AXIAL FAN FOR BLOWER

摘要

An axial fan for a blower is provided to reduce the interference noise by changing the shape of a fan band and interrupting the reverse flow through a space between the fan band and a shroud. An axial fan for a blower includes a hub(10), a plurality of blades(20), and a fan band(30). The hub is engaged with a shaft of a motor. The blades are disposed radially on the outer peripheral surface of the hub. The fan band connects the ends of the blades to prevent deformation of the blades. The fan band includes a body(31) and a rib(32). The body connects the ends of the blades. The rib radially extends from the outer end of the body. The end of the rib has a saw tooth shape. The rib has a predetermined width.