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:
Aug. 25, 2015
Filed:
Mar. 12, 2012
Applicants:
Shogo Makino, Fukuoka, JP;
Toru Shikayama, Fukuoka, JP;
Inventors:
Shogo Makino, Fukuoka, JP;
Toru Shikayama, Fukuoka, JP;
Assignee:
KABUSHIKI KAISHA YASKAWA DENKI, Kitakyushu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 41/03 (2006.01); H02K 1/22 (2006.01);
U.S. Cl.
CPC ...
H02K 41/033 (2013.01); H02K 1/223 (2013.01);
Abstract
A mover for a linear motor includes an armature having a plurality of teeth arranged along a line and wound with coils. The mover further includes a main-pole magnet array arranged at a side of the armature at which the teeth exist. The main-pole magnet array includes a plurality of main-pole magnets with different polarities alternately arranged along an arranging direction of the teeth. The mover further includes at least one auxiliary-pole magnet arranged adjacent to one end or both ends of the main-pole magnet array.