Nondestructive method for inspecting cladding tubes

Details Nondestructive method for inspecting cladding tubes Nondestructive method for inspecting cladding tubes

2006-09-12

2006-09-12

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

C376S251000, C376S252000, C250S900000, C250S901000, C250S559450, C250S559460

Reexamination Certificate

active

07104127

ABSTRACT:
The present invention relates to a nondestructive method or inspecting defects of the cladding of a nuclear fuel rod, which is featured by a wave emitter obliquely discharging an inspection wave to an inspected tube and a receiver arranged at a side of the inspected tube with respect to the wave emitter. If liquid is accumulated inside the tube, the incident inspection wave will be refracted so that the receiver can receive the refracted inspection wave at a specific location. The method can determine whether liquid is accumulated inside the tube and further is able to detect the level of the liquid.

REFERENCES:
patent: 4065960 (1978-01-01), Grabendorfer et al.
patent: 4320659 (1982-03-01), Lynnworth et al.
patent: 4630476 (1986-12-01), Moore
patent: 4679430 (1987-07-01), Scott-Kestin et al.
patent: 4735097 (1988-04-01), Lynnworth
patent: 5015995 (1991-05-01), Holroyd
patent: 6367328 (2002-04-01), Gorman et al.

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