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.
Patent No.:
Date of Patent:
Mar. 28, 2023
Filed:
Nov. 24, 2020
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 3/00 (2006.01); F03D 9/11 (2016.01); F03D 3/06 (2006.01); F03D 9/00 (2016.01);
U.S. Cl.
CPC ...
F03D 3/005 (2013.01); F03D 3/065 (2013.01); F03D 9/007 (2013.01); F03D 9/11 (2016.05);
Abstract
A vertical axis wind turbine () includes a vertical rotation shaft () and a plurality of vertical blades () arranged around the rotation shaft and attached to the rotation shaft through an arm (). Each of the blades () includes a blade main part () and blade-tip inclined parts () extending from upper and lower ends of the blade main part () toward the rotation shaft (). Each of the blade-tip inclined parts () has a smaller thickness than a thickness of the blade main part (). A wind power generating device () includes a vertical axis wind turbine () having the above configuration and a generator ().