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:
Aug. 30, 2016
Filed:
Aug. 08, 2013
Applicant:
Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;
Inventor:
Ikuo Tobinaga, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 1/00 (2006.01); F03D 1/06 (2006.01);
U.S. Cl.
CPC ...
F03D 1/00 (2013.01); F03D 1/0691 (2013.01); Y02E 10/721 (2013.01); Y02E 10/722 (2013.01); Y02E 10/726 (2013.01); Y02E 10/728 (2013.01); Y10T 29/4932 (2015.01);
Abstract
A wind turbine system includes blades which rotate by receiving wind, a nacelle which supports the blades and rotates with the blades, a main shaft for transmitting torque which is connected to the hub and is rotated by the rotation of the hub, and a generator which generates electricity using rotating energy of the main shaft, wherein the main shaft is connected to the hub inside the hub in the axial direction of the main shaft.