Patents Assigned to Electrolux Appliances Aktiebolag
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Publication number: 20220213633Abstract: 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.Type: ApplicationFiled: April 16, 2020Publication date: July 7, 2022Applicant: Electrolux Appliances AktiebolagInventors: Andrea Zattin, Martino Bondi, Elisa Stabon
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Patent number: 11359325Abstract: A laundry washing machine having a casing, a washing tub located within the casing, a drum mounted within the washing tub and configured to rotate relative to the casing, a door attached to the casing and being openable to provide access to the drum, a receptacle configured to receive a unit dose package comprising a water soluble pouch containing a dose of cleaning product, a tub supply pipe fluidly connecting the receptacle to washing tub, and means for mechanically breaking the unit dose package.Type: GrantFiled: September 14, 2018Date of Patent: June 14, 2022Assignee: ELECTROLUX APPLIANCES AKTIEBOLAGInventors: Allison White, Yihong Li, Oscar Madalena
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Publication number: 20220162790Abstract: A method for washing laundry in a laundry washing machine comprising a washing tub external to a washing drum and an electrical conductivity detecting device. The method comprises the steps of comparing a first measured conductivity with a first threshold and comparing a second measured conductivity with a second threshold for performing one or more actions based on the result of said first comparison step and/or said second comparison step. The value of said second threshold is lower than the value of said first threshold.Type: ApplicationFiled: February 27, 2019Publication date: May 26, 2022Applicant: Electrolux Appliances AktiebolagInventors: Andrea Zattin, Martino Bondi
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Patent number: 11339600Abstract: The present invention relates to a door hinge system (10) for a pivoting door (30) of a domestic appliance (20), in particular for a pivoting oven door (30) of a cooking oven (20). The door hinge system (10) comprises a stationary hinge part (12) in arranged or arrangeable at or in a chassis of the domestic appliance (20). The door hinge system (10) comprises a pivoting hinge part (14) connected or connectable to the door (30). The door hinge system (10) comprises a driving device (16, 18, 22, 24) for driving the pivoting hinge part (14). The driving device includes at least one motor (16) coupleable to and decoupleable from the pivoting hinge part (14). The driving device (16, 18, 22, 24) is automatically controllable. The pivoting hinge part (14) is manually pivotable, if the motor (16) is decoupled from the pivoting hinge part (14).Type: GrantFiled: July 6, 2018Date of Patent: May 24, 2022Assignee: Electrolux Appliances AktiebolagInventors: Benjamin Himmelein, Mario Weber, David Joao Machado Martins
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Publication number: 20220154378Abstract: A method for washing laundry in a laundry washing machine comprising a washing tub external to a washing drum and a turbidity detecting device. The method comprises determining the soil level of the laundry by means of measurement of turbidity through the turbidity detecting device and performing at least one soil removal phase if the soil level is high.Type: ApplicationFiled: February 27, 2019Publication date: May 19, 2022Applicant: Electrolux Appliances AktiebolagInventors: Andrea Zattin, Martino Bondi
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Publication number: 20220154382Abstract: 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.Type: ApplicationFiled: March 11, 2020Publication date: May 19, 2022Applicant: Electrolux Appliances AktiebolagInventors: Daniele Beninato, Andrea Mazzon, Martino Bondi, Andrea Zattin, Elisa Stabon
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Patent number: 11330678Abstract: The invention relates to a method for boil detection at a heating zone of an induction hob (1), the method comprising the steps of: —disabling (S110) a power control mechanism of the induction hob by setting the frequency of the AC-current provided to an induction coil of the induction hob to a fixed value; —measuring (S120) values of an electrical parameter provided within the induction hob (1); —interpolating (S130) the measured electrical parameter values by gathering a plurality of values of the electrical parameter within a time window and calculating the average value of said gathered plurality of values thereby obtaining interpolated electrical parameter values. —calculating (S140) a gradient measure indicative for the differential change of the interpolated electrical parameter values over time; —determining (S150) the boil point based on the calculated gradient measure.Type: GrantFiled: August 16, 2017Date of Patent: May 10, 2022Assignee: Electrolux Appliances AktiebolagInventors: Nicola Terracciano, Laurent Jeanneteau, Alex Viroli, Massimo Nostro, Svend Erik Christiansen
