Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-08-24
1980-12-02
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310261, 403220, H02K 900
Patent
active
042373921
ABSTRACT:
A rotor is provided for an alternating current generator having a superconducting field winding. The rotor consists of a cylindrical outer member and a cylindrical inner member disposed coaxially inside the outer me mber. The inner rotor member carries a superconducting field winding and is cooled to maintain the winding temperature at superconducting temperatures during operation. The inner rotor member is rigidly attached at one end to the outer member and at the other end, which is the drive end, a connection is provided between the inner and outer members which has sufficient axial flexibility to allow large differential thermal expansion and contraction of the inner member, and which has sufficient torsional stiffness to transmit driving torque between the members. The flexible connection is preferably a laminated structure made up of thin slotted laminations having elements extending radially between the two rotor members and a driving connection to the inner member.
REFERENCES:
patent: 3985000 (1976-10-01), Hartz
patent: 4060742 (1977-11-01), Litz
patent: 4092555 (1978-05-01), Ying
patent: 4117357 (1978-09-01), Baumann
patent: 4123676 (1978-10-01), Cooper
patent: 4152609 (1979-05-01), Cooper
Baumann Kai J.
Smith, Jr. Joseph L.
Ying Sui-chun
Skudy R.
Telfer G. H.
Westinghouse Electric Corp.
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