| 摘要 |
PURPOSE: A blade pitch control device is provided to prevent overloads on a blade by performing a pitch control with positioning an independent pitch blade. CONSTITUTION: A blade pitch control device comprises a plurality of blades(10), a hub(30), a connection unit(50), and a pitch blade(70). The hub is radially installed with a regular distance from the blades. The connection unit is placed between the blade and the hub, and connects the blade to the hub. The pitch blade is placed on a free end of the blade, and independently rotates around the length of the blade. |
