Title:
ROTARY WING
Document Type and Number:
WIPO Patent Application WO/2024/057935
Kind Code:
A1
Abstract:
Provided is a rotary wing that is unlikely to be deformed by fluid. A rotary wing 1 comprises: a hub 10; a first blade 20, a second blade 30, and a third blade 40, being a plurality of blades which each have one end connected to the hub 10 and are provided so as to be curved around the hub 10; and a plurality of linear reinforcing parts provided between at least radially adjacent ones of the blades on one side and/or the other side along the rotational axis of the hub 10. Each of the plurality of reinforcing parts has a straight line shape, and the axial distance of the reinforcing part between the blades radially adjacent to each other is at most 1/2 of the radial distance thereof, or a plurality of the reinforcing parts 51, 52, 53, 61, 62, 63 are curved. The plurality of blades are unlikely to be deformed by fluid.
Inventors:
YONEZAWA TOMONORI (JP)
Application Number:
PCT/JP2023/031651
Publication Date:
March 21, 2024
Filing Date:
August 30, 2023
Export Citation:
Assignee:
MEGADERU INC (JP)
International Classes:
F03D1/06; B64C11/20; B64C27/473; F03B3/12; F03D3/06; F04D29/24; F04D29/28; F04D29/32
Domestic Patent References:
| WO2017082489A1 | 2017-05-18 |
Foreign References:
| US20120183407A1 | 2012-07-19 | |||
| US8905706B2 | 2014-12-09 | |||
| JP2009113662A | 2009-05-28 | |||
| US20110255975A1 | 2011-10-20 |
Attorney, Agent or Firm:
MORITA Yoshinori (JP)
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