Brush (electric)
A brush is a device which conducts current between stationary wires and moving parts, most commonly in a rotating shaft. Typical applications include electric motors, alternators and electric generators.
Read more about Brush (electric): Etymology, Liquid Metal Brushes
Famous quotes containing the word brush:
“Little Orphant Annie’s come to our house to stay,
An’ wash the cups an’ saucers up, an’ brush the crumbs away,”
—James Whitcomb Riley (1849–1916)