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:
Apr. 07, 2015
Filed:
May. 19, 2011
Toshiyuki Onishi, Chiyoda-ku, JP;
Masafumi Okazaki, Chiyoda-ku, JP;
Katsumi Ohata, Chiyoda-ku, JP;
Akio Fujiwara, Chiyoda-ku, JP;
Wataru Hirosue, Chiyoda-ku, JP;
Toshiyuki Onishi, Chiyoda-ku, JP;
Masafumi Okazaki, Chiyoda-ku, JP;
Katsumi Ohata, Chiyoda-ku, JP;
Akio Fujiwara, Chiyoda-ku, JP;
Wataru Hirosue, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
The rotating electrical machine of the present invention includes: a magnet holder made of a non-magnetic material, which is formed by coupling a columnar portion for retaining the permanent magnet in a circumferential direction, and an annular portion for covering each axial side surface of the permanent magnet. The magnet holder includes, on an outer diameter side of both circumferential side surfaces of the columnar portion, engaging portions which engage with respective locking portions of the magnet cover, and includes, on an inner diameter side of each of both the circumferential side surfaces of the columnar portion, an extending portion extending along an inner peripheral surface of the magnet cover with a clearance (D) with respect to the inner peripheral surface of the magnet cover.