The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 20, 2026

Filed:

Apr. 18, 2022
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Hiroaki Takeuchi, Tokyo, JP;

Yasushi Okano, Tokyo, JP;

Masaaki Shibata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); B29D 99/00 (2010.01); B64C 3/28 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0688 (2023.08); F05B 2230/31 (2013.01); F05B 2250/60 (2013.01);
Abstract

Provided is a wing structure comprising a wing body formed from fiber-reinforced plastic (FRP), and an erosion suppression layer provided so as to cover at least a portion of a front edge of the wing structure. The erosion suppression layer contains a thermal spraying layer configured so as to maintain, by having a prescribed surface roughness, a liquid film formed on the erosion suppression layer.


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