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:
Jan. 27, 2015
Filed:
Apr. 09, 2013
Applicant:
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 11/00 (2006.01); H02P 9/02 (2006.01);
U.S. Cl.
CPC ...
H02P 9/02 (2013.01); Y02E 10/722 (2013.01); Y02E 10/721 (2013.01); Y02E 10/726 (2013.01);
Abstract
In a wind power generator, a nacelle is located on an upper portion of a support rod, a rotor head having wind turbine blades fitted thereto is rotatably supported to a front end side of the nacelle, and a main shaft rotating integrally with the rotor head, a gear box coupled with the main shaft which rotates while the wind turbine blades receive a wind power, a power generator having a rotor driven by a shaft output of the gear box, a brush, and a slip ring, and a humidity management device controlling humidity inside of the power generator having the brush and the slip ring, are installed in an interior of the nacelle.