FAN OF WIND POWER GENERATOR

摘要

PROBLEM TO BE SOLVED: To provide a fan of a wind power generator capable of utilizing wind power to the maximum extent by preventing wind received by vanes from escaping as much as possible and having vertically long vanes around an erected rotary shaft to rotate smoothly. SOLUTION: Box bodies opened on a wind receiving side are provided on the rotary shaft in rotation symmetry. The box body is composed of a plurality of box bodies. A set of the plurality of box bodies is fixed to draw a spiral line on the rotary shaft. The set of the plurality of box bodies fixed to the rotary shaft to draw the spiral line is provided on the rotary shaft in twice symmetry. COPYRIGHT: (C)2006,JPO&NCIPI