FAN OF AN AIR CONDITIONER

摘要

A fan of an air conditioner is provided to reduce a flow loss and minimize a noise due to a tip vortex generated in a blade tip, thereby increasing the amount of wind and reducing power consumption. A fan of an air conditioner includes a hub(20), a plurality of blades(30), and a wing-let(40). The hub plays a role of a rotational axis. The blades are formed on the peripheral surface of the hub. The wing-let is protruded on at least one of a positive pressure surface(32) and a negative pressure surface(34) of the blade to suppress a tip vortex generated at the tip. A blade tip(31) is defined as a radial end portion of the blade to connect a leading edge(36) and a trailing edge. The hub is rotated by driving force from a motor as an external driving source.