Device for detecting defective nuclear reactor fuel rods

Details Device for detecting defective nuclear reactor fuel rods Device for detecting defective nuclear reactor fuel rods

1973-11-21

1976-02-24

Behrend, Harvey E.

176 80, 176 19LD, G21c 316

Patent

active

039403130

ABSTRACT:
A moisture sensor is provided for a nuclear fuel rod for water-cooled nuclear reactors wherein moisture can be present. The fuel rod has an end cap and a charge of nuclear fuel. The moisture sensor is disposed between the end cap and the charge and serves to detect a leak in the fuel rod. The moisture sensor includes a capsule-like housing having an inner space and having openings through which moisture can pass into the inner space in the event of a leak in the fuel rod. Ferromagnetic material is disposed in the inner space of the housing together with a moisture detector responsive to moisture for altering the disposition of the ferromagnetic material in the inner space.

REFERENCES:
patent: 2855355 (1958-10-01), Ohlinger et al.
patent: 3644174 (1972-02-01), Ferrari
patent: 3666625 (1972-05-01), Nybo
Hackh's Chemical Dictionary, McGraw-Hill Book Co., Fourth Ed., p. 417.

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