Softening unit for appliance

Details Softening unit for appliance Softening unit for appliance

1976-12-27

1978-05-23

Hart, Charles N.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

68 13A, 1375135, 137517, 210190, C02B 122

Patent

active

040909638

ABSTRACT:
A water softening unit positioned between the mixing valve and washing basket of a washing machine includes a housing having a water inlet and outlet and an inlet for the introduction of salt into the housing. A partition divides the housing into a regeneration chamber and an ion-exchange chamber communicating with one another at one end of the partition. A pressure relief valve is located in the partition. A flow restriction valve located between the housing inlet and the regeneration chamber restricts flow through the softening unit when actuated, thereby allowing complete and thorough regeneration. The valve is normally open and when operated manually or otherwise to its alternate or actuated position, it remains in its actuated condition until the regeneration operation is completed.

REFERENCES:
patent: 407981 (1889-07-01), Williams
patent: 3016146 (1962-01-01), Smith et al.
patent: 3474906 (1969-10-01), Tennis
patent: 3680703 (1972-08-01), Borochaner

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