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:
Jun. 24, 2014
Filed:
Sep. 24, 2010
Applicants:
Yuhito Doi, Tokyo, JP;
Takehisa Minowa, Tokyo, JP;
Hajime Nakamura, Tokyo, JP;
Koichi Hirota, Tokyo, JP;
Inventors:
Yuhito Doi, Tokyo, JP;
Takehisa Minowa, Tokyo, JP;
Hajime Nakamura, Tokyo, JP;
Koichi Hirota, Tokyo, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An interior permanent magnet (IPM) rotary machine comprises a rotor comprising a rotor yoke having bores and a plurality of permanent magnet segments disposed in the bores of the rotor yoke, each permanent magnet segment consisting of a plurality of magnet pieces. The rotor is assembled by inserting the plurality of unbound magnet pieces in each bore for stacking the magnet pieces, and fixedly securing the stacked magnet pieces in the bore.