Method for operating a household dishwasher and household dishwasher for carrying out the method
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United States of America Patent
Stats
-
Sep 23, 2003
Grant Date -
Aug 30, 2001
app pub date -
Mar 12, 2001
filing date -
Sep 11, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a method for operating a household dishwasher, said dishwasher comprising a washing compartment, which is filled by a fresh water supply line, said supply line being provided with an inlet valve, a circulating pump that is connected to the washing compartment on the suction side and to at least one spray device on the delivery side; an evacuation pump, which is connected to the washing compartment on the suction side and to a discharge line on the delivery side, and a program control device, which also contains control units for controlling the pumps. The aim of the invention is to provide a simple way of partially replacing the washing liquid without any unnecessary consumption of water or energy. To this end, both pumps are operated in order to partially replace the washing liquid and the quantity of washing liquid to be pumped out and replaced is determined using the speed of the variable-speed circulating pump.
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