Control system for a washing machine

Details Control system for a washing machine Control system for a washing machine

1991-05-15

1992-12-01

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307115, 307116, 307139, 318 66, 318268, 388930, H02P 500

Patent

active

051681722

ABSTRACT:
A control system for a washing machine which controls an induction motor to generate an optimum torque in accordance with a load amount of laundry and whether the washing machine is operating in a washing or drying mode. The control system drives the motor at an optimum torque by varying the input voltage in accordance with the sensed load and sensed mode of operation. This allows a washing machine according to the invention to operate more efficiently and with less noise than conventional washing machines.

REFERENCES:
patent: 3851236 (1974-11-01), Dennhardt et al.
patent: 3962615 (1976-06-01), Spangler
patent: 4475070 (1984-10-01), Wilkerson

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