Conductive brush for protecting a motor shaft bearing
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United States of America Patent
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Oct 4, 2022
Grant Date -
N/A
app pub date -
Oct 21, 2019
filing date -
Oct 22, 2018
priority date (Note) -
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Abstract
An apparatus prevents electrical arcing between a motor including a rotating shaft and an associated bearing within a motor housing. A brush is formed of a conductive fabric for electrically connecting the rotating shaft to the motor housing. The conductive fabric may comprise randomly arranged or non-woven conductive fibers in contact or woven conductive fibers. The fabric may comprise a wool or felt. The apparatus may be applied to a fan. A related method is also disclosed.
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