Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Temperature or pressure measurement
Patent
1985-05-06
1987-09-29
Bell, Paul A.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Temperature or pressure measurement
376272, 376250, 376251, G21C 1706, G01K 1302
Patent
active
046967877
ABSTRACT:
A vessel for the long term storage and monitoring of nuclear fuel materials incorporates a device (12) within its interior for providing an externally detectable signal indicating whether any pressure loss has occurred. The device (12) comprises a magnet (32) attracted towards a boundary wall (11) of the vessel and urged in that direction by the internal pressure within the vessel acting on a diaphragm (26). The magnet (32) is subjected to oppositely directed forces by pressurized fluid in chamber (40) bounded by diaphragm (26) and a spring (30), the arrangement being such that these latter forces collectively or individually are effective to drive the magent (32) away from the wall (11) in the event of a pressure loss within the vessel thereby producing an externally detectable change in magnetic flux.
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Murray Alan
Pendleton Eric
Roberts Karl A.
Bell Paul A.
Hinds William R.
National Nuclear Corporation Limited
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