Root sleeve for wind turbine blade

A wind turbine (2) includes a tower (4); a nacelle (6) arranged on the tower (4); a gearbox (12) connected to an electrical generator (14) arranged in the nacelle (6); a blade (10) arranged on a hub (9) for rotating the gearbox (12) and driving the generator (14); a sleeve (20) for enclosing a porti...

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Bibliographische Detailangaben
Hauptverfasser:	HERR STEFAN, HEINZE WILLIAM F, KIRTLEY KEVIN R
Format:	Patent
Sprache:	chi ; eng
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 turbine (2) includes a tower (4); a nacelle (6) arranged on the tower (4); a gearbox (12) connected to an electrical generator (14) arranged in the nacelle (6); a blade (10) arranged on a hub (9) for rotating the gearbox (12) and driving the generator (14); a sleeve (20) for enclosing a portion of the blade (10), having a substantially rounded leading edge (24) and a substantially sharp trailing edge (26), arranged at a root end of the blade (10) substantially abutting the hub (9); a gap (30) for allowing air flow between the blade (10) and the sleeve (20); and wherein the blade (10) is rotatable inside the sleeve (20).