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. 13, 2019
Filed:
Feb. 15, 2016
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventor:
Doutaro Usui, Yokosuka, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 41/03 (2006.01); H02K 1/17 (2006.01);
U.S. Cl.
CPC ...
H02K 41/031 (2013.01); H02K 1/17 (2013.01); H02K 2213/03 (2013.01);
Abstract
A linear motor includes a movable element and a stator. The stator includes a pair of back yokes provided opposing each other such as to flank the movable element along a direction perpendicular to the movable element's axis of travel, a plurality of main pole magnets provided spaced apart from each other and paralleling the axis of travel, on respective inside lateral surfaces of the pair of back yokes, and first and second interpole magnets provided, adjoining along said axis of travel, in each of intervals between adjoining couples of the main pole magnets.