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公开(公告)号：WO2020080748A1
公开(公告)日：2020-04-23
申请号：PCT/KR2019/013337
申请日：2019-10-11
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Changoh , HONG, Sangwook
Abstract: Disclosed herein is a laundry apparatus, more particularly, a laundry apparatus for heating a drum by an induction heater and a control method thereof. According to an embodiment, the method of controlling a laundry apparatus including a tub, a drum, an induction module mounted on the tub to heat the drum through induction heating, and a circulation pump configured to pump wash water inside the tub and supply the pumped wash water to an upper portion of the drum includes a water supply step of supplying wash water into the tub through a water supply valve, a fabrics soaking step of circulating the wash water by operating the circulation pump and performing fabrics soaking by driving the drum after termination of the water supply step, a heating step of performing heating by driving the induction heating module after termination of the fabrics soaking step, and a main washing step of performing washing by driving the drum after termination of the heating step, wherein the heating step is performed while a water level of the wash water is lower than a lowest end of the drum, the heating step including heating the drum, the wash water, and fabrics by driving the drum, the circulation pump, and the induction heating modle.
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公开(公告)号：WO2020141785A1
公开(公告)日：2020-07-09
申请号：PCT/KR2019/018361
申请日：2019-12-24
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Woore , KIM, Changoh , HONG, Sangwook
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：WO2020080752A1
公开(公告)日：2020-04-23
申请号：PCT/KR2019/013345
申请日：2019-10-11
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Changoh , HONG, Sangwook
Abstract: Disclosed herein is a laundry apparatus, more particularly, a laundry apparatus for heating a drum by an induction heater and a control method thereof. According to an embodiment, the method of controlling a laundry apparatus including a tub, a drum, an induction heating module mounted on the tub to heat the drum through induction heating, and a circulation pump configured to pump wash water inside the tub and supply the pumped wash water to an upper portion of the drum includes a water supply step of supplying wash water into the tub through a water supply valve, a fabrics soaking step of circulating the wash water by operating the circulation pump and performing fabrics soaking by driving the drum after termination of the water supply step, a heating step of performing heating by driving the induction heating module after termination of the fabrics soaking step, and a main washing step of performing washing by driving the drum after termination of the heating step, wherein a water level of the wash water at the termination of the fabrics soaking step is lower than a water level of the wash water at the termination of the water supply step.
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公开(公告)号：WO2020080750A1
公开(公告)日：2020-04-23
申请号：PCT/KR2019/013343
申请日：2019-10-11
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Changoh , HONG, Sangwook
Abstract: Disclosed herein is a laundry apparatus, more particularly, a laundry apparatus for heating a drum by an induction heater and a control method thereof. According to an embodiment, the method of controlling a laundry apparatus including a tub, a drum and an induction heating module mounted on the tub to heat the drum through induction heating includes a water supply step of supplying wash water into the tub through a water supply valve; and a heating step of performing heating by driving the induction heating module after termination of the water supply step, wherein, in the heating step, driving of the drum and driving of the induction heating module are controlled to be operatively connected to each other, wherein a period for driving the drum comprises a period for driving the induction heating module, and the driving of the induction heating module is excluded outside the period for driving the drum.
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公开(公告)号：WO2020138901A1
公开(公告)日：2020-07-02
申请号：PCT/KR2019/018365
申请日：2019-12-24
Applicant: LG ELECTRONICS INC.
Inventor： HONG, Sangwook , KIM, Woore , KIM, Changoh
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, the laundry machine may include a tub, a drum rotatably arranged in the tub to accommodate an object and provided with a through hole on an outer circumferential surface, an induction heater provided to the tub and configured to heat a heating surface of the drum opposing the induction heater on an outer surface of the drum, a motor driven to rotate the drum, a spray nozzle configured to spray water onto the heating surface of the drum opposing and heated by the induction heater to generate steam, and a processor configured to rotate the drum such that the steam is introduced into the drum through the through hole of the drum in a space between the tub and the drum.
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Patent Agency Ranking
公开(公告)号：WO2019031895A1
公开(公告)日：2019-02-14
申请号：PCT/KR2018/009133
申请日：2018-08-09
Applicant: LG ELECTRONICS INC.
Inventor： NOH, Hyunwoo , KIM, Changoh , HONG, Sangwook
Abstract: Disclosed is a laundry treatment apparatus including 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, and a lifter formed of a metal material and provided in the drum to move the laundry inside the drum when the drum rotates. The lifter is provided so as to be recessed in a direction in which a distance between the induction module and the lifter, which face each other, increases.
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公开(公告)号：WO2019031888A1
公开(公告)日：2019-02-14
申请号：PCT/KR2018/009126
申请日：2018-08-09
Applicant: LG ELECTRONICS INC.
Inventor： NOH, Hyunwoo , KIM, Changoh , HONG, Sangwook
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：EP4074877A1
公开(公告)日：2022-10-19
申请号：EP22172880.1
申请日：2018-08-09
Applicant: LG Electronics Inc.
Inventor： JANG, Jaehyuk , NOH, Hyunwoo , KIM, Changoh , KIM, Woo Re , HONG, Sangwook
IPC: D06F33/32 , D06F39/04 , D06F37/06 , D06F105/28 , D06F103/00 , D06F103/24
Abstract: Disclosed is a laundry treatment apparatus comprising a tub; a drum disposed within the tub and configured to accommodate laundry therein, the drum being made of a metal material; and an induction module arranged on an outer peripheral surface of an upper portion of the tub and configured to heat the drum via induction using a magnetic field. The induction module is configured to be turned on based on a rotational speed of the drum reaching a threshold revolutions per minute (RPM) after the drum starts to rotate, and to be turned off the induction module based on the rotational speed of the drum falling to less than the threshold RPM.
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公开(公告)号：EP3505674A1
公开(公告)日：2019-07-03
申请号：EP17844000.4
申请日：2017-08-25
Applicant: LG Electronics Inc.
Inventor： KIM, Beomjun , KIM, Woore , PARK, Bio , PARK, Seulgi , JANG, Jaehyuk , HONG, Sangwook , KIM, Changoh , NOH, Hyunwoo
IPC: D06F39/04 , D06F39/00 , D06F39/08 , D06F37/42 , D06F37/06 , D06F37/22 , D06F58/26 , D06F58/28 , D06F58/04 , D06F58/10
Abstract: The present invention relates to a clothes treatment apparatus and, more particularly, to a clothes treatment apparatus for directly heating a drum accommodating clothes. According to an embodiment of the present disclosure, provided is a clothes treatment apparatus comprising: a tub; a drum, made of a metal, which accommodates clothes and is rotatably provided inside the tub; and an induction module, provided in the tub so as to have a spacing from a circumferential surface of the drum, for generating an electromagnetic field to heat the circumferential surface of the drum, wherein the induction module comprises: a coil which is formed by winding a wire such that electric current is applied thereto to generate a magnetic field; and a base housing mounted on an outer circumferential surface of the tub, wherein the base housing is provided with a coil slot for defining the shape of the coil in such a manner that the wire is mounted therein so as to have a predetermined distance between wire and wire.
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公开(公告)号：EP3677717A1
公开(公告)日：2020-07-08
申请号：EP19219770.5
申请日：2019-12-27
Applicant: LG Electronics Inc.
Inventor： KIM, Woore , KIM, Changoh , HONG, Sangwook
IPC: D06F33/63 , D06F39/04 , D06F103/04 , D06F103/32 , D06F103/46 , D06F105/14 , D06F105/20 , D06F105/28 , D06F58/26
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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