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    Laundry machine having induction heater and control method thereof
    11.
    发明授权
    Laundry machine having induction heater and control method thereof 有权

    公开(公告)号：US11359324B2

    公开(公告)日：2022-06-14

    申请号：US16727528

    申请日：2019-12-26

    Applicant: LG Electronics Inc.

    Inventor： Sangwook Hong ,  Woore Kim ,  Beomjun Kim ,  Hyunwoo Noh

    IPC: D06F39/00 ,  D06F33/00 ,  D06F39/04 ,  D06F39/08 ,  D06F34/14 ,  D06F37/30

    Abstract: Disclosed herein is a laundry machine. More particularly, a laundry machine for generating steam by an induction heater and a control method thereof are disclosed. According to an embodiment of the present disclosure, provided is a method of controlling a laundry machine including a tub, a drum rotatably arranged in the tub to accommodate an object and provided with a through hole on an outer circumferential surface thereof, and an induction heater provided to the tub, and configured to perform a steam operation. The steam operation may include heating a heating surface of the drum facing the induction heater by driving the induction heater, spraying, through a spray nozzle, water toward the heating surface heated in the heating operation, and rotating the drum such that the steam is introduced into the drum through the through hole in a space between the tub and the drum.

    Laundry machine having induction heater and control method thereof
    12.
    发明授权
    Laundry machine having induction heater and control method thereof 有权

    公开(公告)号：US11959218B2

    公开(公告)日：2024-04-16

    申请号：US17825693

    申请日：2022-05-26

    Applicant: LG Electronics Inc.

    Inventor： Sangwook Hong ,  Woore Kim ,  Beomjun Kim ,  Hyunwoo Noh

    IPC: D06F39/00 ,  D06F33/00 ,  D06F34/14 ,  D06F39/04 ,  D06F39/08 ,  D06F37/30

    CPC classification number: D06F39/008 ,  D06F33/00 ,  D06F34/14 ,  D06F39/04 ,  D06F39/088 ,  D06F37/30

    Abstract: Disclosed herein is a laundry machine. More particularly, a laundry machine for generating steam by an induction heater and a control method thereof are disclosed. According to an embodiment of the present disclosure, provided is a method of controlling a laundry machine including a tub, a drum rotatably arranged in the tub to accommodate an object and provided with a through hole on an outer circumferential surface thereof, and an induction heater provided to the tub, and configured to perform a steam operation. The steam operation may include heating a heating surface of the drum facing the induction heater by driving the induction heater, spraying, through a spray nozzle, water toward the heating surface heated in the heating operation, and rotating the drum such that the steam is introduced into the drum through the through hole in a space between the tub and the drum.

    Washing machine and control method of washing machine
    14.
    发明授权
    Washing machine and control method of washing machine 有权

    公开(公告)号：US11131049B2

    公开(公告)日：2021-09-28

    申请号：US16283355

    申请日：2019-02-22

    Applicant: LG Electronics Inc.

    Inventor： Jaehyuk Jang ,  Woore Kim ,  Sangwook Hong

    IPC: D06F39/00 ,  D06F33/00 ,  D06F34/28 ,  D06F39/04 ,  D06F58/26 ,  D06F37/42 ,  D06F25/00 ,  D06F58/30 ,  D06F58/50 ,  D06F105/28

    Abstract: A washing machine includes: a tub; a drum; a temperature sensor configured to detect a temperature of air between the drum and the tub; an induction heater configured to heat the drum; a controller unit configured to control the induction heater within a preset control temperature range; a circuit configured to supply power to the induction heater; a first thermostat configured to operate according to a first temperature of air between the drum and the tub and open the circuit when the first temperature is a first safety control temperature; and a thermal fuse configured to operate according to a second temperature of air outside the tub and open the circuit when the second temperature is a second safety temperature corresponding to a case where the temperature of the drum is in a second safety temperature range having a larger value than the first safety temperature range.

    Washing machine and control method of washing machine
    15.
    发明授权
    Washing machine and control method of washing machine 有权

    公开(公告)号：US11124911B2

    公开(公告)日：2021-09-21

    申请号：US16283244

    申请日：2019-02-22

    Applicant: LG Electronics Inc.

    Inventor： Beomjun Kim ,  Woore Kim ,  Sangwook Hong

    IPC: D06F39/00 ,  D06F33/00 ,  D06F34/28 ,  D06F39/04 ,  D06F25/00 ,  D06F58/26 ,  D06F37/42 ,  D06F58/30 ,  D06F58/50 ,  D06F105/28

    Abstract: A washing machine includes: a tub; a drum; an induction heater disposed in a position spaced apart from the drum and configured to heat the drum; an input power source; a relay configured to interrupt a current applied to the coil of the induction heater from the input power source; a first processor configured to control the relay; and a safety device connected to a circuit connecting the first processor and the relay. The safety device includes: a first thermostat configured to operate according to a temperature of a first air between the drum and the tub, and open the circuit when the temperature of the first air is a first safety control temperature; and a thermal fuse configured to operate according to a temperature of a second air outside the tub, and open the circuit when the temperature of the second air is a second safety control temperature.

    Laundry treating apparatus having induction heater and control method thereof
    16.
    发明授权
    Laundry treating apparatus having induction heater and control method thereof 有权

    公开(公告)号：US11060226B2

    公开(公告)日：2021-07-13

    申请号：US16738665

    申请日：2020-01-09

    Applicant: LG Electronics Inc.

    Inventor： Woore Kim ,  Beomjun Kim ,  Sangwook Hong

    IPC: D06F33/70 ,  D06F58/46 ,  D06F34/24 ,  D06F39/04 ,  D06F58/26

    Abstract: An object treating apparatus includes a tub, a rotatable drum for receiving an object, an induction heater for heating an outer circumferential face of the drum, a motor for rotating the drum, an upper temperature sensor, a lower temperature sensor, and a processor. The upper temperature sensor detects a temperature of a space between the tub and the drum. The upper temperature sensor is disposed inside the tube at an upper portion of the tub. The lower temperature sensor detects a temperature around condensed water at a bottom of the tub. The lower temperature sensor is disposed inside the tub at a lower portion of the tub. The processor can determine a drying ending timing based on the temperatures detected by the upper and lower temperature sensors.

    Washing machine
    17.
    发明授权
    Washing machine 有权

    公开(公告)号：US10196768B2

    公开(公告)日：2019-02-05

    申请号：US14813757

    申请日：2015-07-30

    Applicant: LG ELECTRONICS INC.

    Inventor： Woore Kim ,  Sangwoo Lee ,  Jaehyun Kim

    IPC: D06F25/00 ,  D06F58/22 ,  D06F58/20 ,  D06F58/28 ,  D06F58/26 ,  D06F23/04

    Abstract: A washing machine may include a cabinet, a tub in the cabinet, a drum inside the tub, a driving module at the tub for rotating the drum, a water supply module for supplying the wash water to the tub, a drainage module for discharging the wash water from the tub, and a drying module at the cabinet for supplying heated air into the tub from an upper side of the tub to dry the laundry.

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