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1.发明公开公开(公告)号：US20230174820A1
公开(公告)日：2023-06-08
申请号：US18074029
申请日：2022-12-02
申请人： LG Electronics Inc.
发明人： Soyoon KIM , Juwon KIM , Hyunwoo JUN , Jaekyung YANG , Dong Jin KIM , Yongsoo LEE
IPC分类号： C09D183/16 , C09D7/61
CPC分类号： C09D183/16 , C09D7/61
摘要： A coating composition has heat resistance, transparency, and high hardness. The coating composition is configured to be applied to a stainless steel material. The coating composition includes a polysilazane, a solvent, a dark pigment and a dispersant. A home appliance includes a base including a stainless steel material and a coating layer disposed on the base. The coating layer includes the coating composition.
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公开(公告)号：US20210214271A1
公开(公告)日：2021-07-15
申请号：US17147823
申请日：2021-01-13
申请人： LG Electronics Inc.
发明人： Ju Hyeong KIM , Jaekyung YANG , Taeho KIM , Taehee KIM , Yongsoo LEE
摘要： The present disclosure relates to an enamel composition, a method for preparation thereof, and a cooking appliance using the same, which provide excellent cleaning performance, reduce a defect caused by carbon gases when an enamel coating is implemented on a base material made of cast iron, and provides excellent thermal shock resistance and durability. In the enamel composition according to the disclosure, components implementing glass and components having catalytic performance have an optimal component system, thereby ensuring excellent thermal shock resistance and durability. The enamel composition of the present disclosure has a component system that helps enamel cast iron as well as low carbon steel, thereby ensuring excellent cleaning performance, thermal shock resistance and durability. The enamel composition of the present disclosure is appropriate for a cooktop grate, a hob burner, and the like which directly contact a fire and are exposed to repetitive thermal shock.
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公开(公告)号：US20200072472A1
公开(公告)日：2020-03-05
申请号：US16558039
申请日：2019-08-31
申请人： LG Electronics Inc.
发明人： Wontae KIM , Seongho SON , Jaekyung YANG , Yongsoo LEE , Hyunwoo JUN
摘要： An induction heating type cooktop includes a case, a cover plate that is coupled to an upper end of the case and that includes an upper plate configured to seat an object on an upper surface of the upper plate, a working coil disposed in the case and configured to heat the object, a thin film attached on the upper plate, and a thermal insulating member disposed vertically between a lower surface of the upper plate and the working coil.
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公开(公告)号：US20190357320A1
公开(公告)日：2019-11-21
申请号：US16180593
申请日：2018-11-05
申请人： LG Electronics Inc.
发明人： Younghwan KWACK , Seongho SON , Jaekyung YANG , Yongsoo LEE
摘要： An induction heating device includes: a first board including a first working coil, a first inverter configured to apply a resonant current to the first working coil, a first current transformer configured to adjusting a magnitude of the first resonant current, a first control unit configured to control the first inverter; and a second board including a second working coil, a second inverter configured to apply a resonant current to the second working coil, a second current transformer configured to adjust a magnitude of the second resonant current, a first relay configured to selectively connect the second working coil to the second current transformer or to the first working coil, a second relay configured to selectively connect the second working coil to the first working coil or to the second resonant capacitor, and a second control unit configure to control the second inverter, the first relay, and the second relay.
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公开(公告)号：US20190297689A1
公开(公告)日：2019-09-26
申请号：US16182780
申请日：2018-11-07
申请人： LG Electronics Inc.
发明人： Hoon Seob SIM , Jaekyung YANG , Se Mi LEE , Yongsoo LEE , Hakjoo LIM
摘要： An induction heating device includes a casing; a first induction heating module in the casing; a first heat sink located below the first induction heating module; a first heat pipe that passes through the first heat sink, that extends outward from the first induction heating module, and that is configured to discharge heat from the first heat sink out of the first induction heating module; an air-discharge fan located at an inner side of the casing and configured to discharge air from inside of the casing to outside of the casing; and a cooling fan located at the inner side of the casing and configured to blow air to the air-discharge fan. The first heat pipe has an end that protrudes from the first induction heating module and that is located at an air-flow path defined between the cooling fan and the air-discharge fan.
