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:
Dec. 16, 2014
Filed:
Apr. 09, 2012
Applicants:
Song Bon OH, Gyunggi-do, KR;
Jong Ryeol OH, Seoul, KR;
Inventors:
Song Bon Oh, Gyunggi-do, KR;
Jong Ryeol Oh, Seoul, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/06 (2006.01); H02K 1/14 (2006.01); H02K 29/03 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
H02K 21/222 (2013.01); H02K 1/146 (2013.01); H02K 29/03 (2013.01);
Abstract
There is provided a stator core formed by stacking a plurality of single core sheets, each including a coreback having a central hole formed therein, a plurality of tooth parts extended from the coreback in a radial direction, and extension parts extended from the plurality of respective tooth parts in a circumferential direction, wherein at least one of the plurality of single core sheets includes through-holes formed therein in order to reduce cogging torque, the through-holes being formed in the extension parts.