Title:
回転電機
Document Type and Number:
Japanese Patent JP7411825
Kind Code:
B2
Abstract:
A rotating electric machine includes: a rotor core (22) that has magnet insertion holes (22b) (22c); permanent magnets (21) that are inserted into the magnet insertion holes (22b) (22c); and a groove (21cc) (21dc) that is formed in at least one of a plurality of non-magnetic pole surfaces (21c) (21d) of the permanent magnet (21) so as to allow a refrigerant (101) to flow through the groove (21cc) (21dc).
Inventors:
Hideaki Goto
Shigehisa Aoyagi
Takaki Itaya
Shigehisa Aoyagi
Takaki Itaya
Application Number:
JP2022557252A
Publication Date:
January 11, 2024
Filing Date:
August 31, 2021
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
International Classes:
H02K1/276
Domestic Patent References:
| JP2006014399A | ||||
| JP2003061282A |
Attorney, Agent or Firm:
Patent Attorney Corporation Kaichi
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