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公开(公告)号：US12180634B2
公开(公告)日：2024-12-31
申请号：US16971881
申请日：2019-02-20
Applicant: LG Electronics Inc.
Inventor： Changoh Kim , Seulgi Park , Sangwook Hong
Abstract: Provided is a washing apparatus equipped with an induction heater to heat a drum and a method of controlling the washing apparatus. The method includes a water supply step of supplying washing water to the tub via a water valve, a soaking step of soaking laundry by driving the drum while circulating washing water with the circulation pump after the water supply step ends, a heating step of heating the drum by driving the induction module after the soaking step ends, and a main washing step of washing the laundry by driving the drum after the heating step ends, wherein in the heating step, a water level is below a lower end of the drum, and the drum, the circulation pump, and the induction module are driven to operate, thereby heating the drum, the washing water, and the laundry.
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公开(公告)号：US11578443B2
公开(公告)日：2023-02-14
申请号：US16971894
申请日：2019-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Hyunwoo Noh , Jaehyuk Jang , Sangwook Hong
Abstract: The present disclosure relates to a laundry processing apparatus and, particularly, to a laundry processing apparatus which improves the condensation performance by increasing a contact time and area of cooling water and humid air in a tub. An embodiment of the present disclosure can provide a laundry processing apparatus comprising: a tub in which wash water is stored; a nozzle installed on the upper side of a side part of the tub so as to allow moisture contained in the air staying in the tub to condense, and supplying cooling water; and a guide installed on a rear side surface of the tub to be disposed below the nozzle, and allowing the cooling water supplied from the nozzle to be dispersed in multiple directions and flow downward.
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公开(公告)号：US11414811B2
公开(公告)日：2022-08-16
申请号：US16734033
申请日：2020-01-03
Applicant: LG Electronics Inc.
Inventor： Woore Kim , Changoh Kim , Sangwook Hong
Abstract: Disclosed are an apparatus for treating laundry with an induction heater and controlling method thereof. In a laundry treating apparatus including an induction heater, the present invention includes a first step of setting a normal dry mode and an abnormal dry mode for controlling the induction heater with a output relatively lower than that of the normal dry mode, a second step of operating the induction heater in the normal dry mode, a third step of determining whether a dry load is a normal load or an abnormal load using at least one of a temperature of a drum and a current of a motor, and a fourth step of if the dry load is determined as the abnormal load, controlling the induction heater in the abnormal dry mode.
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公开(公告)号：US11286604B2
公开(公告)日：2022-03-29
申请号：US16739413
申请日：2020-01-10
Applicant: LG Electronics Inc.
Inventor： Jaehyuk Jang , Beomjun Kim , Sangwook Hong
IPC: D06F34/10 , D06F39/04 , D06F34/24 , D06F37/42 , D06F105/28 , D06F103/16 , D06F58/26 , D06F105/62 , D06F25/00 , D06F34/20 , D06F103/52
Abstract: A laundry treating apparatus includes a tub, a drum for receiving an object therein, an induction heater for heating an outer circumferential face of the drum, a motor for rotating the drum, and a power supply for supplying power from an external power source to the laundry treating apparatus, a relay for interrupting current to be applied from the power supply to the induction heater via an electrical wire, a processor connected to the relay via a control wire and configured to control an operation of the relay and to control an operation of the induction heater and an operation of the motor, and a first safety device disposed at the control wire to interrupt a control signal to be applied from the processor to the relay. The first safety device operates in response to a temperature change thereof.
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公开(公告)号：US11105034B2
公开(公告)日：2021-08-31
申请号：US16713338
申请日：2019-12-13
Applicant: LG Electronics Inc.
Inventor： Jaehyuk Jang , Sangwook Hong
Abstract: A laundry machine includes a tub, a drum that is rotatably mounted in the tub, and an induction heater that is provided in the tub and configured to heat an outer circumferential surface of the drum. The laundry machine also includes a motor that is configured to rotate the drum, a temperature sensor that is configured to sense the temperature inside the tub, an instantaneous power output unit configured to calculate and output an instantaneous output, and a processor that controls drum rotation speed and heat-spinning by controlling the induction heater. The processor may control the output of the induction hater to be variable based on the output of the instantaneous power output unit.
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Patent Agency Ranking
公开(公告)号：US11060232B2
公开(公告)日：2021-07-13
申请号：US16111492
申请日：2018-08-24
Applicant: LG Electronics Inc.
