Title:
ELECTRIC BLOWER
Document Type and Number:
Japanese Patent JP2018046720
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electric blower which allows more precisely setting the position of a tooth tip side with respect to a rotor while improving the efficiency.SOLUTION: A cylindrical back yoke 31 includes yoke portions 41 and other yoke portions 42. The respective yoke portions 41 are located between a pair of teeth 32a, 32b and between a pair of teeth 32c, 32d, and face each other, as well as have an approximately equal circumferential length. The respective other yoke portions 42 are located between the pair of teeth 32a, 32b and between the pair of teeth 32c, 32d and face each other, as well as have an approximately equal circumferential length. The yoke portion 41 has the circumferential length shorter than that of the other yoke portion 42, and has a magnetic path formed larger than that of the other yoke portion 42.SELECTED DRAWING: Figure 1
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Inventors:
OSHIKIRI TAKESHI
Application Number:
JP2016182352A
Publication Date:
March 22, 2018
Filing Date:
September 16, 2016
Export Citation:
Assignee:
TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP
International Classes:
H02K1/14; F04D29/00; H02K1/18
Domestic Patent References:
| JP2013201893A | 2013-10-03 | |||
| JPH08308180A | 1996-11-22 | |||
| JP2009195063A | 2009-08-27 | |||
| JP2011078294A | 2011-04-14 | |||
| JPS6154831A | 1986-03-19 | |||
| JP2000037049A | 2000-02-02 | |||
| JP2015027175A | 2015-02-05 | |||
| JP2007020386A | 2007-01-25 |
Foreign References:
| US20120306297A1 | 2012-12-06 |
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada
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