Please download the dossier by clicking on the dossier button x
×

Method for determining and displaying spectra for vibration signals

  • US 6,208,944 B1
  • Filed: 06/26/1998
  • Issued: 03/27/2001
  • Est. Priority Date: 06/26/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for gathering vibration data representing a measured vibration from a vibration sensor on a machine, said method comprising the steps of:

  • receiving a first number of vibration signals in a data gatherer from said vibration sensor, said first number of vibration signals being sampled at a first sampling frequency, wherein said first sampling frequency is determined based upon a desired resolution of signal components in a first frequency band;

    receiving a second number of vibration signals in a data gatherer from said vibration sensor, said second number of vibration signals being sampled at a second sampling frequency, wherein said second sampling frequency is determined based upon a desired resolution of signal components in a second frequency band, said second sampling frequency being different from said first sampling frequency;

    processing said first number of vibration signals and said second number of vibration signals using said data gatherer;

    storing said first number of vibration signals and said second number of vibration signals in said data gatherer;

    subjecting said first number of vibration signals and said second number of vibration signals to frequency analysis to form corresponding first and second frequency spectra; and

    combining said first and second frequency spectra to form an overall frequency spectrum.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×