Enclosing a gas in a nuclear reactor fuel rod

Details Enclosing a gas in a nuclear reactor fuel rod Enclosing a gas in a nuclear reactor fuel rod

1982-12-13

1986-02-11

Envall, Jr., Roy N.

Electric heating

Metal heating

By arc

29400N, 141 4, 219 61, 376451, B23K 9225

Patent

active

045700516

ABSTRACT:
A method and system for enclosing a gas at a preselected pressure in a nuclear reactor fuel rod having two ends open to its interior. Hermetically enclose each end in a separate airtight chamber. Introduce the gas into the first chamber and open the second chamber to purge the fuel rod interior and both chambers of residual atmosphere. After purging close the open second chamber and determine the gas pressure in the fuel rod interior. When the pressure reaches the preselected value, hermetically seal each fuel rod end while in its respective chamber. After sealing, remove the fuel rod from the chambers.

REFERENCES:
patent: 2417361 (1947-03-01), Herzog
patent: 2435747 (1948-02-01), Larson
patent: 3677894 (1972-07-01), Ferrari
patent: 3683148 (1972-08-01), Boyko et al.
patent: 3683974 (1972-08-01), Stewart et al.
patent: 3842238 (1974-10-01), Boyko et al.

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