Cooled spiral winding for electrical rotating machine stator

Details Cooled spiral winding for electrical rotating machine stator Cooled spiral winding for electrical rotating machine stator

1977-05-26

1979-04-24

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 65, 310198, 310208, 310254, H02K 900

Patent

active

041514335

ABSTRACT:
An electrical rotating machine having winding coils with turns disposed in a pancake configuration which spirals outwardly about the axis of rotation of the machine. The coils are interleaved circumferentially about the axis with uniform and smooth inter-coil spacing for placement of electrical insulation of the type suitable for high voltage applications. The spiral pancake coils when assembled provide a generally cylindrical winding configuration which is conducive to being well-supported by the stator shield.

REFERENCES:
patent: 2243893 (1941-06-01), Blumlein
patent: 2783403 (1957-02-01), Schumaier
patent: 3324322 (1967-06-01), Johns
patent: 3870913 (1975-03-01), Shapiro
patent: 4019075 (1977-04-01), Kagami
"Neue Loesungswege zum Entwurf grosser Turbogeneratoren bis 2 GVA, 60 kV", by Gerhard Aichholzer, Eingelangt, 9-25-74.

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