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:
Nov. 01, 2011
Filed:
Jul. 05, 2005
Applicants:
Anton Bech, Ringkøbing, DK;
Gerry Madden, Milton Keynes, GB;
Inventors:
Anton Bech, Ringkøbing, DK;
Gerry Madden, Milton Keynes, GB;
Assignee:
Vestas Wind Systems A/S, Randers SV, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a wind turbine including at least two pitch controlled wind turbine blades. Each blade has pitch bearings including two or more bearing rings, and pitch controlling means for pitching the blades by means of the bearings. The blades are mounted on a hub via the pitch bearings and the pitch bearings include separate flexibility enhancing means for controlling loads in the bearings.