Title:
2重かご形回転子
Document Type and Number:
Japanese Patent JP5084980
Kind Code:
B1
Abstract:
A double-cage rotor having a rotor core that is constructed by laminating multiple laminated plates in a skewed manner, said laminated plate having multiple double slots that are provided on the periphery in the circumferential direction and each of which comprises an outer slot, an inner slot, and a slit for connecting the outer slot with the inner slot and has a metal conductor inserted therein, wherein the outer slot is formed into a triangular shape with the vertex being positioned on the outer side and the base being positioned on the inner side, and the base is formed with an arc that is centered on the rotation center of the double-cage rotor. Additionally, the three corners, including the vertex, of the triangular outer slot are rounded.
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Inventors:
Haruyuki Yoneya
Morita Misa
Kurata Yuji
Takuro Isoya
Fujita
Yoshino Yu
Hiroyuki Hasegawa
Morita Misa
Kurata Yuji
Takuro Isoya
Fujita
Yoshino Yu
Hiroyuki Hasegawa
Application Number:
JP2012528967A
Publication Date:
November 28, 2012
Filing Date:
April 06, 2012
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02K17/18; H02K1/26
Domestic Patent References:
| JP2011188703A | 2011-09-22 | |||
| JP2009124879A | 2009-06-04 | |||
| JPS63234850A | 1988-09-30 |
Foreign References:
| WO2009093345A1 | 2009-07-30 |
Attorney, Agent or Firm:
Hiroaki Sakai