Patent ID: 9334603
Filing Date: 2016-05-10
CPC Classification: D06F

Claim Text:
1. A control method of a clothing dryer provided with a drum to accommodate an object to be dried, a motor to generate power to rotate the drum, and a belt to transfer the power of the motor to the drum, the control method comprising: rotating the drum according to operation of the motor to dry the object; detecting a degree of dryness of the object for a specific time and calculating change in the degree of dryness; converting the degree of dryness to pulse values, and accumulating deviations of the pulse values for the specific time; determining that the belt is abnormal if a mean absolute deviation of the accumulated pulse values is equal to or less than a set value, the abnormality being that the belt is either broken or displaced; and stopping the motor when determining that the belt is abnormal.