Washing machine

Details Washing machine Washing machine

1981-01-30

1983-02-08

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Single tub and automatic sequential operation mechanism

D06F 3302

Patent

active

043721346

ABSTRACT:
A water receiving tub of a washing machine is provided with a washing liquid transparency detector disposed in it at its bottom, and washing and rinsing operations are controlled according to the output signal from the detector. In the washing operation, the output signal of the detector is compared with a reference signal during pause periods of a pulsator, i.e., when air bubbles formed by a detergent float up, and in the rinsing operation the comparison is made during rotation periods of the pulsator, i.e., when air bubbles are brought to the bottom of the water receiving tub by the stream of the washing liquid.

REFERENCES:
patent: 3114253 (1963-12-01), Morey et al.
patent: 3613405 (1971-10-01), Shimokusu et al.
patent: 4222250 (1980-09-01), Torita

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