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. 23, 2016
Filed:
May. 03, 2010
Applicant:
Hermann Kestermann, Rheine, DE;
Inventor:
Hermann Kestermann, Rheine, DE;
Assignee:
SSB Wind Systems GmbH & Co. KG, Salzbergen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/12 (2006.01); H02P 3/04 (2006.01); F03D 7/02 (2006.01);
U.S. Cl.
CPC ...
H02P 3/04 (2013.01); F03D 7/0224 (2013.01); F05B 2260/76 (2013.01); F05B 2260/79 (2013.01); F05B 2260/80 (2013.01); F05B 2260/83 (2013.01); Y02E 10/723 (2013.01);
Abstract
A method for checking an electric energy storage device for a blade angle adjustment drive of a wind turbine. The method includes blocking an electric motor, loading an electric energy storage device from the blocked electric motor by means of a converter; and observing the discharging of the electric energy storage device.