Pitch actuator for wind turbine generator, and wind turbine...

Details Pitch actuator for wind turbine generator, and wind turbine... Pitch actuator for wind turbine generator, and wind turbine...

F - Mech Eng,Light,Heat,Weapons

03

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F03D 7/02 (2006.01) F03D 1/00 (2006.01) F03D 11/00 (2006.01)

Patent

CA 2666793

A pitch driver of a wind turbine generator in which reliability of the pitch driver can be prevented from being impaired. A wind turbine generator is also provided. The pitch driver comprises a cylinder (12) and a rod (13) for altering the pitch angle by rotary driving the rotor of a wind turbine about the axis for the rotor head, cylinder bearings (14, 15) for supporting the cylinder (12), between the rotor head and the cylinder bearings, rotatably about a first rotary axis (L1) and a second rotary axis (L2) extending in the direction intersecting the first rotary axis (L1) and the axis of the cylinder (12) and the rod (13), and a rod bearing (16) for supporting the end of the rod (13) rotatably on the end face of the rotor of wind turbine.

L'invention concerne un organe de commande de pas d'un générateur d'éolienne dans lequel la fiabilité de l'organe de commande de pas peut être empêchée d'être affaiblie. L'invention concerne également un générateur d'éolienne. L'organe de commande de pas comprend un cylindre (12) et une tige (13) pour modifier l'angle de pas par l'entraînement en rotation du rotor d'une éolienne autour de l'axe de la tête de rotor, des paliers de cylindre (14, 15) pour supporter le cylindre (12), entre la tête de rotor et les paliers de cylindre, de façon rotative autour d'un premier axe de rotation (L1) et d'un second axe de rotation (L2) s'étendant dans la direction croisant le premier axe de rotation (L1) et l'axe du cylindre (12) et la tige (13), et un palier de tige (16) pour supporter l'extrémité de la tige (13) de façon rotative sur la face d'extrémité du rotor de l'éolienne.

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