Superconducing wind-and-react-coils and methods of manufacture
AssigneeAmerican Superconductor Corporation
InventorsMichael D. Manlief, Gilbert N. Riley, Jr., John Voccio, Anthony J. Rodenbush
Life of this patent
Estimating the term…
Abstract
A process for manufacturing superconducting magnetic coils from strain-tolerant, superconducting multi-filament composite conductors is described. The method involves winding the precursor to a multi-filament composite conductor and an insulating material or its precursor around a mandrel in order to form a coil, and then exposing the coil to high temperatures and an oxidizing environment. The insulating material or its precursor is chosen to permit exposure of the superconductor precursor filaments to the oxidizing environment, and to encase the matrix-forming material enclosing the filaments, which is reversibly weakened during processing.
Claims26
A superconducting magnetic coil, comprising:
- a coil of multi-filament composite conductors comprising multiple superconducting filaments enclosed by and non-uniformly distributed in a matrix-forming material,
- each of said multi-filament composite conductors being surrounded by an insulating layer,
- said insulating layer including an insulating material permeable to gaseous oxygen and substantially chemically inert relative to said multi-filament composite conductor, and
- is selected from the group consisting of ceramic fibers, particulate material, and mixtures thereof.
A superconducting magnetic coil, comprising:
- a coil of multi-filament composite conductors comprising multiple superconducting filaments enclosed by an oxygen permeable matrix-forming material,
- each of said multi-filament composite conductors being surrounded by an insulating layer,
- said insulating layer including an insulating material permeable to gaseous oxygen and substantially chemically inert relative to said multi-filament composite conductor, and
- is selected from the group consisting of ceramic fibers, particulate material, and mixtures thereof.
Dependencies are inferred from the claim text.