Pitch drive apparatus of wind generator and wind generator

Details Pitch drive apparatus of wind generator and wind generator Pitch drive apparatus of wind generator and wind generator

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 7/00 (2006.01) F01D 7/00 (2006.01) F03D 11/00 (2006.01)

Patent

CA 2709024

The invention provides a pitch drive apparatus of a wind generator and the wind generator capable of, with a simple structure, preventing reliability of the pitch drive apparatus from being deteriorated. The wind generator includes a wind turbine rotor blade (6) having a blade root mounted so as to be turnable around an axis center O with respect to a rotor head (4), and a pitch drive apparatus (11) for turning and driving the wind turbine rotor blade (6) around the axis center O to change a pitch angle thereof. The pitch drive apparatus (11) has an electric cylinder (12) functioning as a linear actuator.

L'invention porte sur la commande de pas d'une éolienne dont la structure simple est une garantie de fiabilité. L'invention porte également sur une éolienne en étant équipée comprenant un rotor (6) et des emplantures de pales fixées à la tête du rotor et tournant autour de leur axe central (O), et une commande de pas (11) agissant en faisant tourner le rotor (6) autour de l'axe central (O). La commande de pas (11) comprend un vérin électrique (12) à action linéaire.

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