Systems, methods, and apparatus for lifting brushes of an induction motor
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United States of America Patent
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Oct 15, 2013
Grant Date -
Jul 5, 2012
app pub date -
Jan 5, 2011
filing date -
Jan 5, 2011
priority date (Note) -
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Abstract
Systems, methods, and apparatus associated for lifting brushes and shorting slip rings are provided. One embodiment may include an actuating mechanism in operable communication with multiple brushes and a plurality of electrical contacts. Each of the brushes may be adapted for selective contact with a respective slip ring of an induction motor. The electrical contacts may be in electrical communication with respective terminals of rotor windings of the induction motor. When the actuating mechanism is actuated, at least a portion of the electrical contacts create electrical shorts between at least a portion of the slip rings and the rotor windings of the induction motor. When the actuating mechanism is actuated, at least a portion of the brushes are lifted from contacting the plurality of slip rings.
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