Miniature fission chamber and signal cable assembly

Induced nuclear reactions: processes – systems – and elements – Detection of radiation by an induced nuclear reaction – By fission

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376203, 376254, G21C 1700

Patent

active

045698171

ABSTRACT:
A fission chamber assembly for use in-core of a nuclear reactor with the fission chamber included within a small diameter tubular housing which is hermetically sealed at opposed ends. A signal cable end seal assembly is provided at one end of the tubular housing serving to hermetically seal the mineral insulated coaxial signal cable to the tubular housing. A second cable end seal assembly is included within the tubular housing between the signal cable end seal assembly and the fission chamber, with a hermetically sealed gas-filled reservoir defined between the spaced-apart cable end seal assemblies. These redundant seal assemblies provide an improved reliability detector for use in the reactor hostile environment.

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