Washing machine motor speed control

Details Washing machine motor speed control Washing machine motor speed control

H - Electricity

01

H

341/92

H01H 47/00 (2006.01) D06F 37/30 (2006.01)

Patent

CA 1111939

ABSTRACT: A motor speed control circuit for use in washing machine includes a timer which in normal opera- tion accelerates the motor from a wash speed to a distri- bution speed before a fast acceleration to the spin dry speed. The control circuit includes speed measurement means for maintaining the motor at spin speed ln the event of a power interruption during a spin cycle pro- vided the drum speed remains above a given critical speed when the power returns. If not, a redistribution cycle takes place before the motor is accelerated to its spin speed.

282205

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