Air blower for an air conditioner

摘要

Provided is an air blower for an air conditioner. The air blower for the air conditioner (1) includes a centrifugal fan (10) and a fan housing (20). The fan housing covers the centrifugal fan, and forms a scroll-type flow path having a varying cross-sectional area and guiding air forcibly blown by the centrifugal fan to an outlet (26). Here, a bottom surface (23) of the scroll-type flow path (25) inclines and is thinnest near a region where the scroll-type flow path ends (25) . The thickness of the bottom surface (23) progressively increases along a straight line (B-B) running from a region (P B4 ) where the bottom surface is thinnest to an opposite outer side (P B1 ) of the scroll-type flow path (25) through a center of the centrifugal fan.