Conductive brush for protecting a motor shaft bearing
AssigneeDelta T, LLC
InventorsRichard A. Oleson, Ivica Luka Simic
Life of this patent
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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.
Claims20
An apparatus for preventing electrical arcing, comprising:
- a motor including a rotating shaft and an associated bearing within a motor housing;
- and
- a brush comprising a conductive fabric for electrically connecting the rotating shaft to the motor housing.
An apparatus, comprising:
- a stationary part;
- a rotating part;
- and
- a brush including conductive fabric for electrically connecting the stationary part to the rotating part.
A method of preventing electrical arcing in a motor, comprising:
- electrically connecting a rotating shaft with a stationary part of the motor using a brush comprising a conductive fabric.
Dependencies are inferred from the claim text.