JP4478594B2 - 回転翼航空機の着地衝撃吸収装置 - Google Patents
回転翼航空機の着地衝撃吸収装置 Download PDFInfo
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- JP4478594B2 JP4478594B2 JP2005049020A JP2005049020A JP4478594B2 JP 4478594 B2 JP4478594 B2 JP 4478594B2 JP 2005049020 A JP2005049020 A JP 2005049020A JP 2005049020 A JP2005049020 A JP 2005049020A JP 4478594 B2 JP4478594 B2 JP 4478594B2
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Description
F=ma=120×39.2≒4.7(kN)
m:90(kg)(搭乗者重量)+30(kg)(座席重量)=120(kg)
a:4G=4×9.8(m/s2)=39.2(m/s2)
PMAX=ma=120×490≒60(kN)
m:90(kg)(搭乗者重量)+30(kg)(座席重量)=120(kg)
a:50G=50×9.8(m/s2)=490(m/s2)
2 座席
3 搭乗者
10 床板
11 (床板の)座席下方部分
12 (床板の)他の部分
20 シアピン(床降下手段)
30 衝撃吸収手段
31 第1ハニカムコア(高剛性のハニカムコア)
32 第2ハニカムコア
33 第3ハニカムコア(低剛性のハニカムコア)
34 中間板
Claims (3)
- 回転翼航空機の座席に座る搭乗者を着地衝撃から保護する着地衝撃吸収装置であって、
前記座席の下方に配置され前記座席が取り付けられた座席下方部分と他の部分とを有し、前記座席下方部分が前記他の部分に対して分離するように構成された床板と、
前記床板の前記座席下方部分と前記床板の前記他の部分とを連結する一方、所定の上下方向の着地衝撃が加えられた場合に前記座席下方部分を前記他の部分から分離させ降下させる床降下手段と、
セル軸が上下方向に延在するように配置された板状のハニカムコアを有し降下した前記座席下方部分を下方から支持して上下方向に加わる着地衝撃を吸収する衝撃吸収手段と、
を備えることを特徴とする回転翼航空機の着地衝撃吸収装置。 - 前記床降下手段は、
前記座席下方部分と前記他の部分とを連結する一方、所定の着地衝撃荷重が加えられた場合に破断するシアピンであることを特徴とする請求項1に記載の回転翼航空機の着地衝撃吸収装置。 - 前記衝撃吸収手段は、
剛性の異なる複数の前記ハニカムコアが板を介して上下に積層されてなることを特徴とする請求項1又は2に記載の回転翼航空機の着地衝撃吸収装置。
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JP2005049020A JP4478594B2 (ja) | 2005-02-24 | 2005-02-24 | 回転翼航空機の着地衝撃吸収装置 |
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JP2005049020A JP4478594B2 (ja) | 2005-02-24 | 2005-02-24 | 回転翼航空機の着地衝撃吸収装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006232075A JP2006232075A (ja) | 2006-09-07 |
JP4478594B2 true JP4478594B2 (ja) | 2010-06-09 |
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JP2005049020A Active JP4478594B2 (ja) | 2005-02-24 | 2005-02-24 | 回転翼航空機の着地衝撃吸収装置 |
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JP (1) | JP4478594B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7997529B2 (en) * | 2006-01-19 | 2011-08-16 | The Boeing Company | Compliant panel for aircraft |
AU2009318142A1 (en) * | 2008-11-18 | 2011-06-30 | Russell C. Warrick | Energy absorption material |
US20120319441A1 (en) * | 2010-03-12 | 2012-12-20 | Toyota Jidosha Kabushiki Kaisha | Structure for aircraft seat section |
JP2013216228A (ja) * | 2012-04-10 | 2013-10-24 | Toyota Auto Body Co Ltd | 車両の衝撃吸収構造 |
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2005
- 2005-02-24 JP JP2005049020A patent/JP4478594B2/ja active Active
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JP2006232075A (ja) | 2006-09-07 |
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