Washings weight detection and washing operation control system

Details Washings weight detection and washing operation control system Washings weight detection and washing operation control system

1987-12-02

1989-09-05

Hornsby, Harvey C.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

D06F 3302

Patent

active

048627100

ABSTRACT:
A motor load detector detects an electrical value representing a rise characteristic of a motor, which varies in accordance with a load acting on the motor serving as a power source for a series of operations including a wash cycle and a spin-drying cycle executed by an electric washing machine for washing and spin-drying. A determining section receives a value detected by the motor load detector during the spin-drying cycle, and determines a weight of washings contained in the electric washing machine in accordance with a time which has elapsed until the detected value reaches a second reference value from a first reference value. The determined washings weight is used in a cycle subsequent to the spin-drying cycle.

REFERENCES:
patent: 3029825 (1962-04-01), Cushing
patent: 4235085 (1980-11-01), Torita
patent: 4607408 (1986-08-01), Didier et al.
patent: 4741182 (1988-05-01), Didier et al.
patent: 4742698 (1988-05-01), Torita

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