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    • 14. 发明申请
    • LAUNDRY TREATMENT APPLIANCE WITH DRY ESTIMATE OF THE AMOUNT OF LAUNDRY LOAD
    • WO2020193139A1
    • 2020-10-01
    • PCT/EP2020/056526
    • 2020-03-11
    • ELECTROLUX APPLIANCES AKTIEBOLAG
    • BENINATO, DanieleMAZZON, AndreaBONDI, MartinoZATTIN, AndreaSTABON, Elisa
    • D06F33/57D06F34/18
    • A laundry treatment appliance (100) is disclosed. The laundry treatment appliance (100) comprises: a rotatable drum (115) adapted to house a laundry load to be treated; an electric motor (145) adapted to rotate the rotatable drum (115); at least one compartment (2101, 2102) adapted to contain multiple doses of a treatment agent for laundry treatment, and a control unit (140) for controlling laundry treatment appliance operation, the control unit (140) being configured to: ( i ) before any delivery of water to the laundry load during a selected laundry treatment cycle: - control (405) the electric motor to cause said rotatable drum (115) to be rotated with a predefined speed profile comprising a ramp speed profile portion ( Ra(k) ) in which the rotatable drum (115) is accelerated from a first rotational speed ( B1 ) to a second rotational speed ( B2 ) higher than the first rotational speed (B1), and a constant speed profile portion ( S(k) ) in which the rotatable drum (115) is constantly rotated at said second rotational speed ( B2 ); - determine (420a; 420b) an estimate of the amount of laundry load according to one or more parameters of the electric motor (145) being acquired (410) during rotation of the rotatable drum (115) with the predefined speed profile; - according to said estimate of the amount of laundry load, determine (430) a treatment agent dose to be used during the selected laundry treatment cycle, and ( ii ) after having determined the treatment agent dose to be used during the selected laundry treatment cycle: - cause (440a; 440b) delivery of water to the laundry load, and - cause (440a; 440b) delivery of the determined treatment agent dose to the laundry load.