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:
May. 22, 2012
Filed:
Mar. 19, 2009
Applicants:
Timothy J. Alfermann, Noblesville, IN (US);
Arthur L. Mcgrew, Jr., Indianapolis, IN (US);
Ahmed M. El-antably, Carmel, IN (US);
Inventors:
Timothy J. Alfermann, Noblesville, IN (US);
Arthur L. McGrew, Jr., Indianapolis, IN (US);
Ahmed M. El-Antably, Carmel, IN (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/00 (2006.01); H02K 15/09 (2006.01); H02K 17/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a squirrel-cage rotor includes: providing a laminated stack; attaching a plurality of rotor bars to the laminated stack, wherein the plurality of rotor bars each include opposite longitudinal ends; and die-casting a pair of end rings at the longitudinal ends of the plurality of rotor bars.