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. 08, 2018
Filed:
Oct. 18, 2013
Mitsubishi Electric Corporation, Tokyo, JP;
Hiroki Aso, Tokyo, JP;
Yuto Urabe, Tokyo, JP;
Kazunori Sakanobe, Tokyo, JP;
Mineo Yamamoto, Tokyo, JP;
Hiroyuki Ishii, Tokyo, JP;
Junichiro Oya, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
To provide an electric-motor rotor including a cylindrical yoke, a resin magnet portion that is formed from resin magnet integrally with the outer periphery of the yoke, a position-detecting magnet that is located on one axial-end side of the resin magnet portion, a plurality of seats that are formed on the axial end surface of the yoke on the side of the position-detecting magnet, each of which includes a pair of protruding portions, and an opening formed between the protruding portions, and a seat connecting portion that is formed with the seats on its top surface, wherein a ribbed runner that supplies the resin magnet to the resin magnet portion through the opening is provided at the opening to form, along with the seat, a seat portion that places thereon the position-detecting magnet.