Balancing device for a drum washing machine

摘要

A drum washing machine includes a tub suspended in a housing; a drum-type spin basket rotatably installed in the tub, and at least two radially spaced races provided on the spin basket concentric with the spin basket. Each race containing liquid and a plurality of balancer balls. The radially inner race has internal surfaces that are smoother than those of the radially outer race. The liquid in the inner race has less viscosity than the liquid in the outer race. The balls in the inner race have a smaller diameter than the balls in the outer race.