Inventor： Woore Kim , Changoh Kim , Sangwook Hong
Abstract: Disclosed is a laundry treatment apparatus, which directly heats a drum accommodating laundry and is enhanced in efficiency and safety. The laundry treatment apparatus includes a tub, a drum formed of a metal material and rotatably provided inside the tub to accommodate laundry, an induction module spaced apart from a circumferential surface of the drum to heat the circumferential surface of the drum via a magnetic field that is generated when current is applied to a coil, a lifter provided in the drum to move the laundry inside the drum when the drum rotates, a temperature sensor provided to sense a temperature of the drum, and a module controller configured to control an output of the induction module so as to control an amount of heat generated from the circumferential surface of the drum. The module controller controls the amount of heat based on the temperature sensed by the sensor.
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公开(公告)号：US11053633B2
公开(公告)日：2021-07-06
申请号：US16059117
申请日：2018-08-09
Applicant: LG Electronics Inc.
Inventor： Hyunwoo Noh , Changoh Kim , Sangwook Hong
Abstract: Disclosed is a laundry treatment apparatus configured to condense moisture by supplying cooling water to the interior of a tub containing laundry therein. The laundry treatment apparatus includes a tub, a drum rotatably provided in the tub, a cooling water port provided at the inner rear surface of the tub so as to be adjacent to the inner side surface of the tub in order to supply cooling water along the inner side surface of the tub, and a guide rib formed so as to protrude from the inner side surface of the tub in a radially inward direction of the tub and to extend from the cooling water port toward the front side of the tub in order to disperse the cooling water supplied from the cooling water port on the inner surface of the tub. The apparatus is capable of reducing energy consumption and improving drying performance.
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公开(公告)号：US10711386B2
公开(公告)日：2020-07-14
申请号：US16059124
申请日：2018-08-09
Applicant: LG Electronics Inc.
Inventor： Jaehyuk Jang , Sangwook Hong
Abstract: Disclosed is a laundry treatment apparatus, which directly heats a drum accommodating laundry therein, and which is enhanced in efficiency and safety. The laundry treatment apparatus includes a drum formed of a metal material and provided to accommodate laundry therein, an induction module spaced apart from a circumferential surface of the drum and provided to heat the circumferential surface of the drum via a magnetic field that is generated when current is applied to a coil, a lifter provided in the drum to move the laundry inside the drum when the drum rotates, and a module controller configured to control an output of the induction module so as to control an amount of heat generated from the circumferential surface of the drum. The module controller variably controls the amount of heat that is generated based on a change in a position of the lifter that occurs when the drum rotates.
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公开(公告)号：US09909249B2
公开(公告)日：2018-03-06
申请号：US14919931
申请日：2015-10-22
Applicant: LG ELECTRONICS INC.
Inventor： Hyojun Kim , Sangwook Hong , Youngsuk Kim
CPC classification number: D06F39/088 , D06F33/02 , D06F39/10 , D06F58/206 , D06F58/22
Abstract: A laundry treating apparatus is provided that may include a laundry accommodation device that provides a space in which laundry is accommodated; a circulation passage provided outside of the laundry accommodation device, and providing a space in which air circulates to an inside of the laundry accommodation device; a heat exchanger provided in the circulation passage; a filter device provided in the circulation passage, that filters foreign materials introduced to the heat exchanger; and a washer provided between the heat exchanger and the filter device, that sprays washing water to each of the heat exchanger and the filter device.
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公开(公告)号：US12173444B2
公开(公告)日：2024-12-24
申请号：US17912411
申请日：2021-03-16
Inventor： Taewoong Kong , Chaseung Jun , Sangwook Hong , Seungki Sul , Joohyun Lee , Hwigon Kim
IPC: D06F34/14 , D06F23/02 , D06F37/06 , D06F37/26 , D06F39/04 , F26B3/20 , G01K7/36 , H01F7/02 , H01F7/20 , H05B6/10
Abstract: Disclosed is a clothes treatment apparatus. The clothes treatment apparatus of the present disclosure may comprise: a cabinet; a drum rotatably provided in the cabinet; an induction heater which is disposed outside the drum and heats the drum; a magnet which is fixed to the drum and of which a residual magnetic flux density changes depending on temperature; and a coil fixed to the outside of the drum and disposed at a position overlapping the magnet in the longitudinal direction of the central axis of rotation of the drum.
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