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Determining faults in multiple bearings using one vibration sensor

  • US 6,053,047 A
  • Filed: 09/29/1998
  • Issued: 04/25/2000
  • Est. Priority Date: 09/29/1998
  • Status: Expired due to Term
First Claim
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1. A dynamoelectric machine diagnostic system, comprising:

  • a vibration sensor to sense a vibration signature, the sensor mounted on a dynamoelectric machine having at least two bearings with unique vibration characteristics with respect to the sensor; and

    a processor operatively coupled to the sensor for receiving the vibration signature from the vibration sensor and evaluating the vibration signature in the vicinity of frequencies associated with the bearings to determine the condition of each of the bearings.

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