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.

Date of Patent:
Jan. 17, 2023

Filed:

Jun. 11, 2019
Applicant:

Siemens Gamesa Renewable Energy A/s, Brande, DK;

Inventors:

Donato Girolamo, Molinara, IT;

Yannick Cao Van Truong, Aalborg, DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 80/30 (2016.01); F03D 1/06 (2006.01); B32B 37/00 (2006.01);
U.S. Cl.
CPC ...
F03D 80/30 (2016.05); B32B 37/00 (2013.01); F03D 1/0675 (2013.01); B32B 2307/202 (2013.01);
Abstract

Provided is a stepped conductivity arrangement between a carbon-based element and a down conductor of a wind turbine rotor blade, which stepped conductivity arrangement includes a transition interface arranged to electrically connect a first electrically conductive part and a second electrically conductive part, wherein the first electrically conductive part extends from the down conductor, the second electrically conductive part extends from the carbon-based element, and wherein the electrical conductivity of the transition interface decreases in the direction of the second electrically conductive part. The embodiments further describe a wind turbine rotor blade comprising such a stepped conductivity arrangement and a method of providing such a stepped conductivity arrangement.


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