Superconducting coil configuration

A superconducting coil, superconducting technology, applied in superconducting magnets/coils, permanent superconductor devices, X-ray/γ-ray/particle irradiation therapy, etc., can solve problems such as easy breakage

Active Publication Date: 2019-08-13
MEVION MEDICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Those thinner portions 14, 15 of the strands may be more prone to breakage than the thicker portions 18, 19 of the strands

Method used

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  • Superconducting coil configuration
  • Superconducting coil configuration
  • Superconducting coil configuration

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Embodiment Construction

[0022] Typically, a superconductor is a component or metal alloy that loses most, if not all, of its electrical resistance when cooled below a threshold temperature. As a result, electric current flows largely unimpeded through the superconductor. As a result, superconducting coils are capable of conducting much greater currents than ordinary wires of the same size. Due to their ability to conduct large amounts of electrical current, superconducting coils are particularly useful in electromagnetic applications. However, the superconducting coils described herein are not limited to use in electromagnetic applications, and may be used in any suitable environment.

[0023] An exemplary superconducting coil is formed by winding an integrated conductor to produce a coil of appropriate dimensions. image 3 A cross-section of an exemplary superconducting coil 24 consisting of a plurality of wound integrated conductors and positioned against an opposing bobbin 25 is shown in . In s...

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Abstract

An example particle therapy system includes: a synchrocyclotron, and a gantry on which the synchrocyclotron is mounted to rotate around a patient position to position the synchrocyclotron relative toa treatment area of the patient. The synchrocyclotron includes a magnet having a coil to receive electrical current and to generate a magnetic field in response to the electrical current. The magneticfield causes the particles to move orbitally within a cavity at an energy that corresponds to the electrical current, and the coil includes multiple integrated conductors that are wound together. Anintegrated conductor includes: a core including conductive or superconducting material; and at least six strands wound around the core, with each of the at least six strands including a superconducting material. The synchrocyclotron includes an extraction channel to receive the particles from the cavity and to output the particles received from the cavity.

Description

technical field [0001] The present disclosure generally relates to superconducting coil constructions. Background technique [0002] Superconducting magnets generate a magnetic field by passing electrical current through one or more superconducting coils. Known superconducting coils are constructed by including four niobium-tin (Nb 3 Sn) superconducting strands wound around a non-superconducting copper (Cu) central strand. In known superconducting coil configurations, each superconducting strand has a diameter of about 0.8 millimeters (mm), with a central strand having a diameter of about 0.33 mm. figure 1 An example of a known four superconducting strand embodiment 5 is shown in . [0003] Defects in one or more superconducting strands can negatively affect the critical current (maximum superconductor current at a given temperature and (B) field). In some cases, this affects the operation of the magnet itself. These defects may include, but are not limited to, breaks o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L39/14
CPCH01F6/06A61N5/1081A61N2005/1087H10N60/20
Inventor S.P.索布茨恩斯基D.艾泽德
Owner MEVION MEDICAL EQUIP CO LTD
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