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superconducting coil

A technology of superconducting coils and superconducting wires is applied in the directions of superconducting magnets/coils, coils, measuring devices, etc.

Active Publication Date: 2017-11-28
HITACHI HEALTHCARE MFG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, with the increase in the capacity of superconducting coils in recent years, the electromagnetic force has increased, and the amount of frictional heat generation has increased accordingly, and the effect of suppressing the quench phenomenon cannot be sufficiently obtained only by low friction.

Method used

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Embodiment Construction

[0031] Hereinafter, superconducting coils according to various embodiments of the present invention will be described in detail with reference to the drawings.

[0032] [Structure of the first superconducting coil 11 according to the first embodiment of the present invention]

[0033] First, refer to figure 1 and figure 2 , the structure of the first superconducting coil 11 according to the first embodiment of the present invention will be described.

[0034] like figure 1 As shown, the first superconducting coil 11 according to the first embodiment of the present invention has the following units: a reel 13, a winding portion 16 of a superconducting wire 15 coiled on the reel 13, and an interposed The insulating plate 25 is in the gap between the reel 13 and the winding portion 16 of the superconducting wire 15 .

[0035] The roll holder 13 is formed of non-magnetic metal such as stainless steel. The roll holder 13 has a substantially columnar base 13 a and flanges 13 b...

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Abstract

The first superconducting coil (11) has a reel (13), a winding part (16) of a superconducting wire (15) wound on the reel (13), and a coil inserted between the reel (13) and the superconducting coil (13). An insulating plate (25) for the gap between the winding part (16) of the wire (15). The insulating plate (25) is composed of a first insulating plate (21) and a second insulating plate (23) separated in the thickness direction. A sheet-shaped low-friction member (27) made of fluororesin is interposed between opposing separation surfaces of the first insulating plate (21) and the second insulating plate (23). Accordingly, it is possible to provide a superconducting coil capable of simultaneously suppressing the quench phenomenon and reducing the manufacturing man-hours.

Description

technical field [0001] The present invention relates to a superconducting coil constituting a superconducting magnet device. Background technique [0002] The superconducting magnet device has a built-in superconducting coil using a superconducting wire whose resistance becomes zero at extremely low temperatures. A superconducting magnet device has a function of generating a stronger and more stable magnetic field than a magnet device composed of a normally conducting coil by passing a large current through a superconducting coil. Such a superconducting magnet device is used in fields requiring a stable strong magnetic field, such as NMR (Nuclear Magnetic Resonance), MRI (Magnetic Resonance Imaging), and the like. [0003] In designing a superconducting coil which is a main component of a superconducting magnet device, one of the important elements is to suppress the so-called quench phenomenon. The quench phenomenon will be described in detail below. [0004] When the su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F6/06
CPCH01F5/02H01F5/06G01R33/288G01R33/3802H01F6/06G01R33/3815
Inventor 安藤龙弥
Owner HITACHI HEALTHCARE MFG LTD
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