| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric blower that can reduce a mechanical loss while maintaining the airtightness of a blade with a fan cover. <P>SOLUTION: The electric blower 1 includes: a plurality of radially-extending internal rotor blade half bodies 57; a resin internal fan half body 55 that is provided at the rotation center and has intermediate plates 62 for dividing a flow passage 61 between the internal rotor blade half bodies 57 into multistages in a rotation center line direction all over the adjoining internal rotor blade half bodies 57; a plurality of metal external rotor blade half bodies 56 that are radially extending to contact with the internal rotor blade bodies 57; and a centrifugal fan 6 that rotatably fixes the internal fan half bodies 55 integrally to the external rotor blade half bodies 56. <P>COPYRIGHT: (C)2013,JPO&INPIT |
