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:
Apr. 04, 2017

Filed:

Nov. 27, 2013
Applicant:

Sanyo Denki Co., Ltd., Tokyo, JP;

Inventors:

Yukio Miura, Tokyo, JP;

Masaaki Oohashi, Tokyo, JP;

Kouji Nakatake, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/52 (2006.01); H02K 3/38 (2006.01);
U.S. Cl.
CPC ...
H02K 3/38 (2013.01); H02K 3/522 (2013.01); H02K 2203/03 (2013.01);
Abstract

Electrical insulation properties of winding start ends or terminal ends of insulating coating electric wires of coils wound around polar teeth of a stator core are improved, and creeping and spatial distances for electrical insulation are secured. Wall portions which project toward an interior of a radial direction or an exterior of an axial direction of a stator core and which have electrical insulation properties are formed in an inner peripheral portion of the stator core of a motor, groove portions are formed in the wall portions and winding start ends or terminal ends of insulating coating electric wires of coils are arranged in the groove portions.


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