Washing machine

Details Washing machine Washing machine

1991-03-25

1992-03-03

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

68 1214, D06F 3302

Patent

active

050921401

ABSTRACT:
A washing machine installed with a brushless motor for driving an agitator and an inner tub includes a storage device storing a data table representative of a plurality of preselected rotational speed values and values of voltage applied to the brushless motor driven at each preselected speed with respect to every different load applied to the brushless motor, a load amount determining device, a control device determining the voltage applied to the motor based on the data table when one preselected speed is selected with an operating switch. An amount of load is determined when one preselected speed is selected. A suitable value of applied voltage is selected which value has a predetermined relation to the preselected speed selected in the condition of the determined amount of load. The amount of load is determined by collating the load amount and the number of revolution with the data table.

REFERENCES:
patent: 4235085 (1980-11-01), Torita
patent: 4607408 (1986-08-01), Didier et al.

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