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公开(公告)号：US20250008617A1
公开(公告)日：2025-01-02
申请号：US18687056
申请日：2022-10-27
Applicant: LG ELECTRONICS INC.
Inventor： Jangmo SHIN , Sunghun SIM , Dongseong KWAG , Junghyeong HA
Abstract: The present disclosure relates to a cooking appliance having a heater vertically movable in a cooking chamber. The cooking appliance according to the present disclosure comprises: a casing having a cooking chamber formed therein; a door rotatably provided at one portion of the casing and opening and closing the cooking chamber; a moving assembly configured to be movable vertically inside the cooking chamber and provided with a heater, and a shielding means configured to prevent leakage of electromagnetic waves through a gap between the casing and the moving assembly. The cooking appliance has the advantage of preventing electromagnetic waves from leaking out.
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公开(公告)号：US20210315073A1
公开(公告)日：2021-10-07
申请号：US17011043
申请日：2020-09-03
Applicant: LG Electronics Inc.
Inventor： Chaehyun BAEK , Sunghun SIM , Junghyeong HA , Jongseong JI
Abstract: A transfer connector for a cooking appliance includes a body that extends in a first direction and defines a hollow portion therein, a base that is coupled to the body and defines a communication hole in communication with the hollow portion, an electric connection part electrically connected to an external power source and extended in the first direction and penetrating through the hollow portion and the communication hole, and a dielectric material disposed in the hollow portion between an inner circumferential surface of the body and an outer circumferential surface of the electric connection part. The inner circumferential surface of the body surrounds the dielectric material, and the dielectric material surrounds the outer circumferential surface of the electric connection part.
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公开(公告)号：US20240251487A1
公开(公告)日：2024-07-25
申请号：US18289942
申请日：2021-05-21
Applicant: LG ELECTRONICS INC.
Inventor： Jaepyo HONG , Junghyeong HA , Yunbyung CHAE , Myeongjun SHIN , Sunghun SIM
CPC classification number: H05B6/6408 , H05B6/6482 , H05B6/6488 , H05B6/76
Abstract: A cooking appliance includes a housing which has a cavity formed therein; a door which is connected to the housing and opens/closes the cavity; a microwave heating module which emits microwaves to the cavity; a working coil module which emits a magnetic field to the cavity; a plate in which a center hole for guiding a magnetic field to the cavity is formed; and a shielding filter which is disposed between the plate and the working coil module. The plate has a plurality of grooves formed around the center hole.
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公开(公告)号：US20210352781A1
公开(公告)日：2021-11-11
申请号：US17061150
申请日：2020-10-01
Applicant: LG Electronics Inc.
Inventor： Junghyeong HA , Sunghun SIM , Yunbyung CHAE
Abstract: An oven includes: a body part defining an inner space that has an opening in one direction, a front plate disposed along a circumference of the opening of the body part and extending in a direction intersecting with the one direction, and a door part configured to contact the front plate to cover the inner space. The door part includes a door plate configured to overlap with the inner space and the front plate in the one direction and providing a protrusion that protrudes from a central portion thereof toward the inner space, a first choke provided in an annular shape along a circumference of the protrusion, and a second choke disposed outside the first choke, provided in an annular shape along a circumference of the first choke, and configured to overlap with the front plate in the one direction.
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公开(公告)号：US20240196489A1
公开(公告)日：2024-06-13
申请号：US18525602
申请日：2023-11-30
Applicant: LG ELECTRONICS INC.
Inventor： Junghyeong HA , Sunghun SIM , Hoongoo LEE
Abstract: A cooking appliance can include a housing including a cavity; a door connected to the housing and configured to open and close the cavity; a radio frequency (RF) generator configured to generate RF power for generating electric fields in the cavity; an RF matcher configured to match an impedance of the RF power with a load of the cavity. Also, the cooking appliance can further include a working coil configured to emit magnetic fields toward the cavity.
