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:
Jul. 09, 2013
Filed:
Dec. 19, 2008
Applicant:
Tomohiro Numajiri, Nagasaki, JP;
Inventor:
Tomohiro Numajiri, Nagasaki, JP;
Assignee:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 11/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pitch drive device of a wind power generator capable of preventing the loss of reliability of the pitch drive device with a simple structure and a wind power generator are provided. A rotor head of a wind power generator in which a plurality of wind turbine blades are radially attached around a rotation axis is formed by joining a plurality of separately formed front rotor head and rear rotor head, and joint portions of the front rotor head and the rear rotor head are formed in a plane intersecting the rotation axis.