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.

Date of Patent:
Oct. 30, 2018

Filed:

Oct. 23, 2015
Applicant:

Jtekt Corporation, Osaka-shi, Osaka, JP;

Inventors:

Ryosuke Yamaguchi, Kariya, JP;

Keita Nimura, Okazaki, JP;

Koji Tachi, Kariya, JP;

Assignee:

JTEKT CORPORATION, Osaka-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 15/03 (2006.01); H02K 15/12 (2006.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); H02K 1/2766 (2013.01); H02K 15/12 (2013.01);
Abstract

An interior permanent magnet rotor includes a cylindrical rotor core having an axial hole extending in an axial direction, and a resin magnet that is formed to fill the axial hole by injection molding and that has a pair of axial end faces. The resin magnet includes a linear portion that has a linear shape in section perpendicular to the axial direction of the rotor core. The linear portion has a first end and a second end located closer to an outer periphery of the rotor core than the first end is. A gate mark is located on the second end of the linear portion on at least one of the axial end faces of the resin magnet.


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