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Result: Searchterm 'Quench'
found in 7 messages |
Result Pages: [1] 2 |
More Results: Database (5) |
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Dan Russell
Fri. 9 Feb.18, 17:15
[Start of: 'Damage from quench' 2 Replies]
Category:
Equipment |
Damage from quench |
Hello all, is it possible for a quench to damage a coldhead or compressor? Thanks
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Eduardo Mendes
Tue. 19 Jul.16, 12:59
[Start of: 'Need to quench a scanner now' 2 Replies]
Category:
General |
Need to quench a scanner now |
HellornrnI have on old Oxford 4.7 T scanner that has been working since 2011. Unfortunately these last few days we could not transfer He in. Although our He liquefier is completely full and the transfer line is connect to the magnet, no He is transferred. The transfer line has been made vacuo efficient two months ago and should be ok. rnrnIt seems that we need to quench the magnet. We don't have any external power supply to connect to the magnet and retrieve the current. rnrnWhat can we do? Is there any safety measures? Can we leave the magnet as it is? Should we evacuate the building? Should we isolate the area? rnrnThank you ever so much for your time and help. rnrnI have contacted Oxford several times but they didn't return my emails. rnrnMany thanksrnrnEdrnrn
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mak stavrak
Sat. 17 Feb.07, 22:48
[Start of: 'Quench' 1 Reply]
Category:
Safety |
Quench |
hi all
we have 5 quench in girst 2 years.
Is anyone to see this again?
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Steven Ford
Fri. 26 Oct.18, 02:19
[Reply (2 of 3) to: 'Damage from quench' started by: 'Dan Russell' on Fri. 9 Feb.18]
Category:
Equipment |
Damage from quench |
All things are possible but this would be hard to imagine. More likely the coldhead-compressor failed and that led to the quench.
Steven Ford
Professional Imaging Services, Inc.
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Renate S.
Tue. 27 Feb.18, 16:31
[Reply (1 of 3) to: 'Damage from quench' started by: 'Dan Russell' on Fri. 9 Feb.18]
Category:
Equipment |
Damage from quench |
Accidental or spontaneous quenching may cause severe damage to the magnet and the surrounding (including coldhead). If the MRI quench pipe works as dedicated, the damage related to the coolant should be small. But in any case it is cost extensive and a decision to manual quench should only be made in extreme cases. If there is no potentially life threatening situation call the service engineer.
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