PALA PER UNA TURBINA EOLICA E METODO DI COLLEGAMENTO PER COLLEGARE DETTA PALA AD UN MOZZO DI DETTA TURBINA EOLICA

A wind blade for a wind turbine has a tip (10) and a root (8) and extends along a first longitudinal axis (A1); the root (8) being suitable for being attached to a hub (5) of a wind turbine (1) and having a tubular shape and a base (26) defining a crown (27) extending around the first longitudinal a...

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Bibliographische Detailangaben
Hauptverfasser:	MASTROIANNI, MARCO, DAMIANO, MICHELE, D'ETTORE, ANGELO, LONGO, MARIO, SCHERILLO, FERDINANDO
Format:	Patent
Sprache:	ita
Schlagworte:	BLASTING HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PRODUCING MECHANICAL POWER WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A wind blade for a wind turbine has a tip (10) and a root (8) and extends along a first longitudinal axis (A1); the root (8) being suitable for being attached to a hub (5) of a wind turbine (1) and having a tubular shape and a base (26) defining a crown (27) extending around the first longitudinal axis (Al) and on which a plurality of first connection openings (12) are made spaced apart along the crown (27); each first opening (12) having an inner surface (28) defining a first helical coupling portion (29), in particular the first helical coupling portion (29) comprises a groove (30), which develops helically to accommodate and allow attaching by screwing a connecting device (13) suitable to attach the root (8) of the blade (6) to the hub (5).