Patent ID: 6623565
Filing Date: 2003-09-23
Classification: A47L,Y02B

Abstract:
A method for operating a household dishwasher, which comprises:filling a washing container through a fresh-water feedline having an inlet valve; connecting a variable-speed circulating pump to the washing container on a suction side of the circulating pump and to at least one spray device on a delivery side of the circulating pump; connecting an emptying pump to the washing container on the suction side of the emptying pump and to an outflow line on a delivery side of the emptying pump; providing a program control unit having control devices for controlling the circulating and emptying pumps; operating both of the circulating and emptying pumps during a partial exchange of the washing liquid; and determining a washing liquid quantity to be pumped away and thereafter to be introduced again by a rotational speed of the circulating pump.