Washing machine having a hybrid sensor and a control method ther

Details Washing machine having a hybrid sensor and a control method ther Washing machine having a hybrid sensor and a control method ther

1998-12-08

2000-05-23

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

8159, 68 1204, 68 1205, 68 1206, 68 1227, D06F 3302

Patent

active

060651709

ABSTRACT:
A washing machine having a hybrid sensor and a control method therefor simplify the inner structure of the washing machine by using one hybrid sensor for sensing a laundry weight, a feed water weight, and a dynamic unbalance of a washing tub. In a washing machine including a main body; a water tub provided to inside of the main body; a washing tub rotatably mounted to inside of the water tub; and at least one suspension bar having an upper end coupled with an inner wall of the main body and a lower end coupled with an outer wall of the water tub, and supporting the water tub, the washing machine includes: a hybrid sensor which is mounted to the upper end of the suspension bar and generates signals corresponding to a laundry weight, a water level and a dynamic unbalance on the basis of ascending or descending displacement of the suspension bar when the suspension bar is moved up and down by load variation or unbalance rotation of the water tub. As described above, the washing machine having the hybrid sensor senses the laundry weight, the feed water weight, and a dynamic unbalance by using only one hybrid sensor, has a simple structure, and easily performs a signal processing.

REFERENCES:
patent: 4742698 (1988-05-01), Torita
patent: 5144819 (1992-09-01), Hiyama et al.
patent: 5743115 (1998-04-01), Hashimoto
patent: 5850746 (1998-12-01), Lee

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