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:
Mar. 23, 2004
Filed:
Nov. 09, 2000
Applicant:
Inventors:
Dai Gil Lee, Taejon, KR;
Seung Hwan Chang, Taejon, KR;
Assignee:
Korea Advanced Institute of Science and Technology, Taejon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/32 ; H02K 1/716 ;
U.S. Cl.
CPC ...
H02K 1/32 ; H02K 1/716 ;
Abstract
Disclosed herein is, a composite squirrel cage rotor having a polymer resin part containing powder of high magnetic permeability and method for fabricating it. The composite squirrel cage rotor includes a rotating shaft, an inner core, a polymer resin part that fills the cavity of the squirrel cage conductor and contains powder of high magnetic permeability. A squirrel cage conductor is positioned outer to portion of the polymer resin part, is formed of, material having high electric conductivity, and provided with a plurality of axial slots.