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:
Jun. 26, 2001
Filed:
Feb. 09, 2000
Applicant:
Inventor:
Edmund E. Kazmierczak, Schenectady, NY (US);
Assignee:
General Electric Co., Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/32 ;
U.S. Cl.
CPC ...
H02K 1/32 ;
Abstract
A cooling gas ventilation circuit is provided for an endwinding of a rotary machine having a rotor and a plurality of coils seated in radial slots provided in the rotor. The coils each comprise a plurality of radially stacked turns, the coils extending beyond a pole face of the rotor to form an endwinding with longitudinal cavities between the coils. A substantially cylindrical baffle ring covers the radially innermost turns of the plurality of coils in the endwinding, and has a plurality of holes therein aligned with at least one of the longitudinal cavities between the coils.