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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：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：US11479895B2
公开(公告)日：2022-10-25
申请号：US16727493
申请日：2019-12-26
Applicant: LG Electronics Inc.
Inventor： Sangwook Hong , Woore Kim , Changoh Kim
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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公开(公告)号：US10988890B2
公开(公告)日：2021-04-27
申请号：US16741041
申请日：2020-01-13
Applicant: LG ELECTRONICS INC.
Inventor： Woore Kim , Hyunwoo Noh , Sangwook Hong
Abstract: A laundry apparatus includes a drum rotatable on a shaft and including at least one predetermined region made of metal; a tub surrounding the drum; an inductor provided on the tub and heating the drum by generating an electromagnetic field; and an air passage duct including a first duct provided as a passage for exhausting air outside the tub, a second duct provided as a passage for sucking air into the tub, and a fan for generating air flow, wherein the air drawn into the tub via the second duct is supplied to an internal space of the drum via a penetrating hole provided in a circumferential surface of the drum by the fan and then exhausted to the first duct after passing through a drum opening provided in a front portion of the drum.
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公开(公告)号：US10941511B2
公开(公告)日：2021-03-09
申请号：US16328100
申请日：2017-08-25
Applicant: LG Electronics Inc.
Inventor： Beomjun Kim , Woore Kim , Bio Park , Seulgi Park , Jaehyuk Jang , Sangwook Hong , Changoh Kim , Hyunwoo Noh
IPC: D06F39/04 , D06F58/26 , D06F33/00 , D06F21/04 , D06F37/04 , D06F39/08 , D06F58/04 , D06F25/00 , D06F37/26
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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Patent Agency Ranking
公开(公告)号：US10590588B2
公开(公告)日：2020-03-17
申请号：US15638864
申请日：2017-06-30
Applicant: LG ELECTRONICS INC.
Inventor： Woore Kim , Hyunwoo Noh , Sangwook Hong
Abstract: A laundry apparatus includes a drum rotatable on a shaft and including at least one predetermined region made of metal; a tub surrounding the drum; an inductor provided on the tub and heating the drum by generating an electromagnetic field; and an air passage duct including a first duct provided as a passage for exhausting air outside the tub, a second duct provided as a passage for sucking air into the tub, and a fan for generating air flow, wherein the air drawn into the tub via the second duct is supplied to an internal space of the drum via a penetrating hole provided in a circumferential surface of the drum by the fan and then exhausted to the first duct after passing through a drum opening provided in a front portion of the drum.
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公开(公告)号：US12168847B2
公开(公告)日：2024-12-17
申请号：US18382297
申请日：2023-10-20
Applicant: LG Electronics Inc.
Inventor： Beomjun Kim , Woore Kim , Bio Park , Seulgi Park , Jaehyuk Jang , Sangwook Hong , Changoh Kim , Hyunwoo Noh
IPC: D06F37/30 , D06F21/04 , D06F34/24 , D06F37/04 , D06F39/04 , D06F58/26 , D06F25/00 , D06F34/20 , D06F37/26 , D06F37/42 , D06F58/04 , D06F103/32 , D06F105/28
Abstract: A clothes treatment apparatus directly heats a drum accommodating clothes. The clothes treatment apparatus includes: 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. The induction module includes: 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：US11725330B2
公开(公告)日：2023-08-15
申请号：US17465302
申请日：2021-09-02
Applicant: LG Electronics Inc.
Inventor： Beomjun Kim , Woore Kim , Sangwook Hong
IPC: D06F39/04 , D06F34/28 , D06F34/08 , D06F33/00 , D06F25/00 , D06F58/26 , D06F37/42 , D06F58/50 , D06F105/28 , D06F103/32 , D06F33/74 , D06F34/26 , D06F33/47 , D06F58/30 , D06F34/24
CPC classification number: D06F39/04 , D06F33/00 , D06F34/08 , D06F34/28 , D06F25/00 , D06F33/47 , D06F33/74 , D06F34/24 , D06F34/26 , D06F37/42 , D06F58/26 , D06F58/30 , D06F58/50 , D06F2103/32 , D06F2105/28
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.
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公开(公告)号：US11427947B2
公开(公告)日：2022-08-30
申请号：US16283120
申请日：2019-02-22
Applicant: LG Electronics Inc.
Inventor： Seulgi Park , Woore Kim , Sangwook Hong
IPC: D06F34/26 , D06F21/04 , D06F37/04 , D06F39/04 , D06F58/26 , D06F39/08 , D06F25/00 , D06F37/42 , D06F105/28 , D06F103/52 , D06F103/32 , D06F105/20 , D06F58/50
Abstract: A washing machine includes: a tub; a drum of metal material configured to be rotated in the tub; an induction heater configured to be fixed to the tub in a state of being separated from the drum, and to heat the drum; a first temperature sensor configured to have a tube of metal material heated by the induction heater and a thermistor disposed in the tube, at least a part of the tube being exposed between the tub and the drum; a second temperature sensor configured to be disposed in a position further away than the first temperature sensor from the induction heater in a circumferential direction, and detect a temperature of air between the tub and the drum; and a controller configured to control the induction heater based on a first detection value of the first temperature sensor and a second detection value of the second temperature sensor.
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公开(公告)号：US11421369B2
公开(公告)日：2022-08-23
申请号：US17170134
申请日：2021-02-08
Applicant: LG Electronics Inc.
Inventor： Beomjun Kim , Woore Kim , Bio Park , Seulgi Park , Jaehyuk Jang , Sangwook Hong , Changoh Kim , Hyunwoo Noh
IPC: D06F39/04 , D06F58/26 , D06F34/24 , D06F21/04 , D06F37/04 , D06F58/04 , D06F25/00 , D06F37/26 , D06F103/32 , D06F105/28 , D06F34/20 , D06F37/42
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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