| 摘要 |
The rotor of an electrical machine comprises two concentric parts one of which, preferably the outer part being in a region of normal temperature, the other part of the rotor, preferably the inner part being in a region of low temperature and provided with a superconducting winding. The two parts of the rotor are rigidly joined together at one end thereof, preferably at the driving end whereas at the other end of the rotor, preferably the non-driving end, the two rotor parts are provided with their own bearing journals located in a bearing box common to both journals.
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