Rotary electric machine with forced ventilation

Details Rotary electric machine with forced ventilation Rotary electric machine with forced ventilation

2005-06-21

2005-06-21

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S089000, C310S216006, C310S256000

Reexamination Certificate

active

06909211

ABSTRACT:
The present invention provides an electric machine with forced ventilation, the machine comprising:a rotor capable of rotating about an axis of rotation;a stator within which the rotor can rotate, said stator comprising a stack of laminations presenting slots housing windings; anda fan, in particular a fan that is capable of rotating independently of the rotor;the laminations being configured to form cooling channels in which a stream of cooling air generated by the fan can flow, and the stack being disposed between two spacers interconnected by bars.

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W. Hartmann et al., “Universelles Beluftungssystem fur die neue Generation VEM-Drehstrom-Hauptantriebe” ELEKTRIE, 1993, pp 465-469.

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