Dishwashing apparatus

Details Dishwashing apparatus Dishwashing apparatus

1982-10-18

1985-12-24

Marcus, Stephen

Cleaning and liquid contact with solids

Apparatus

Automatic controls

134 57D, 134 18, 134 252, 134109, B08B 302, B08B 704

Patent

active

045599599

ABSTRACT:
A multiple-fill dishwasher and method includes a wash chamber having a sump at the bottom thereof, a remotely controlled inlet valve for supplying cleansing liquid into the sump, a drain for draining liquid and entrained soil from the sump, and a recirculating pump having a spraying system receiving the output thereof for spraying liquid onto soiled ware contained within the chamber. A control circuit controls the valve, drain means, and pump to perform a selected one of a plurality of different cleansing cycles which are automatically selected according to the extent of soil on the ware. An operator-actuated switch for commencing operating of the control circuit, and a chamber for collecting soil particles in a concentrated fashion during liquid recirculation, are also provided. The improvement comprises a sensor responsive to a predetermined particulate soil concentration in the soil collection chamber, the sensor being operable during liquid recirculation to cause the control circuit to select either a cycle designed to wash heavily soiled ware, or a cycle designed to wash lightly soiled ware.

REFERENCES:
patent: 3114253 (1963-12-01), Morey et al.
patent: 3279481 (1966-10-01), Sones et al.
patent: 3477258 (1969-11-01), Walker et al.
patent: 3807418 (1974-04-01), Jenkins
patent: 3888269 (1975-06-01), Bashark
patent: 4392891 (1983-07-01), Meyers

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