JP6072861B2 - 改善されたひだ設計 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2054—Load carrying floors for commercial vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
Description
[4]車両アプリケーションのための代替的な載荷表面として、軽量補強複合材料が検討されている。しかしながら、従来の複合材料は、制限された延性(高いもろさ)を有する傾向があり、低い耐衝撃性を示しているので、車両又は他の載荷アプリケーションにおける長期の使用のために必要な頑丈性を示していない。したがって、商業的又は産業的アプリケーションのために必要な耐衝撃性及び強靭性を提供するように、複合材料から形成される構造物の設計の改善が、重量を低減し且つ燃費を改善しつつ、耐荷重または非耐荷重アプリケーションの両方のための構造物の長期の耐久性を改善するために、高く望まれる。
[94]別のひだ設計の各々に衝撃試験が実施される。衝撃試験は、炭素繊維補強複合材料の細長い頂部ひだ(例えば、46)の(図2−5の各々に示されるような)中心Cに衝撃力を、0.5インチ(約1.27センチメートル)のストライカーで且つ上述した試験で加えることを含む。波形表面領域42を有する材料の一部が試験台に水平に固定される。ストライカーは、丸又は半球状の、端部又は先端を有する0.5インチ(約1.27センチメートル)の直径の円柱ロッドである。ひだをストライカーで打つときに印加されるエネルギー(E=F*d)の総量を増加させるために、力及び/又は距離が増加される。亀裂がひだに形成されるまで、エネルギーが増加される。第1の亀裂に印加されるエネルギーが比較のために記録される。以下の表は、各図の衝撃試験の結果を示す。
Claims (16)
- 車両のための耐衝撃性部品であって、
支持構造物であって、そこに形成される複数の細長い頂部を有し、細長い頂部の各々は、それぞれ、上壁と一対の側壁を有し、前記支持構造物は複合材料を有し、ヤング係数(E)に対する前記側壁の高さの割合は、約0.4mm/GPa以上約1mm/GPa以下である支持構造物と、
前記上壁又は前記側壁の少なくとも一つへの構造的な支持のための少なくとも一つの厚くされた領域とを有し、前記少なくとも一つの厚くされた領域は、前記上壁が前記一対の側壁と交わる角部に相当し、前記角部に弓形のブレースを形成し、前記複数の細長い頂部の各々は、それぞれ、載荷可能な波形表面を形成するために隣接する前記複数の細長い頂部から所定の間隔で離間する、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記複数の細長い頂部は、概して周期的な形状を有する、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記複数の細長い頂部のそれぞれの間に床領域をさらに有し、前記少なくとも一つの厚くされた領域は、さらに、上壁の部分又は前記細長い頂部のそれぞれの間の前記床領域の部分に相当し、前記少なくとも一つの厚くされた領域は、前記上壁の中心の近く又は前記床領域のそれぞれの中心の近くに最大厚さを有する、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記複数の細長い頂部のそれぞれの間に床領域をさらに有し、前記少なくとも一つの厚くされた領域は、上壁の部分、前記細長い頂部のそれぞれの間の前記床領域の部分、及び前記上壁が前記一対の側壁の各々と交わる複数の角部に相当する、耐衝撃性部品。 - 請求項4に記載された耐衝撃性部品において、
前記支持構造物は、第1内側部及び第2外側部を有し、前記少なくとも一つの厚くされた領域は、前記上壁及び前記複数の角部の前記第1内側部に設けられ、且つ前記細長い頂部のそれぞれの間の前記床領域の前記第2外側部に設けられる、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記複合材料は、ポリマー及び炭素繊維を有する繊維補強複合材料である、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記少なくとも一つの厚くされた領域は、約3mm以上約5mm以下の厚さを有し、一方で前記少なくとも一つの厚くされた領域の外側の厚さは、約2mm以上約3mm以下である、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記複数の細長い頂部のそれぞれの間に床領域をさらに有し、前記上壁の幅は、約20mm以上約35mm以下であり、前記一対の側壁の高さは、約10mm以上約18mm以下であり、前記複数の細長い頂部のそれぞれの間の前記床領域の幅は、約20mm以上約40mm以下である、耐衝撃性部品。 - 請求項1に記載された耐衝撃性部品において、
前記支持構造物は、ガスタンク保護シールド、ボディー底面シールド、構造パネル、内部床面、フロアパン、屋根、外部表面、貯蔵領域、グローブボックス、コンソールボックス、トランク、トランク床面、トラックベッド、及びそれらの組み合わせ、からなる群から選択される、耐衝撃性部品。 - 車両のための耐衝撃性部品であって、
そこに形成される複数の細長い頂部を有する支持構造物を有し、細長い頂部の各々は、それぞれ、上壁と一対の側壁を有し、前記上壁は弧状であり、前記支持構造物は約20GPa以上約30GPa以下のヤング係数(E)を有する複合材料を有し、前記複数の細長い頂部の各々は、それぞれ、載荷可能な波形表面を形成するために隣接する前記複数の細長い頂部から所定の間隔で離間する、耐衝撃性部品。 - 請求項10に記載された耐衝撃性部品において、
前記複数の細長い頂部は、概して周期的な形状を有する、耐衝撃性部品。 - 請求項10に記載された耐衝撃性部品において、
前記弧状の上壁により画定される弧の矢状方向は、約1mm以下である、耐衝撃性部品。 - 請求項10に記載された耐衝撃性部品において、
前記上壁及び前記側壁の少なくとも一つに複数の戦略的に厚くされた領域をさらに有する、耐衝撃性部品。 - 請求項10に記載された耐衝撃性部品において、
前記複合材料は、ポリマー及び炭素繊維を有する繊維補強複合材料である、耐衝撃性部
品。 - 請求項10に記載された耐衝撃性部品において、
前記支持構造物は、ガスタンク保護シールド、ボディー底面シールド、構造パネル、内部床面、フロアパン、屋根、外部表面、貯蔵領域、グローブボックス、コンソールボックス、トランク、トランク床面、トラックベッド、及びそれらの組み合わせ、からなる群から選択される、耐衝撃性部品。 - 請求項10に記載された耐衝撃性部品において、
ヤング係数(E)に対する前記側壁の前記高さの割合は、約0.4mm/GPa以上約1mm/GPa以下である、耐衝撃性部品。
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US14/321,907 | 2014-07-02 | ||
US14/321,907 US9592853B2 (en) | 2014-07-02 | 2014-07-02 | Corrugation designs |
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JP2016013832A JP2016013832A (ja) | 2016-01-28 |
JP6072861B2 true JP6072861B2 (ja) | 2017-02-01 |
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US (1) | US9592853B2 (ja) |
JP (1) | JP6072861B2 (ja) |
CN (1) | CN105292266B (ja) |
DE (1) | DE102015110302B4 (ja) |
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US10906594B2 (en) | 2019-05-30 | 2021-02-02 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicular body structure |
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DE102004057203B4 (de) | 2003-11-27 | 2019-05-09 | Ngk Insulators, Ltd. | Gasmessfühler |
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US9592853B2 (en) | 2017-03-14 |
DE102015110302A1 (de) | 2016-01-07 |
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DE102015110302B4 (de) | 2022-08-18 |
US20160001816A1 (en) | 2016-01-07 |
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