Superconducting magnet system including thermally efficient ride-through system and method of cooling superconducting magnet system

一种超导磁体、冷却器的技术，应用在超导磁体/线圈、冷却机、磁性物体等方向，能够解决要求几天或几周等问题

Active Publication Date: 2016-07-06
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] Thus, quenching in a free cryogenic or sealed superconducting magnet system may occur in as little as 30 minutes or less after the cryocooler has suffered a loss of power or some kind of failure or has undergone maintenance, which prevents it from operating properly and resetting the cryostat to maintain the temperature near absolute zero
Also, since there are usually no modules available for users to add new cryogenic materials to the system, if the cryogenic fluid degrades or evaporates due to quenching, recovery may require days or weeks

Method used

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  • Superconducting magnet system including thermally efficient ride-through system and method of cooling superconducting magnet system
  • Superconducting magnet system including thermally efficient ride-through system and method of cooling superconducting magnet system
  • Superconducting magnet system including thermally efficient ride-through system and method of cooling superconducting magnet system

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Embodiment Construction

[0035] The invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. However, this invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided as teaching examples for the invention. In this disclosure and claims, when something is stated as having near a certain value, it means that it is within 10% of that value, and when something is stated as having about a certain value, then It means that it is within 25% of this value. When something is stated as being substantially larger, it means that it is at least 10% larger, and when something is stated as being substantially smaller, it means that it is at least 10% smaller.

[0036] figure 1 An exemplary embodiment of a magnetic resonance imaging (MRI) apparatus 100 is illustrated. The MRI apparatus 100 may comprise: a magnet 102; a patient ...

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Abstract

A superconducting magnet system, including a cryostat, and a ride-through system for the superconducting magnet system include: one or more gravity-fed cooling tubes configured to have therein a cryogenic fluid; a first heat exchanger configured to transfer heat from the one or more gravity-fed cooling tubes to a cryocooler; a storage device having an input connected to the first heat exchanger and configured to receive and store a boiled-off gas from the first heat exchanger; and a thermal regenerator having an input connected to the output of the storage device.

Description

technical field [0001] The present invention generally relates to superconducting magnet systems and cryostats therefor. In particular, the present invention relates to a spanning system for cooling a superconducting magnet system, a superconducting magnet system comprising such a spanning system, and a method for cooling a superconducting magnet system. Background technique [0002] Superconducting magnets are used in a variety of contexts, including magnetic resonance (NMR) analysis, and magnetic resonance imaging (MRI). To achieve superconductivity, superconducting magnets are maintained at temperatures near absolute zero in a cryogenic environment. Typically, a superconducting magnet includes one or more electrically conductive coils disposed within a cryostat containing a substantial volume of cryogenic fluid (eg, liquid helium). Many such superconducting magnets operate in "sustained mode". A superconducting magnet operating in continuous mode is initially excited b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/38G01R33/3815H01F6/04
CPCG01R33/3804G01R33/3815F25B9/10F25D19/006H01F6/04A61B5/055H01F6/02H01F6/06
Inventor R·A·阿克曼G·G·皮尔莱德雷尔P·A·约纳斯M·福斯
Owner KONINKLJIJKE PHILIPS NV
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