| 主权项 |
1. An outdoor unit of an air conditioner, comprising:
a casing, including a portion defining an outlet through which air is discharged from the outdoor unit; an axial flow fan disposed in the casing for blowing air through the outlet, wherein the axial flow fan comprises: a hub; a plurality of main wings extending from the hub; a rim connecting the main wings to one other and rotating integrally with the main wings; and a plurality of auxiliary wings disposed at a clearance space between the rim and the portion of the casing defining the outlet, wherein each auxiliary wing has a leading edge at which air flow begins and a trailing edge opposite the leading edge, wherein the leading edge is positioned further forward towards the direction of rotation than the trailing edge, wherein the trailing edge is positioned further forward towards the front of the rim than the leading edge, wherein an outer radius of the front of the rim is less than an outer radius of the back of the rim, and wherein a point at which the trailing edge meets the rim is closer to the front of the rim than a farthest point on the auxiliary wing from the axis of the axial flow fan. |
