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:
Apr. 15, 2014
Filed:
Apr. 08, 2011
Eystein Borgen, Rådal, NO;
William Carron, Rådal, NO;
Mark West, Hjellestad, NO;
Sway Turbine AS, Rådål, NO;
Abstract
A wind turbine comprising: a shaft (); a plurality of blade arrangements (), each of which is rotatable around the shaft and has a blade (), said blade arrangements and blades forming a blade rotor which is rotatable around the shaft; at least first and second bearing arrangements () spaced axially along the shaft, said blade rotor being connected to said first and second bearing arrangements; and a direct drive generator comprising a stator (), which is rotationally fixed to the shaft, and a generator rotor () having a rim; wherein the first and second bearing arrangements each transmit radial forces from the blade rotor to the shaft, and at least one of the first and second bearing arrangements transmits bending moments to the shaft, each of the blade arrangements being connected to a point at or adjacent the rim of the generator rotor so as to transmit torque generated by the blade arrangement directly thereto, and wherein the generator rotor () is within the blade rotor.