Monitoring temperature within a vessel

Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Temperature or pressure measurement

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Details

374163, 374176, 374177, G21C 1700, G01K 1302

Patent

active

046817298

ABSTRACT:
A vessel for the storage and monitoring of nuclear fuel materials incorporates a device (12) within its interior for providing an externally detectable signal indicating whether any temperature rise has occurred. The device (12) comprises a magnet (32) attracted towards a boundary wall (11) of the vessel and maintained in that position by a temperature-sensitive element such as a thermal link (38). The magnet (32) is subjected to an oppositely directed force by a spring (30), which is effective to drive the magnet (32) away from the wall (11) in the event of a substantial temperature rise within the vessel thereby producing an externally detectable change in magnetic flux.

REFERENCES:
patent: 3107531 (1963-10-01), Stevens
patent: 3846795 (1974-11-01), Jones
patent: 3848466 (1974-11-01), Dial et al.
patent: 4319958 (1982-03-01), Fica et al.
patent: 4576781 (1986-03-01), Duncombe et al.

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