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AssigneeNabrawind Technologies, S.L.
InventorsEneko Sanz Pascual, Javier Monreal Lesmes, Ion Arocena De La Rúa, Arantxa Esparza Zabalza
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A lightning-protection device in a modular blade that connects the outboard module, where the lightning strikes, to the inboard module through which the lightning is conducted to the hub, and includes the lightning down conductor cable. The device is an elastic element with greater electrical conductivity than the adhesive used to affix the inserts in holes previously drilled inside the carbon fiber and that make up the metal joint of the modular blade. The device is an elastomer with a preferably toroidal shape thar surrounds each and every one of the metal elements that make up the joint of the blade and covers the gap formed between the carbon fiber of the cap and the aforementioned metal elements. The use of other shapes and other conductive materials that allow its geometry to be elastic is an option.
A device for lightning protection in a modular blade (100), wherein metal connection elements are arranged in an upper cap (5) and in a lower cap, both on the side of an outboard module (2) and on the side of an inboard module (3), each of the metal connection elements (4) comprising one or several prestressed bolts (10), which are threaded into inserts (11) that are glued into previously drilled holes in the interior of a carbon fibre composite material (6) by means of an adhesive (12), characterized in that it comprises:
Dependencies are inferred from the claim text.