Wind mill has vertical axis and two opposite rotating blades that are set right axially to connecting bar and rotating axes, and is attached to supporting structure of vertical axis

摘要

The wind mill has a vertical axis and two opposite rotating blades (7,8). The two opposite rotating blades are set right axially to the connecting bar (4) and rotating axes (5,6), and are attached to a supporting structure (3) of the vertical axis (2) in rotating manner.