Title:
COMPOUND HELICOPTER
Document Type and Number:
WIPO Patent Application WO/2023/248746
Kind Code:
A1
Abstract:
This compound helicopter comprises a fuselage, a pair of main wing parts, a main rotor, a first side propeller, and a second side propeller. The main wing parts are provided so as to extend in the left-right direction of the fuselage. The main rotor is provided on the top part of the fuselage. The first side propeller includes a plurality of first propeller blades having a first cord length distribution, and is provided on a main wing part, among the pair of main wing parts, on the side where the main rotor moves forward. The second side propeller includes a plurality of second propeller blades having a second cord length distribution different than the first cord length distribution, and is provided on a main wing part, among the pair of main wing parts, on the side where the main rotor moves backward.
Inventors:
KIMURA KEITA (JP)
TANABE YASUTADA (JP)
SUGAWARA HIDEAKI (JP)
TANABE YASUTADA (JP)
SUGAWARA HIDEAKI (JP)
Application Number:
PCT/JP2023/020251
Publication Date:
December 28, 2023
Filing Date:
May 31, 2023
Export Citation:
Assignee:
JAPAN AEROSPACE EXPLORATION (JP)
International Classes:
B64C27/26; B64C27/22; B64C27/467; B64U10/25; B64U30/295
Domestic Patent References:
| WO2016053408A1 | 2016-04-07 |
Foreign References:
| JP2021115925A | 2021-08-10 | |||
| US20210276704A1 | 2021-09-09 | |||
| JP2021187325A | 2021-12-13 | |||
| EP3141478A1 | 2017-03-15 |
Attorney, Agent or Firm:
MINAMI AOYAMA PATENT AND TRADEMARK ATTORNEYS (JP)
Download PDF: