Method of braking a dehydrating vessel in a washing machine

Details Method of braking a dehydrating vessel in a washing machine Method of braking a dehydrating vessel in a washing machine

1998-03-20

1999-06-22

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

68 1202, 68 1212, 68 1214, D06F 3302

Patent

active

059139528

ABSTRACT:
Disclosed is a method of braking a dehydrating vessel in a washing machine which uses a switched reluctance (SR) motor as a rotary power source of the dehydrating vessel, capable of minimizing a noise generated when stopping the SR motor. In a washing machine using the SR motor, it is firstly determined whether the door of the washing machine is opened. As the result of the determination, in the case that the door of the washing machine is opened, the rotating speed of the dehydrating vessel is detected, and then the dehydrating vessel is stopped by varying the duty ratio of the current according to the rotating speed of the dehydrating vessel and then applying the current to the armature coil of the motor.

REFERENCES:
patent: 5824114 (1998-10-01), Pyo

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