Patent ID: 8376711
Filing Date: 2013-02-19
Classification: F03D,F05B,Y02E

Abstract:
1. A dual rotor wind turbine comprising: a column; and a generating unit comprising: a vertical shaft rotatably mounted to the column, a main frame mounted to the vertical shaft, a rotor assembly horizontally placed in each side of the vertical shaft and rotatably mounted to the main frame, an inlet guide vane mounted to the main frame and placed at a lower location in front of the rotor assembly, an upper guide vane mounted to the main frame, a tail wing connected to the main frame, and a generator connected to the rotor assembly, wherein the rotor assembly comprises: a horizontal rotor shaft, a rotor frame radially and circumferentially mounted to each end of the rotor shaft, and a rotor blade mounted to the rotor frame at a location close to an outside end of the rotor frame, and the rotor shaft is placed in back of the vertical shaft such that the rotor shaft is offset from the vertical shaft, the vertical shaft comprises flanges at upper and lower ends thereof,