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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.:

US 12540597 B1

PDFFull Text
Date of Patent:
Feb. 03, 2026

Filed:

Jun. 24, 2022

Spar cap with tapering and serrated end section

Applicant:

Lm Wind Power A/s, Kolding, DK;

Inventors:

Lars Nielsen, Kolding, DK;

Klavs Jespersen, Kolding, DK;

Assignee:

LM Wind Power A/S, Kolding, DK;

Attorney:

Dority & Manning, P.A.

Primary Examiner:

Nathaniel E Wiehe

Assistant Examiner:

Wayne A Lambert

Int. Cl.
CPC ...
F03D 1/06 (2006.01); B29C 70/08 (2006.01); B29C 70/48 (2006.01); B29C 70/54 (2006.01); B29D 99/00 (2010.01); B32B 3/26 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B29K 31/00 (2006.01); B29K 63/00 (2006.01); B29K 67/00 (2006.01); B29K 105/08 (2006.01); B29K 307/04 (2006.01); B29K 309/08 (2006.01); B29L 31/08 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0681 (2023.08); B29C 70/081 (2013.01); B29C 70/083 (2013.01); B29C 70/48 (2013.01); B29C 70/545 (2013.01); B29D 99/0028 (2013.01); B32B 3/263 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/277 (2021.05); B29C 2793/009 (2013.01); B29K 2031/00 (2013.01); B29K 2063/00 (2013.01); B29K 2067/00 (2013.01); B29K 2105/0845 (2013.01); B29K 2105/0854 (2013.01); B29K 2307/04 (2013.01); B29K 2309/08 (2013.01); B29L 2031/085 (2013.01); B32B 2250/20 (2013.01); B32B 2260/023 (2013.01); B32B 2260/046 (2013.01); B32B 2262/02 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2307/516 (2013.01); B32B 2603/00 (2013.01); F05B 2230/23 (2013.01); F05B 2240/3042 (2020.08); F05B 2280/6003 (2013.01);
Abstract

The present invention relates to a spar cap for a wind turbine blade and a method for manufacturing said spar cap. The spar cap comprises: a plurality of reinforcing fibre layers comprising unidirectionally oriented reinforcement fibres, wherein the plurality of reinforcing fibre layers are arranged such that the spar cap tapers in thickness towards a first longitudinal end, and a number of first fibre skin layers arranged on a first surface of the plurality of reinforcing fibre layers, and a number of second fibre skin layers arranged on a second surface of the plurality of reinforcing fibre layers, such that the plurality of reinforcing fibre layers are arranged between the number of first fibre skin layers and the number of second fibre skin layers. The number of first fibre skin layers and the number of second fibre skin layers extend beyond the plurality of reinforcing fibre layers towards the first longitudinal end of the spar cap, and the first longitudinal end of the spar cap is serrated along a transverse direction, forming a first serrated section.

Find Patent Forward Citations

Nielsen, Lars. (2026). Spar cap with tapering and serrated end section (U.S. Patent No. 12540597). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12540597

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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