Dynamoelectric machine having improved ventilation

Details Dynamoelectric machine having improved ventilation Dynamoelectric machine having improved ventilation

1991-05-15

1993-01-26

Voeltz, Emanuel T.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 58, H02K 500

Patent

active

051824825

ABSTRACT:
The present invention provides a dynamoelectric machine having an improved ventilation system including a housing using accurately sized openings which permit efficient intake and exhaust of coolant, while restricting inadvertent access to the interior of the housing without external attachments. The openings are integrally cast in the yoke and extend upwardly to prevent entry of precipitation.

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Siemens "500 Frame Motors" Brochures IMD-3229 May 1990 and; IMD-3230 May 1990.

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