Cleaning device for kitchen appliances and pump systems

A clean apparatus for a kitchen cooking device having a cooking space, which is delimited by at least one wall, and at least one outlet opening for a liquid, said apparatus comprising, in combination:

• a ventilation fan associated with the cooking space and a drive motor for the ventilation fan;
• a collecting tank which at least temporarily collects the liquid that exits the cooking space via the outlet opening;
• a supply line for at least one of fresh water and a cleaning fluid, the supply of fresh water and cleaning fluid being controlled by a valve provided in the supply line;
• a circulating pump at the collecting tank for the liquid sitting in the collecting tank;
• a circulation line by which the liquid sitting in the collectin tank and conveyed by the circulating pump can be transported to the cooking space;
• a drain line for discharging the liquid exits from the cooking space;
• a drain pump arranged at the collecting tank in addition to the circulating pump, via which the liquid sitting in the collecting tank can be conveyed actively into a discharge line together with solids that may be contained therein;
• a riser arranged between the collecting tank and a drain pipe, wherein the drain pump is dimensioned such that the liquid sitting in the collecting tank and the solids therein are removed via the riser;
• and
• a non-return valve arranged in the riser that prevents a back flow of the liquid that is located in the riser into the collecting tank,
• wherein a conveyor wheel of the drain pump is provided beneath a conveyor wheel of the circulating pump relative to the horizontal installation position of the cleaning apparatus, and further comprising a distributed power source for powering the drive motor for the ventilation fan, a circulating pump motor driving the conveyor wheel of the circulating pump and a drain pump motor for powering driving the conveyor wheel of the drain pump, said distributed power source having a first inverted rectifier for the drive motor of the ventilation fan, a second inverted rectifier for the circulating pump motor and a third inverted rectifier for the drain pump motor, as well as a common supply unit for the first, second and third inverted rectifiers, wherein the common supply unit includes a rectifier and an intermediate circuit, and
• further comprising a pump system for the cleaning apparatus, said pump system comprising, in combination:
• (1) a first pump configured as a drain pump, (2) a second pump configured as a circulating pump, and (3) a single collection pot for a liquid that can be conveyed by means of the first and second pumps, wherein the collection pot is provided as an integral part of the collecting tank of the cleaning apparatus, wherein the first pump is arranged to empty the collection pot and the second pump is arranged to circulate the liquid provided in the collection pot, and wherein the first and second pumps are flange-mounted to the collection pot.