High power generator with enhanced stator heat removal

Details High power generator with enhanced stator heat removal High power generator with enhanced stator heat removal

2006-02-21

2008-10-21

Zarroli, Michael C (Department: 2839)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S054000, C310S065000

Reexamination Certificate

active

07439646

ABSTRACT:
A high speed, high power generator has its main stator configured with one or more reduced-diameter sections. The generator includes a generator housing, a main rotor, and a main stator. The generator housing has a main stator cooling flow passage formed therein that is configured to receive a flow of a cooling medium. The main rotor is rotationally mounted in the generator housing. The main stator is mounted within the generator housing and surrounds at least a portion of the main rotor. The main stator includes a stator core coupled to the generator housing adjacent the main stator cooling flow passage, and includes two or more nominal-diameter sections and one or more reduced-diameter sections. The nominal-diameter sections each have a first outer diameter, and the reduced-diameter sections, each have a second outer diameter that is less than the first diameter. Each reduced-diameter section is disposed between two nominal-diameter sections and is in fluid communication with the stator cooling flow passage.

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