Electrolux Appliances Aktiebolag

Electrolux Home Products Corporation N.v.

Electrolux Home Products, Inc.

Elisa Stabon

Andrea Zattin

Maurizio Del Pos

Martino Bondi

Elena Pesavento

Andrea Mazzon

Nicola Reid

Daniele Favaro

Maurizio Ugel

Paolo Driussi

Paolo Quattrin

Monica Celotto

Mario Filippetti

Allison White

Yihong Li

Giuseppe Dreossi

Mirko Gasparini

Alberto Lucchetta

Marco Clara

Enrico De Michieli

Daniele Beninato

A laundry treatment appliance having: a drawer comprising first and second compartments each being adapted to contain multiple doses of a treatment agent for laundry treatment, first and second pumps adapted to draw up treatment agent doses from the first and second compartments, respectively, and a control unit for controlling the first and second pumps, wherein the control unit is configured to cause the first and second pumps to coordinately draw up the treatment agent doses over at least one washing cycle by determining a gradual concurrent emptying of the first and second compartments over said at least one washing cycle.

Laundry treatment appliance with coordinated drawing up of treatment agent

A laundry appliance having a treatment chamber and a control unit configured to perform a first set of phases of a selected treatment cycle using a dose of a treatment agent, and a treatment agent delivering device. The control unit is further configured to: receive a first command that enables the delivering device and thereupon: calculate a first amount of treatment agent, and cause the delivering device to deliver the dose to the laundry treatment chamber; and, upon receiving a second command for an intensive treatment mode: cause the laundry appliance to perform a second set of phases in addition to said first set of phases, and calculate a second amount of treatment agent when both the first and second commands are received, so that said dose comprises said first amount of treatment agent plus said second amount of treatment agent.

Laundry appliance with improved intensive treatment mode

A laundry treatment appliance having a rotatable drum, an electric motor; at least one compartment to contain multiple doses of treatment agent, and a control unit The control unit is configured to, before delivering water: rotate the drum with a predefined speed profile comprising an accelerating ramp speed profile portion and a constant speed profile portion; estimate the amount of laundry load according to one or more parameters of the electric motor acquired during the drum rotation with the predefined speed profile; and according to said estimate, determine a treatment agent dose to be used during the selected laundry treatment cycle. The control unit is configured to, after determining the treatment agent dose, deliver water to the laundry load, and deliver the determined treatment agent dose to the laundry load.

Laundry treatment appliance with dry estimate of the amount of laundry load

A method for controlling a laundry washing machine. The method includes: performing a tub loading process comprising operating supply valve(s) to provide a first volume of water through a detergent supply system and into a tub to fill the tub with wash liquid; performing a washing process comprising rotating a drum to agitate laundry in in the presence of the wash liquid; performing a static rinsing process comprising operating a pump to remove a free volume of wash liquid from the tub without rotating the drum; and performing one or more rinsing processes comprising: operating the supply valve(s) to provide a volume of clean rinse water to the tub, operating the pump to remove the rinse water from the drum, and operating the motor to spin the drum at high speed to extract rinse water from the laundry, while continuing to operate the pump.

Method and apparatus for cleaning laundry

A method for operating a laundry machine having a rotatable drum a tub enclosing said drum; a water supply; a control unit a laundry treatment agent dispensing device configured to hold and deliver at least one of a laundry detergent and a laundry softener; and a control system configured to provide a softener signal that alternately assumes a first value indicating that no laundry softener will be delivered, and a second value indicating that laundry softener will be delivered. The method comprises: performing a washing phase in which detergent is delivered into the tub; and performing a number of rinsing phases wherein detergent from the washing phase is removed using water from said water supply apparatus, wherein the control unit sets the number of rinsing phases according to whether the softener signal assumes the first value or the second value.

