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SUPERCONDUCTING APPARATUS

  • US 20100148894A1
  • Filed: 12/16/2009
  • Published: 06/17/2010
  • Est. Priority Date: 12/17/2008
  • Status: Active Grant
First Claim
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1. A superconducting apparatus, comprising:

  • a magnetic field generating portion including a superconducting coil that generates a magnetic flux;

    an extremely low temperature generating portion maintaining the superconducting coil at an extremely low temperature and maintaining the superconducting coil in a superconducting state;

    a container defining a heat insulation chamber that accommodates the superconducting coil;

    a first terminal electrically connected to the superconducting coil and supplying an electric power to the superconducting coil;

    a second terminal connected to an external electric power source and supplying the electric power to the first terminal in a case where the magnetic field generating portion is driven; and

    a heat penetration preventing element holding one of the first and second terminals and thermally separating the first and second terminals from each other in a case where a driving of the magnetic field generating portion is stopped, the heat penetration preventing element restraining a heat penetration from the second terminal to the first terminal.

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