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    SHELF SUPPORT DEVICE AND COOKING APPLIANCE WITH THE SAME
    21.
    发明申请
    SHELF SUPPORT DEVICE AND COOKING APPLIANCE WITH THE SAME 审中-公开

    公开(公告)号：US20190041065A1

    公开(公告)日：2019-02-07

    申请号：US16052840

    申请日：2018-08-02

    Applicant: LG Electronics Inc.

    Inventor： Kyoung-Joon PARK ,  Hoon Seob SIM ,  Jaekyung YANG ,  Suyong LEE ,  Yongsoo LEE ,  Yong Hyun LEE

    IPC: F24C15/16

    Abstract: The present disclosure relates a shelf support device and a cooking appliance with the same. The shelf support device includes a rail extending in forward and backward directions to locate a front end portion over a rear end portion, including an upper surface portion and a lower surface portion; and a support unit at which a shelf is mounted at an upper portion of the support unit, coupled to the rail to be movable along the movement path formed by each of the upper surface portion and the lower surface portion, and configured to change a position of the shelf in an upward direction when being moved in the forward direction and the position of the shelf in a downward direction when being moved in the backward direction.

    ENAMEL COMPOSITION, METHOD FOR PREPARATION THEREOF AND COOKING APPLIANCE USING SAME
    23.
    发明申请
    ENAMEL COMPOSITION, METHOD FOR PREPARATION THEREOF AND COOKING APPLIANCE USING SAME 有权

    公开(公告)号：US20210214271A1

    公开(公告)日：2021-07-15

    申请号：US17147823

    申请日：2021-01-13

    Applicant: LG Electronics Inc.

    Inventor： Ju Hyeong KIM ,  Jaekyung YANG ,  Taeho KIM ,  Taehee KIM ,  Yongsoo LEE

    IPC: C03C8/08 ,  C03C3/118 ,  C03C3/064 ,  C23D1/00 ,  F24C15/00 ,  F24C15/10

    Abstract: 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.

    INDUCTION HEATING DEVICE HAVING IMPROVED COMPONENT ARRANGEMENT STRUCTURE AND ASSEMBLABILITY
    24.
    发明申请
    INDUCTION HEATING DEVICE HAVING IMPROVED COMPONENT ARRANGEMENT STRUCTURE AND ASSEMBLABILITY 审中-公开

    公开(公告)号：US20200163170A1

    公开(公告)日：2020-05-21

    申请号：US16687935

    申请日：2019-11-19

    Applicant: LG Electronics Inc.

    Inventor： Seongjun KIM ,  Seongho SON ,  Yongsoo LEE

    IPC: H05B6/12 ,  F21V8/00

    Abstract: An induction heating device includes: a case; working coils; a base plate that supports the working coils; light guides that are installed on the base plate and that cover outer portions of each working coil; light emitting elements disposed below the light guides and configured to emit light; and an indicator substrate that is disposed below the base plate and that seats the light emitting elements. The indicator substrate includes a first indicator substrate, where a first portion of the light emitting elements are arranged along outer portions of the first indicator substrate, and a second indicator substrate disposed at a rear side of the first indicator substrate, where a second portion of the light emitting elements are arranged along outer portions of the second indicator substrate except for an outer portion at a front side that is adjacent to and faces the rear side of the first indicator substrate.

    INDUCTION HEATING DEVICE HAVING IMPROVED COOLING STRUCTURE
    25.
    发明申请
    INDUCTION HEATING DEVICE HAVING IMPROVED COOLING STRUCTURE 审中-公开

    公开(公告)号：US20200154598A1

    公开(公告)日：2020-05-14

    申请号：US16678767

    申请日：2019-11-08

    Applicant: LG Electronics Inc.

    Inventor： Seongjun KIM ,  Seongho SON ,  Yongsoo LEE

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

    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.

    INDUCTION HEATING DEVICE HAVING IMPROVED CONTROL ALGORITHM AND CIRCUIT STRUCTURE
    27.
    发明申请
    INDUCTION HEATING DEVICE HAVING IMPROVED CONTROL ALGORITHM AND CIRCUIT STRUCTURE 审中-公开

    公开(公告)号：US20190357320A1

    公开(公告)日：2019-11-21

    申请号：US16180593

    申请日：2018-11-05

    Applicant: LG Electronics Inc.

    Inventor： Younghwan KWACK ,  Seongho SON ,  Jaekyung YANG ,  Yongsoo LEE

    IPC: H05B6/06 ,  H05B6/12

    Abstract: 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.

    INDUCTION HEATING DEVICE HAVING IMPROVED COOLING STRUCTURE
    28.
    发明申请
    INDUCTION HEATING DEVICE HAVING IMPROVED COOLING STRUCTURE 审中-公开

    公开(公告)号：US20190297689A1

    公开(公告)日：2019-09-26

    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 ,  F28D15/02 ,  F04D13/06 ,  F04D29/60

    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.

    INDUCTION HEATING DEVICE HAVING IMPROVED INDICATOR STRUCTURE
    29.
    发明申请
    INDUCTION HEATING DEVICE HAVING IMPROVED INDICATOR STRUCTURE 审中-公开

    公开(公告)号：US20190297685A1

    公开(公告)日：2019-09-26

    申请号：US16198194

    申请日：2018-11-21

    Applicant: LG Electronics Inc.

    Inventor： Hyo Jin AN ,  Younghwan KWACK ,  Seongho SON ,  Jaekyung YANG ,  Yongsoo LEE

    IPC: H05B6/12 ,  H05B6/06

    Abstract: 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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