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:
Sep. 24, 2024

Filed:

Feb. 21, 2022
Applicant:

Minebea Mitsumi Inc., Nagano, JP;

Inventor:

Makoto Otsuka, Nagano, JP;

Assignee:

MINEBEA MITSUMI Inc., Nagano, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/278 (2022.01); H02K 1/14 (2006.01); H02K 1/16 (2006.01);
U.S. Cl.
CPC ...
H02K 1/278 (2013.01); H02K 1/146 (2013.01); H02K 1/16 (2013.01); H02K 2213/03 (2013.01);
Abstract

A motorincludes a stator having an annular shape; and a rotor including a rotor magnet surrounding the stator, wherein an outer diameter of the rotor is in a range from 80 mm to 100 mm, the stator includes a yoke having an annular shape, a plurality of magnetic pole portions, a plurality of coupling portions connecting the yoke and the plurality of magnetic pole portions to each other, and a plurality of coils each wound around each of the plurality of coupling portions, the rotor magnet is continuously formed of a resin in an annular shape, the number of magnet poles of the rotor magnet is 14×N (pieces) (where N is a positive integer), the number of the plurality of magnetic pole portions is 12×N (pieces), and each of the plurality of magnetic pole portions extends in a circumferential direction.


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