| 摘要 |
PROBLEM TO BE SOLVED: To smooth air flow delivered from a centrifugal air blowing fan, and to improve energy efficiency or blowing efficiency in an electric blower. SOLUTION: An engagement step part 13 equipped with a recessed part having a dimension equal to or larger than a thickness of an end part 16 of a rotary shaft supporting plate 15 is provided on a flange part 11 of a motor frame 4, the end part 16 of the rotary shaft supporting plate 15 is engaged with the engagement step part 13 without protruding to an upper surface, and the rotary shaft supporting plate 15 is fixed on the flange part 11 by a fixing member 20 provided on a lower surface of the end part 16 of the rotary shaft supporting plate 15. COPYRIGHT: (C)2006,JPO&NCIPI
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