Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2008-08-08
2011-10-04
Surin, J M Saint (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C073S592000, C073S600000, C073S602000
Reexamination Certificate
active
08028581
ABSTRACT:
A method of inspecting a rotatable shaft for the presence of defects may include continuously rotating a shaft under an applied load. As the shaft is rotated, an ultrasonic signal may be propagated along the length of the shaft. Attenuated or reflected ultrasonic signals may be collected from the shaft as the shaft is rotated. The presence of a defect in the shaft is determined by analyzing the collected ultrasonic signals.
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Perkins Blair C.
Smith Gordon E.
Dinsmore & Shohl LLP
M Saint Surin J
Toyota Motor Engineering & Manufacturing North America, Inc
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