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:
Nov. 20, 2018
Filed:
Jul. 28, 2016
Applicants:
Fumihiro Shimizu, Kanagawa, JP;
Takashi Hashimoto, Kanagawa, JP;
Hiroshi Koide, Kanagawa, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 37/10 (2006.01); H02P 21/18 (2016.01); H02K 21/14 (2006.01); H02K 21/16 (2006.01); H02K 1/27 (2006.01); H02K 1/24 (2006.01);
U.S. Cl.
CPC ...
H02P 21/18 (2016.02); H02K 1/2733 (2013.01); H02K 21/145 (2013.01); H02K 21/16 (2013.01); H02K 1/246 (2013.01);
Abstract
To manufacture a permanent magnetic motor having saliency at a low cost, a permanent magnet motor includes a stator provided with an armature winding configured to form a plurality of phases, a rotor having a surface facing the stator, the rotor including a permanent magnet disposed to face the stator, the permanent magnet having a plurality of magnetic poles arranged in a circumferential direction of the rotor, and a conductive member made of a conductive material and disposed on the surface of the rotor facing the stator.