Title:
WING STRUCTURE
Document Type and Number:
WIPO Patent Application WO2004020284
Kind Code:
A3
Abstract:
The invention relates to a wing structure comprising a single lifting skin (5) and an inflatable elongated spar (3) located at the leading edge thereof. According to the invention, the inflatable spar has a substantially oval, elliptic or teardrop shaped cross-section, the lifting skin being substantially secured to an upper surface of the spar (3) at a point near a minor axis of the spar. The cross-section shape is defined by at least one resilient internal web (8) or rib (13) substantially parallel to the minor axis, which is provided within the inflatable spar (3).
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| WO/1992/012050 | MICROLI FLYING DEVICE |
Inventors:
ROESELER CORYDON C (US)
RIBKOFF MARK ADAM (US)
RIBKOFF MARK ADAM (US)
Application Number:
PCT/IB2003/004336
Publication Date:
April 22, 2004
Filing Date:
August 27, 2003
Export Citation:
Assignee:
GAASTRA KITEBOARDING INTERNAT (CN)
ROESELER CORYDON C (US)
RIBKOFF MARK ADAM (US)
ROESELER CORYDON C (US)
RIBKOFF MARK ADAM (US)
International Classes:
B64C31/036; (IPC1-7): B63B35/79; B64C3/30; B64C31/036; B64D17/30; B64D17/72
Foreign References:
| FR2762583A1 | 1998-10-30 | |||
| EP0985601A2 | 2000-03-15 | |||
| FR2816913A1 | 2002-05-24 | |||
| US4708078A | 1987-11-24 |
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