Title:
STATOR OF BRUSHLESS MOTOR, BRUSHLESS MOTOR, AND METHOD OF MANUFACTURING STATOR OF BRUSHLESS MOTOR
Document Type and Number:
WIPO Patent Application WO/2017/150312
Kind Code:
A1
Abstract:
This stator of a brushless motor includes a stator core and a plurality of coils. The stator core includes a base portion in the shape of annular plate, and a plurality of teeth which project in the axial direction on one surface of the base portion and are arranged in the circumferential direction. The plurality of coils are each wound by concentrated winding in such a way as to follow outer peripheral surfaces of the plurality of teeth. An inner peripheral edge portion of the base portion is withdrawn radially outward from the inner end portions of the teeth, or an outer peripheral edge portion of the base portion is withdrawn radially inward from the outer end portions of the teeth.
Inventors:
HATTORI AKIHISA (JP)
YAMADA YOJI (JP)
MIKAMI KOJI (JP)
YOKOYAMA SEIYA (JP)
YAMADA YOJI (JP)
MIKAMI KOJI (JP)
YOKOYAMA SEIYA (JP)
Application Number:
PCT/JP2017/006693
Publication Date:
September 08, 2017
Filing Date:
February 23, 2017
Export Citation:
Assignee:
ASMO CO LTD (JP)
International Classes:
H02K1/12; H02K21/24
Domestic Patent References:
| WO2014115255A1 | 2014-07-31 |
Foreign References:
| JP2014117029A | 2014-06-26 | |||
| JP2008187841A | 2008-08-14 | |||
| JP2010213508A | 2010-09-24 | |||
| JP2015133787A | 2015-07-23 | |||
| JP2008193838A | 2008-08-21 | |||
| JP2006524031A | 2006-10-19 | |||
| JPH08182229A | 1996-07-12 |
Attorney, Agent or Firm:
ONDA, Makoto et al. (JP)
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