Wind vortexing turbine has four blade rotor in lower turbine housing and two blade rotor in upper housing with opening and closing flaps in the outer cover

摘要

A vortexing wind turbine comprises two vertical shafts (2a,b) each in two end bearings with a rotor having four equal rectilinear blades (9a-d) in a lower turbine housing and a second rotor with two equal blades (14a,b) in an upper housing above a convex shape. The surrounding outer cover of the turbine comprises movable opening and closing flaps.