Dishwasher soil separator

Details Dishwasher soil separator Dishwasher soil separator

1979-06-14

1981-01-06

Bleutge, Robert L.

Cleaning and liquid contact with solids

Apparatus

With means for collecting escaping material

134109, 134186, 2105321, B08B 302

Patent

active

042434319

ABSTRACT:
A dishwasher apparatus having an improved soil separator arranged to bypass a portion of the dishwashing liquid being circulated by the circulation impeller and to separate from the bypass portion of the dishwashing liquid soil which may have been entrained therein. The cleansed dishwashing liquid is then returned to the circulation system for reuse in effecting the dishwashing operation. The soil separator is further arranged to separate from the dishwashing liquid delivered thereto air which may have been entrained in the liquid and return the air to the dishwashing liquid being circulated for washing the dishes. The structure for collecting the soil is arranged to collect the soil from a relatively slowly moving portion of the bypassed liquid. The soil separator structure is arranged to effectively discharge the collected soil to drain upon initiation of a drain operation. The drain port is disposed downstream of the collecting space and the separator structure is arranged to cause flow of dishwashing liquid past the collecting space and concurrently reversely from the outlet of the separator structure so as to provide a turbulent delivery of the collected soil to the drain port. The drain port is arranged to be maintained free of collected soil during the normal operation of the dishwasher and may be disposed adjacent the return outlet of the separator structure. The cross section of the liquid bypass passage may gradually increase from the inlet to the outlet thereof to facilitate separation of the soil from the dishwashing liquid. The drain port is located in an area of relatively rapid movement of the dishwashing liquid to provide improved cleansing of the drain port in the draining operation.

REFERENCES:
patent: 2155868 (1939-04-01), Pauly et al.
patent: 2700978 (1955-02-01), Pietsch
patent: 3457929 (1969-07-01), Madden
patent: 4150680 (1979-04-01), Johnson et al.
patent: 4168715 (1979-09-01), Spiegel et al.

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