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Publication number: 20220090309Abstract: A laundry washing machine equipped with a treating agents dispenser comprising a drawer having a compartment suitable to receive a unit dose package comprising a pre-measured amount of treating agent incorporated into a water-soluble pouch. The laundry washing machine has a control unit configured to convey a first amount of water to the compartment to wet the unit dose package, pause, then convey a second amount of water to the compartment for breaking the water-soluble pouch of the unit dose package.Type: ApplicationFiled: December 3, 2021Publication date: March 24, 2022Applicant: Electrolux Appliances AktiebolagInventors: Marco Mariuzzo, Michela Gasparollo
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Patent number: 11277888Abstract: A cooking hob includes at least one heating power transferring element with multiple concentrically arranged windings, one or more heating power energy units for powering the windings, a control unit that controls the heating power energy units, and detection means that determines the coverage of the windings by a cookware item. The control unit balances the heat provided to the cookware item by determining a rescaled electric power for the windings based on power requests and information regarding the coverage of the windings and establishes an operating cycle by determining a duty cycle for one or more windings. The duty cycle defines the activation time of the respective winding and is chosen such that the mean electric power provided to the respective winding within the operating cycle is equal or essentially equal to the rescaled electric power associated with the winding.Type: GrantFiled: June 13, 2019Date of Patent: March 15, 2022Assignee: Electrolux Appliances AktiebolagInventors: Massimo Nostro, Alex Viroli, Filippo Martini, Filippo Milanesi, Fabio Angeli, Laurent Jeanneteau
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Patent number: 11272583Abstract: An induction cooking hob includes a control unit and at least one cooking zone. The cooking zone includes at least three induction coils. At least one first group of one or more induction coils and at least one second group of two or more induction coils of the at least one cooking zone are alternatingly activatable or activated by a control unit.Type: GrantFiled: August 28, 2017Date of Patent: March 8, 2022Assignee: Electrolux Appliances AktiebolagInventors: Filippo Milanesi, Alex Viroli, Laurent Jeanneteau, Massimo Nostro, Fabio Angeli
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Patent number: 11268700Abstract: The invention relates to a gas burner comprising: —an injection holder (2) with at least three gas injectors (2.1, 2.2, 2.3); —a burner crown assembly (3), the burner crown assembly comprising at least three flame rings (FR1, FR2, FR3) with different sizes, the burner crown assembly further comprising at least three chambers (CH1, CH2, CH3) and at least three pipes (3.1.1, 3.1.2, 3.1.3), each pipe being fluidly coupled with a single chamber; wherein each gas injector is associated with one of said pipes for providing gas into said pipe, said pipe being adapted to receive primary air in the area of the injection holder and to provide a combustion mixture of gas and primary air to one of said flame rings of the burner crown assembly. In addition, adjacent flame rings are separated from each other based on an air gap (AG1, AG2) provided between said adjacent flame rings.Type: GrantFiled: June 25, 2018Date of Patent: March 8, 2022Assignee: Electrolux Appliances AktiebolagInventor: Areli Uribe
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Publication number: 20220061628Abstract: A dishwasher detergent dispenser having a set of restraints configured to retain a detergent tablet in a cavity of the detergent dispenser, and a water outlet configured to release water to a top section of the detergent dispenser.Type: ApplicationFiled: December 21, 2018Publication date: March 3, 2022Applicant: Electrolux Appliances AktiebolagInventors: Kristian Reunanen, Ivar Siösteen
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Publication number: 20220056630Abstract: A laundry dryer including: a drum, a motor to rotate the drum, a casing supporting the drum and including a rear wall and a front wall, a basement having first, second, third and fourth quarters with the first and third quarters on one side of a plane perpendicular to the basement plane and parallel to the drum axis, and the second and fourth quarters on an opposite side of the plane, a process air conduit in fluid communication with the drum and including a basement process air conduit located in the basement, and a heat pump circuit including a compressor, and first and second heat exchangers . The first and second heat exchangers are in the basement process air conduit mainly within third and fourth quarters, and the motor and compressor are mainly in, respectively, in the first and second quarters.Type: ApplicationFiled: December 21, 2018Publication date: February 24, 2022Applicant: Electrolux Appliances AktiebolagInventors: Francesco Cavarretta, Rudy Dal Molin, Davide Camata, Francesco Lucchini, Sergio Pillot
