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:
Apr. 07, 2015
Filed:
Jun. 26, 2012
Applicant:
Yuqi Tang, Nagano, JP;
Inventor:
Yuqi Tang, Nagano, JP;
Assignee:
Sanyo Denki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 41/03 (2006.01); H02K 1/12 (2006.01); H02K 3/47 (2006.01);
U.S. Cl.
CPC ...
H02K 41/031 (2013.01); H02K 1/12 (2013.01); H02K 3/47 (2013.01); H02K 2213/03 (2013.01);
Abstract
Provided herein is a linear motor in which a back yoke can readily be mounted onto a linear motor body. The linear motor body is surrounded or wrapped by the back yoke that works to form part of a magnetic circuit of the linear motor body. The back yoke assembly includes first and second divided assemblies. The first and second divided assemblies have the same dimension and shape, and are each formed by press working a silicon steel plate or a magnetic plate made of SPCC material.