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:
Oct. 24, 2017
Filed:
Mar. 28, 2012
Applicant:
Pedro Palomares Rentero, Barcelona, ES;
Inventor:
Pedro Palomares Rentero, Barcelona, ES;
Assignee:
ALSTOM RENEWABLE TECHNOLOGIES, Grenoble, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 7/02 (2006.01); F03D 13/20 (2016.01);
U.S. Cl.
CPC ...
F03D 7/0224 (2013.01); F03D 13/20 (2016.05); Y02E 10/723 (2013.01); Y02E 10/728 (2013.01);
Abstract
In a first aspect, the present invention provides a blade pitch system for a wind turbine, comprising at least one multi winding motor comprising a main independent set of control windings and at least one auxiliary independent set of control windings; and at least a main independent power electronic converter for controlling the main independent set of control windings, and an auxiliary independent power electronic converter for controlling the auxiliary independent set of control windings.