PITCH ADJUSTMENT CYLINDER FOR ADJUSTMENT OF A PITCH ANGLE OF A BLADE OF A WIND TURBINE

PITCH ADJUSTMENT CYLINDER FOR ADJUSTMENT OF A PITCH ANGLE OF A BLADE OF A WIND TURBINE

Pitch cylinders for adjusting a pitch angle of a blade, methods of assembling pitch cylinders, and the use of pitch cylinders in wind turbines are disclosed. The pitch cylinder includes a cylinder barrel having a first thread with a first pitch, a piston arranged in and extending out of the cylinder...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NEUBAUER, Jesper Lykkegaard, KABUS, Simon, ANDERSEN, Lasse Køgs, GARDE, Erik
Format: Patent
Sprache:eng ; fre ; ger
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:Pitch cylinders for adjusting a pitch angle of a blade, methods of assembling pitch cylinders, and the use of pitch cylinders in wind turbines are disclosed. The pitch cylinder includes a cylinder barrel having a first thread with a first pitch, a piston arranged in and extending out of the cylinder barrel for coupling to a blade or hub, and a trunnion to couple the cylinder barrel to the other of the blade or hub. The cylinder barrel extends through the trunnion. The trunnion has a first thread with a second pitch different from the first pitch, and a sleeve arranged between the trunnion and the cylinder barrel that extends through the sleeve. The sleeve has an inner sleeve thread with the first pitch engaged with the first cylinder barrel thread and an outer sleeve thread with the second pitch engaged with the first trunnion thread.