Title:
ROTOR AND MOTOR
Document Type and Number:
Japanese Patent JP2020178380
Kind Code:
A
Abstract:
To provide a rotor having enhanced cooling performance.SOLUTION: A rotor 100 comprises a rotor core 102 which has a plurality of slots 102a and a fixed shaft 101, conductor bars 106 formed in the slots 102a, conductor end rings 103 which are arranged at both ends in the axial direction of the shaft 101 of the rotor core 102 and connected with the conductor bars 106, and at least one cooling fin 104 which extends from the conductor end ring 103 in the axial direction of the shaft 101 and in the opposite direction of the conductor bar 106 and is provided with an uneven shape 105 on the surface. The conductor bars 106, the conductor end rings 103 and the cooling fin 104 are integrally molded.SELECTED DRAWING: Figure 3
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Inventors:
SAKAE KENICHI
MORIYA DAIKI
OKUMA MASAAKI
MORIYA DAIKI
OKUMA MASAAKI
Application Number:
JP2019076839A
Publication Date:
October 29, 2020
Filing Date:
April 15, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02K9/06; H02K17/16
Domestic Patent References:
| JPS59189471U | 1984-12-15 | |||
| JPS63209452A | 1988-08-31 | |||
| JP2014158342A | 2014-08-28 | |||
| JPS6464538A | 1989-03-10 |
Foreign References:
| KR20050045160A | 2005-05-17 |
Attorney, Agent or Firm:
Jun Takamura