Title:
PROPELLER
Document Type and Number:
WIPO Patent Application WO/2021/085588
Kind Code:
A1
Abstract:
A propeller (1) is equipped with: a hub (11); a blade (12) formed so as to extend outward from the hub (11); a curved section (13) which includes a flexible member for connecting the hub (11) and the blade (12); and a cord (15) which is positioned inside the curved section (13) and is stretched between the hub (11) and the blade (12). The blade (12) of the propeller (1) includes a deformable edge (14) positioned on the front side thereof in the direction of rotation (D), and said deformable edge (14) may be flexible.
Inventors:
HO ANH VAN (JP)
NGUYEN DINH QUANG (JP)
NGUYEN DINH QUANG (JP)
Application Number:
PCT/JP2020/040775
Publication Date:
May 06, 2021
Filing Date:
October 30, 2020
Export Citation:
Assignee:
JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECH (JP)
International Classes:
B64C11/12; B63H1/14; B63H1/26; B64C11/20; B64C27/35; B64C27/473; F04D29/30
Foreign References:
| JPS5424200B1 | 1979-08-18 | |||
| US20190135419A1 | 2019-05-09 | |||
| JP2003247342A | 2003-09-05 | |||
| US20160347441A1 | 2016-12-01 |
Attorney, Agent or Firm:
KIMURA Mitsuru et al. (JP)
Download PDF:
Previous Patent: WIRING BOARD, ELECTRONIC DEVICE, AND ELECTRONIC MODULE
Next Patent: LENS UNIT AND CAMERA MODULE
Next Patent: LENS UNIT AND CAMERA MODULE