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:
Nov. 23, 2021

Filed:

Jul. 07, 2017
Applicant:

Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;

Inventors:

Genzo Iwaki, Tokyo, JP;

Kazuo Nishihama, Tokyo, JP;

Katsuya Hirata, Tokyo, JP;

Atsushi Abe, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/493 (2006.01); H02K 15/12 (2006.01); H02K 15/00 (2006.01);
U.S. Cl.
CPC ...
H02K 3/493 (2013.01); H02K 15/0018 (2013.01); H02K 15/12 (2013.01);
Abstract

Provided is a rotary electric machine that achieves high motor efficiency with little loss. This rotary electric machine is equipped with: a stator core arranged opposing the circumferential surface of a rotor, and in which multiple slots, wherein openings opening toward the rotor are formed, are formed in the circumferential direction; and coils inserted into the slots. A mixture of a soft magnetic powder and a resin material is formed in the openings of the slots, and the relative permeability of the mixture is 5-35.


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