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. 19, 2016
Filed:
Aug. 18, 2011
Applicant:
Hans Laurberg, Århus C, DK;
Inventor:
Hans Laurberg, Århus C, DK;
Assignee:
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/80 (2006.01); G01R 1/04 (2006.01); G01R 1/20 (2006.01); G01R 5/14 (2006.01); F03D 7/02 (2006.01); F03D 11/00 (2006.01);
U.S. Cl.
CPC ...
F03D 7/0296 (2013.01); F03D 11/0091 (2013.01); F05B 2260/96 (2013.01); F05B 2270/326 (2013.01); F05B 2270/327 (2013.01); F05B 2270/334 (2013.01); F05B 2270/807 (2013.01); F05B 2270/808 (2013.01); Y02E 10/722 (2013.01); Y02E 10/723 (2013.01);
Abstract
A method of determining a common blade frequency of a rotor of a wind turbine is provided. The method includes measuring a vibration quantity representative of a vibration of a component of the wind turbine, and determining the common blade frequency based the measured vibration quantity.