G - Physics – 01 – N
Patent
G - Physics
01
N
349/42
G01N 29/12 (2006.01) G01M 13/02 (2006.01)
Patent
CA 2010097
A gear defect analyzing system records the interaction of each tooth of a gear system until the interaction begins to repeat and then processes the information in such a way as to identify defective gear teeth. Signals from a gear box are detected by an accelerometer and a shaft encoder and fed to an interface circuit and then to an analog signal preprocessing circuit. The preprocessing circuit conditions the signal so that it can be analyzed by a microcomputer. The system has the capability of identifying the class of incoming signals, determining the optimal time domain average, eliminating unwanted spectral components and interference, computing specific measurements relating to gear wear and then performing analysis of time history within a given system operating state to determine which gears and gear teeth are defective. By recording each tooth-to-tooth interaction over a period of time, and then processing the recorded matrix of data, it is possible to locate individual tooth defects. The system is also capable of detecting, classifying, and analyzing other types of hard-to-find defects.
Hernandez Walter C.
Lefler Kenneth A.
Page Edward A.
Deeth Williams Wall Llp
Monitoring Technology Corporation
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