SPAR CAP WITH TAPERING AND SERRATED END SECTION
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
Jun 24, 2022
filing date -
Jun 25, 2021
priority date (Note) -
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status (Latency Note)
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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.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- F03D:WIND MOTORS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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