CROSS FLOW FAN, AND AIR CONDITIONER HAVING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a cross flow fan reduced in a wide-band sound but enabled to suppress the increase of an NZ sound even if vanes are elongated to reduce the number of impeller.SOLUTION: A cross flow fan 3 comprises an impeller 39 having a plurality of blades 31. In outer edges 46 of the blades, first notches 34 are formed at a predetermined interval along the direction, in which the blades 3 extend; and second notches 35 shallower than said first notches 34 are formed between the first notches 34 adjoining.SELECTED DRAWING: Figure 3