29 | 2018-06-19 | Sabic Global Technologies B.V. | Roof component for a motor vehicle |
EP3595937B1 (en) * | 2017-03-17 | 2021-05-05 | Nissan North America, Inc. | Vehicle bumper assembly |
CN107310499A (zh) * | 2017-06-19 | 2017-11-03 | 界首市中源汽车修造有限公司 | 一种高吸能汽车后保险杠 |
US10308199B2 (en) | 2017-10-05 | 2019-06-04 | Ford Global Technologies, Llc | Vehicle and vehicle bumper |
DE102017010177A1 (de) | 2017-10-30 | 2018-05-09 | Daimler Ag | Stoßfänger mit winkelabhängiger Reaktion |
DE102017011987A1 (de) | 2017-12-23 | 2018-07-12 | Daimler Ag | Stoßfängeranordnung |
DE102019108742A1 (de) * | 2019-04-03 | 2020-10-08 | Bayerische Motoren Werke Aktiengesellschaft | Energieabsorptionsvorrichtung |
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JP2004196156A (ja) * | 2002-12-19 | 2004-07-15 | Calsonic Kansei Corp | 自動車の車体前部構造 |
-
2004
- 2004-03-17 DE DE102004013370A patent/DE102004013370B4/de not_active Expired - Fee Related
-
2005
- 2005-03-11 EP EP05005319A patent/EP1577168A3/de not_active Withdrawn
- 2005-03-14 JP JP2005070309A patent/JP4303692B2/ja not_active Expired - Fee Related
- 2005-03-17 US US11/083,043 patent/US7044514B2/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7837118B2 (en) | 1999-09-07 | 2010-11-23 | American Express Travel Related Services Company, Inc. | Infrared blocking article |
US7837116B2 (en) | 1999-09-07 | 2010-11-23 | American Express Travel Related Services Company, Inc. | Transaction card |
US8066190B2 (en) | 1999-09-07 | 2011-11-29 | American Express Travel Related Services Company, Inc. | Transaction card |
US8191788B2 (en) | 1999-09-07 | 2012-06-05 | American Express Travel Related Services Company, Inc. | Transaction card |
US7827106B2 (en) | 2001-07-10 | 2010-11-02 | American Express Travel Related Services Company, Inc. | System and method for manufacturing a punch-out RFID transaction device |
US8266056B2 (en) | 2001-07-10 | 2012-09-11 | American Express Travel Related Services Company, Inc. | System and method for manufacturing a punch-out RFID transaction device |
JP2014519585A (ja) * | 2011-06-10 | 2014-08-14 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェン | 広い温度範囲にわたって効果的な振動減衰 |
Also Published As
Publication number | Publication date |
---|---|
US20050218672A1 (en) | 2005-10-06 |
US7044514B2 (en) | 2006-05-16 |
JP2005263207A (ja) | 2005-09-29 |
DE102004013370A1 (de) | 2005-10-27 |
EP1577168A3 (de) | 2010-01-20 |
EP1577168A2 (de) | 2005-09-21 |
DE102004013370B4 (de) | 2007-11-22 |
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