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US 4,363,773 AGranted
Superconductive electromagnet apparatus
AssigneeTokyo Shibaura Denki Kabushiki Kaisha
InventorSusumu Mine
Life of this patent
Estimating the term…
Abstract
Disclosed is a superconductive electromagnet apparatus having a coil with a coiled conductor with a channel between adjacently disposed the paths of the coil conductor of which width is selected in accordance with amounts of heat produced at the corresponding portions of the coil section as viewed in cross section.
Claims10
A superconductive electromagnet apparatus comprising:
- a coil made of a conductor which is coiled around an axis to define a spiral channel having a width which is progressively narrower from an inner portion of said coil to an outer portion of said coil farther away from said axis than said inner coil portion and which has substantially the same cross section over the entire length;
- and
- frame means for supporting said coil and having a plurality of holes communicating with said channel for allowing air bubbles to escape.
Dependencies are inferred from the claim text.