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

IPC: H05B6/72 ,  H05B6/64

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.

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

IPC: H05B6/72 ,  H05B6/70 ,  H05B6/64 ,  H01Q1/38

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.

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

IPC: H05B6/64 ,  H05B6/76

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.

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

IPC: H05B6/76 ,  H05B6/64

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.

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

IPC: H05B6/64 ,  H05B6/12

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.

公开(公告)号：US20240049367A1

公开(公告)日：2024-02-08

申请号：US18269500

申请日：2021-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Yunbyung CHAE ,  Jangmo SHIN ,  Sunghun SIM ,  Junghyeong HA ,  Jaepyo HONG ,  Chaehyun BAEK

IPC: H05B6/64

CPC classification number: H05B6/6402 ,  H05B6/6482

Abstract: A cooking appliance includes a cavity having a cooking space formed therein and an accommodation space, which is smaller than the cooking space, formed above the cooking space; a microwave generator for generating microwaves to the cooking space; a moving heater module accommodated in the accommodation space and including a heater; a moving heater module control unit for controlling the moving heater module; and a moving heater choke provided between the outer peripheral part of the moving heater module and the inner surface of the cavity.

公开(公告)号：US20210352780A1

公开(公告)日：2021-11-11

申请号：US17117385

申请日：2020-12-10

Applicant: LG Electronics Inc.

Inventor： Junghyeong HA ,  Sunghun SIM ,  Yunbyung CHAE ,  Chaehyun BAEK

IPC: H05B6/72 ,  H05B6/70 ,  H05B6/64 ,  F24C7/06 ,  F24C7/02

Abstract: An oven includes a housing that defines a cooking space and that includes an upper frame defining an upper wall that faces the cooking space, a heating unit that is disposed adjacent to the upper frame and configured to transfer heat to the cooking space and that extends along a predetermined pattern to define a closed area, a support member in contact with a plurality of points of the heating unit, and a plurality of antennas disposed at the upper frame and configured to emit, toward the cooking space, radio waves transmitted from a radio wave generator that is electrically connected to an external power source.

公开(公告)号：US20210352779A1

公开(公告)日：2021-11-11

申请号：US17115088

申请日：2020-12-08

Applicant: LG Electronics Inc.

Inventor： Junghyeong HA ,  Sunghun SIM ,  Yunbyung CHAE ,  Chaehyun BAEK

IPC: H05B6/72 ,  H05B6/64

Abstract: An oven includes a housing that defines a cooking space and that includes an upper frame defining an upper wall facing the cooking space, a heating unit disposed at the upper frame and configured to transfer heat to the cooking space, an antenna disposed at the upper frame and configured to emit, toward the cooking space, radio waves transmitted from a radio wave generator that is electrically connected to an external power source, and a forming part that protrudes upward from the upper frame and accommodates the antenna therein. The forming part covers the antenna from the cooking space.