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. 28, 2007
Filed:
Apr. 28, 2003
Applicants:
Ulrich Uphues, Hannover, DE;
Patrik Achenbach, Rheine, DE;
Martin Von Mutius, Salzbergen, DE;
Inventors:
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The device for adjusting a rotor blade of a wind energy turbine is provided with a driving device () for driving an adjusting element () for selectably rotating the rotor blade () in both directions about its longitudinal axis (), an energy storage unit () and a free-running means () adapted to be selectively activated, said free-running means (), in its activated state, allowing rotation of the rotor blade () by means of energy stored in the energy storage unit () only in one of the two directions up to a desired rotational position.