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:
Jan. 29, 2013
Filed:
Nov. 25, 2008
Norio Takahashi, Yokohama, JP;
Mikio Takabatake, Yokohama, JP;
Masanori Arata, Yokohama, JP;
Kazuto Sakai, Yokosuka, JP;
Yutaka Hashiba, Yokosuka, JP;
Wataru Ito, Inobe-gun, JP;
Tadashi Tokumasu, Setagaya-ku, JP;
Masakatsu Matsubara, Mie-gun, JP;
Norio Takahashi, Yokohama, JP;
Mikio Takabatake, Yokohama, JP;
Masanori Arata, Yokohama, JP;
Kazuto Sakai, Yokosuka, JP;
Yutaka Hashiba, Yokosuka, JP;
Wataru Ito, Inobe-gun, JP;
Tadashi Tokumasu, Setagaya-ku, JP;
Masakatsu Matsubara, Mie-gun, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Industrial Products Manufacturing Corporation, Mie-gun, JP;
Abstract
A rotor for a rotating electrical machine suppresses demagnetization of permanent magnets without deteriorating motor characteristics, is low-cost, and is highly reliable. The rotor has a plurality of rotor cores that are stacked together, a plurality of permanent magnets axially divided by the rotor cores and circumferentially arranged on each of the rotor cores, to circumferentially form magnetic irregularities, and a rotor blank made of nonmagnetic material arranged between those of the rotor cores that are adjacent to each other.