Soil separator drain valve

Details Soil separator drain valve Soil separator drain valve

1980-09-22

1982-03-16

Bleutge, Robert L.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

134104, 137387, 210411, B08B 302

Patent

active

043195989

ABSTRACT:
A dishwasher structure having a centrifugal pump for providing dishwashing liquid to a spray arm thereof. The swirling motion of the dishwashing liquid effected by operation of the pump is utilized to divert a portion of the liquid to an accumulator wherein soil material is collected from the liquid. The cleansed liquid is returned to the pump chamber to be repumped with additional dishwashing liquid. A drain is provided for draining the dishwashing liquid and collected soil at the end of the dishwashing cycle and is controlled by a pressure-responsive drain valve which is operated by differing pressure conditions automatically during dishwashing and drain cycles respectively.

REFERENCES:
patent: 1971588 (1934-08-01), Stoddard et al.
patent: 2664966 (1954-01-01), Moore
patent: 3023757 (1962-03-01), Mixon
patent: 3313311 (1967-04-01), Gilson
patent: 3364860 (1968-01-01), Schmitt-Matzen
patent: 3434671 (1969-03-01), Cushing et al.
patent: 3709236 (1973-01-01), Field et al.
patent: 3807419 (1974-04-01), Cushing et al.
patent: 3981456 (1976-09-01), Hahn et al.
patent: 4150680 (1979-04-01), Johnson et al.
patent: 4168715 (1979-09-01), Spiegel et al.

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