Title:
回転電機及び回転子
Document Type and Number:
Japanese Patent JP5664936
Kind Code:
B2
Abstract:
A rotary electric apparatus having a stator and a rotor is provided. The rotor includes a rotor core provided with slots extending in an axial direction of the rotor core, and rotor bars arranged in the slots, respectively. The slot and the rotor bar include, in a transverse cross section which is cut perpendicular to a rotation shaft of the rotor, a plurality of convex portions or a plurality of concave portions in at least one of both end faces in a circumferential direction, respectively. The rotor core may further include an outer edge portion extending in the circumferential direction so that it exposes a radially outer portion of the slot and covers the rest.
Inventors:
下野 博史
諫山 正剛
諫山 正剛
Application Number:
JP2012256457A
Publication Date:
February 04, 2015
Filing Date:
November 22, 2012
Export Citation:
Assignee:
株式会社安川電機
International Classes:
H02K17/16
Attorney, Agent or Firm:
Hirofumi Masuda
Hiroyuki Masuda
Hiroyuki Masuda