Damage tolerant cover sheet for premanufactured spar cap

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12247543
APP PUB NO 20240271596A1
SERIAL NO

18689193

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to a pre-manufactured spar cap for a wind turbine blade comprising a spar cap structure comprising a plurality of fibre-reinforced composite elements arranged in stacked rows and separated by interlayers and a first and/or second damage tolerant cover sheet. The first and/or second damage tolerant cover sheets each comprises a first damage tolerant fibre layer and a second damage tolerant fibre layer attached to each other in attachment areas, wherein the attachments areas are separated from each other by a distance between 1-5 cm. Furthermore, the spar cap structure and the first and/or second damager tolerant cover sheet are embedded in a first cured resin. The present invention also relates to a damage tolerant cover sheet as such, as well as a wind turbine comprising a first and/or second damage tolerant cover sheet. Also, the present invention relates to methods of manufacturing a premanufactured spar cap, a wind turbine shell member and a wind turbine blade comprising the first and/or second damage tolerant cover sheet.

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First Claim

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Patent Owner(s)

  • LM WIND POWER A/S

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jørgensen, Jeppe Bjørn Kolding, DK 4 0
Nielsen, Ole Kolding, DK 29 95

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