Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
Method for removing a crack in an electromechanical rotor
A method for removing a crack in an electromechanical rotor, including: forming a plurality of slots on a periphery of a core portion of an electromechanical rotor along an axial direction thereof; inserting coils into the slots, respectively; forming a plurality of wedges for maintaining the coils in the slots, respectively; and forming a cut hole at at least a part of the core portion from an outer surface of the core portion toward the side of a center axis thereof so as to contain a crack along a circumferential direction thereof.
Kabushiki Kaisha Toshiba
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Kazuhiro Hiromichi Yomei Koji Yasuo Ryoji Toshio Hiroaki Kaname Hideki
Saito Ito Yoshioka Matsuyama Kabata Nagano Kitajima Koinuma Hirai Chiba