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

IPC: F24C7/08 ,  H05B3/74 ,  H05B6/10 ,  H05B6/12

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.

公开(公告)号：US11912622B2

公开(公告)日：2024-02-27

申请号：US17117440

申请日：2020-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon Choi ,  Taeho Kim ,  Yongsoo Lee

IPC: C03C8/06 ,  C03C3/068 ,  C03C3/115 ,  F24C15/00

CPC classification number: C03C8/06 ,  C03C3/068 ,  C03C3/115 ,  F24C15/005 ,  C03C2207/04

Abstract: A composition for enamel may include 10 to 45 wt % of SiO2; 1 to 10 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and/or Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3, 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 0.5 to 10 wt % of one or more of MnO2, Fe2O3, and/or Co3O4. The composition may be used to make a coating layer provided on a cooking appliance so that contaminants may be easily cleaned from the cooking appliance at a room temperature.

公开(公告)号：US11912610B2

公开(公告)日：2024-02-27

申请号：US16945343

申请日：2020-07-31

Applicant: LG Electronics Inc. ,  KONGJU NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION

Inventor： Taeho Kim ,  Dongwan Seo ,  Yongsoo Lee ,  Taehee Kim ,  Ju Hyeong Kim ,  Woon-Jin Chung ,  Hansol Lee ,  In-Gun Kim

IPC: C03C17/00 ,  C03C17/23 ,  A47J27/00 ,  B82Y30/00

CPC classification number: C03C17/23 ,  A47J27/002 ,  C03C17/001 ,  B82Y30/00 ,  C03C2217/214 ,  C03C2217/216 ,  C03C2217/22 ,  C03C2217/228 ,  C03C2217/229 ,  C03C2217/23

Abstract: A coating composition, coating glass and a method for preparation thereof, and a cooking appliance including the coating class are described. The coating composition includes a coating material and a heat conductive oxide nano powder that is 5 to 10 wt % with respect to a weight of the coating material. The coating composition provides an excellent infrared reflective function, a high transmittance, and an excellent cleaning performance.

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

IPC: H05B6/42 ,  F04D13/06 ,  F04D29/60 ,  F28D15/02 ,  F24C15/10 ,  H05B6/12

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.

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

IPC: F24C7/08 ,  H05B3/74 ,  H05B6/10 ,  H05B6/12

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.

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

IPC: A47J27/04 ,  A47J36/32 ,  F22B1/28 ,  F22D5/26 ,  F24C15/00

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.

公开(公告)号：US20210171388A1

公开(公告)日：2021-06-10

申请号：US17117359

申请日：2020-12-10

Applicant: LG ELECTRONICS INC.

Inventor： Suyeon CHOI ,  Taeho Kim ,  Yongsoo Lee

IPC: C03C8/02 ,  F24C15/00

Abstract: A composition for enamel may include 20 to 45 wt % of SiO2; 1 to 15 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3,; 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 1 to 10 wt % of one or more of MnO2, Fe2O3, and Co3O4. The composition may be used to coat a cooking appliance for easy removal of contaminants at room temperature.

公开(公告)号：US10980156B2

公开(公告)日：2021-04-13

申请号：US16678767

申请日：2019-11-08

Applicant: LG Electronics Inc.

Inventor： Seongjun Kim ,  Seongho Son ,  Yongsoo Lee

IPC: H05K7/20 ,  H05B6/06 ,  H05K5/02 ,  H05B6/42

Abstract: An induction heating device includes a case having a lower plate that defines an inlet and an exhaust slit; a cover plate coupled to the case; a working coil disposed inside the case; an indicator substrate support coupled to the lower plate and disposed below the working coil; an inverter substrate disposed on a lower surface of the indicator substrate support and including an inverter and a first heat sink configured to dissipate heat generated from the inverter; and a first blowing fan disposed at the lower plate and configured to draw air from an outside of the case through the inlet and discharge the air to the inverter substrate. The exhaust slit is configured to discharge, to an area below the lower plate, at least a portion of air discharged from the first blowing fan to the inverter substrate.

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

IPC: H05B6/06 ,  H05B6/08 ,  H05B6/04 ,  F24C7/06 ,  F24C7/08 ,  H05B6/12

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.

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

IPC: A47B81/00 ,  E05D15/52 ,  F24C15/02

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.