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:
Nov. 01, 2011
Filed:
Apr. 23, 2009
Eric Steven Buskirk, Guilderland, NY (US);
Curtis Maurice Hebert, Scotia, NY (US);
Eric Steven Buskirk, Guilderland, NY (US);
Curtis Maurice Hebert, Scotia, NY (US);
General Electric Company, Schenectady, NY (US);
Abstract
A radial duct for a dynamoelectric machine having a rotor, and a plurality of radial slots in the rotor is provided. A plurality of coils are respectively seated in the radial slots, and the coils form a plurality of radially stacked turns. The radial duct includes one or more cooling slots defined in at least a portion of the radially stacked turns, and extend in a substantially radial direction to the rotor. At least a portion of an interior surface of one or more cooling slots includes one or more ribs for enhanced heat transfer.