Patent ID: 8042557
Filing Date: 2011-10-25
Classification: A47L

Abstract:
1. Multitank conveyor-type dishwasher for washing items to be washed, comprising a conveying apparatus for conveying the item to be washed through the multitank conveyor-type dishwasher in a conveying direction; at least two cleaning zones which are arranged in succession in the conveying direction and a final-rinse zone downstream, as seen in the conveying direction, of the cleaning zones; wherein each cleaning zone has an associated tank and associated spray nozzles for spraying liquid from the associated tank onto the item to be washed; a liquid forward-flow apparatus between the two successive cleaning zones for transferring liquid between these cleaning zones in a forward-flow direction counter to the conveying direction; characterized in that a liquid recirculation apparatus is provided for transferring liquid, which has been deflected by the item to be washed counter to the conveying direction, from a front cleaning zone, as seen in the conveying direction, into a rear cleaning zone which is arranged downstream of the front cleaning zone, as seen in the conveying direction; wherein the liquid recirculation apparatus has a recirculation line and an associated pump for pumping the liquid of the front cleaning zone into the rear cleaning zone; and wherein the liquid recirculation apparatus is designed to pump liquid to the tank which is associated with the rear cleaning zone.