D - Textiles – Paper – 06 – F
Patent
D - Textiles, Paper
06
F
D06F 33/02 (2006.01)
Patent
CA 2494429
Washing machine comprising a rotating drum, an electric motor apt to put the drum into rotation, measurement means of the drum rotational speed, means able to detect the torque provided by said motor, computing and control means able to determine and control the instantaneous speed of the drum, wherein, before of the spinning phase, said computing and control means activates the machine into rotation at a predefined speed (Wmain) with the laundry retained on the drum inner wall, compute the static unbalance (m) and the elevation moment (Mel), check if both the following conditions are met: the static unbalance mass (m) is less than a pre-determined value and the absolute value of the elevation moment is less of a predetermined value; if at least one of the unbalancing mass values, or one of the values of said elevation momentum (Mel) are higher than a predetermined respective values, said computing means calculate the difference between the value of said unbalancing mass and the respective said predetermined maximum value, and if said difference is higher than a predetermined limit, said computing and control means will command a predermined speed increase; if not, they command a predetermined speed reduction.-
Altinier Fabio
Galassi Stefano
Giovagnoni Marco
Electrolux Home Products Corporation N.v.
Gowling Lafleur Henderson Llp
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