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:
Jul. 31, 2012
Filed:
Jul. 30, 2010
Jan Zywot, Centerville, OH (US);
Xiaochuan Jia, Centerville, OH (US);
Norman K. Austin, West Chester, OH (US);
Jan Zywot, Centerville, OH (US);
Xiaochuan Jia, Centerville, OH (US);
Norman K. Austin, West Chester, OH (US);
GE Aviation Systems, LLC, Grand Rapids, MI (US);
Abstract
A high-speed sleeveless rotor for an electric machine is provided. The rotor includes a shaft rotatable about a longitudinal axis, and a rotor core circumscribing at least a portion of the shaft wherein the rotor core includes an axially oriented slot. The slot includes a radially outer slot opening, a radially inner slot floor, and a slot sidewall extending therebetween. The slot floor includes a topstick attachment member extending radially outward from the slot floor and configured to engage a topstick positioned in the slot opening and the slot sidewall includes a shoulder configured to engage the topstick, preventing radially outward movement of the topstick.