| 摘要 |
Wind turbine device comprising a rotor (1) provided with multiple rotor blades (13), wherein the rotor (1) is circumferentially encircled by a casing (2) including a forward and a rear casing section (21, 22) positioned mutually spaced having a spacing provided as an annular slit (23); and at least some of the rotor blades (13) in their outer end portions are provided with a rotor wing (14) arranged to fill an substantial part of the axial extent of the slit (23); as a forward and a rear casing section (21, 22) together with the rotor wing (14) forms a curved wing profile having a convex external surface (141, 211, 221) interrupted by the rotor wings (14) being arranged mutually circumferentially spaced. |
