Patent ID: 6417586
Filing Date: 2002-07-09
Classification: H02K

Abstract:
A gas cooled dynamoelectric machine, comprising:a rotor having a body portion, said rotor having axially extending coils and endwindings extending axially beyond at least one end of said body portion; a plurality of spaceblocks disposed between said endwindings; a plurality of cavities being defined between mutually adjacent endwindings and spaceblocks; at least one said spaceblock having a radially-extending duct defined therein, said duct extending between an inlet opening and an outlet opening; and wherein said outlet opening is disposed in a surface of said at least one spaceblock facing a cavity adjacent thereto, said outlet opening being defined in a mid-section of said spaceblock so as to emit said cooling gas flow generally in a direction of a central region of said cavity, wherein said inlet opening is formed on a circumferentially oriented surface of said at least one spaceblock.