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:
Mar. 29, 2022

Filed:

Jun. 26, 2018
Applicant:

Mitsuba Corporation, Gunma, JP;

Inventors:

Ryo Ohori, Gunma, JP;

Naoki Shioda, Gunma, JP;

Gensaku Yamakami, Gunma, JP;

Assignee:

MITSUBA Corporation, Gunma, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 21/16 (2006.01); H02K 1/278 (2022.01); B60S 1/08 (2006.01); H02K 29/03 (2006.01);
U.S. Cl.
CPC ...
H02K 1/278 (2013.01); H02K 21/16 (2013.01); B60S 1/08 (2013.01); H02K 29/03 (2013.01);
Abstract

A motor and a brushless wiper motor are provided. The motor () includes: a stator (); coils (); a shaft (); a rotor core (); magnets () which are disposed on an outer peripheral surface () of the rotor core () and a radial thickness of which at end portions () on both sides in the circumferential direction around the rotation axis is smaller than a radial thickness in a circumferential intermediate portion; and salient poles () that are formed between magnets () adjacent in the circumferential direction of the outer peripheral surface () of the rotor core () and protrude radially outward from the end portions () of the magnets () in the circumferential direction. The width dimensions of the salient poles () in the radial direction being set to 40° or less in a form of an electrical angle.


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