Title:
STATOR, ELECTRIC MOTOR, COMPRESSOR, REFRIGERATION CYCLE DEVICE, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/260814
Kind Code:
A1
Abstract:
A stator (1) has a stator core (10) that has a yoke (10a) and teeth (10b), an insulator (20) provided on the teeth (10b), and a coil (30) wound around the teeth (10b) with the insulator (20) therebetween. The yoke (10a) has first holes (12e) provided in the axial-direction end surfaces (10d) of the stator core (10), the teeth (10b) have second holes (12f) provided in said end surfaces (10d), the second holes (12f) are provided in the teeth (10b) in the circumferential-direction center of the stator core (10) and are disposed in a straight line (S) that passes through the first holes (12e) and extends in the radial-direction of the stator core (10), and the insulator (20) has first projecting parts (20a) that fit into the first holes (12e) and second projecting parts (20b) that fit into the second holes (12f).
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Inventors:
TSUKAMOTO EMI (JP)
NIGO MASAHIRO (JP)
NIGO MASAHIRO (JP)
Application Number:
PCT/JP2020/024696
Publication Date:
December 30, 2021
Filing Date:
June 24, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K3/34; H02K1/16
Domestic Patent References:
| WO2018051407A1 | 2018-03-22 | |||
| WO2017134740A1 | 2017-08-10 |
Foreign References:
| JP2020092531A | 2020-06-11 | |||
| JP2016086544A | 2016-05-19 | |||
| JP5122002B2 | 2013-01-16 | |||
| JP2018098864A | 2018-06-21 | |||
| JP2012095492A | 2012-05-17 |
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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