Patent ID: 9163346
Filing Date: 2015-10-20
Classification: D06F

Abstract:
1. A washing machine system comprising: an outer tub; a cylindrical basket rotatably supported within the outer tub, the basket shaped and sized to receive launderable items and wash water during a wash operation; a drive motor selectively rotating the basket during the wash operation; a balance ring associated with the basket, the balance ring containing at least one counterweight adapted to move within the balance ring to compensate for an imbalanced mass during rotation of the basket; and a controller in electronic communication with the drive motor, the controller programmed to: wherein the controller determines a minimum resonance speed and a maximum resonance speed and compensates for the imbalanced mass during rotation of the basket; and wherein the controller causes the drive motor to rotate the basket according to a constantly variable rotational acceleration from the predetermined minimum resonance speed to the predetermined maximum resonance speed.