| 摘要 |
PURPOSE:To obtain a rigid superconducting rotor, wherein a cooling structure for a superconducting magnetic field coil is simplified, by protruding one end of a heat transmitting member, which comes into contact thermally with a superconducting magnetic field coil, from a vacuum vessel and cooling said protruding part. CONSTITUTION:A superconducting field coil 1 is built in a cylinder 7, and the cylinder 7 provides in its inside heat transmitting members 17 one end of which is brought into contact thermally with the superconducting field coil 1. The other end of the heat trnasmitting member 17 is protruding from the end part shaft 4 of the cylinder 7, forming a protruding part 17a. By cooling the protruding part 17a, the superconducting field coil 1 is indirectly cooled. By this structure thus obtained, a refrigerant circulating system line, for cooling the superconducting field coil 1 is simplified while the rigidity of a rotor is increased by the simplification.
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