Measuring and testing – Vibration – By mechanical waves
Patent
1997-12-09
2000-01-25
Chapman, John E.
Measuring and testing
Vibration
By mechanical waves
G01N 2910
Patent
active
060167017
ABSTRACT:
An ultrasonic inspection system for ultrasonic inspection of the guide structure of a reactor pressure vessel having two shear wave transducers, one positioned to face in a first direction about 30.degree. from normal to a top edge of the grid members of the top guide structure and a second one positioned to face in a second direction about 30.degree. from normal to a top edge of the grid members of the top guide.
REFERENCES:
patent: 3937068 (1976-02-01), Jor
patent: 4826650 (1989-05-01), Richardson et al.
patent: 5692024 (1997-11-01), McClelland et al.
Adkisson Douglas A.
Fox Lawrence R.
McClelland Richard G.
Ruzauskas Edward J.
Chapman John E.
Siemens Power Corporation
Zebrak Ira Lee
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