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. 31, 2004
Filed:
Aug. 20, 2002
Applicant:
Inventors:
Roland Weitkamp, Belm, DE;
Henning Lütze, Bad Bentheim, DE;
André Riesberg, Wallenhorst, DE;
Jochen Anemüller, Elze, DE;
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 7/00 ;
U.S. Cl.
CPC ...
F01D 7/00 ;
Abstract
Two independent adjusting systems are recommended for each rotor blade ( ) for blade angle adjustments of the rotor blades ( ) of the rotor of a wind power plant, assuring full redundancy of the blade angle adjustment. By suitable control of the individual adjustment paths of the two adjustments systems, additional advantageous effects can be gained, such as good lubricant distribution and/or even load distribution over time (FIG. ).