JP5490097B2 - 表面に凹所を有するウィングレット、及びそれに関連するシステムと方法 - Google Patents
表面に凹所を有するウィングレット、及びそれに関連するシステムと方法 Download PDFInfo
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- JP5490097B2 JP5490097B2 JP2011505065A JP2011505065A JP5490097B2 JP 5490097 B2 JP5490097 B2 JP 5490097B2 JP 2011505065 A JP2011505065 A JP 2011505065A JP 2011505065 A JP2011505065 A JP 2011505065A JP 5490097 B2 JP5490097 B2 JP 5490097B2
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- winglet
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
- B64C23/065—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips
- B64C23/069—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips using one or more wing tip airfoil devices, e.g. winglets, splines, wing tip fences or raked wingtips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/10—Drag reduction
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
Description
また、本願は以下に記載する態様を含む。
(態様1)
胴体寄りの部分と外側寄りの部分とを有する翼、及び
翼の外側寄りの部分に連結されたウィングレットであって、少なくとも部分的に胴体の方に向く第1表面と、少なくとも部分的に外側に向く第2表面とを有し、第1表面が陥没領域を含んでいるウィングレット
を備える航空機システム。
(態様2)
陥没領域が第1表面の隣接領域からへこんでおり、隣接領域が、弦方向には陥没領域の両側に位置する領域を含み、幅方向には翼とは反対側に位置する領域を含む、態様1に記載のシステム。
(態様3)
ウィングレットが前縁及び後縁を有しており、ウィングレットの第1表面が、前縁近傍と後縁近傍では凸形であり、前縁と後縁の間では凹形である、態様1に記載のシステム。
(態様4)
陥没領域が、弦方向に沿って最前点と最後点とを有し、幅方向に沿って、翼に最も近い近位点と、翼から最も遠い遠位点とを有している、態様1に記載のシステム。
(態様5)
最前点が、最前点と交差するウィングレットの弦長の約20%〜約40%に位置している、態様4に記載のシステム。
(態様6)
最後点が、最後点と交差するウィングレットの弦長の約45%〜約65%に位置している、態様4に記載のシステム。
(態様7)
遠位点が、ウィングレットの幅長の約20%〜約40%に位置している、態様4に記載のシステム。
(態様8)
航空機システムの抗力を低減する方法であって、
翼の胴体寄りの領域から外側寄りの領域までの翼型を含む翼を供給することと、
翼の外側寄りの領域の翼の翼型の全体的な形状を変更することなく翼に使用されるウィングレットであって、概ね胴体の方に向く第1表面と、概ね第1表面とは反対の外側に向く第2表面とを有するウィングレットを供給することと
を含み、このウィングレットが、少なくとも、翼と、第1表面に陥没領域を有するウィングレットとの接合領域における流れの性能への影響を低減する、方法。
(態様9)
ウィングレットが、弦方向に沿って最前点と最後点とを有する凹形の陥没を含み、凹形の陥没が、幅方向に沿って、翼に最も近い近位点と、翼から最も遠い遠位点とを含む、態様8に記載の方法。
(態様10)
最前点を、最前点と交差するウィングレットの弦長の約20%〜約40%に配置する、態様9に記載の方法。
(態様11)
最後点を、最後前点と交差するウィングレットの弦長の約45%〜約65%に配置する、態様9に記載の方法。
(態様12)
凹形の陥没が、既存のウィングレットロフトへの陥没を含む、態様8に記載の方法。
(態様13)
凹形の陥没が、ウィングレットの前方領域及び後方領域に、既存のウィングレットロフトのビルトアップ領域を含む、態様8に記載の方法。
Claims (13)
- 胴体寄りの部分と外側寄りの部分とを有する翼、及び
翼の外側寄りの部分の翼幅方向に湾曲した接合部に連結されたウィングレットであって、少なくとも部分的に胴体の方に向く略平面の第1表面と、少なくとも部分的に外側に向く第2表面とを有し、第1表面が陥没領域を含んでいるウィングレット
を備える航空機システム。 - 陥没領域が第1表面の隣接領域からへこんでおり、隣接領域が、弦方向には陥没領域の両側に位置する領域を含み、幅方向には翼とは離れて位置する2つの領域を含む、請求項1に記載のシステム。
- ウィングレットが前縁及び後縁を有しており、ウィングレットの第1表面が、前縁近傍と後縁近傍では凸形であり、前縁と後縁の間では凹形である、請求項1に記載のシステム。
- 陥没領域が、弦方向に沿って最前点と最後点とを有し、幅方向に沿って、翼に最も近い近位点と、翼から最も遠い遠位点とを有している、請求項1に記載のシステム。
- 最前点が、最前点と交差するウィングレットの弦長の約20%〜約40%に位置している、請求項4に記載のシステム。
- 最後点が、最後点と交差するウィングレットの弦長の約45%〜約65%に位置している、請求項4に記載のシステム。
- 近位点が、ウィングレットの幅長の約0%〜約20%に位置し、遠位点が、ウィングレットの幅長の約20%〜約40%に位置している、請求項4に記載のシステム。
- 航空機システムの抗力を低減する方法であって、
翼の胴体寄りの領域から外側寄りの翼幅方向に湾曲した領域までの翼型を含む翼を供給することと、
