초록 ▼

Wind turbine (1) comprising a rotor (2) around a rotation shaft (3), having a plurality of blades (4) at a distance around the rotation shaft (3), in which the blades (4) can drive the rotor (2); a cavity (10) which extends between the ends (15) of the blades (4) closest to the rotation shaft (3); a

Wind turbine (1) comprising a rotor (2) around a rotation shaft (3), having a plurality of blades (4) at a distance around the rotation shaft (3), in which the blades (4) can drive the rotor (2); a cavity (10) which extends between the ends (15) of the blades (4) closest to the rotation shaft (3); a plurality of vanes (5) around the rotor (2) for guiding wind to the blades (4), in which the vanes (5) extend from the ends (14) of the blades (4) furthest from the rotation shaft (3) to a second end (16) of the vanes (5). The vanes (5) and blades (4) merge into each other at the same curvature mathematically tangentially in a plane at right angles to the rotation shaft (3) and the curvature of the vanes (5) is described by a part of a logarithmic spiral.

대표청구항 ▼

1. Wind turbine comprising: a rotor, rotatably arranged around a rotation shaft of the wind turbine according to a rotating movement around the rotation shaft, having a plurality of blades which are fitted point-symmetrically around the rotation shaft, in which the blades delimit air flow ducts and

1. Wind turbine comprising: a rotor, rotatably arranged around a rotation shaft of the wind turbine according to a rotating movement around the rotation shaft, having a plurality of blades which are fitted point-symmetrically around the rotation shaft, in which the blades delimit air flow ducts and are arranged such that they can drive the rotor according to the rotating movement around the rotation shaft under an effect of the wind, and in which each of the blades extends between a first blade end and a second blade end, in which the first blade ends are arranged only a distance from the rotation shaft and the second blade ends are arranged further away from the rotation shaft than said first blade ends;a cavity which extends between the first blade ends of the blades, in which the air flow ducts between the blades' ends; anda plurality of vanes, arranged around the rotor which delimit air flow ducts in order to guide wind to the blades of the rotor and thereby to drive the rotor according to the rotating movement, in which each of the vanes extends between a first vane end and a second vane end, in which the first vane ends are arranged approximately at the location of the second blade ends of the blades and the second vane ends are arranged further away from the rotation shaft than the first vane ends;wherein, when the vanes and the blades are in line with one another, they merge into each other at the second blade ends of the blades and the first vane ends of the vanes at approximately the same curvature approximately mathematically tangentially in a plane approximately at right angles to the rotation shaft, and wherein there are approximately twice as many blades as vanes;wherein the curvature of the blades, at the location of their first blade ends, extends radially to the rotation shaft in this plane, and wherein the curvature of the vanes in this plane, is described by a part of an approximately logarithmic spiral;wherein the ratio of the distance between the second vane ends of two consecutive vanes and the distance between the second blade ends of two consecutive blades of the rotor is given by a factor A which can assume values from 2.6 on; andwherein the cavity is cylindrical with a diameter, the diameter of the rotor being approximately 2.875 multiplied by the diameter of the cavity. 2. Wind turbine according to claim 1, characterized in that the rotation shaft is a vertical shaft. 3. Wind turbine according to claim 1, characterized in that the approximately logarithmic spiral is an approximately golden spiral with a growth factor of approximately the golden ratio. 4. Wind turbine according to claim 3, characterized in that the approximately logarithmic spiral is approximated by the fact that the curvature radius of the vanes increases at each quarter turn, starting at the second blade ends of the blades, in a stepped manner by a factor a, with a being calculated as 1.618±3% and with the curvature radius over the first quarter turn being equal to the factor a multiplied by the curvature radius of the blades. 5. Wind turbine according to claim 1, characterized in that the vanes are arranged point-symmetrically around the rotor. 6. Wind turbine according to claim 1, characterized in that the curvature of the blades is substantially crescent-shaped in a plane approximately at right angles to the rotation shaft. 7. Wind turbine according to claim 1, characterized in that the factor A can assume values from 5.2 or greater. 8. Wind turbine according to claim 1, characterized in that the height of the rotor is substantially equal to the golden ratio multiplied by the diameter of the rotor. 9. Wind turbine according to claim 1, characterized in that the wind turbine comprises air flow duct delimiters between the blades, approximately at right angles to the rotation shaft. 10. Wind turbine according to claim 9, characterized in that the wind turbine comprises air flow duct delimiters between the vanes, approximately at right angles to the rotation shaft. 11. Wind turbine according to claim 1, characterized in that at least a part of the air flow duct delimiters in a plane through the rotation shaft has described a curvature through a part of an approximately logarithmic spiral. 12. Wind turbine according to claim 1, characterized in that an air displacement of a condenser is directed towards the wind turbine. 13. Wind turbine according to claim 1, characterized in that a supply hose is connected to the rotor in order to supply fluids to the rotor. 14. Building comprising a roof which at least partly covers the building, in which said roof comprises a roof edge, characterized in that the building comprises a wind turbine according to claim 1 on the roof of the building, in which the rotation shaft of the wind turbine is arranged substantially parallel to the roof edge. 15. Building according to claim 14, characterized in that the rotation shaft of the wind turbine is a horizontal shaft.