Cleaning and liquid contact with solids – Apparatus – With means for collecting escaping material
Patent
1991-08-19
1992-11-24
Coe, Philip R.
Cleaning and liquid contact with solids
Apparatus
With means for collecting escaping material
134111, 134186, 210171, A47L 1523, A47L 1542
Patent
active
051654334
ABSTRACT:
A combination motor-pump and soil separator assembly includes a reversible motor which drives a wash pump and a drain pump. When operated in a wash mode, the wash pump directs pressurized wash liquid to one or more wash arms. In addition, a centrifugally sampled portion of the wash liquid containing a high concentration of entrained soil particles is directed to a guide chamber. The guide chamber is in fluid communication with a soil container, which receives the wash liquid to be treated. Soil-laden water received within the soil container is passed through fine filters disposed in a wall of the soil container, resulting in a cleansed wash liquid. The cleansed wash liquid is then returned to the wash pump, where additional wash liquid is added, for recirculation within the dishwasher. Upon completion of a wash cycle, the motor is operated in the opposite direction, providing a draining action within the soil collector.
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Coe Philip R.
Krefman Stephen D.
Roth Thomas J.
Turcotte Thomas E.
Whirlpool Corporation
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