Title:
STATOR, STATOR MANUFACTURING METHOD, AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/202711
Kind Code:
A1
Abstract:
This stator is provided with a stator core having a plurality of teeth and a distributed winding coil. The plurality of teeth include a first tooth with an umbrella and a second tooth without an umbrella. The first tooth and the second tooth are alternately disposed in the circumferential direction of the stator core. The slot between the first and second teeth adjacent to each other has a radial direction opening that opens in the radial direction. The radial direction opening has a width in the circumferential direction, which is larger than the the wire diameter of the coil and smaller than two times the wire diameter of the coil.
Inventors:
UEDA TOMOYA (JP)
YAMADA YUKIE (JP)
YAMADA YUKIE (JP)
Application Number:
PCT/JP2020/001699
Publication Date:
October 08, 2020
Filing Date:
January 20, 2020
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K3/04; H02K1/16; H02K15/085
Foreign References:
| JP2003153478A | 2003-05-23 | |||
| JPH09261904A | 1997-10-03 | |||
| JPH0666281U | 1994-09-16 | |||
| JP2015521832A | 2015-07-30 | |||
| JPH08223840A | 1996-08-30 |
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