SUPERCONDUCTING APPARATUS
First Claim
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.
1 Assignment
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Accused Products
Abstract
A superconducting apparatus includes a magnetic field generating portion including a superconducting coil, an extremely low temperature generating portion maintaining the superconducting coil at an extremely low temperature and 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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Citations
7 Claims
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1. A superconducting apparatus, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A movable connecting device for selectively establishing and interrupting an electrical connection between an electric power source and a superconducting apparatus, the movable connecting device comprising:
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a movable member; a thermally insulated chamber provided between the superconducting apparatus and the movable member; first plural terminals extending from the superconducting apparatus into the thermally insulated chamber; second plural terminals extending from the electric power source into the thermally insulated chamber; and a driving device moving the movable member in first and second directions, to establish connecting and disconnecting conditions between the first plural terminals and the second plural terminals, when the superconducting apparatus is in operation and out of operation, respectively.
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Specification