Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate
2008-04-21
2010-10-05
Williams, Hezron (Department: 2856)
Measuring and testing
Vibration
By mechanical waves
C073S620000, C073S627000
Reexamination Certificate
active
07805997
ABSTRACT:
An on-machine inspection method for detecting whether a shaft of a transmission system has failed uses a test probe from flaw detection apparatus to discover echo signals with known peaks corresponding to defined weakened portions in the shaft. The test probe is then moved to prescribed angular distances about an end face of the shaft to obtain the echo signals.
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Cunningham Ginger
Fei Dong
Rebinsky Douglas A.
Shandley Gary P.
Yu Linxiao
Caterpillar Inc
Leydig & Voit & Mayer
Miller Rose M
Williams Hezron
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