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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：US20210321497A1
公开(公告)日：2021-10-14
申请号：US17010939
申请日：2020-09-03
Applicant: LG Electronics Inc.
Inventor： Jongseong JI , Sunghun SIM , Junghyeong HA , Chaehyun BAEK
Abstract: An oven includes a housing that defines a cavity therein, a radio wave generator coupled to the housing and configured to generate a radio wave to be transmitted to the cavity, a control unit electrically connected to the radio wave generator and configured to determine radio wave information related to an intensity, a phase, and a frequency of the radio wave to be generated by the radio wave generator, and a plurality of antennas electrically connected to the radio wave generator and configured to allow the radio wave to be radiated into the cavity. The plurality of antennas are spaced apart from one another, and the control unit is configured to determine the radio wave information for each of the plurality of antennas.
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公开(公告)号：US20190313488A1
公开(公告)日：2019-10-10
申请号：US16182756
申请日：2018-11-07
Applicant: LG Electronics Inc.
Inventor： Jung Hyeong HA , Sung-Hun SIM , Hyo Jin AN , Jongseong JI , Yun Byung CHAE
Abstract: A microwave heating system includes: a power supply; a first semiconductor module configured to receive power from the power supply and to generate a first microwave; a second semiconductor module configured to receive power from the power supply and to generate a second microwave; a heating chamber that is configured to accommodate an object at an inside of the heating chamber and that allows transmission of the first microwave and the second microwave to the inside of the heating chamber; and a control unit. The control unit is configured to control operation of each of the first semiconductor module and the second semiconductor module, and to control at least one of a frequency, a phase, or a magnitude of each of the first microwave and the second microwave to increase a heating uniformity of the object.
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公开(公告)号：US20180320698A1
公开(公告)日：2018-11-08
申请号：US15960720
申请日：2018-04-24
Applicant: LG Electronics Inc.
Inventor： Jongseong JI , Wontae KIM
CPC classification number: F04D17/162 , F04D25/06 , F04D29/424 , F04D29/626
Abstract: Disclosed herein are a local ventilation equipment and a blower therein. The local ventilation equipment includes: a main body having an intake port in a bottom and an interior area therein; and a blower installed in the interior area of the main body to generate air flow that sucks outside air into the main body through the intake port. The blower comprises an impeller that rotates on a shaft extending laterally and has therein a space to which air sucked through a side is introduced; a scroll housing that accommodates the impeller and has a suction hole formed on a side via which outside air is introduced into the space; and a driving unit that is installed in a space between the main body and the scroll hosing to supply power to rotate the impeller.
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公开(公告)号：US20250039999A1
公开(公告)日：2025-01-30
申请号：US18715944
申请日：2022-05-25
Applicant: LG Electronics Inc.
Inventor： Chuhyoung CHO , Seongho SON , Younghwan KWACK , Seonho JEON , Jongseong JI
IPC: H05B6/12
Abstract: Provided is an induction heating type cooktop that senses overheating of a thin film to prevent the thin film from being overheated. The induction heating type cooktop includes a case, a cover plate coupled to an upper end of the case and configured to comprise an upper plate, on which an object to be heated is disposed on a top surface thereof, a thin film applied on the upper plate, a working coil configured to generate magnetic fields for heating the object to be heated, and a controller configured to determine whether the thin film is overheated and reduce an output level when the thin film is overheated.
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Patent Agency Ranking
16.发明公开公开(公告)号：US20240064878A1
公开(公告)日：2024-02-22
申请号：US18501911
申请日：2023-11-03
Applicant: LG Electronics Inc.
Inventor： Chuhyoung CHO , Seongho SON , Younghwan KWACK , Seonho JEON , Jongseong JI
CPC classification number: H05B6/1272 , H05B6/065
Abstract: An induction heating type cooktop includes a case, an upper plate coupled to a top of the case and configured to support an object, a working coil disposed inside the case and configured to heat the object, a thin film arranged at a top surface of the upper plate or a bottom surface of the upper plate, at least one temperature sensor configured to measure a temperature of at least one of components of the induction heating type cooktop, the components including the thin film, and a microcontroller unit (MCU) configured to drive the working coil and to control an output of the working coil based on whether the temperature satisfies at least one condition that is preset for the at least one of the components.
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公开(公告)号：US20230337336A1
公开(公告)日：2023-10-19
申请号：US18213699
申请日：2023-06-23
Applicant: LG Electronics Inc.
Inventor： Seonho JEON , Seongho SON , Younghwan KWACK , Chuhyoung CHO , Jongseong JI
CPC classification number: H05B6/062 , F24C15/104 , F24C15/105 , H05B1/0266 , H05B6/1245 , H05B2213/07
Abstract: An induction heating type cooktop includes an upper plate coupled to a top side of a case and configured to place an object to be heated on a top of the upper plate, a working coil disposed inside the case to heat the object, a thin film disposed on at least one of a top surface or a bottom surface of the upper plate, an insulator disposed between the bottom surface of the upper plate and the working coil, and a temperature sensor configured to measure a temperature of at least one of the thin film or the upper plate by a plurality of thermocouples.
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公开(公告)号：US20230171856A1
公开(公告)日：2023-06-01
申请号：US17917760
申请日：2021-03-22
Applicant: LG ELECTRONICS INC.
Inventor： Younghwan KWACK , Chuhyoung CHO , Seongho SON , Seonho JEON , Jongseong JI
CPC classification number: H05B6/1272 , H05B6/06
Abstract: An induction heating type cooktop according to an embodiment of the present disclosure may include a case; a cover plate configured to be coupled to the upper end of the case and provided with an upper plate portion on which an object to be heated is disposed; a thin film configured to be coated on the upper plate portion; a first working coil and a second working coil provided inside the case; an inverter configured to be connected to the first working coil; and a first switch configured to be connected between the first working coil and the second working coil. The first switch may determine whether the first working coil and the second working coil are connected in series.
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公开(公告)号：US20230156872A1
公开(公告)日：2023-05-18
申请号：US17916479
申请日：2021-03-19
Applicant: LG Electronics Inc.
Inventor： Younghwan KWACK , Seongho SON , Seonho JEON , Chuhyoung CHO , Jongseong JI
CPC classification number: H05B6/065 , H05B6/1272
Abstract: An induction heating type cooktop according to an embodiment of the present disclosure includes: a case; a cover plate configured to be coupled to an upper end of the case and provided with an upper plate portion on which an object to be heated is disposed; a thin film configured to be coated on the upper plate portion and having an opening in a center thereof; a working coil provided inside the case and including a first working coil and a second working coil; and at least one inverter configured to be driven to allow electric currents to flow through the first working coil and the second working coil, wherein a direction of the electric current flowing through the first working coil is the same as or different from a direction of the electric current flowing through the second working coil according to the object to be heated.
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公开(公告)号：US20230134447A1
公开(公告)日：2023-05-04
申请号：US17914912
申请日：2021-03-19
Inventor： Younghwan KWACK , Seongho SON , Seonho JEON , Chuhyoung CHO , Jongseong JI , Keeyoung SON , Boogyo SIM
Abstract: The present disclosure relates to an induction heating type cooktop and includes a case; a cover plate configured to be coupled to the upper end of the case and provided with an upper plate portion on which an object to be heated is disposed; a working coil provided inside the case; a thin film configured to be coated on the upper plate portion and to be inductively heated by the working coil; and an adiabatic material provided between the upper plate portion and the working coil, in which the thin film may be formed to have at least one closed loop that does not include a central region of the working coil.
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