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:
Sep. 17, 2024
Filed:
Feb. 11, 2022
Applicant:
Sanyo Denki Co., Ltd., Tokyo, JP;
Inventors:
Mai Shimizu, Tokyo, JP;
Takashi Matsushita, Tokyo, JP;
Assignee:
SANYO DENKI CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/34 (2006.01); H02K 3/30 (2006.01); H02K 3/52 (2006.01); H02K 15/095 (2006.01); H02K 21/14 (2006.01);
U.S. Cl.
CPC ...
H02K 3/522 (2013.01); H02K 3/34 (2013.01); H02K 15/095 (2013.01); H02K 21/14 (2013.01);
Abstract
There is provided a motor armature winding structure that includes a filleted portion including a curved surface, the filleted portion is formed on at least one of corner portions at four corners of a bobbin side wall surface where a wire is wound, and the curved surface has a curvature radius that decreases from a winding start position toward a winding end position in a first layer of the wires wound on the bobbin side wall surface.