Method of and apparatus for checking the dimensions of the exten

Details Method of and apparatus for checking the dimensions of the exten Method of and apparatus for checking the dimensions of the exten

1976-03-08

1977-09-13

Engle, Samuel W.

33174P, G21C 1700

Patent

active

040480097

ABSTRACT:
A method of checking the dimensions of the extensions of control rods of a nuclear reactor when the extensions are located in a cooling pit or fuel storage pool under a safe depth of water, comprising placing each extension vertically on a reference support in the cooling pit, the support having a profile corresponding to that of the extensions, moving measuring pick-ups, calibrated by reference to the support, along the extension, measuring the distances between the pick-ups and the extension at a plurality of levels, and analyzing the measurements. An apparatus is also disclosed for performing the novel method of checking rod-extension dimensions in the nuclear reactor.

REFERENCES:
patent: 3480510 (1969-10-01), Anthony
patent: 3511091 (1970-05-01), Thome
patent: 3596362 (1971-08-01), Reason
patent: 3621580 (1971-10-01), Tovaglieri
patent: 3664922 (1972-05-01), Diwinksky et al.
Trans. Am. Nuc. Soc., vol. 8, (4/11/65) p. 584, Barden.

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