Patent ID: 9169591
Filing Date: 2015-10-27
Classification: D06F

Abstract:
1. A washing machine comprising an outer tub, a spin basket rotatably installed in the outer tub, and a balancing device mounted to the spin basket, wherein the balancing device comprises: a ring-shaped casing installed to be concentric with the spin basket, and provided to accommodate a plurality of balancing balls and a viscous fluid; a ring-shaped ball accommodation portion formed in the ring-shaped casing to accommodate the balancing balls; and a fluid accommodation portion disposed at a lower inner side of the ball accommodation portion in a radial direction of the ball accommodation portion, and provided to accommodate the viscous fluid, wherein a communication channel provided to allow the ball accommodation portion to communicate with the fluid accommodation portion is formed in the casing, the fluid accommodation portion is provided at the casing, the fluid accommodation semi-circular portion being formed in a portion of the casing along a circumferential direction of the casing, and a bottom surface of the ball accommodation portion is inclined downward as the bottom surface extends from a position of the fluid accommodation portion to a lowermost opposite position facing the fluid accommodation portion such that the balancing balls are positioned at the lowermost opposite position when rotation of the spin basket is stopped.