Patent ID: 9609996
Date: 2017-04-04
CPC Classifications: A47L,D06F,Y10T

Claim:
1. A method for pumping fluid out of an aquiferous household device having a circulation pump, a drain pump, and a control unit, said method comprising: activating the circulation pump at a first of operational speed in a first operation and lowering the speed of the circulation pump over time to a second operational speed, substantially without pressure surges, starting the drain pump and deactivating the circulation pump once the circulation pump reaches the second operational speed, deactivating the drain pump after operating the drain pump for a first predetermined period that drains a first quantity of the fluid, reactivating the circulation pump, deactivating the circulation pump after operating for a second predetermined period, and reactivating the drain pump at the conclusion of the second predetermined period to drain a second quantity of the fluid.