Centrifugal fan and air conditioner using the same

摘要

A centrifugal fan and an air conditioner using the same are provided. A gurney flap having a rectangular plate or a S-shaped, twisted gurney flap may be formed in a tip of a blade provided in or on a hub of the centrifugal fan, so that noise may be effectively reduced, and efficiency increased. Further, the blade with the gurney flap may be easily formed integrally with the hub, enhancing productivity.

主权项

1. A centrifugal fan, comprising:
a hub; and a plurality of blades provided on the hub, wherein a gurney flap is formed in or at a tip of each of the plurality of blades, wherein the gurney flap has a S-shaped, twisted shape, and wherein a horizontal length between both side ends of the gurney flap is not more than approximately 2% of a horizontal length between both side ends of the respective blade.