Bearing fault signature detection
First Claim
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1. A fault detector for detecting the presence of faults developing in rolling element bearings within an apparatus, comprising:
- a detector having means for determining a given frequency proportional to rolling element bearing functionality based on a fault signature model, means for measuring vibration of an apparatus in operation containing rolling element bearings and means for determining and indicating when a determined given frequency within a measured vibration is sufficient to detect the presence of developing faults in rolling element bearings within the apparatus; and
,an indicator for signaling the presence of a developing fault.
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Abstract
A device, and method, detects the presence of developing faults in rolling element bearings. Detection is accomplished by measuring the vibration of the apparatus in which the bearing is operating (motor, generator, engine, etc.) and searching for signatures unique to bearing faults. These signatures are predicted by a fault signature model and recognized by a detector, both of which are part of this invention.
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18 Claims
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1. A fault detector for detecting the presence of faults developing in rolling element bearings within an apparatus, comprising:
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a detector having means for determining a given frequency proportional to rolling element bearing functionality based on a fault signature model, means for measuring vibration of an apparatus in operation containing rolling element bearings and means for determining and indicating when a determined given frequency within a measured vibration is sufficient to detect the presence of developing faults in rolling element bearings within the apparatus; and
,an indicator for signaling the presence of a developing fault. - View Dependent Claims (2, 3, 4, 5)
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6. A method for monitoring the presence of faults developing in rolling element bearings, comprising the steps of:
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detecting the presence of developing faults by determining a given frequency proportional to rolling element bearing functionality based on a fault signature model measuring vibration of an apparatus in operation containing rolling element bearings and determining and indicating the determined given frequency within the measured vibration is sufficient to detect the presence of developing faults in rolling element bearings within the apparatus; and
,indicating the presence of a developing fault. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification