A superconducting device includes a first superconducting wire configured to carry a first current in a superconducting state, and to generate thermal energy upon occurrence of a hot spot during conduction. The device includes a second superconducting wire, thermally coupled to and electrically isolated from the first superconducting wire. The second superconducting wire is configured to conduct a second current in a superconducting state below, but sufficiently near its critical surface to be quenched to a non-superconducting state upon conduction of the thermal energy from the first superconducting wire.

A Conductor on Molded Barrel (COMB) magnet assembly optimized for High Temperature Superconducting (HTS) materials. The magnet assembly comprises a magnetic coil(s) carried by a conductor support structure and configured in cosine-theta geometry. Created using additive manufacturing, the conductor support structure features a continuous cable channel that fittedly carries and positions elongated straight portion(s) of the magnetic coil(s) parallel to a magnetic axis. The conductor support structure may be cylindrically shaped and longitudinally bored, with the continuous cable channel comprising an outer channel portion (distal on the cylinder) and an inner channel portion (proximal on the cylinder). A transition hole that joins the outer channel portion and the inner channel portion allows a single magnetic coil to be wound along both the outer and inner surfaces of the conductor support structure. The conductor support structure may be fabricated as longitudinally-symmetrical halves, and secured for operation using azimuthal and/or midplane shims.

Techniques are described for lowering strains applied to superconducting material in a superconducting magnet by arranging structural partitions between turns of the superconducting material that intercept and transfer strain to a mechanically stronger structure, such as the housing of the magnet. A structural partition may be formed with a feedthrough slit so that the superconducting aterial can easily pass through the partition. A number of structural partitions may be interspersed between groups of turns of super-conducting material in a magnet so that forces can be sufficiently distributed by the partitions throughout the magnet. At the same time, the number of structural partitions may be selected to minimize the amount of space within the magnet occupied by the partitions that could otherwise be occupied by current-carrying superconducting material.

A resin-impregnated superconducting coil has axially-extending coil mounting arrangements that include features embedded within the structure of the resin-impregnated superconducting coil, between layers of turns of the coil.

Various embodiments include a superconducting coil device comprising: a coil winding with at least one turn of a superconducting strip conductor; wherein the strip conductor has a first main face and a second main face. The coil winding includes a turning region wherein the strip conductor is bent such that, in the turning region, the strip conductor has a distinct change of direction in a longitudinal direction and simultaneously changes the orientation of both the first main face and the second main face with respect to a central axis of the coil device.

Schemes are described for conductor and coolant placement in stacked-plate superconducting magnets, including arranging coolant channels and conducting channels within the plates on opposing faces. If the two types of channels are aligned with one another across the plate stacks, the plates may be stacked such that the cooling channel in one plate is adjacent to the conducting channel of the neighboring plate. By stacking a number of these plates, therefore, cooling may be supplied to each conducting channel through the cooling channels of each neighboring plate. Moreover, by aligning the two types of channels, the stacks of plates may have improved mechanical strength because mechanical load paths through the entire stack that do not pass through any of the channels may be created. This arrangement of channels may produce a very strong stack of plates that can withstand high Lorentz loads.

Disclosed herein are superconducting gantry magnets that include multiple quadrupole winding sections placed in sequence on a curve such that the effective current direction is reversed between sections. This produces alternating quadrupole field regions along the length of the bend whose individual integral strengths can be tuned by the location of the current polarity transitions. A simple transition scheme to reverse the current between sections can be implemented to allow for the use of one continuous winding and power supply. Dipole windings can be included in the superconducting gantry magnets so that the magnets produce superposed dipole and alternating quadrupole fields. The disclosed design for the windings and transition scheme to reverse current polarity can be implemented for higher order multipoles as well.

The apparatus comprises a first working unit for unwinding a coil of conductor and providing straightened conductor, and a second working unit comprising a bending device arranged to bend the straightened conductor leaving the first working unit and a rotary table on which the bent conductor leaving the bending device is laid, whereby a set of turns is formed to make the superconductive coil. The rotary table is rotatably mounted about a stationary vertical axis. The bending device is mounted so as to be translatable both in a longitudinal direction coinciding with the direction of a longitudinal axis of the straightened conductor that is fed by the first working unit to the bending device and in a transverse direction perpendicular to the longitudinal direction. The first working unit is mounted so as to be translatable, along with the bending device, in the transverse direction only.

A method for producing a coil for electric apparatus of the present invention is the method for producing a coil for electric apparatus for cutting spirally a block-shaped workpiece formed with a cylindrical portion corresponding to the coil in a circumferential direction of the cylindrical portion, the spiral coil is formed by turning a cutting means while moving it relatively to the workpiece from a part corresponding to one end of the coil to a part corresponding the other end of the coil along a machining line spirally set in the circumferential direction of the cylindrical portion. According to the invention, since the coil is formed by cutting the continuous cutting machining plane without generating a step in design from the block-shaped workpiece formed with a cylindrical portion corresponding to the coil using a wire-tool etc., it is possible to constitute a high-quality coil.

A superconducting magnet assembly with a reinforced coil region (3) having a layered conductor coil assembly (10) forming cylindrical conductor layers (11, . . . ), each having plural circular conductor turns (12) centered around and aligned along the axis of cylindrical symmetry (z). The reinforced coil region further includes a layered corset coil assembly (20) having an inner radius bigger than an outer radius of the layered conductor coil assembly (10), and a corset sheet assembly (30) including a foil element forming a corset sheet (31, . . . ). A cross section of the corset sheet with any plane perpendicular to the z-axis forms a segmented circle centered around the z-axis, the radius of which is bigger than that of one of the conductor layers and smaller than that of another of the conductor layers. In addition, the segmented circle covers at least 90% of a full circle but has at most four segments. The assembly provides mechanical reinforcement against radial magnetic forces.