Damage tolerance cover sheet for prefabricated spar cap
The present invention relates to a prefabricated spar cap for a wind turbine blade, comprising a spar cap structure comprising a plurality of fiber reinforced composite elements arranged in stacked rows and separated by interlayers; and a first damage tolerance cover sheet and/or a second damage tol...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
19.07.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to a prefabricated spar cap for a wind turbine blade, comprising a spar cap structure comprising a plurality of fiber reinforced composite elements arranged in stacked rows and separated by interlayers; and a first damage tolerance cover sheet and/or a second damage tolerance cover sheet. The first damage-tolerant cover sheet and/or the second damage-tolerant cover sheet each includes a first damage-tolerant fibrous layer and a second damage-tolerant fibrous layer attached to each other in attachment regions, wherein the attachment regions are spaced from each other by a distance between 1-5 cm. Further, the spar cap structure and the first damage tolerance cover sheet and/or the second damage tolerance cover sheet are embedded in the first cured resin. The invention also relates to such a damage tolerance covering sheet, and to a wind turbine comprising a first damage tolerance covering sheet and/or a second damage tolerance covering sheet. Furthermore, the invention relates to |
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Bibliography: | Application Number: CN202280081638 |