Device and process for machine diagnostics by means of vibration measurement
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United States of America Patent
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Jan 15, 2013
Grant Date -
Feb 18, 2010
app pub date -
Aug 12, 2009
filing date -
Aug 12, 2008
priority date (Note) -
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Abstract
A device for machine diagnostics, with a vibration sensor (12) for detecting vibration signals on the machine (10), a unit (14) for conditioning the vibration signals, an A/D converter (16) for digitizing the conditioned vibration signals, a data processing unit (20) for splitting the digital signals into at least two frequency ranges, the data processing unit being made to scale the signal for each frequency range to an amplitude resolution which is less than the amplitude resolution of the A/D converter, and an evaluation unit (30) for further evaluation of the split signals.
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