Cooling of dynamoelectric machines

Details Cooling of dynamoelectric machines Cooling of dynamoelectric machines

1985-10-25

1986-09-09

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 61, 310 63, 310 64, 310261, 165 89, H02K 900

Patent

active

046111379

ABSTRACT:
Windage losses due to coolant flowing to the air gap 24 of a dynamoelectric machine having a stator 10 and a rotor 18 are avoided by providing the end faces 28, 30 of the rotor 18 with radially inwardly opening grooves 38 which receive pitot pumps 40. The grooves 38 collect coolant under the influence of centrifugal force and the pitot pumps 40 collect coolant from the associated groove 38 to convey the same to a pressure pump 31.

REFERENCES:
patent: 2643099 (1953-06-01), Kinride et al.
patent: 3093080 (1963-06-01), Tarifa et al.
patent: 4267964 (1981-05-01), Williams
patent: 4284913 (1981-08-01), Barnhardt
patent: 4394593 (1983-07-01), Gocho
patent: 4448042 (1984-05-01), Yamaguchi et al.
patent: 4471249 (1984-09-01), Okamoto et al.

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