Submerged ultrasonic viewer for a nuclear reactor

Details Submerged ultrasonic viewer for a nuclear reactor Submerged ultrasonic viewer for a nuclear reactor

1979-03-27

1981-08-18

Cangialosi, S. A.

Communications, electrical: acoustic wave systems and devices

Borehole testing

367 99, G21C 1700

Patent

active

042844738

ABSTRACT:
A submerged ultrasonic viewer for use in a liquid metal cooled fast reactor vessel to detect floated reactor core components. The viewer, which includes an ultrasonic transducer, a transducer scanning drive mechanism and a related electrical control circuit, an image display circuit, and a reflecting surface, i.e. a handling head of a core element or a reflecting plate, is improved to enhance image accuracy by providing the reflecting surface with at least one continuously curved surface having a convex or a concave contour, or plural continuously curved surfaces with concave and convex contours.

REFERENCES:
patent: 3502811 (1970-03-01), Schroeder et al.
patent: 3599747 (1971-08-01), Hansen et al.
patent: 3604529 (1971-09-01), Fothergill
patent: 4008455 (1977-02-01), Pedersen
patent: 4169758 (1979-10-01), Blackstone et al.

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