Title:
ROTARY FLAPPING-WING FLIGHT APPARATUS FOR VERTICAL LIFT AND HORIZONTAL DESCENT
Document Type and Number:
WIPO Patent Application WO/2022/098214
Kind Code:
A1
Abstract:
The present invention relates to a rotary flapping-wing flight apparatus having rotary wings, which flap at both sides of a fuselage of the flight apparatus through dual rotation for simultaneously revolving and rotating in the circulation direction of the inner middle, center top, outer middle and center bottom ends thereof, almost stand upright to perform upward flapping to be lifted without fluid resistance when the wings are passing the inner middle end thereof, and are almost horizontally spread out to perform downward flapping while pushing fluid in the vertical downward direction, when the wings are passing the outer middle end thereof.
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Inventors:
LEE SANG CHEOL (KR)
Application Number:
PCT/KR2021/016284
Publication Date:
May 12, 2022
Filing Date:
November 09, 2021
Export Citation:
Assignee:
LEE SANG CHEOL (KR)
International Classes:
B64C33/02; F16H9/24; F16H37/02
Foreign References:
| KR20070049271A | 2007-05-11 | |||
| JPH0727693U | 1995-05-23 | |||
| KR200417261Y1 | 2006-05-24 | |||
| US20030096553A1 | 2003-05-22 | |||
| US6227483B1 | 2001-05-08 | |||
| KR101845748B1 | 2018-04-05 |
Other References:
See also references of EP 4242103A4
Attorney, Agent or Firm:
E-BIRD INTERNATIONAL IP LAW FIRM (KR)
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