Patent ID: 9458736
Filing Date: 2016-10-04
CPC Classification: F01D,F03D,F05B,Y02E

Claim Text:
1. A wind turbine generator system comprising: a rotor having a hub and blades; a generator connected with the rotor by way of a main shaft connected with the hub; a nacelle which contains at least the generator and supports the rotor pivotally by way of the main shaft; and a tower on a top of which the nacelle is supported, and opposite to the top the tower is fixed to a base; wherein a heat exchanger is provided at the tower close to the base; wherein cooling medium passes through the heat exchanger by way of a pipe arrangement, and thereby the heat of the cooling medium and the heat of air inside the tower are exchanged and the air inside the tower is cooled; and wherein a duct which introduces cooled air inside the tower to the nacelle is provided in the tower.