The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2021
Filed:
May. 19, 2017
Central Japan Railway Company, Nagoya, JP;
Toshiba Infrastructure Systems & Solutions Corporation, Kawasaki, JP;
Kenji Sato, Nagoya, JP;
Takafumi Fukushima, Nagoya, JP;
Daisuke Misu, Tama, JP;
Makoto Matsushita, Fuchu, JP;
Toshio Hasebe, Hachioji, JP;
CENTRAL JAPAN RAILWAY COMPANY, Nagoya, JP;
Toshiba Infrastructure Systems & Solutions Corporation, Kawasaki, JP;
Abstract
A cage induction motor includes a rotor core that is rotatable about a central axis, and a shaft to which the rotor core is fixed. The rotor core includes an annular yoke and a plurality of spokes. The yoke supports at least one conductor. The plurality of spokes are arranged apart from one another in a circumferential direction of the yoke, are provided between the yoke and the shaft, and support the yoke.