Laundry softener dispensing in laundry machines

Laundry washing machine () has an outer casing (), a washing tub (), arranged inside the casing (), a rotatable drum (), arranged in axially rotating manner inside the washing tub () and is designed to receive laundry to be washed. The machine further has a detergent dispensing assembly (), designed for supplying laundry detergent into the washing tub (), a water softening system (), designed to receive fresh water from a water mains () and reduce the hardness degree of the fresh water in order to supply softened water to the detergent dispensing assembly () and/or to the washing tub (), during one or more softened water laundry washing phases. The machine further has a control panel () configured to allow operator to input information associated with a laundry washing course having one or more softened water laundry washing phase/s; and a controller () configured to determine a time saving value (tSi) of one or more laundry washing phases of the washing courses to be performed, based on the softened water laundry washing phase/s of said laundry washing course.

Laundry washing machine with water softening system and method for controlling a laundry washing machine

A method to control a washing machine including a tub and a drum rotatably mounted inside the tub. The method includes and configured to contain laundry to be washed, the method comprising setting a wash cycle, calculating a first duration of the washing cycle based on a weight of the laundry before adding water to the tub, and: (i) when the weight is above the threshold, introducing water into the tub, calculating a second weight of the laundry, calculating a second duration based on the second weight, or (ii) when the weight is below the threshold, updating the first duration while executing the washing cycle, without calculating a second duration.

Method to control a washing machine and a washing machine

A method is provided for treating laundry in a laundry washing machine. The method includes at least one washing phase during which the laundry is washed with introduction of water and the detergent into a washing tub and tumbled by rotation of a washing drum, at least one successive draining phase for draining liquid from the washing tub and following the draining phase at least one rinsing step in which the laundry is soaked with water, and a final rinsing step in which the laundry is treated by means of a rinse additive. An additive supply step is also included, where water is introduced into the tub together with the additive. Before the additive supply step, in a saturation step, the laundry is provided with a saturation amount of water for saturating said laundry.

Method for treating laundry in a laundry washing machine and laundry washing machine

A method for washing laundry in a washing machine utilizes a washing tub external to a rotatable washing drum. The method includes providing a quantity of detergent, providing a first quantity of water to form with the detergent a quantity of washing solution, introducing the washing solution into the tub, recirculating the washing solution inside the tub by recirculation until the washing solution is absorbed by the loaded laundry inside the drum and the level of the washing solution is below the drum, activating a heater for heating the wetted loaded laundry inside the drum deactivating the heater and maintaining the heated wetted loaded laundry inside the drum for a predetermined dry maintenance time, supplying a second quantity of water in the tub, rotating the drum, and rinsing the loaded laundry by drum rotations and by liquid drainage from the tub.

Method for washing laundry in a laundry washing machine and laundry washing machine

Laundry washing machine () having an outer casing (), a washing tub (), arranged inside the casing (), a rotatable drum (), arranged in axially rotating manner inside the washing tub () and designed to receive laundry to be washed, and a detergent dispensing assembly (), designed for supplying laundry detergent into the washing tub (). The washing machine also has a water softening system (), designed to receive fresh water from a water mains () and reduce the hardness degree of the fresh water in order to supply softened water to the detergent dispensing assembly () and/or to the washing tub (), during one or more softened water laundry washing phases of a laundry washing program. A control panel is configured to allow an operator to input information associated with the kind of laundry to be washed, and an electronic controller () is configured to receive information and to control water softening system () in order to perform one or more softened water laundry washing phases during washing program, based on received laundry information.

Laundry washing machine and method for controlling a laundry washing machine

Laundry washing machine () has an outer casing (), a washing tub (), arranged inside the casing (), and a rotatable drum (), arranged in axially rotating manner inside the washing tub () and designed to receive laundry to be washed The machine also has a detergent dispensing assembly (), designed for supplying detergent/water into the washing tub (), a water softening system (), designed to receive fresh water from a water mains () and configured to reduce the hardness degree of the fresh water in order to supply softened water to the detergent dispensing assembly () and/or to the washing tub () during one or more softened water laundry wash phases. The machine also has a heating device () to heat the water loaded in the washing tub () so as to regulate the temperature of the loaded water, a control panel () configured to allow the operator to input information indicative of a washing course to be performed, wherein the washing course has one or more softened water laundry wash phases, and a controller () configured to control the heating device () to regulate the temperature of the water loaded in the washing tub () based on the softened water laundry wash phase/s of the laundry washing course.

