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Burst disc replacement apparatus

A technology for replacing equipment and bursting discs, applied in the direction of mechanical equipment, superconducting magnets/coils, functional valve types, etc., can solve problems such as expensive, operators cannot use superconducting magnet units, etc., to reduce maintenance costs and extend operating time Effect

Inactive Publication Date: 2009-08-19
SIEMENS FRIMLEY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As will be appreciated, the need for a service engineer to be present at a location where a superconducting magnet unit is deployed may be costly and may result in operators being unable to use the superconducting magnet unit until the service engineer replaces the ruptured rupture disc

Method used

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Examples

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Embodiment Construction

[0030] In the following description, the same reference numerals will be used throughout to identify the same parts.

[0031] see figure 1 , the rupture disc replacement apparatus 100 includes a rupture disc switch 102 having a flow path 104 therethrough, the flow path 104 providing fluid communication between an inlet 106 and an outlet 108 . The inlet 106 is coupled via a main discharge conduit 113 to an access tower 110 of a vessel of a superconducting magnet unit 112 . Outlet 108 is fluidly coupled to atmosphere via a vent tube (not shown). However, those skilled in the art will appreciate that outlet 108 may be coupled to a refrigerant recovery unit (not shown). The superconducting magnet unit 112 is in this example part of an imaging system, such as a magnetic resonance imaging (MRI) system, and includes, inter alia, a cryogen vessel (not shown) containing a superconducting magnet located therein. Magnets (also not shown). The cryogen vessel is filled with a cryogen, ...

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Abstract

A burst disc replacement apparatus (102) comprises a magazine (114) carrying a first burst disc (116) and a second burst disc (118). The apparatus also comprises a flow path (104) therethrough for venting fluid. The first burst disc (116) is located in the flow path (104) and the second burst disc (118) is located outside the flow path (104). A translation mechanism is also provided and coupled to the magazine (114) and arranged to permit manual translation of the magazine (114) so that the second burst disc (118) moves, when in use, into the flow path (104) in place of the first burst disc (116).

Description

technical field [0001] The present invention relates to a burst disc replacement apparatus of the type, for example, for relieving excess pressure buildup with respect to refrigerant discharged from a superconducting magnet unit. Background technique [0002] In the field of magnetic resonance imaging (MRI), a magnetic resonance imaging system usually includes a superconducting magnet, a plurality of gradient and excitation coils, a plurality of shim coils and a hospital bed. Superconducting magnets are provided to generate a strong uniform static magnetic field, called B 0 field in order to polarize the nuclear spins in the object under test. [0003] Currently, the coils that form superconducting magnets are made of metals that exhibit superconducting properties at very low temperatures. To achieve superconductivity, superconducting magnets are thus cooled to very low temperatures. A known cryogen-cooled superconducting magnet unit includes a cryostat including a cryoge...

Claims

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Application Information

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IPC IPC(8): F17C13/12F17D5/00G01R33/38
CPCH01F6/02G01R33/3802H01F6/00F16K17/16G01R33/288G01R33/3815Y10T137/6184Y10T137/1714Y10T137/598F16K17/40F17C13/007F17C13/06
Inventor 马修·霍布斯特雷弗·B·赫斯本德菲利普·A·C·沃尔顿
Owner SIEMENS FRIMLEY
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