公开(公告)号：US20220386429A1

公开(公告)日：2022-12-01

申请号：US17826772

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Myoeng Soo PARK ,  Junghyeon CHO ,  Seunghak KIM

IPC: H05B6/12

Abstract: An electric range is provided that may include a dedicated coil temperature sensor configured to measure a temperature of a working coil so as to monitor the temperature of the working coil in real time and actively respond to a working coil load condition, thereby remarkably increasing an operation time of the electric range.

公开(公告)号：US20240255153A1

公开(公告)日：2024-08-01

申请号：US18564715

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsoo KIM ,  Junghyeon CHO ,  Myoeng Soo PARK ,  Ji Won LEE ,  Mijung KIM

IPC: F24C15/10 ,  F24C15/00 ,  H05B6/12

CPC classification number: F24C15/101 ,  F24C15/006 ,  H05B6/12

Abstract: An electric range is disclosed. The disclosed electric range may increase the cooling efficiency of a heat sink and some electronic devices by placing the heat sink and some electronic devices inside one air guide. The electric range according to one embodiment may comprise: a printed circuit board having a plurality of electronic devices mounted thereon; a heat sink mounted on the printed circuit board; a blower fan for discharging air; and the air guide surrounding some electronic devices from among the plurality of electronic devices and the heat sink, communicating with the blower fan, and forming a flow path for the air discharged from the blower fan.

公开(公告)号：US20220381442A1

公开(公告)日：2022-12-01

申请号：US17826341

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Mijung KIM ,  Junghyeon CHO

IPC: F24C15/00 ,  F24C7/06 ,  H05K7/20

Abstract: A home appliance is provided in which electronic elements are attached to an outer surface of a heat sink, allowing air to directly contacting the electronic elements. More specifically, the electronic elements are attached to an outer slanted surface of the heat sink, an air guide is disposed to surround the heat sink to which the electronic elements are attached, and an air blowing fan is used to allow air to flow in the air guide, enabling the flowing air to directly contact the electronic elements.

公开(公告)号：US20240263800A1

公开(公告)日：2024-08-08

申请号：US18564439

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Seunghak KIM ,  Junghyeon CHO ,  Myoeng Soo PARK ,  Ji Won LEE

IPC: F24C15/00 ,  H05B6/04 ,  H05K1/02 ,  H05K7/20

CPC classification number: F24C15/006 ,  H05B6/04 ,  H05K1/0203 ,  H05K7/20145 ,  H05K7/20154

Abstract: Disclosed is a microwave oven. The microwave oven disclosed herein has a first electronic component group disposed on the inside of an air guide, and a second electronic component group disposed on the outside of a first side of the air guide, and includes an air discharge hole on an outer wall of the first side of the air guide, such that a portion of air flowing into the air guide to cool the first electronic component group may be provided to the second electronic component group. Accordingly, both the first electronic component group and the second electronic component group can be cooled.

公开(公告)号：US20220386447A1

公开(公告)日：2022-12-01

申请号：US17826261

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Mijung KIM ,  Junghyeon CHO

IPC: H05K1/02 ,  H05K7/20 ,  F24C15/00 ,  H05B6/04

Abstract: A home appliance is provided that may include a first air flow path included in a heat sink, and a second air flow path defined at a lower side of the heat sink, such that air flows to inside and outside of the heat sink efficiently. A plurality of heat dissipation fins may protrude downward from a wall of the second air flow path, increasing a contact surface between the heat sink and air. A projection may be formed on at least one of the walls of the first air flow path, the walls of the second air flow path, an outer surface of the plurality of heat dissipation fins, or an upper surface of the heat sink.

公开(公告)号：US20220386427A1

公开(公告)日：2022-12-01

申请号：US17826554

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Seunghak KIM ,  Junghyeon CHO

IPC: H05B6/12 ,  F24C7/08

Abstract: An electric range is provided that may include a lower casing defining a lower portion of a case that is formed in two steps. In particular, the lower casing may include a first lower part; a second lower part recessed from an inside of the first lower part, and to which a bracket is coupled; and a third lower part that protrudes from at least a predetermined area of a portion of the first lower part.

公开(公告)号：US20220381437A1

公开(公告)日：2022-12-01

申请号：US17826527

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Myoeng Soo PARK ,  Junghyeon CHO ,  Ji Won LEE

IPC: F24C7/06 ,  F24C15/00

Abstract: An electric range may include a case, a cover plate coupled to an upper end of the case and on an upper surface of which an object to be heated is placed, a heat sink, an air blowing fan, wherein the air blowing fan is configured to discharge air toward the heat sink, and an air guide that communicates with the air blowing fan, surrounds the heat sink, and forms a flow path of air that cools the heat sink, wherein the air guide includes an side outlet formed in a portion at which the air guide communicates with the air blowing fan, and wherein the air guide is configured to discharge a portion of air flowing from the air blowing fan outward.

公开(公告)号：US20240260143A1

公开(公告)日：2024-08-01

申请号：US18564358

申请日：2022-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Seunghak KIM ,  Junghyeon CHO

IPC: H05B3/68 ,  F24C7/08 ,  F24C15/00 ,  F24C15/08

CPC classification number: H05B3/68 ,  F24C7/083 ,  F24C15/006 ,  F24C15/08

Abstract: An electric range according to an embodiment of the present disclosure comprises: a case which forms the appearance of the electric range; a heating unit which heats an object to be heated; an upper bracket which is disposed under the heating unit and supports the heating unit; an operation unit through which operation commands for controlling the heating unit are input; a printed circuit board on which at least one electronic component for driving the heating unit is mounted; and a supporter which is disposed under the upper bracket, wherein the supporter comprises a first support part which supports the printed circuit board and a second support part which supports the operation unit.

公开(公告)号：US20220400540A1

公开(公告)日：2022-12-15

申请号：US17830540

申请日：2022-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Myoeng Soo PARK ,  Junghyeon CHO

IPC: H05B6/12 ,  H01F27/26

Abstract: An electric range is provided that may effectively increase output of a heater by optimizing a shape of each ferrite core without increasing a number of ferrite cores and may secure a maximum area of a through hole that facilitates communication between an inside and outside of a core frame, thereby preventing overheating of the heater and decreasing a use time of the heater.

公开(公告)号：US20220167468A1

公开(公告)日：2022-05-26

申请号：US17513686

申请日：2021-10-28

Applicant: LG ELECTRONICS INC.

Inventor： Sangbeom KIM ,  Junghyeon CHO

IPC: H05B6/06 ,  H01F27/24 ,  H05B6/36

Abstract: According to an embodiment, an electric range includes a core frame. The core frame includes a withdrawal portion on a top surface thereof, formed by removing a portion of a guide rail. The withdrawal portion is configured to guide withdrawal of a working coil to outside of the core frame. A portion of the working coil is disposed on the withdrawal portion. Thus, the number of windings of the working coil around the guide rail of the core frame, a total winding length of the working coil, and a winding range of the working coil is easily adjusted.