Fuse and application of said fuse to the construction of an emer

Details Fuse and application of said fuse to the construction of an emer Fuse and application of said fuse to the construction of an emer

1976-03-01

1978-02-28

Behrend, Harvey E.

176DIG5, G21C 712

Patent

active

040765873

ABSTRACT:
A fuse device for an automatic emergency shutdown system in fast reactors provides a coupling between a casing tube placed within a fuel can and a series of neutron-absorbing masses held together above the reactor core under normal operating conditions but released in free fall to the lower portion of the casing tube at the level of the reactor core as a result of melting of the fuse when operating characteristics such as temperature or neutron flux attain a level which exceeds a predetermined threshold.

REFERENCES:
patent: 2919236 (1959-12-01), Zinn
patent: 3115453 (1963-12-01), Paget et al.
patent: 3177124 (1965-04-01), Eggen et al.
patent: 3795580 (1974-03-01), Schively
KAPL-M-LBV-7, 9/55, by Vandenberg, pp. 3-6, 25, 32.
"Constitution of Binary Alloys", 1958, by Hansen, pp. 143, 144, 633-636, 728, 729, 1182.
NAA-SR-1954, 1956, pp. 3, 20.

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