High performance washing process for vertical axis automatic was

Details High performance washing process for vertical axis automatic was High performance washing process for vertical axis automatic was

1990-01-05

1991-01-29

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

8159, 68 17R, 68 235, 68148, D06F 2304, D06F 3902

Patent

active

049876279

ABSTRACT:
A method for laundering a textile wash load is provided for use in a vertical axis washing machine in which a concentrated detergent solution is continuously applied to a spinning wash load for a predetermined time period to thoroughly wet the clothes load. The initial charge of detergent is thoroughly mixed with the detergent in a recirculation step before being applied to the clothes load. The concentration wash liquid is incrementally applied to the spinning clothes load until a sufficient amount of wash liquid is detected as having been introduced to the wash zone. That amount of wash liquid is then recirculated and reapplied to the clothes load for a predetermined length of time. After the time period, additional water is added to the solution to dilute it to a normal concentration and then mechanical agitation and rinsing steps are conducted to complete the wash cycle.

REFERENCES:
patent: 3088304 (1963-05-01), Bochan
patent: 4697293 (1987-10-01), Knoop
patent: 4734949 (1988-04-01), Yamakawa et al.
patent: 4754622 (1988-07-01), Fanson
patent: 4784666 (1988-11-01), Brenner et al.
patent: 4791691 (1988-12-01), Fukuzawa et al.

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