A method () for operating a laundry washing appliance (), such as a washing machine or a combined washer-dryer, having a washing chamber () to wash goods according to a wash program selected by a user including at least a washing cycle. The method includes adding () a detergent to a washing liquor () within the washing chamber () during a washing phase of the washing cycle, the washing phase having a predefined duration; performing () a plurality of measurements of the conductivity of the washing liquor () in order to collect a set of conductivity measurements (C, . . . , C) defining a conductivity curve analyzing the set of conductivity measurements (C, . . . , C) in order to determine () if a condition of substantial invariability of the conductivity measurements (C, . . . , C) is reached and/or detect () if the related conductivity curve shows a peak. The method also includes extending () the predefined duration of the washing phase, if after a first preset time period (T) starting from the beginning of the washing phase, no conductivity increase or peak in the conductivity curve is detected; and/or extending () the predefined duration of the washing phase, if after a second preset time period (T) starting from the beginning of the washing phase, the condition of substantial invariability of the conductivity measurements (C, . . . , C) has not been reached.

Method for operating a laundry washing appliance and laundry washing appliance implementing the same

Laundry washing machine () has an outer casing (), a washing tub (), arranged inside the casing (), a rotatable drum (), arranged in axially rotating manner inside the washing tub () and is designed to receive laundry to be washed. The machine further has a detergent dispensing assembly (), designed for supplying laundry detergent into the washing tub (), a water softening system (), designed to receive fresh water from a water mains () and reduce the hardness degree of the fresh water in order to supply softened water to the detergent dispensing assembly () and/or to the washing tub (), during one or more softened water laundry washing phases. The machine further has a control panel () configured to allow operator to input information associated with a laundry washing course having one or more softened water laundry washing phase/s; and a controller () configured to determine a detergent saving amount (QS) to load in the detergent dispensing assembly () and/or to supply to the washing tub (), based on the softened water laundry washing phase/s of the laundry washing course to be performed.

Laundry washing machine () having an outer casing (), a washing tub (), arranged inside the casing (), a rotatable drum (), arranged in axially rotating manner inside the washing tub () and designed to receive laundry to be washed, and a detergent dispensing assembly (), designed for supplying laundry detergent into the washing tub (). The washing machine also has a water softening system (), designed to receive fresh water from a water mains () and reduce the hardness degree of the fresh water in order to supply softened water the detergent dispensing assembly () and/or to the washing tub (), during one or more softened water laundry washing phases, and a control panel () configured to allow operator to input information associated with washing performance/s. A controller () is configured to control the water softening system () in order to perform a washing program comprising one or more softened water laundry washing phases based on input washing performance/s information.

A laundry washing machine includes a washing tub () external to a rotatable washing drum () adapted to receive laundry. The machine further includes a water supply circuit () to supply water into the washing tub (), a washing/rinsing products supplier () to supply washing/rinsing products into the washing tub (), a liquid outlet circuit () suitable for withdrawing liquid from the washing tub () and conveying such a liquid to the outside. The machine further includes a first recirculation circuit () suitable for withdrawing liquid from the washing tub () and re-admitting such a liquid into a first region () of said washing tub (), wherein the first recirculation circuit () includes a first recirculation pump () suitable for forcing liquid inside the first recirculation circuit () and a second recirculation circuit () suitable for withdrawing liquid from the washing tub () and re-admitting such a liquid into a second region () of the washing tub (). The second recirculation circuit () includes a second recirculation pump () suitable for forcing liquid inside the second recirculation circuit ().

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Gorizia, Italy

Elisa Stabon