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:
Jul. 15, 2025

Filed:

Nov. 17, 2020
Applicant:

Trelleborg Retford Limited, Gloucestershire, GB;

Inventors:

Adam Christopher Nevin, Nottingham, GB;

Philip Wayne Brindle, Ely, GB;

Andrew Ian Williams, Oldham, GB;

Assignee:

Trelleborg Retford Limited, Gloucestershire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03D 80/00 (2016.01); B32B 5/26 (2006.01); F03D 1/06 (2006.01); B29C 70/44 (2006.01); B29L 31/08 (2006.01); B32B 5/02 (2006.01);
U.S. Cl.
CPC ...
F03D 80/00 (2016.05); B32B 5/263 (2021.05); B32B 5/2795 (2021.05); B29C 70/44 (2013.01); B29L 2031/085 (2013.01); B32B 5/024 (2013.01); B32B 5/026 (2013.01); B32B 2250/20 (2013.01); B32B 2260/023 (2013.01); B32B 2260/046 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2264/105 (2013.01); B32B 2264/108 (2013.01); B32B 2603/00 (2013.01);
Abstract

A wind turbine component, the wind turbine component comprising a laminate of layers with an outer side and an inner side, wherein the outer side faces an exterior of the wind turbine component and the inner side faces an interior of the wind turbine component, the laminate of layers being configured to reflect a radar wave impinging the outer side of the laminate of layers, wherein a reflection loss of the reflected radar wave is below a threshold at a frequency, the laminate of layers comprising: an attenuating layer comprising reinforcing fiberglass or reinforcing carbon fibers, a polymer matrix, and radar absorbing particles; a reflective layer arranged on the inner side of the attenuating layer, the reflective layer being configured to reflect a transmitted portion of the radar wave, the transmitted portion of the radar wave being a portion of the radar wave that has passed through the attenuating layer.


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