Reduction of windage noise in dynamoelectric machines

Details Reduction of windage noise in dynamoelectric machines Reduction of windage noise in dynamoelectric machines

1997-09-24

1999-03-23

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, H02K 900

Patent

active

058864350

ABSTRACT:
This apparatus is directed to reduction in emitted windage sound in dynamoelectric machines by detuning cavities formed in the ventilation spaces of the machine.

REFERENCES:
patent: 925271 (1909-06-01), Behrend
patent: 3171996 (1965-03-01), Alger et al.

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