Invention Application
US20140119938A1 PROPELLER FAN AND AIR CONDITIONER HAVING THE SAME 有权
螺旋桨风扇和有空调的空调

PROPELLER FAN AND AIR CONDITIONER HAVING THE SAME
Abstract:
Provided is a propeller fan including a hub having an oval shape in an axial direction, a plurality of wings that extend from the hub, and at least one reinforcement rib that extends from the hub and is formed closer to a leading edge of each of the plurality of wings. Through this configuration, the propeller fan has blowing efficiency and stiffness, and the weight and material cost of the propeller fan can be reduced.
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