WASHING MACHINE OF DRUM TYPE Russian patent published in 2010 - IPC D06F33/02 

FIELD: personal use articles.

SUBSTANCE: washing machine of drum type has washing tank with drum arranged in vessel, motor, vibration sensor, device for calculation of frequency component and controller. Drum with at least one mixing ledge on inner peripheral wall is located in washing tank and serves for location of laundry. Vibration sensor determines vibration acceleration of washing tank. Device for calculation of frequency component calculates frequency component of vibration acceleration determined by vibration sensor. Controller controls mode of continuous reversible rotary motion and determines condition of laundry in drum in process of washing or rinsing on the basis of data obtained from device for calculation of frequency component.

EFFECT: achievement of optimal washing mode due to determination of laundry condition inside drum independently on its volume, type of cloth, amount of washing detergent or water.

8 cl, 10 dwg