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:
May. 07, 2024
Filed:
Aug. 04, 2020
Applicant:
Vestas Wind Systems A/s, Aarhus N, DK;
Inventors:
Paul Badger, Salisbury, GB;
Luke Spandley, Ventnor, GB;
Assignee:
VESTAS WIND SYSTEMS A/S, Aarhus N, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 80/40 (2016.01); F03D 1/06 (2006.01);
U.S. Cl.
CPC ...
F03D 80/40 (2016.05); F03D 1/0675 (2013.01);
Abstract
A wind turbine blade having an electro-thermal heating element is provided. The electro-thermal heating element has a sheet of electrically resistive material, which is folded so as to provide a plurality of heat zones. Each heat zone includes one or more layers of the sheet. At least two of the heat zones have a different number of layers of the sheet.