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Patent Searching and Data


Title:
FLAPPING WING AIRCRAFT
Document Type and Number:
WIPO Patent Application WO/2021/008310
Kind Code:
A1
Abstract:
A flapping wing aircraft, comprising: a fuselage (1) and at least one flapping wing (2), the flapping wing (2) at least comprising a wing rod (21) and a wing surface (22), and the flapping wing aircraft also comprising: at least one motion synthesis system, the motion synthesis system having three connecting shafts linked to the fuselage (1) and the flapping wing (2), respectively being: an output shaft (31) with freedom of autorotation and revolution, an input shaft (32) driving the revolution of the output shaft, and a control shaft (33) controlling the autorotation of the output shaft, one end of each of the three connecting shafts being connected by a kinematic chain to form the motion synthesis system, the other end of the input shaft (32) and the other end of the control shaft (33) being linked to the fuselage by means of a rotating pair, and the other end of the output shaft (31) being fixedly linked to the flapping wing, the included angle between the wing rod (21) and the axis of rotation of the output shaft being any value from 0 to 45 degrees. The present flapping wing aircraft reduces the requirements for material performance, and is structurally simple, lightweight, low-cost, and suitable for large-scale promotion.

Inventors:
LI WEINONG (CN)
Application Number:
PCT/CN2020/097509
Publication Date:
January 21, 2021
Filing Date:
June 22, 2020
Export Citation:
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Assignee:
LI WEINONG (CN)
International Classes:
B63H1/36; B64C33/02
Domestic Patent References:
WO2005068036A12005-07-28
Foreign References:
CN110329506A2019-10-15
CN101722806A2010-06-09
CN101722806A2010-06-09
CN104859856A2015-08-26
CN109484642A2019-03-19
CN206871358U2018-01-12
CN208963314U2019-06-11
KR20130134473A2013-12-10
Attorney, Agent or Firm:
BEIJING ZHUOLANIP INTELLECTUAL PROPERTY AGENT FIRM (CN)
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