Patent ID: 6666650
Filing Date: 2003-12-23
Classification: B64C,F03D,Y02B,Y02E

Abstract:
A wind power installation based on the principle of flow-through, comprising:a containment structure forming a multi-story wind admission surface, a multi-story rotor mounted in the structure, the rotor being configured to run counterclockwise about a vertical axis and comprising three aerodynamically configured wings per story, the structure comprising twelve vertical wind admission surface elements per story, the surface elements being disposed radially with an attack angle ranging from 36Â° to 38Â°, the attack angle being defined as an angle between a radial line from the axis of the rotor to a tip of a said wing of the rotor and a line in a same plane as the radial line and formed by an imaginary vertical projection of a said surface element onto said plane so as to intersect the same wing tip, the attack angle being formed opposite the direction of rotation of the rotor relative to said wing tip; and a cylindrical wind admission surface outer ring, the radial distance from an inner periphery to an outer periphery of the ring corresponding to &frac13; of the diameter of the rotor.