Title:
ELECTRIC MOTOR FOR COMPRESSOR, COMPRESSOR, REFRIGERATION CYCLE DEVICE, AND MANUFACTURING METHOD FOR ELECTRIC MOTOR FOR COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2022/264318
Kind Code:
A1
Abstract:
Provided are an electric motor for a compressor, a compressor, a refrigeration cycle device, and a manufacturing method for the electric motor for a compressor. The electric motor for a compressor comprises a stator having a stator winding. The stator winding comprises: a first electric wire bundle that has a wire bundle-like first end portion formed by bringing together and twisting one end portions of a plurality of first electric wires and that has a first end surface at the leading end of the first end portion; a second electric wire bundle that is formed from a plurality of second electric wires and that has a second end portion helically wound around the first end portion of the first electric wire bundle; and an insulating material that covers the first end portion and the second end portion. The second end portion is wound so as to cover an edge of the first end surface of the first electric wire bundle, the second electric wire bundle has a second end surface at the leading end of the second end portion, and the second end surface of the second electric wire bundle is positioned within a circular profile formed by the outer circumferential surface of the second end portion.
Inventors:
ONO MASASHI (JP)
Application Number:
PCT/JP2021/022891
Publication Date:
December 22, 2022
Filing Date:
June 16, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K3/02; H01R4/00; H02K3/50; H02K15/04
Domestic Patent References:
| WO2017130288A1 | 2017-08-03 | |||
| WO2015155934A1 | 2015-10-15 |
Foreign References:
| JP2002044892A | 2002-02-08 | |||
| JPH0522886A | 1993-01-29 | |||
| JP2014007173A | 2014-01-16 | |||
| JP2017076497A | 2017-04-20 | |||
| JP2015216728A | 2015-12-03 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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