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公开(公告)号：US20210017696A1
公开(公告)日：2021-01-21
申请号：US16751291
申请日：2020-01-24
Applicant: LG Electronics Inc.
Inventor： Youngjoo LEE , Sangwook HONG
Abstract: A laundry treating apparatus includes a cabinet, a drum provided inside the cabinet and formed of a metal material, and an induction module configured to heat the drum, The induction module includes a base housing for accommodating a coil, and a cover housing forming a moving space of heat generated from the coil, jointed to an upper portion of the base housing, the cover housing includes a through portion for discharging the heat by passing through the cover housing up and down, and the cover housing forms a section upwardly inclined toward the through portion to move the heat generated from the coil along the inclined section and discharge the heat to the through portion. It is possible to prevent a temperature of the coil from being excessively increased, and enhance durability and efficiency of the induction module by active discharge of heat generated from the coil.
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公开(公告)号：US20200224351A1
公开(公告)日：2020-07-16
申请号：US16739413
申请日：2020-01-10
Applicant: LG Electronics Inc.
Inventor： Jaehyuk JANG , Beomjun KIM , Sangwook HONG
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：US20200217007A1
公开(公告)日：2020-07-09
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：US20190264371A1
公开(公告)日：2019-08-29
申请号：US16283355
申请日：2019-02-22
Applicant: LG Electronics Inc.
Inventor： Jaehyuk JANG , Woore KIM , Sangwook HONG
Abstract: A washing machine includes: a tub; a drum; a temperature sensor configured to detect a temperature of air between the drum and the tub; an induction heater configured to heat the drum; a controller unit configured to control the induction heater within a preset control temperature range; a circuit configured to supply power to the induction heater; a first thermostat configured to operate according to a first temperature of air between the drum and the tub and open the circuit when the first temperature is a first safety control temperature; and a thermal fuse configured to operate according to a second temperature of air outside the tub and open the circuit when the second temperature is a second safety temperature corresponding to a case where the temperature of the drum is in a second safety temperature range having a larger value than the first safety temperature range.
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公开(公告)号：US20190048515A1
公开(公告)日：2019-02-14
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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Patent Agency Ranking
公开(公告)号：US20190048512A1
公开(公告)日：2019-02-14
申请号：US16059115
申请日：2018-08-09
Applicant: LG Electronics Inc.
Inventor： Hyunwoo NOH , Changoh KIM , Sangwook HONG
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：US20230145222A1
公开(公告)日：2023-05-11
申请号：US17912785
申请日：2021-03-19
Applicant: LG ELECTRONICS INC.
Inventor： Beomjun KIM , Hyunwoo NOH , Sangwook HONG
Abstract: A clothing treatment apparatus includes 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. 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：US20220290354A1
公开(公告)日：2022-09-15
申请号：US17679777
申请日：2022-02-24
Applicant: LG Electronics Inc.
Inventor： Youngjoo LEE , 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 user interface comprising a course selection unit that is configured to allow a user to select a course, and an option selection unit that is configured to allow the user to select option information that is related with the course selected. The laundry machine further includes a processor that is configured to control the drum rotation speed and the induction heater. The course selection unit comprises a wash-drying course that performs heat-spinning by default, the heat-spinning being configured to heat the drum by driving the induction heater when the drum rotates.
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公开(公告)号：US20220220653A1
公开(公告)日：2022-07-14
申请号：US17580070
申请日：2022-01-20
Applicant: LG Electronics Inc.
Inventor： Jaehyuk JANG , Beomjun KIM , Sangwook HONG
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：US20220074100A1
公开(公告)日：2022-03-10
申请号：US17529945
申请日：2021-11-18
Applicant: LG Electronics Inc.
Inventor： Jae Hyuk JANG , Hyunwoo NOH , Changoh KIM , Woo Re KIM , Sangwook HONG
IPC: D06F37/06
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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