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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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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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Patent Agency Ranking
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：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.
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公开(公告)号：US20240215124A1
公开(公告)日：2024-06-27
申请号：US18288904
申请日：2022-03-21
Applicant: LG ELECTRONICS INC.
Inventor： Younghwan KWACK , Seongho SON , Seonho JEON , Chuhyoung CHO , Jongseong JI , Jaekyung YANG , Yongsoo LEE
CPC classification number: H05B6/1272 , H05B6/065
Abstract: An induction heating type cooktop can include an upper plate configured to support an object to be heated, an intermediate heating element overlapping with the upper plate, a plurality of working coils configured to generate magnetic fields that pass through at least one of the object or the intermediate heating element, and a resonance capacitor configured to resonate with one or more of the plurality of working coils. Also, the induction heating type cooktop can include an inverter configured to apply current to at least one of the plurality of working coils and a switch configured to selectively connect at least one of the plurality of working coils to the inverter.
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公开(公告)号：US20240092686A1
公开(公告)日：2024-03-21
申请号：US18274309
申请日：2022-01-26
Applicant: LG ELECTRONICS INC.
Inventor： Ju Hyeong KIM , Jaekyung YANG , Taeho KIM , Taehee KIM , Jaeyoung SHIN
CPC classification number: C03C8/08 , C03C3/064 , F24C15/005 , C03C2204/00 , C03C2207/00
Abstract: Disclosed are: an enamel composition which has excellent cleaning functionality, and which, when used to form an enamel coating on a metal base material, ensures excellent thermal shock resistance and durability by suppressing the generation of defects caused by gas generation; a method for manufacturing same; and kitchenware using same. In addition, the enamel composition according to the present invention has excellent thermal shock resistance and durability due to having a component system in which glass-forming components and catalytic components are optimized.
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