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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.:

US 11121596 B1

PDFFull Text
Date of Patent:
Sep. 14, 2021

Filed:

Feb. 23, 2017

Stator of brushless motor, brushless motor, and method of manufacturing stator of brushless motor

Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Akihisa Hattori, Kariya, JP;

Yoji Yamada, Kariya, JP;

Koji Mikami, Kariya, JP;

Seiya Yokoyama, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Tulsidas C Patel

Assistant Examiner:

Robert E Mates

Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 1/14 (2006.01); H02K 15/02 (2006.01); H02K 3/52 (2006.01); H02K 3/18 (2006.01);
U.S. Cl.
CPC ...
H02K 1/2793 (2013.01); H02K 1/145 (2013.01); H02K 3/18 (2013.01); H02K 3/525 (2013.01); H02K 15/022 (2013.01);
Abstract

A stator of a brushless motor includes a stator core and a plurality of coils. The stator core includes a base portion having an annular plate shape and a plurality of teeth protruding from one surface of the base portion in an axial direction and disposed in a circumferential direction. The plurality of coils is respectively wound by concentrated winding along peripheral surfaces of the plurality of teeth. The base portion includes an inner circumferential edge that is recessed radially outward from an inner end of each of the plurality of teeth or the base portion includes an outer circumferential edge that is recessed radially inward from an outer end of each of the plurality of teeth.

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Hattori, Akihisa. (2021). Stator of brushless motor, brushless motor, and method of manufacturing stator of brushless motor (U.S. Patent No. 11121596). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11121596

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