Title:
STATOR, ELECTRIC MOTOR, COMPRESSOR, REFRIGERATION AIR-CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2017/208291
Kind Code:
A1
Abstract:
This stator (100) is provided with a first core (10) having multiple laminated non-grain-oriented electrical steel sheets and having a through-hole (11d) passing through the multiple non-grain-oriented electrical steel sheets in the axial direction of the stator, and a second core (20) arranged inside of the insertion hole (11d) and comprising multiple laminated grain-oriented electrical steel sheets, wherein the first core (10) has a side wall (11e) which is adjacent to the lateral surface of the second core (20) that extends in the axial direction of the stator, and the side wall (11e) has openings (11f) which expose the lateral surface of the second core (20).
Inventors:
BABA KAZUHIKO (JP)
NIGO MASAHIRO (JP)
NIGO MASAHIRO (JP)
Application Number:
PCT/JP2016/065876
Publication Date:
December 07, 2017
Filing Date:
May 30, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/18; H02K1/02
Foreign References:
| JP2000341889A | 2000-12-08 | |||
| JP2010207028A | 2010-09-16 |
Attorney, Agent or Firm:
MAEDA Minoru et al. (JP)
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