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    COATING COMPOSITION AND COOKING APPLIANCE
    61.
    发明公开
    COATING COMPOSITION AND COOKING APPLIANCE 审中-公开

    公开(公告)号：EP3533770A1

    公开(公告)日：2019-09-04

    申请号：EP18198922.9

    申请日：2018-10-05

    Applicant: LG ELECTRONICS INC.

    Inventor： KIM, Taehee ,  KIM, Taeho ,  LEE, Yongsoo ,  CHOI, Suyeon

    IPC: C03C3/19 ,  C03C8/14 ,  C03C17/02 ,  F24C15/00

    Abstract: The present disclosure provides a cooking device comprising: a cavity defining a cooking chamber; a door for selectively opening and closing the cooking chamber; and at least one heating source for heating a to-be-cooked material in the cooking chamber, wherein the door includes a base and a coated layer the base, wherein the base includes soda lime glass, wherein the coated layer is formed by applying coating composition on the base, wherein the coating composition contains P 2 O 5 , Al 2 O 3 , B 2 O 3 , ZnO, I group-based metal oxide and II group-based metal oxide, wherein P 2 O 5 is contained in an amount of 35 to 55% by weight based on a total weight of the coating composition, wherein Al 2 O 3 is contained in an amount of 5 to 35% by weight based on the total weight of the coating composition, wherein the I group-based metal oxide is contained in an amount of 5 wt% to 40 wt% based on the total weight of the coating composition, wherein B 2 O 3 is contained in an amount of 5 wt% to 10 wt% based on the total weight of the coating composition, wherein ZnO is contained in an amount of 1 wt% to 5 wt% based on the total weight of the coating composition, wherein the II group-based metal oxide is contained in an amount of 1 wt% to 10 wt% based on the total weight of the coating composition.

    INDUCTION HEAT COOKING APPARATUS AND OPERATING METHOD THEREOF
    63.
    发明公开
    INDUCTION HEAT COOKING APPARATUS AND OPERATING METHOD THEREOF 审中-公开

    公开(公告)号：EP3439429A1

    公开(公告)日：2019-02-06

    申请号：EP18187255.7

    申请日：2018-08-03

    Applicant: LG Electronics Inc.

    Inventor： SON, Seongho ,  KONG, Taewoong ,  KWACK, Younghwan ,  YANG, Jaekyung ,  LEE, Yongsoo ,  CHOI, Hyojin

    IPC: H05B6/06

    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.

    INDUCTION HEATING DEVICE HAVING IMPROVED ASSEMBLABILITY AND COOLING PERFORMANCE
    65.
    发明公开
    INDUCTION HEATING DEVICE HAVING IMPROVED ASSEMBLABILITY AND COOLING PERFORMANCE 审中-实审

    公开(公告)号：EP4355029A2

    公开(公告)日：2024-04-17

    申请号：EP23214478.2

    申请日：2020-04-24

    Applicant: LG Electronics Inc.

    Inventor： KIM, Seongjun ,  LEE, Yongsoo

    IPC: H05B6/12

    CPC classification number: H05B6/1245 ,  H05B6/1263 ,  H05B2213/0720130101 ,  H05B6/1218 ,  Y02B40/00

    Abstract: An induction heating device includes a case, a working coil, a base plate that is disposed vertically below the working coil, an indicator substrate support that is coupled to the case and that is disposed vertically below the base plate, an indicator substrate that is disposed on an upper surface of the indicator substrate support, that is disposed vertically below the base plate, and that is spaced apart from the base plate, an inverter substrate that is disposed at a lower surface of the indicator substrate support and that includes an inverter configured to apply a resonance current to the working coil through a switching operation, and a resonance substrate that is disposed at the lower surface of the indicator substrate support, that is connected to the working coil, and that includes a resonance capacitor configured to generate the resonance current based on the switching operation of the inverter.

    INDUCTION HEATING TYPE COOKTOP
    66.
    发明公开
    INDUCTION HEATING TYPE COOKTOP 审中-公开

    公开(公告)号：EP4333563A1

    公开(公告)日：2024-03-06

    申请号：EP22795965.7

    申请日：2022-03-21

    Applicant: LG Electronics Inc.

    Inventor： KWACK, Younghwan ,  SON, Seongho ,  JEON, Seonho ,  CHO, Chuhyoung ,  JI, Jongseong ,  YANG, Jaekyung ,  LEE, Yongsoo

    IPC: H05B6/12 ,  H05B6/06

    Abstract: An induction heating type cooktop according to an embodiment of the present disclosure comprises: an upper part on which an object to be heated is placed; an intermediate heating element installed on the upper plate; a first working coil and a second working coil for generating a magnetic field passing through at least the object to be heated or the intermediate heating element; and an inverter unit for controlling a first direction of a first current flowing through the first working coil and a second direction of a second current flowing through the second working coil, wherein according to the type of the object to be heated, the area of a loop formed by the current induced by the intermediate heating element may be changed.

    COOKER
    69.
    发明公开
    COOKER 审中-公开

    公开(公告)号：EP4142432A1

    公开(公告)日：2023-03-01

    申请号：EP20932722.0

    申请日：2020-09-01

    Applicant: LG Electronics, Inc.

    Inventor： SHIN, Jaeyoung ,  SIM, Sunghun ,  HA, Junghyeong ,  KIM, Taeho ,  KIM, Taehee ,  LEE, Yongsoo

    IPC: H05B6/64 ,  H05B3/76 ,  H05B6/76 ,  H05K9/00

    Abstract: The present invention relates to a composite cooker having a plurality of heat sources. The cooker, according to one embodiment of the present disclosure, may comprise: a housing having a cavity formed therein; a door connected to the housing so as to open/close the cavity; a MW heating module for radiating microwaves to the cavity; an IH heating module for radiating a magnetic field toward the cavity; and a shielding member for enabling the magnetic field generated by the IH heating module to pass through, while blocking the microwaves radiated from the MW heating module. The shielding member may comprise carbon fiber.

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