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Patent Agency Ranking
公开(公告)号：US20210352778A1
公开(公告)日：2021-11-11
申请号：US17061174
申请日：2020-10-01
Applicant: LG Electronics Inc.
Inventor： Junghyeong HA , Sunghun SIM , Yunbyung CHAE , Chaehyun BAEK
Abstract: A radio wave radiating device includes: a radio wave supply unit extending in one direction, one end of the radio wave supply unit being connected to a power source, an earth part spaced apart from the radio wave supply unit by a predetermined distance in a direction intersecting with the one direction, extending in the one direction, one end of the earth part being connected to a ground, and a radiating element connected to another end of the radio wave supply unit and another end of the earth part, respectively, and configured to radiate a radio wave received from the radio wave supply unit. The radiating element includes a middle portion connecting the radio wave supply unit and the earth part, a first radiating portion extending in a direction away from the earth part, and a second radiating portion extending in a direction away from the radio wave supply unit.
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公开(公告)号：US20240397592A1
公开(公告)日：2024-11-28
申请号：US18674460
申请日：2024-05-24
Applicant: LG ELECTRONICS INC.
Inventor： Sunghun SIM , Jaekyung YANG , Junghyeong HA , Myeongjun SHIN
Abstract: A cooking appliance includes a cooking chamber configured to receive a load to be heated, a front panel disposed at one end of the cooking chamber and having a bent portion, and a door configured to shield both heat and electromagnetic waves generated in the cooking chamber. The door includes a door frame including a choke and a choke cover. A shielding member is disposed between the front panel and the door. The shielding member is in contact with at least one surface of the front panel and in contact with the door.
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公开(公告)号：US20240397591A1
公开(公告)日：2024-11-28
申请号：US18674516
申请日：2024-05-24
Applicant: LG ELECTRONICS INC.
Inventor： Yunbyung CHAE , Jaekyung YANG , Sunghun SIM , Junghyeong HA , Myeongjun SHIN
Abstract: A cooking appliance can include a solid-state power modulator (SSPM) configured to generate frequency and radio frequency (RF) output, a power supply configured to supply power to the SSPM, an antenna configured to radiate the RF output to a load, a temperature sensor configured to acquire internal temperature data of the load, and a controller configured to change the frequency and the RF output based on the internal temperature data of the load.
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公开(公告)号：US20230254951A1
公开(公告)日：2023-08-10
申请号：US18136593
申请日：2023-04-19
Applicant: LG Electronics Inc.
Inventor： Wontae KIM , Hyunwoo JUN , Jaekyung YANG , Sunghun SIM , Seongho SON
CPC classification number: H05B6/647 , H05B3/0014 , H05B6/105 , H05B6/129 , H05B6/707 , H05B6/6402 , H05B6/6482 , H05B6/6488
Abstract: A cooking appliance includes a housing that defines a cavity therein, a door connected to the housing and configured to open and close the cavity, a microwave (MW) heating module configured to emit microwaves into the cavity, and an induction heating (IH) module configured to emit a magnetic field towards the cavity. The IH module includes a working coil that is configured to generate the magnetic field and a thin film that is disposed between the cavity and the working coil.
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公开(公告)号：US20240057228A1
公开(公告)日：2024-02-15
申请号：US18266925
申请日：2021-01-12
Applicant: LG ELECTRONICS INC.
Inventor： Junghyeong HA , Sunghun SIM , Yunbyung CHAE
CPC classification number: H05B6/6488 , H05B6/1209
Abstract: The cooking appliance has a casing having an open front, a cooking space formed therein and an opening part formed at one side thereof, a microwave generator for generating and directing a microwave toward the cooking space; an induction coil facing the opening part, the cooking part being arranged outside the space; and a shielding plate arranged between the induction coil and the opening part. The shielding plate includes an insulator; a first pattern, which is formed on one surface of the insulator and faces the opening part, and a second pattern, which is formed on the other surface of the insulator and is perpendicular to the first pattern. The first pattern has a slit formed in a region facing the opening part.
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