发明授权
- 专利标题: Blunt-leading-edge raked wingtips
- 专利标题(中): 钝头前缘的甩尾翼尖
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申请号: US96464申请日: 1998-06-12
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公开(公告)号: US6089502A公开(公告)日: 2000-07-18
- 发明人: Larry L. Herrick , C. Byram Bays-Muchmore , Michael S. Hoffman , Louis L. LeGrand , Steven S. Ogg , Bernard P. Paul, Jr. , Kenneth D. Visser , Stephen L. Wells
- 申请人: Larry L. Herrick , C. Byram Bays-Muchmore , Michael S. Hoffman , Louis L. LeGrand , Steven S. Ogg , Bernard P. Paul, Jr. , Kenneth D. Visser , Stephen L. Wells
- 申请人地址: WA Seattle
- 专利权人: The Boeing Company
- 当前专利权人: The Boeing Company
- 当前专利权人地址: WA Seattle
- 主分类号: B64C3/10
- IPC分类号: B64C3/10 ; B64C23/06
摘要:
An airplane having a fuselage (11), opposed main wings (12), and blunt-leading-edge raked wingtips (8) is provided. Each main wing includes an outboard end (9) and a leading edge (14) having an outboard end leading-edge nose and nose radius. One blunt raked wingtip (8) is located at each main wing outboard end (9) and includes a leading edge (20) swept back from the main wing leading edge (14). Each blunt raked wingtip (8) further includes a plurality of local airfoils each having a leading-edge nose radius and a chord. The nose radius is greater than about 2% of the local chord for the majority of the airfoils. The relative bluntness of the raked wingtips minimizes boundary-layer separation, drag associated with boundary-layer separation, and premature buffeting of the aircraft during low speed flight.
公开/授权文献
- USD431464S Container with lid 公开/授权日:2000-10-03
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