Washing machine and method of controlling the same

Details Washing machine and method of controlling the same Washing machine and method of controlling the same

2008-03-11

2008-03-11

Perrin, Joseph L. (Department: 1792)

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

C068S012060, C068S023100

Reexamination Certificate

active

07340791

ABSTRACT:
A washing machine and a control method thereof are provided, which control a rotational speed of a rotary tub (or revolutions per minute: RPM of a motor) according to a vibration level thereof to attenuate a vibration of the rotary tub. The washing machine includes the rotary tub, the motor, a vibration detecting unit and a control unit. The motor is linked to the rotary tub to be supplied with drive power and rotates the rotary tub. The vibration detecting unit detects the vibration level of the rotary tub using a variation of the drive power supplied to the motor when the motorrotates. The control unit controls a current rotational speed of the motor to be increased, maintained or decreased according to the vibration level of the rotary tub detected by the vibration detecting unit.

REFERENCES:
patent: 5452594 (1995-09-01), Kim et al.
patent: 5834650 (1998-11-01), Kim
patent: 5946947 (1999-09-01), Lee et al.
patent: 6470751 (2002-10-01), Baek
patent: 2002/0100329 (2002-08-01), Baek
patent: 2003/0015039 (2003-01-01), Baek
patent: 2006/0164093 (2006-07-01), Ooe et al.
patent: 03264088 (1991-11-01), None
patent: 07204383 (1995-08-01), None
Electronic translation of JP 07204383.

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