Arrangement for monitoring antifriction bearing of rotating shaft of rotating electric machine
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United States of America Patent
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Oct 10, 2023
Grant Date -
Aug 13, 2020
app pub date -
May 1, 2020
filing date -
Nov 3, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An arrangement for monitoring an antifriction bearing of a rotating shaft of a rotating electric machine. The arrangement includes: one or more capacitor electrodes to measure a capacitive shaft displacement parameter; one or more of the following additional measurement sensors; a microphone to measure a bearing noise parameter, a voltage sensor to measure a bearing current parameter, and/or an optical pyrometer to measure a shaft heat parameter; and one or more processors configured to evaluate a condition of the antifriction bearing based on the capacitive shaft displacement parameter and one or more of the following: the bearing noise parameter, the bearing current parameter, and/or the shaft heat parameter.
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International Classification(s)
- G01J:MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTE....
- G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- F16C:SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT ME....
- G01P:MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, D....
- G01D:MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VAR....
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