Wind turbine generator

F - Mech Eng,Light,Heat,Weapons – 03 – D

Patent

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Details

F03D 7/04 (2006.01) F03D 1/06 (2006.01) F03D 11/00 (2006.01)

Patent

CA 2668995

A wind turbine generator is provided in which a gear having a large diameter is not required in a yaw drive device (30) of a yaw system (10A). The yaw drive device (30) of the yaw system (10A), which revolves a nacelle (3) depending on the wind direction, includes a electric motor (31) which is fixedly provided on a nacelle base plate (12), with an output shaft (31a) substantially aligned with a pivot of the nacelle (3). The output shaft (31a) and a fixed-side support member (2b) provided in the vicinity of an upper end of the tower (2) are coupled by a coupling shaft (33) having couplings (32) provided at both ends thereof.

L'invention concerne une génératrice éolienne affranchie du besoin d'un engrenage de grand diamètre dans un dispositif (30) d'entraînement en lacet d'un système (10A) de lacet. Le dispositif (30) d'entraînement en lacet du système (10A) de lacet, destiné à faire pivoter une nacelle (3) en fonction de la direction du vent, comprend un moteur électrique (31) fixé sur une embase (12) de nacelle munie d'un arbre (31a) de sortie approximativement aligné avec un axe de pivotement de la nacelle (3). Un espace entre l'arbre (31a) de sortie et un élément (2b) de support côté fixe placé au voisinage de l'extrémité supérieure d'une colonne (2) est franchi par l'intermédiaire d'un arbre (33) d'accouplement équipé d'accouplements (32) à ses deux extrémités.

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