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:
Sep. 07, 2010
Filed:
Jul. 27, 2007
Timothy J. Alfermann, Noblesville, IN (US);
Arthur L. MC Grew, Jr., Indianapolis, IN (US);
Ahmed M. El-antably, Indianapolis, IN (US);
Charles B. Lucas, Indianapolis, IN (US);
Mark L Anderson, Carmel, IN (US);
Timothy J. Alfermann, Noblesville, IN (US);
Arthur L. Mc Grew, Jr., Indianapolis, IN (US);
Ahmed M. El-Antably, Indianapolis, IN (US);
Charles B. Lucas, Indianapolis, IN (US);
Mark L Anderson, Carmel, IN (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
Provided are stir-welded rotors and methods of making these. An exemplary stir-welded rotor may include a stack of laminations that each has spaced-apart slots arrayed on an outer circumference. The slots register with slot bars that each has a first extremity extending above the stack of laminations and a second extremity extending below the stack of laminations. A first weld extends between first extremities of adjacent slot bars, and a second stir weld extending between adjacent second extremities of adjacent slot bars.