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公开(公告)号：US20230257926A1
公开(公告)日：2023-08-17
申请号：US18004781
申请日：2021-07-08
Applicant: LG Electronics Inc.
Inventor： Hyojin CHOI , Taewoong KONG , Chaseung JUN , Sangwook HONG
IPC: D06F58/26 , D06F25/00 , D06F39/04 , D06F37/04 , D06F37/26 , D06F58/04 , H05B6/36 , H05B6/10 , H05B6/40
CPC classification number: D06F58/26 , D06F25/00 , D06F39/04 , D06F37/04 , D06F37/267 , D06F58/04 , H05B6/365 , H05B6/105 , H05B6/40
Abstract: A clothing processing device disclosed in the present specification includes: a cabinet; a drum provided inside the cabinet, made of a metal material, and provided to receive a laundry therein; and an induction module which is spaced apart from the circumferential surface of the drum and heats the circumferential surface of the drum through a magnetic field generated when a current is applied to a coil having a wound wire, wherein: the induction module includes a base housing for receiving the coil; the coil includes a first region which is a portion located adjacent to the front of the drum, a third region which is a portion located adjacent to the rear of the drum, and a second region which is a portion positioned between the first region and the third region; and a shortest width of the first region or the third region is formed to be greater than a shortest width of the second region so that the coil having the wire wound on the base housing has different widths.
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公开(公告)号：US20210395935A1
公开(公告)日：2021-12-23
申请号：US17465302
申请日：2021-09-02
Applicant: LG Electronics Inc.
Inventor： Beomjun KIM , Woore KIM , Sangwook HONG
IPC: D06F39/04
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：US20210340702A1
公开(公告)日：2021-11-04
申请号：US17373150
申请日：2021-07-12
Applicant: LG Electronics Inc.
Inventor： Beomjun KIM , Bio PARK , Sangwook HONG
IPC: D06F39/04 , H05B6/10 , D06F58/26 , D06F37/26 , D06F103/52 , D06F34/24 , D06F37/12 , D06F105/28 , D06F23/04
Abstract: Disclosed is a laundry treatment apparatus configured to directly heat a drum containing laundry therein. The laundry treatment apparatus comprising: a cabinet forming an external appearance of the laundry treatment apparatus; a tub provided in the cabinet; a drum configured to rotate within the tub and to contain laundry therein, the drum being formed of a metallic material; an induction module provided at an outer surface of the tub and configured to heat the drum within the tub via induction by generating a magnetic field; and
wherein the outer surface of the tub comprises at least one mounting portion that is configured to mount the induction module, with at least part of the at least one mounting portion being arranged radially closer to a rotational axis of the drum than a remaining portion of the outer surface of the tub.-
公开(公告)号：US20210164151A1
公开(公告)日：2021-06-03
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
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：US20200270793A1
公开(公告)日：2020-08-27
申请号：US16461960
申请日：2017-11-17
Applicant: LG Electronics Inc.
Inventor： Woore KIM , Sangwook HONG
Abstract: The present invention relates to a clothing treatment apparatus comprising: a cabinet forming the exterior of the clothing treatment apparatus and provided with a door; a tub including a tub body for accommodating clothing and a tub opening in a front side thereof; a drum rotatably disposed within the tub and including a drum opening in a front side thereof; an air circulation duct including an air inlet communicating with an upper end of the tub opening, an air outlet communicating with the tub body, and a fan generating air flow inside the tub; and a guider that communicates with the air inlet and guides the air to the drum opening.
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Patent Agency Ranking
公开(公告)号：US20200224350A1
公开(公告)日：2020-07-16
申请号：US16738665
申请日：2020-01-09
Applicant: LG Electronics Inc.
Inventor： Woore KIM , Beomjun KIM , Sangwook HONG
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.
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公开(公告)号：US20200208326A1
公开(公告)日：2020-07-02
申请号：US16727452
申请日：2019-12-26
Applicant: LG Electronics Inc.
Inventor： Sangwook HONG , Beomjun KIM , Youngjoo LEE
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. 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 thereof, a steam induction heater provided at a front upper portion of a front wall or a rear upper portion of a rear wall of the tub to heat a heating surface of the drum facing the steam induction heater, a motor driven to rotate the drum, a spray nozzle configured to spray water onto the heating surface facing the steam induction heater to generate steam, and a processor configured to rotate the drum to introduce the steam into the drum through the through hole in a space between the tub and the drum.
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公开(公告)号：US20190048516A1
公开(公告)日：2019-02-14
申请号：US16059130
申请日：2018-08-09
Applicant: LG Electronics Inc.
Inventor： Woore KIM , Hongjun CHO , Sangwook HONG
Abstract: Disclosed is a laundry treatment apparatus configured to directly heat a drum containing laundry therein using an induction module. The laundry treatment apparatus includes a cabinet, a tub provided in the cabinet, a drum for containing laundry therein, the drum being rotatably provided in the tub and being formed of a metallic material, an induction module provided so as to be spaced apart from the circumferential surface of the drum in order to heat the circumferential surface of the drum using a magnetic field generated by applying current to a coil, a module control unit for controlling the output of the induction module, a cooling path through which the outside of the cabinet, the interior of the module control unit and the interior of the induction module communicate sequentially with each other, and a fan provided in the cooling path. The apparatus is capable of improving efficiency and enhancing safety.
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公开(公告)号：US20190048513A1
公开(公告)日：2019-02-14
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：US20190048509A1
公开(公告)日：2019-02-14
申请号：US16059286
申请日：2018-08-09
Applicant: LG Electronics Inc.
Inventor： Beomjun KIM , Bio PARK , Sangwook HONG
Abstract: A laundry treatment apparatus is configured to directly heat a drum containing laundry therein. The laundry treatment apparatus includes: a tub; a drum configured to rotate within the tub and to contain laundry therein, the drum being formed of a metallic material; and an induction module provided at an outer surface of the tub and configured to heat a surface of the drum within the tub via induction, the induction module comprising: a coil that comprises a wire through which an electric current is configured to pass so as to generate a magnetic field; a base housing configured to accommodate the coil therein, the base housing being mounted on the outer surface of the tub; an at least one magnet configured to be arranged above the base housing in which the coil is accommodated, and arranged to be lengthwise perpendicular to a longitudinal direction of the wire of the coil.
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