Title:
ROTOR AND ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/085033
Kind Code:
A1
Abstract:
A rotor according to an embodiment of the present invention comprises: a rotor core extending in the axis direction; permanent-magnet storing holes formed in the axis direction along the outer circumferential surface of the rotor core, in a vertical cross-section of the rotation axis of the rotor core; permanent magnets stored in the permanent-magnet storing holes; refrigerant passages that are formed, in the vertical cross-section, in communication with the permanent-magnet storing holes and along the permanent-magnet storing holes in the radially inner side of the rotor core with respect to the permanent-magnet storing holes, and that allow a refrigerant, which is for cooling the permanent magnets, to be enclosed; and a sheet that is provided, in each of the permanent-magnet storing holes, between the inner wall surface of the permanent-magnet storing hole and the surface of the permanent magnet, and that brings the permanent magnet in close contact with the inner wall surface.
Inventors:
NARITA MASANOBU (JP)
AOKI KAZUO (JP)
AOKI KAZUO (JP)
Application Number:
PCT/JP2023/036876
Publication Date:
April 25, 2024
Filing Date:
October 11, 2023
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (JP)
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (JP)
International Classes:
H02K1/276
Domestic Patent References:
| WO2015019402A1 | 2015-02-12 |
Foreign References:
| JP2021083222A | 2021-05-27 | |||
| JP2020115712A | 2020-07-30 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
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