METHOD FOR MONITORING A ROTATING MACHINE AND ASSOCIATED DEVICE AND SYSTEM
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 13, 2024
filing date -
Sep 13, 2024
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Abstract
A device (4) for monitoring a rotating machine (2) having a plurality of rotating parts (2a, 2b, 2c). The device (4) includes a first determining means (5), a selecting means (8), a second determining means (6), a third determining means (7), and an actuation means (10). The first determining means (5) determines the frequency spectrum of a measured vibration signal (SM) of a plurality of spectral lines (C1-16). The selecting means (8) selects spectral lines (C1-16) according to a predetermined selection rule. The second determining means (6) determines the unidentified spectral lines. The third determining means (7) determines the waveform power of each unidentified spectral line. The actuation means (10) triggers an alarm if the determined power of at least one unidentified spectral line is equal to or bigger than a power threshold (γ).
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