Title:
UNMANNED AIRCRAFT
Document Type and Number:
WIPO Patent Application WO/2023/224018
Kind Code:
A1
Abstract:
Provided is an unmanned aircraft which has uniform lift and the overall airframe dimensions of which can be made small. This unmanned aircraft is provided with four propeller shafts jutting horizontally along diagonals from the airframe, and four propellers constituted from twin blades having folding mechanisms. Engine rotation is transmitted to the propellers by gears. The unmanned aircraft is characterized in that: all of the propellers are at the same height from the tip end of the propeller shafts; the rotational ranges overlap those of the neighboring propellers; the mounting angles are set 90 degrees off from those of the neighboring propellers; and the rotational directions are mutually opposite from those of the neighboring propellers.
Inventors:
ARASE KUNIO (JP)
Application Number:
PCT/JP2023/018179
Publication Date:
November 23, 2023
Filing Date:
May 15, 2023
Export Citation:
Assignee:
ARASE AIZAWA AEROSPATIALE LLC (JP)
International Classes:
B64C27/635; B64C27/08; B64C39/02; B64D27/04; B64D27/10; B64U10/14; B64U20/50
Domestic Patent References:
| WO2018084261A1 | 2018-05-11 |
Foreign References:
| JP2018516197A | 2018-06-21 | |||
| CN201793017U | 2011-04-13 |
Attorney, Agent or Firm:
KYOSEI INTERNATIONAL PATENT OFFICE (JP)
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