Patent ID: 6182674
Filing Date: 2001-02-06
Classification: A47L

Abstract:
A dishwasher having a tub forming an interior wash chamber including a bottom wall, the tub receiving wash liquid from an inlet, the dishwasher comprising:a sump region defined by the bottom wall of the wash chamber, the sump having a sump outlet;a volute pump connected to the bottom wall for recirculating wash liquid throughout the wash chamber, the volute pump having an impeller and a casing surrounding the impeller, the casing having a main pump outlet and a secondary pump outlet;a wash arm positioned above the volute pump for receiving wash liquid from the volute pump through the main pump outlet and spraying wash liquid within the tub;a soil collector disposed below the wash arm, the soil collector receiving wash liquid from the volute pump through the secondary pump outlet, the soil collector further having a drain outlet;a drain pump independently operable from the volute pump for draining wash liquid through the soil collector drain outlet and the sump outlet; anda valve disposed at the sump outlet for selectively opening and closing the sump outlet when the volute pump is operating to pump wash liquid.