Patent ID: 6700218
Filing Date: 2004-03-02
Classification: F03D,F05B,Y02E

Abstract:
A wind energy catchment device comprising:a central vertical shaft that rotates, the bottom end of which is secured by means of bearings to a rigid support fixed to the ground, the upper and lower part of the shaft have radial arms secured to it, evenly spaced one from the other, the outer ends of the upper arms are connected by cables or cords with its contiguous outer ends of the lower arms and form outer vertical shafts, between the upper and lower radial arms and the central shaft there are rectangular perpendicular parallelepiped sails rotatably secured at their outer vertical shafts, wherein the furthest external vertical sides of these sails are able to rotate from 90Â° to 180Â° with or around their vertical shafts and between and around the central shaft and each of said sails receives the air on the side of the mesh when it is positioned to receive the wind pressure, and is floating in the wind direction on the opposite position to the one that receives pressure.