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Cryogen tank for cooling equipment

A refrigerant storage and refrigerant technology, applied in the field of refrigerant storage, can solve the problems of expensive recooling and refilling, and it is difficult to obtain a large supply of liquid refrigerant.

Inactive Publication Date: 2006-09-27
SIEMENS FRIMLEY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some parts of the world, it is difficult to obtain the large supplies of liquid refrigerant required for this operation without planning ahead
This recooling and recharging is expensive in terms of the time the field engineer spends on site installing the system and the material cost of the refrigerant used

Method used

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  • Cryogen tank for cooling equipment
  • Cryogen tank for cooling equipment
  • Cryogen tank for cooling equipment

Examples

Experimental program
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Effect test

Embodiment Construction

[0020] In its most basic form, the invention comprises a cryogen reservoir in thermal and mechanical connection with the equipment to be cooled. Direct heat transfer between the refrigerant and the device provides the required cooling. The reservoir is preferably arranged within the existing contours of the equipment to be cooled, with e.g. figure 1 The reservoir is relatively small compared to known cryogen containers shown.

[0021] figure 2 An enlarged view of one end of the section of the coil 12 and bobbin 10 is shown. As shown, the bobbin 10 includes an inner portion 10a and an outer portion 10b. The inner and outer parts support respective coils 12 . A number of webs 10c provide a mechanical and thermal connection between the inner and outer parts 10a, 10b of the former. The web 10c can consist, for example, of a 13 mm thick aluminum sheet. These webs serve to position the outer part 10b of the bobbin and the coils 12 carried thereon in the correct position relat...

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PUM

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Abstract

A cryogen tank in thermal and mechanical attachment with the equipment to be cooled. Direct thermal conduction between the cryogen and the equipment provides the required cooling. The tank is preferably arranged so as to lie within an existing profile of the cooled equipment, and to be relatively small as compared to known cryogen tanks.

Description

technical field [0001] The present invention relates to cryogen tanks such as in cryostats used to keep superconducting electromagnetic coils at cryogenic temperatures. The invention also relates to reducing the size of such cryostats, reducing the consumption of liquid cryogen, and reducing the cost of such cryostats. Background technique [0002] Superconducting magnets are well known and are used in applications such as Magnetic Resonance Imaging (MRI) to generate extremely high strength magnetic fields. Superconducting magnets usually consist of many coils of superconducting wire, which must be kept at a low temperature during use, typically around 4K, the boiling point of liquid helium. Other so called high temperature superconductors are also available and require cooling to temperatures such as the boiling point of neon (28K), nitrogen (77K) or hydrogen. The invention is described with specific reference to liquid helium, but is equally applicable to devices using o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F6/04G01R33/3815H01F5/02H01F6/00H01F6/06
CPCH01F6/00H01F5/02H01F6/06G01R33/3815G01R33/3804F17C13/087
Inventor A·F·阿特金斯P·比斯利A·J·格雷
Owner SIEMENS FRIMLEY