A worn brush indicator for machinery, e. g. , a motor generator, wherein a carbon brush is in engagement with a moving contactor, e. g. , a commutator or slip ring. The brush is made with an elongated cavity, and an insulated conductor is placed in the cavity. When the brush is worn to a point where the cavity is exposed and the insulating is worn away, the conductive member, having a carbon tip, engages the commutator, and an alarm circuit connected between the conductive member and the brush proper signals a worn brush condition.
Claudine Chessmore, Evelyn Goltl, Keith Headrick, Patrice Minney, Bruce Swihart, Rita Deyle, Barbara Gottschalk, Garin Terrell, Margie Rogers, Randy Olson
Youtube
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Criswell College, Dallas Baptist University, Liberty University
About:
Harold’s passion is disciple-making—a simple, biblical approach to teaching and mentoring others in how to master the art of living. He spends much of his free time at the local coffee shop doing life...