Superconductive magnet with shielded refrigerator

A superconducting magnet includes: a superconducting coil for generating a static magnetic field; a refrigerant container for containing the superconducting coil and a refrigerant; a vacuum container for holding the refrigerant container in a vacuum state; a radiation shield between the refrigerant...

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Bibliographic Details
Main Authors ABE, MITSUSHI, CHIBA, TOMOO, ANDO, RYUYA, YAMAMOTO, TSUTOMU
Format Patent
LanguageEnglish
French
German
Published 01.09.2010
Subjects
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:A superconducting magnet includes: a superconducting coil for generating a static magnetic field; a refrigerant container for containing the superconducting coil and a refrigerant; a vacuum container for holding the refrigerant container in a vacuum state; a radiation shield between the refrigerant container and the vacuum container; a refrigerator for re-liquidfying the refrigerant; and a dynamic magnetic field shield. The refrigerator includes: first and second regenerative refrigerants. The dynamic magnetic field shield is an electric good conductor and arranged around the first regenerative refrigerant along a motion axis of the first regenerative refrigerant, wherein a direction of the motion axis is aligned with a direction of a magnetic force line of the static magnetic field at the first regenerative refrigerant.
Bibliography:Application Number: EP20070254444