Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1976-02-13
1978-05-23
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 42, 310262, H02K 346
Patent
active
040913015
ABSTRACT:
A rotor end-winding support for a high-speed electrical machine such as a turbogenerator in the form of an end bell which surrounds the end-winding and comprises two concentric rings. The inner ring made, for example, from a high-strength antimagnetic steel is shrunk into the rotor body and secured against axial displacement. The outer ring, made, for example, from a carbon-fibre-reinforced material or a nonmagnetic e.g. titanium alloy having a high ratio of strength to specific weight, is either shrunk onto the inner ring or expanded hydraulically to permit a slipover fit. The division of the end bell structure into a number of concentrically arranged components makes it possible to use combinations of materials, the respective component rings being allotted functions which correspond to their particular properties.
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patent: 3395299 (1968-07-01), Quay
patent: 3427488 (1969-02-01), Terry
patent: 3476966 (1969-11-01), Willyoung
BBC Brown Boveri & Company Limited
Skudy R.
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