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Publication number: 20220056629Abstract: A laundry dryer having a drum, a casing supporting the drum and including a basement defining a basement plane, a basement process air conduit located in the basement and extending within the basement for a given length and having a basement air conduit width, and a heat pump having a first heat exchanger where refrigerant is cooled off and the process air is heated up, and a second heat exchanger where refrigerant is heated up and the process air is cooled off. The first heat and second heat exchangers are in the basement process air conduit to perform heat exchange between said refrigerant flowing in said heat pump circuit and said process air. The width of the basement air conduit along a first portion of its extension in the basement is wider than 50% of the width of the basement.Type: ApplicationFiled: December 21, 2018Publication date: February 24, 2022Applicant: Electrolux Appliances AktiebolagInventors: Francesco Cavarretta, Rudy Dal Molin, Davide Camata, Francesco Lucchini, Sergio Pillot
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Patent number: 11248334Abstract: A method for measuring the humidity of a laundry mass contained in a laundry treatment chamber of a laundry appliance. The method includes: providing a capacitor in the laundry appliance, the capacitor having, as part of the capacitor dielectric, the laundry mass; measuring a capacitance of the capacitor by means of an electronic circuitry electrically supplied by a supply voltage and a reference voltage. Providing a capacitor comprises: providing in the laundry appliance at least one conductive plate which forms a plate of the capacitor, and exploiting, as a second plate of the capacitor, routing lines distributing inside the laundry drying appliance the reference voltage.Type: GrantFiled: April 28, 2020Date of Patent: February 15, 2022Assignee: ELECTROLUX APPLIANCES AKTIEBOLAGInventors: Fabio Vitali, Vincenzo Romeo
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Publication number: 20220039631Abstract: A flow controller for controlling water flow from a pump pumping water from a sump of a dishwasher to a water conduit system of the dishwasher. The flow controller comprises a plate with openings. The openings form water outlets to the water conduit system. The flow controller also comprises a disc rotatably arranged in relation to the plate. The disc comprises openings arranged for allowing closing and opening of the water outlets in the plate during rotation of the disc. The flow controller comprises a cavity formed between the disc and the plate configured to allow water to flow back from the water conduit system via a water outlet in the plate being closed by the disc and via the cavity to a drain outlet in the plate. Hereby water can return from a closed water outlet in the plate via the drain outlet in the disc to the sump.Type: ApplicationFiled: December 20, 2018Publication date: February 10, 2022Applicant: Electrolux Appliances AktiebolagInventor: Anders Haegermarck
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Patent number: 11242644Abstract: A laundry treatment machine door assembly having a front frame and a cap element outwardly assembled to the front frame. The front frame and the cap element both comprise an irregularity which defines a handle for the door assembly.Type: GrantFiled: October 18, 2017Date of Patent: February 8, 2022Assignee: ELECTROLUX APPLIANCES AKTIEBOLAGInventors: Danny Buso, Marco Santarossa, Luca Pradal, Dario Braconi
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Publication number: 20220025569Abstract: A method and apparatus for breaking a unit dose package in a chamber within a post located in a basket of a laundry washing machine. The method includes filling the basket and the chamber, increasing a rotation speed of the basket and/or the post to raise the water level in the basket and lower the water level in the chamber to cause a unit dose package within the chamber to move downwards; reducing the rotation speed to lower the water level in the basket and raise the water level in chamber to cause the unit dose package within the chamber to move upwards; and repeating the steps of increasing and reducing the rotational speed to cause the unit dose package to break open and at least partially dissolve. A laundry washing machine configured to perform this process is also provided.Type: ApplicationFiled: October 4, 2021Publication date: January 27, 2022Applicant: Electrolux Appliances AktiebolagInventors: Yihong Li, Anthony Lufkin, Allison White, Terry Anderson
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Publication number: 20220025567Abstract: A method for redistributing a laundry load in a drum of a washing machine in order to reduce the unbalance generated to the nonuniform distribution of said laundry load in said drum. The method comprises: generating a sinusoidal motor speed profile (RS(t)), controlling the electric motor based on the sinusoidal motor speed profile (RS(t)), estimating unbalance value indicative of the unbalance of load in the laundry drum, estimating an inertia value indicative of the inertia of the load in the laundry drum, varying the amplitude of the sinusoidal speed profile (RS(t)) based on estimated unbalance value and inertia value, and controlling said electric motor based on modified sinusoidal motor speed profile.Type: ApplicationFiled: December 6, 2018Publication date: January 27, 2022Applicant: Electrolux Appliances AktiebolagInventors: Marco Bossi, Daniele De Vito, Andrea Calanca
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Patent number: D951002Type: GrantFiled: February 28, 2020Date of Patent: May 10, 2022Assignee: Electrolux Appliances AktiebolagInventors: Anton Andersson, Shreya Prem
