Back to results
US 5,850,749 AGranted
Balancing device for a drum washing machine
AssigneeSamsung Electronics Co., Ltd.
InventorJin-Soo Kim
Life of this patent
Estimating the term…
Abstract
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.
Claims3
A drum washing machine, comprising:
- a housing;
- a tub suspended in the 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 balls;
- an internal ball-contacting surface of a radially inner one of the races being smoother than an internal ball-contacting surface of a radially outer one of the races;
- the liquid in the inner race having less viscosity than the liquid in the outer race;
- and
- the balls in the outer race being of larger diameter than the balls in the inner race.
6 more elements
Dependencies are inferred from the claim text.