Measuring and testing – Vibration – By mechanical waves
Patent
1995-12-18
1998-05-26
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
73587, 73 405A, G01N 2904
Patent
active
057568987
ABSTRACT:
Changes in the internal diameter of a fluid handling pipes are measured by measuring the vibrational characteristics by a non-invasive, passive acoustic technique. Deviations from the normal vibrational characteristics are sensed and used to determine changes of increase or decrease in the pipe's internal diameter.
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Brown Winthrop Kent
Diatschenko Victor
Ledoux Anna Nicole
Stoy James Raymond
Beard William J.
Gibson Henry H.
Kwok Helen C.
Texaco Inc.
Williams Hezron E.
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