Patent ID: 9200616
Filing Date: 2015-12-01
Classification: F03D,F05B,Y02E

Abstract:
1. An automatic adjustment device for adjusting inclination of blades of wind turbines, comprising: a first housing having multiple blades connected thereto and each blade having a first connection portion which is inserted into the first housing; a transmission unit connected to the first housing, a pump unit and a speed-changing member mechanically connected to the transmission unit, the speed-changing member changing speed from the transmission unit, the pump unit mechanically connected to the speed-changing member, the pump unit having a driving unit which is connected with a transmission disk and the transmission disk connected to the connection portions of the blades; the pump unit being activated by speed difference between the speed-changing member and the transmission unit so as to rotate the transmission disk via the driving unit and to adjust inclination angle of the blades.