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:
Mar. 27, 2018
Filed:
Mar. 07, 2014
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Hiroaki Kawasaki, Osaka, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/16 (2006.01); H02K 1/27 (2006.01); H02K 7/00 (2006.01); H02K 11/00 (2016.01); H02K 1/30 (2006.01); H02K 11/33 (2016.01); H02K 5/173 (2006.01);
U.S. Cl.
CPC ...
H02K 5/161 (2013.01); H02K 1/276 (2013.01); H02K 1/278 (2013.01); H02K 1/30 (2013.01); H02K 7/003 (2013.01); H02K 11/0073 (2013.01); H02K 5/1732 (2013.01); H02K 11/33 (2016.01);
Abstract
An electric motor () includes stator (), rotor () including rotation body (), a pair of bearings (), and a pair of brackets (). Rotation body () includes outer iron core (), inner iron core (), and dielectric layer (). Outer iron core () is located in the outer side of rotation body (). Inner iron core () is fixed to shaft (). Dielectric layer () is located between outer iron core () and inner iron core () and includes at least two dielectric bodies different in dielectric constant.