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公开(公告)号：US20240295326A1
公开(公告)日：2024-09-05
申请号：US18662139
申请日：2024-05-13
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：US20210259062A1
公开(公告)日：2021-08-19
申请号：US17179925
申请日：2021-02-19
Applicant: LG Electronics Inc.
Inventor： Juwon KIM , Eunjin JANG , Jongwon HWANG , Yongsoo LEE , Hyunwoo JUN , Jaekyung YANG
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 arranged to receive a target object, a working coil that is disposed in the case and that is configured to heat the target object, a thermal insulation material disposed on the working coil, and a heating thin film coating that is disposed on a surface of the upper plate of the cover plate or a surface of the thermal insulation material and that has a stacked structure in which an adhesive layer and a heating layer are consecutively stacked.
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公开(公告)号：US20210127463A1
公开(公告)日：2021-04-29
申请号：US17141749
申请日：2021-01-05
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：US20200154531A1
公开(公告)日：2020-05-14
申请号：US16678803
申请日：2019-11-08
Applicant: LG Electronics Inc.
Inventor： Younghwan KWACK , Seongho SON , Jaekyung YANG , Yongsoo LEE
Abstract: An induction heating device includes a working coil, an inverter including a first switching element and a second switching element; a gate driver including a first sub-gate driver and a second sub-gate driver; and a protection circuit disposed between the inverter and the gate driver. The protection circuit includes a first resistor disposed between a gate terminal of the first switching element and an output terminal of the first sub-gate driver, a second resistor connected electrically in parallel to the first resistor, a protection circuit resistor disposed between a reference voltage terminal of the first sub-gate driver and a first node between the first switching element and the second switching element, a protection circuit diode disposed between a ground and a second node between the protection circuit resistance and the reference voltage terminal, and a bootstrap circuit disposed between the second node and the external power supply.
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公开(公告)号：US20200088415A1
公开(公告)日：2020-03-19
申请号：US16614256
申请日：2018-05-16
Applicant: LG Electronics Inc.
Inventor： Suyong LEE , Jaekyung YANG , Yongsoo LEE , Yonghyun LEE
Abstract: A cooking appliance according to an embodiment of the present invention comprises: a case having a cooking chamber formed therein; a door for opening/closing a front opening of the case; a steam generation device mounted on the exterior of the case; and a steam supply pipe for connecting the steam generation device and the cooking chamber, wherein the steam generation device can comprise: a housing fixed to the case; a drawer provided so as to be able to be withdrawn from and put into the housing, and into which water for generating steam is filled; and a heating unit mounted on the lower surface of the drawer so as to heat the water filled inside the drawer.
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Patent Agency Ranking
公开(公告)号：US20200011537A1
公开(公告)日：2020-01-09
申请号：US16482927
申请日：2018-01-30
Applicant: LG Electronics Inc.
Inventor： Eunkyoung YOON , Jaekyung YANG , Hakjoo LIM , Yongsoo LEE
Abstract: A steam generator and a cooking device including the same, according to an embodiment of the present invention may include a water supply pipe into which steam water is introduced, a heating chamber having a chamber body and a chamber cover, and a steam heater configured to provide heat, wherein the steam heater is provided to be embedded in the chamber body and the chamber body includes a plurality of partition walls protruding in one direction along an inner peripheral surface to form a Z-shaped steam flow path through which supply water introduced into the chamber body and steam generated by heating the supply water flow. Therefore, the heat transfer, which had been concentrated only in a predetermined region, may be dispersed by the flow path formed in the chamber body, thereby stably generating the steam even in repetitive steam generation operation.
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公开(公告)号：US20190316783A1
公开(公告)日：2019-10-17
申请号：US16292865
申请日：2019-03-05
Applicant: LG ELECTRONICS INC.
Inventor： Suyong LEE , Jaekyung YANG , Haksoon YANG , Soochan LEE , Yongsoo LEE
Abstract: A cooking appliance includes a main body that defines a cooking chamber configured to receive one or more objects, a steam generator configured to generate steam to heat the one or more objects in the cooking chamber by steam, a water tank configured to store water and to supply water to the steam generator, a water supply pipe configured to cause supply of water from the water tank to the steam generator, a steam supply pipe configured to supply steam generated by the steam generator to the cooking chamber, and a return pipe that is connected to the steam supply pipe and to the steam generator. The return pipe is configured to allow water discharged to the steam supply pipe to return to the steam generator.
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公开(公告)号：US20190313832A1
公开(公告)日：2019-10-17
申请号：US16292866
申请日：2019-03-05
Applicant: LG ELECTRONICS INC.
Inventor： Semi LEE , Hoonseob SIM , Jaekyung YANG , Yongsoo LEE , Yoojin JUNG
Abstract: A cooking appliance includes a main body that defines a cooking chamber configured to receive one or more objects, a steam generator configured to generate steam to heat the one or more objects in the cooking chamber by steam, a water tank configured to store water and to supply water to the steam generator, a water supply pump configured to cause supply of water from the water tank to the steam generator, a first water supply pipe connected to the water tank, a second water supply pipe connected to the steam generator, a connector connected to the first water supply pipe and to the second water supply pipe, and a branch pipe connected to the connector. The water tank is located vertically higher than the steam generator, and the connector and the branch pipe are located vertically higher than the water tank.
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公开(公告)号：US20190306928A1
公开(公告)日：2019-10-03
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：US20190281668A1
公开(公告)日：2019-09-12
申请号：US15941876
申请日：2018-03-30
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Hoon KIM , Yongsoo LEE
Abstract: An induction heating device includes a case, a cover plate, a working coil, a base plate, a light guide that is located around the working coil and includes a light-emitting surface that indicates an output intensity of the working coil or an operation state of the working coil, and a light-emitting element that emits light toward the light guide. The light guide includes a light-guiding portion that has a lower surface having a parabolic shape and an upper surface including the light-emitting surface in which the upper surface extends in a first direction farther than the lower surface, and a light-guiding support that couples to the base plate, that surrounds at least a portion of the light-guiding portion, and that reflects, toward the light-guiding portion, at least one of light that has been emitted from the light-emitting element or light that has been guided through the light-guiding portion.
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