Patent ID: 8382437
Filing Date: 2013-02-26
Classification: F04D

Abstract:
1. A fan structure comprising: a hub including a top section, an annular section and at least one first connection section, the at least one first connection section being disposed on the top section, one end of the annular section being connected with a circumference of the top section, whereby the annular section and the top section together define a receiving space, and the at least one first connection section has a locating hole in communication with the receiving space; and a plurality of blades having at least one second connection section, a wind guide section and a support section, the at least one second connection section disposed at one end of the blade and having a projection extending outward from one end for complementing the locating hole of the first connection section and connecting thereto, the blades being positioned in an overlapping pattern; wherein each blade has a wind guide section, the wind guide section having a front edge, a rear edge and a wind guide face, one side of the wind guide face between the front edge and the rear edge being connected with the second connection section; and wherein the support section is disposed between the wind guide section and the second connection section, one end of the support section being connected to the wind guide face, while the other end of the support section is connected to one face of the second connection section.