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公开(公告)号：WO2020145632A1
公开(公告)日：2020-07-16
申请号：PCT/KR2020/000281
申请日：2020-01-07
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Woore , KIM, Beomjun , HONG, Sangwook
Abstract: Disclosed are a laundry treating apparatus, and more particularly, a laundry treating apparatus for heating a drum using an induction heater and a control method thereof. The object treating apparatus includes a tub; a drum rotatably disposed within the tub and accommodating an object therein; an induction heater disposed on the tub and configured to heat an outer circumferential face of the drum contacting the heater; a motor to rotate the drum; and an upper temperature sensor configured to detect a temperature around a space between the tub and the drum, wherein the upper temperature sensor is disposed at an upper portion of the tub and inside the tub; a lower temperature sensor configured to detect a temperature around condensed water stored on a bottom of the tub, wherein the lower temperature sensor is disposed at a lower portion of the tub and inside the tub, wherein humid steam evaporated in heat exchange between the heated drum and the object is condensed into the condensed water inside the tub and the condensed water flows to the bottom of the tub; and a processor configured to control a rotation of the drum and an operation of the induction heater to heat the drum to heat and dry the object. the processor may determine a drying ending timing based on the temperatures detected by the upper and lower temperature sensors. The processor is configured to determine an ending timing of the drying of the object based on a difference (delta T) between a temperature detected by the upper temperature sensor and a temperature detected by the lower temperature sensor.
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公开(公告)号：WO2020091186A1
公开(公告)日：2020-05-07
申请号：PCT/KR2019/008404
申请日：2019-07-09
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Woore , KIM, Beomjun , HONG, Sangwook
Abstract: Disclosed is a laundry treating apparatus. The present invention includes a cabinet, a tub provided within the cabinet, a drum provided within the tub to receive a treatment target therein, the drum made of metallic material, an induction module provided to the tub to heat the drum by induction, an infrared sensor provided to the tub to measure a temperature of the drum, and a barrel lens connected to the infrared sensor so that thermal radiation radiated from the drum enters the barrel lens, wherein the barrel lens includes a guide portion guiding vertically incident thermal radiation to the infrared sensor only.
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公开(公告)号：WO2019164334A1
公开(公告)日：2019-08-29
申请号：PCT/KR2019/002210
申请日：2019-02-22
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Beomjun , KIM, Woore , HONG, Sangwook
Abstract: A washing machine includes: a tub configured to contain water; a drum of metal material configured to be rotated in the tub; an induction heater configured to be disposed in a position spaced apart from the drum and heat the drum by a magnetic force generated when a current is applied to a coil; 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 configured to be connected to a circuit connecting the first processor and the relay, wherein 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：WO2022245108A1
公开(公告)日：2022-11-24
申请号：PCT/KR2022/007061
申请日：2022-05-17
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Beomjun , LEE, Sangjun , KIM, Sunjung
Abstract: The present disclosure relates to a washing machine. The washing machine includes a tub, a drum rotatably provided in the tub, and a pump for draining and circulating wash water. The pump includes a pump housing, a drain chamber formed in the pump housing, a drain pump mounted in the drain chamber and provided with a drain impeller for generating a drain pressure in the drain chamber, a first drain hose connector extending from the upper portion of the drain chamber to drain the wash water in response to rotation of the impeller in one direction, a second drain hose connector extending from the lower portion of the drain chamber to drain the wash water in response to rotation of the impeller in the opposite direction, a first drain hose connected to the first drain hose connector, and a second drain hose connected to the second drain hose connector.
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公开(公告)号：WO2020138914A1
公开(公告)日：2020-07-02
申请号：PCT/KR2019/018397
申请日：2019-12-24
Applicant: LG ELECTRONICS INC.
Inventor： HONG, Sangwook , KIM, Beomjun , LEE, Youngjoo
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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Patent Agency Ranking
公开(公告)号：WO2020032416A1
公开(公告)日：2020-02-13
申请号：PCT/KR2019/008839
申请日：2019-07-17
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Beomjun , HONG, Sangwook , KIM, Woore , CHO, Hongjun
Abstract: The present invention relates to a laundry care apparatus in which an induction module heats the drum uniformly using a magnetic field to dry laundry or heat wash-water, and center and front and rear regions of the drum are uniformly heated.
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公开(公告)号：WO2019031886A1
公开(公告)日：2019-02-14
申请号：PCT/KR2018/009124
申请日：2018-08-09
Applicant: LG ELECTRONICS INC.
Inventor： KIM, Beomjun , PARK, Bio , HONG, Sangwook
CPC classification number: D06F39/04 , D06F23/04 , D06F37/12 , D06F37/267 , D06F58/26 , H05B6/102 , H05B6/108
Abstract: Disclosed is a laundry treatment apparatus configured to directly heat a drum containing laundry therein. The laundry treatment apparatus comprising: 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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公开(公告)号：EP4123083A1
公开(公告)日：2023-01-25
申请号：EP21770476.6
申请日：2021-03-19
Applicant: LG Electronics, Inc.
Inventor： KIM, Beomjun , NOH, Hyunwoo , HONG, Sangwook
Abstract: Disclosed is a clothing treatment apparatus. The clothing treatment apparatus of the present disclosure may comprise: a cabinet having an inlet; a door provided in the cabinet to open and close the inlet; a drum rotatably disposed inside the cabinet, and having an elongated cylindrical shape; a tubular extension part extending from the inlet of the cabinet toward the drum; a first duct provided outside the drum; an induction heater which includes a coil, is provided inside the first duct, and heats the drum; a first fan supplying outside air to the inside of the first duct; and a second duct having an inlet connected to the first duct, extending from the first duct along a radially inward direction of the drum, and having an outlet connected to an outer circumferential surface of the extension part, wherein the outlet of the second duct may have a smaller area than the area of the inlet.
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公开(公告)号：EP3647479A1
公开(公告)日：2020-05-06
申请号：EP19192773.0
申请日：2019-08-21
Applicant: LG Electronics Inc.
Inventor： KIM, Woore , KIM, Beomjun , HONG, Sangwook
Abstract: Disclosed is a laundry treating apparatus. The present invention includes a cabinet (3), a tub (4) provided within the cabinet (3), a drum (5) provided within the tub (4) to receive laundry for treatment therein, the drum (5) made of metallic material, an induction module provided to the tub to heat the drum by induction, an infrared sensor (90) provided to the tub (4) to measure a temperature of the drum (5), and a barrel lens (100) connected to the infrared sensor (90) so that thermal radiation radiated from the drum (5) enters the barrel lens (100), wherein the barrel lens (100) includes a guide portion (112) guiding vertically incident thermal radiation to the infrared sensor (90) only.
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公开(公告)号：EP4155453A1
公开(公告)日：2023-03-29
申请号：EP22201834.3
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
Abstract: The present invention relates to a laundry treatment apparatus and, more particularly, to a laundry treatment apparatus for directly heating a drum accommodating clothes. According to an embodiment of the present disclosure, provided is a laundry treatment apparatus comprising: a tub; a drum rotatably disposed inside the tub for receiving laundry therein, wherein the drum is made of a metal material; and an induction module disposed on the tub to be spaced from a circumferential surface of the drum for generating an electromagnetic field to heat the circumferential surface of the drum, wherein the induction module is characterized by: a coil formed of wires, wherein the coil generates a magnetic field when an electric current is applied thereto, and, a base housing mounted on an outer circumferential face of the tub, the base housing comprises fixing ribs that protrude upward from a bottom surface of the base housing and that define coil slots configured to receive the wires, wherein the coil has a track shape with a long axis extending in a front-rear direction of the drum.
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