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. 26, 2013
Filed:
Apr. 13, 2010
Shi Uk Chung, Changwon, KR;
DO Hyun Kang, Changwon, KR;
Byung Chul Woo, Changown, KR;
Ji Won Kim, Busan, KR;
Ji Young Lee, Changwon, KR;
Seung Ryul Moon, Changwon, KR;
Shi Uk Chung, Changwon, KR;
Do Hyun Kang, Changwon, KR;
Byung Chul Woo, Changown, KR;
Ji Won Kim, Busan, KR;
Ji Young Lee, Changwon, KR;
Seung Ryul Moon, Changwon, KR;
Korea Electrotechnology Research Institute, Changwon, KR;
Abstract
Disclosed herein is a structure for linear and rotary electric machines. The present invention provides a modular mover structure which includes coils that have an electrical phase difference of 180°, so that the path of magnetic flux is shortened, thus reducing the size of the machine and mitigating the back-EMF unbalance. The modular mover structure can be modified into various shapes. For example, when a skew structure is applied to a mover or stator iron core, the force ripples in an electric machine can be reduced. In addition, when a hinge structure is applied to a modular mover iron core, the mover can move in a linear and curved manner. The structure of the present invention can be applied to a rotary electric machine. In this case, because the number of poles is easily increased, a low speed high torque direct drive type rotary electric machine is realized.