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公开(公告)号：US20190297685A1
公开(公告)日：2019-09-26
申请号：US16198194
申请日：2018-11-21
申请人： LG Electronics Inc.
发明人： Hyo Jin AN , Younghwan KWACK , Seongho SON , Jaekyung YANG , Yongsoo LEE
摘要： An induction heating device includes a casing, a cover plate coupled to a top of the casing, and a first induction heating module located within the casing and configured to heat an object on the cover plate. The first induction heating module includes: a working coil; an inverter configured to apply a resonant current to the working coil; a light guide located outside of the working coil, where the light guide includes a light-emission surface that is located at a top of the light guide, that is configured to indicate whether the working coil is driven, and that is configured to indicate an intensity of the working coil; a light emitting element vertically located below the light guide and configured to emit light to the light guide; and a control module configured to control the inverter and the light emitting element.
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公开(公告)号：US20190045586A1
公开(公告)日：2019-02-07
申请号：US16054372
申请日：2018-08-03
申请人： LG Electronics Inc.
发明人： Seongho SON , Taewoong KONG , Younghwan KWACK , Jaekyung YANG , Yongsoo LEE , Hyojin CHOI
摘要： Disclosed herein is an induction heat cooking apparatus including a power supply configured to supply an alternating current (AC) voltage, a rectifier configured to rectify the supplied AC voltage into a direct current (DC) voltage, first and second switching units configured to control switching such that the DC voltage from the rectifier is alternately applied to a working coil, a comparison unit configured to sense current flowing in the working coil and to compare the sensed current with a predetermined reference value to output pulses, and a controller configured to determine whether a cooking vessel is present on the working coil based on the output pulses.
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公开(公告)号：US20240298386A1
公开(公告)日：2024-09-05
申请号：US18664473
申请日：2024-05-15
申请人： LG Electronics Inc.
发明人： Seongho SON , Jaekyung YANG , Hyojin CHOI , Yongsoo LEE
摘要： An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
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9.发明公开公开(公告)号：US20230312399A1
公开(公告)日：2023-10-05
申请号：US18117025
申请日：2023-03-03
申请人： LG ELECTRONICS INC.
发明人： Suyeon CHOI , Jaekyung YANG , Taehee KIM
CPC分类号： C03C8/08 , F24C15/005
摘要： There is disclosed a novel enamel composition that may be applied to all diverse components for a cooking appliance, with excellent cleaning performance and adhesion. The enamel composition of the present disclosure may include 10 to 25% by weight of SiO2, 15 to 30% by weight of P2O5, 1 to 15% by weight of B2O3, 10 to 25% of at least one of Na2O, Li2O and K2O, 1 to 5% by weight of NaF, 15 to 35% by weight of at least one of Al2O3, TiO2 and ZrO2, and 1 to 10% by weight of at least one of Fe2O3, Co3O4 and NiO, thereby being applicable to coating of components for a cooking appliance such as a burner cap, a grate and a griddle in which food is vulnerable to contamination and subject to thermal shock.
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公开(公告)号：US20210289593A1
公开(公告)日：2021-09-16
申请号：US16905511
申请日：2020-06-18
申请人： LG Electronics Inc.
发明人： Sangcheol LEE , Kyoungjoon PARK , Jaekyung YANG , Wontae KIM
摘要： A microwave oven includes a housing that defines a cavity therein, a heating source configured to heat an object in the cavity, an exhaust device disposed at a lower portion of the housing, a door that is connected to the housing and defines a suction hole configured to receive air from an outside of the door and a discharge hole configured to discharge the air received through the suction hole, and a display disposed at a front surface of the door.
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