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公开(公告)号:US11140752B2
公开(公告)日:2021-10-05
申请号:US16276180
申请日:2019-02-14
Applicant: LG Electronics Inc.
Inventor: Hyojin Choi , Seongho Son , Jaekyung Yang , Yongsoo Lee
Abstract: An induction heating device includes: a casing; a cover plate coupled to a top of the casing, where the cover plate has a surface configured to seat an object; a first induction heating module located within the casing and configured to heat the object; a first wiring substrate that is configured to couple to a bottom of the first induction heating module and that extends in a first direction, where the first wiring substrate includes at least one of a power line or a signal line; and a first connector that is configured to couple the first wiring substrate to the bottom of the first induction heating module, where the first connector includes a pogo pin.
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公开(公告)号:US10925123B2
公开(公告)日:2021-02-16
申请号:US15862537
申请日:2018-01-04
Inventor: Younghwan Kwack , Jaekyung Yang , Seongho Son , Yongsoo Lee , Jeehoon Jung , Hwapyeong Park , Mina Kim
Abstract: An induction heat cooking apparatus that includes: a rectifier that is configured to convert alternating current (AC) voltage supplied from an external power source into direct current (DC) voltage; an inverter that is configured to generate current based on DC voltage received from the rectifier and provide the current to output nodes; heating coils that are configured to, based on the current generated by the inverter, generate magnetic fields for providing heat; a first capacitive unit that includes one or more resonance capacitors and that is coupled between the output nodes; a second capacitive unit that includes one or more wireless power transfer (WPT) capacitors and that is configured to be coupled between the output nodes; and a mode conversion switch that is configured to couple the second capacitive unit to the first capacitive unit in parallel is disclosed.
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公开(公告)号:US10917947B2
公开(公告)日:2021-02-09
申请号:US15843862
申请日:2017-12-15
Applicant: LG Electronics Inc.
Inventor: Seongho Son , Jaekyung Yang , Hyojin Choi , Yongsoo Lee
Abstract: 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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公开(公告)号:US12013130B2
公开(公告)日:2024-06-18
申请号:US17881246
申请日:2022-08-04
Applicant: LG Electronics Inc.
Inventor: Wontae Kim , Seongho Son , Jaekyung Yang , Yongsoo Lee , Hyunwoo Jun
CPC classification number: F24C7/087 , H05B3/748 , H05B6/105 , H05B6/1209 , H05B6/1263
Abstract: 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:US11767434B2
公开(公告)日:2023-09-26
申请号:US17122268
申请日:2020-12-15
Applicant: LG ELECTRONICS INC.
Inventor: Soyoon Kim , Dong Jin Kim , Juwon Kim , Hyunwoo Jun , Jaekyung Yang
Abstract: A composition for a stainless coating according to the present disclosure includes a sodium silicate, a lithium silicate, a polysiloxane, ethanol, and a residual solvent. The composition may be uniformly and smoothly coated on a curved, stainless steel surface, cleaning may be easier, and yellowing may be reduced or prevented.
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公开(公告)号:US11672056B2
公开(公告)日:2023-06-06
申请号:US16182780
申请日:2018-11-07
Applicant: LG Electronics Inc.
Inventor: Hoon Seob Sim , Jaekyung Yang , Se Mi Lee , Yongsoo Lee , Hakjoo Lim
CPC classification number: H05B6/42 , F04D13/06 , F04D29/60 , F24C15/101 , F28D15/0275 , H05B6/1263 , H05B2213/03
Abstract: 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:US11441783B2
公开(公告)日:2022-09-13
申请号:US16558039
申请日:2019-08-31
Applicant: LG Electronics Inc.
Inventor: Wontae Kim , Seongho Son , Jaekyung Yang , Yongsoo Lee , Hyunwoo Jun
Abstract: 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:US11382449B2
公开(公告)日:2022-07-12
申请号:US16481044
申请日:2018-01-23
Applicant: LG ELECTRONICS INC.
Inventor: Soochan Lee , Jaekyung Yang , Haksoon Yang , Yongsoo Lee
Abstract: A steam generator and a cooking apparatus having a steam generator are provided. The steam generator may include a steam generation tube; an inflow tube configured to provide a passage so that water is introduced into the steam generation tube; at least one heater disposed on an outer surface of the steam generation tube to heat the water and generate steam; a discharge tube disposed above the steam generation tube to provide a passage so that the steam is discharged; and an adaptor unit configured to branch discharge water and the steam discharged from the discharge tube. The discharge tube may have an inner diameter that gradually increases in an upward direction.
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公开(公告)号:US10973091B2
公开(公告)日:2021-04-06
申请号:US16054372
申请日:2018-08-03
Applicant: LG Electronics Inc.
Inventor: Seongho Son , Taewoong Kong , Younghwan Kwack , Jaekyung Yang , Yongsoo Lee , Hyojin Choi
Abstract: 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:US10738522B2
公开(公告)日:2020-08-11
申请号:US16056664
申请日:2018-08-07
Applicant: LG Electronics Inc.
Inventor: Kyoung-Joon Park , Hoon Seob Sim , Jaekyung Yang , Suyoung Lee , Yongsoo Lee , Yong Hyun Lee
Abstract: A door includes a handle, a handle link configured to rotate about a handle shaft, a first swing hinge shaft configured to protrude outward from and retract into a first side of the door, a pull-down configured to protrude outward from and retract into a second side of the door, a first main link having a first end rotatably connected to the handle link and a second end rotatably connected to the first swing hinge shaft, and a second main link having a first end rotatably connected to the handle link and a second end rotatably connected to the pull-down bar. The pull-down bar and the first swing hinge shaft are each configured to protrude from or retract to a side of the door based on rotation of the handle.
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