| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air blower capable of improving production efficiency by reducing assembling man-hours and a time by facilitating the positioning of air blowing machines installed on a rotary shaft, and an air conditioner using the air blower. <P>SOLUTION: In the air blower, a plurality of the air blowing machines each constituted of an impeller and a fan casing are installed on the rotary shaft 6 by mutual fitting, and a shaft diameter of the rotary shaft 6 is processed in a multistage shape by arranging steps 15A, 15B and 15C having predetermined diametrical differences in predetermined positions on the rotary shaft 6 for installing the impellers of the air blowing machines by the mutual fitting, and the impellers of the air blowing machines are installed by the mutual fitting with the steps 15A, 15B and 15C as positioning references. <P>COPYRIGHT: (C)2013,JPO&INPIT |