翼の外側寄りの領域の翼の翼型の全体的な形状を変更することなく翼に使用されるウィングレットであって、概ね胴体の方に向く略平面の第1表面と、概ね第1表面とは反対の外側に向く第2表面とを有するウィングレットを供給することと
を含み、
このウィングレットが、少なくとも、翼と、第1表面に陥没領域を有するウィングレットとの接合領域における流れの性能への影響を低減する、方法。 - ウィングレットが、弦方向に沿って最前点と最後点とを有する凹形の陥没を含み、凹形の陥没が、幅方向に沿って、翼に最も近い近位点と、翼から最も遠い遠位点とを含む、請求項8に記載の方法。
- 最前点を、最前点と交差するウィングレットの弦長の約20%〜約40%に配置する、請求項9に記載の方法。
- 最後点を、最後前点と交差するウィングレットの弦長の約45%〜約65%に配置する、請求項9に記載の方法。
- 凹形の陥没が、既存のウィングレットロフトへの陥没を含む、請求項8に記載の方法。
- 凹形の陥没が、ウィングレットの前方領域及び後方領域に、既存のウィングレットロフトのビルトアップ領域を含む、請求項8に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/103,430 | 2008-04-15 | ||
US12/103,430 US8128035B2 (en) | 2008-04-15 | 2008-04-15 | Winglets with recessed surfaces, and associated systems and methods |
PCT/US2009/037868 WO2009129023A1 (en) | 2008-04-15 | 2009-03-20 | Winglets with recessed surfaces, and associated systems and methods |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011516345A JP2011516345A (ja) | 2011-05-26 |
JP2011516345A5 JP2011516345A5 (ja) | 2012-04-26 |
JP5490097B2 true JP5490097B2 (ja) | 2014-05-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011505065A Active JP5490097B2 (ja) | 2008-04-15 | 2009-03-20 | 表面に凹所を有するウィングレット、及びそれに関連するシステムと方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8128035B2 (ja) |
EP (1) | EP2276665B1 (ja) |
JP (1) | JP5490097B2 (ja) |
CN (1) | CN102089207B (ja) |
CA (1) | CA2713162C (ja) |
RU (1) | RU2492111C2 (ja) |
WO (1) | WO2009129023A1 (ja) |
Cited By (1)
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JP7411193B1 (ja) | 2022-12-10 | 2024-01-11 | 新三平建設株式会社 | 消火装置 |
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-
2008
- 2008-04-15 US US12/103,430 patent/US8128035B2/en not_active Expired - Fee Related
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2009
- 2009-03-20 WO PCT/US2009/037868 patent/WO2009129023A1/en active Application Filing
- 2009-03-20 JP JP2011505065A patent/JP5490097B2/ja active Active
- 2009-03-20 CN CN200980109250.6A patent/CN102089207B/zh active Active
- 2009-03-20 EP EP20090733553 patent/EP2276665B1/en active Active
- 2009-03-20 RU RU2010146134/11A patent/RU2492111C2/ru active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7411193B1 (ja) | 2022-12-10 | 2024-01-11 | 新三平建設株式会社 | 消火装置 |
Also Published As
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CA2713162C (en) | 2012-08-21 |
EP2276665A1 (en) | 2011-01-26 |
WO2009129023A1 (en) | 2009-10-22 |
RU2492111C2 (ru) | 2013-09-10 |
JP2011516345A (ja) | 2011-05-26 |
US20090256029A1 (en) | 2009-10-15 |
CN102089207A (zh) | 2011-06-08 |
RU2010146134A (ru) | 2012-05-20 |
EP2276665B1 (en) | 2015-05-06 |
US8128035B2 (en) | 2012-03-06 |
CA2713162A1 (en) | 2009-10-22 |
CN102089207B (zh) | 2016-07-13 |
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