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. 14, 2017
Filed:
Sep. 21, 2016
Shanghai Xpt Technology Limited, Shanghai, CN;
Ruilin Ray Chen, Troy, MI (US);
Jifei Ma, Tianmen, CN;
Shanghai XPT Technology Limited, Shanghai, CN;
Abstract
A rotor of an induction motor includes a core assembly including a plurality of core discs formed with a plurality of slots; a plurality of conductive bars passing through the slots, each of the conductive bars having a first end and a second end respectively extended out of a first end surface and a second end surface of the core assembly; a first end ring assembly including a plurality of first conductive rings stacked on each other and penetrated by the first ends of the conductive bars; and a second end ring assembly including a plurality of second conductive rings stacked on each other and penetrated by the second ends of the conductive bars; wherein the first conductive rings and the second conductive rings are respectively welded to the first ends and the second ends of the conductive bars by electron beam welding or laser welding.