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:
Feb. 09, 2016
Filed:
Aug. 29, 2012
Jung Ik Ha, Seoul, KR;
Sung Min Kim, Pyeongtaek-si, KR;
Seung Ki Sul, Seoul, KR;
Yong Su Han, Daejeon, KR;
Jung Ik Ha, Seoul, KR;
Sung Min Kim, Pyeongtaek-si, KR;
Seung Ki Sul, Seoul, KR;
Yong Su Han, Daejeon, KR;
SNU R&DB FOUNDATION, Seoul, KR;
Abstract
A single external power supply variable speed induction motor and a control method thereof are disclosed. An induction motor includes: a stator in which coils directly connected to a single-phase or 3-phase or more systematic power supply are wound; a rotor that is supported to be rotatable in the stator; a power conversion device that is attached to the rotor and controls a rotor current without connection of a separate external power supply; and a control circuit that is connected to the power conversion device and controls the power conversion device.