Patent ID: 7618236

Claim:
A fan housing comprising: a frame comprising an outlet and an axial line; a base disposed in the frame and close to the outlet of the frame; and a plurality of connecting elements disposed between the frame and the base, and close to the outlet of the frame, wherein at least one of the plurality of connecting elements has a first edge facing the interior of the frame, a second edge opposite to the first edge and facing the exterior of the frame, and a plurality of air-guiding teeth formed on the first edge to axially direct to the interior of the frame, and an extending direction of the plurality of air-guiding teeth is parallel to a direction of airflows passing but is opposite to the direction of the airflows passing; wherein each of the first edges of the plurality of connecting elements comprises a wave profile comprising the plurality of air-guiding teeth is radially arranged with respect to the axial line of the frame.