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:
Oct. 02, 2012
Filed:
Nov. 09, 2007
Masaaki Shibata, Nagasaki, JP;
Toyoaki Furukawa, Nagasaki, JP;
Yoshiyuki Hayashi, Nagasaki, JP;
Yuuji Yatomi, Nagasaki, JP;
Kazuhisa Tsutsumi, Nagasaki, JP;
Masaaki Shibata, Nagasaki, JP;
Toyoaki Furukawa, Nagasaki, JP;
Yoshiyuki Hayashi, Nagasaki, JP;
Yuuji Yatomi, Nagasaki, JP;
Kazuhisa Tsutsumi, Nagasaki, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
An apparatus and a method for operating a wind turbine capable of preventing the occurrence of damage of the blades by evading excessive irregular loads from acting on the blades in the slanting direction in the event of power failure when strong wind blows, are provided. The operating method of a wind turbine having a supportstanding erect on the ground or on a ship; a wind turbineA with a nacellesupported for swivel movement in a horizontal plane, a rotorhaving a plurality of bladesand being rotated by wind force acting on the blades, and a generator being contained in the nacelle and connected to the rotor; a rotation driving mechanismfor swiveling the wind turbineA; and a brake device for controlling the rotation of the wind turbine comprises the step of: