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Superconducting magnet cooling system

A technology of superconducting magnets and cooling systems, applied in superconducting magnets/coils, usage of superconducting elements, magnetic objects, etc., can solve problems such as bellows not being able to withstand high pressure

Inactive Publication Date: 2017-01-04
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bellows are not resistant to high pressures, so only low pressure coolants can be used to cool superconducting magnets
Therefore, existing superconducting magnet cooling systems limit the cooling of superconducting magnets to low-pressure coolant

Method used

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  • Superconducting magnet cooling system
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Embodiment Construction

[0012] In order to help those skilled in the art to accurately understand the claimed subject matter of the present invention, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following detailed descriptions of these specific embodiments, this specification does not describe some well-known functions or structures in detail to avoid unnecessary details affecting the disclosure of the present invention.

[0013] Unless otherwise defined, the technical terms or scientific terms used in the claims and the description shall have the ordinary meanings understood by those skilled in the technical field to which the present invention belongs. "First", "second" and similar words used in the specification and claims do not indicate any sequence, quantity or importance, but are only used to distinguish different components. "A" or "one" and similar words do not indicate a limitation of nu...

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Abstract

The invention discloses a superconducting magnet cooling system comprising a superconducting magnet, a liquid coolant container used for cooling the liquid coolant, a heat exchanger unit fluid-connected with the liquid coolant container, a low temperature refrigerating machine carrying out heat exchange with the heat exchanger, and a flexible connecting device; the flexible connecting device has high thermal conductivity, and is in hot link with the low temperature refrigerating machine and heat exchanger unit, thus providing vibration isolation between the low temperature refrigerating machine and the heat exchanger unit, so the vibrations of the low temperature refrigerating machine cannot be transferred onto the superconducting magnet.

Description

technical field [0001] The present invention relates generally to magnetic resonance imaging (MRI) systems, and more particularly to a superconducting magnet cooling system. Background technique [0002] It is known that a superconducting magnet can become superconducting by placing it in an extremely cold environment, such as when it is enclosed in a cryostat or pressure vessel containing liquid helium or other liquid coolant. . Cryogenic refrigerators are widely used to maintain low temperature environments. Cryogenic cooling ensures that the magnet coils remain superconducting so that current flows through the magnet coils as soon as power is connected (for example, for a period of 10 seconds), even after power is removed, since there is no resistance in the coils. So the current will continue to flow through the coil, thereby maintaining a strong magnetic field. Superconducting magnet cooling systems are widely used in the field of MRI. [0003] However, when the cry...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F6/04G01R33/3815
CPCF25B2400/17G01R33/3804G01R33/3815H01F6/04H02K55/00Y02E40/60
Inventor 埃万盖洛斯·特里丰·拉斯卡里斯陈宜蔚江隆植张涛席海霞李军
Owner GENERAL ELECTRIC CO
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