公开(公告)号：US20190048509A1

公开(公告)日：2019-02-14

申请号：US16059286

申请日：2018-08-09

Applicant: LG Electronics Inc.

Inventor： Beomjun KIM ,  Bio PARK ,  Sangwook HONG

IPC: D06F39/04 ,  D06F23/04 ,  D06F37/12 ,  D06F37/26 ,  H05B6/10

Abstract: A laundry treatment apparatus is configured to directly heat a drum containing laundry therein. The laundry treatment apparatus includes: a tub; a drum configured to rotate within the tub and to contain laundry therein, the drum being formed of a metallic material; and an induction module provided at an outer surface of the tub and configured to heat a surface of the drum within the tub via induction, the induction module comprising: a coil that comprises a wire through which an electric current is configured to pass so as to generate a magnetic field; a base housing configured to accommodate the coil therein, the base housing being mounted on the outer surface of the tub; an at least one magnet configured to be arranged above the base housing in which the coil is accommodated, and arranged to be lengthwise perpendicular to a longitudinal direction of the wire of the coil.

公开(公告)号：US20230145222A1

公开(公告)日：2023-05-11

申请号：US17912785

申请日：2021-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Beomjun KIM ,  Hyunwoo NOH ,  Sangwook HONG

IPC: D06F58/10 ,  D06F58/02 ,  D06F58/26

CPC classification number: D06F58/10 ,  D06F58/02 ,  D06F58/26

Abstract: A clothing treatment apparatus includes a cabinet having an inlet; a door provided in the cabinet to open and close the inlet; a drum rotatably disposed inside the cabinet, and having an elongated cylindrical shape; a tubular extension part extending from the inlet of the cabinet toward the drum; a first duct provided outside the drum; an induction heater which includes a coil, is provided inside the first duct, and heats the drum; a first fan supplying outside air to the inside of the first duct; and a second duct having an inlet connected to the first duct, extending from the first duct along a radially inward direction of the drum, and having an outlet connected to an outer circumferential surface of the extension part. The outlet of the second duct may have a smaller area than the area of the inlet.

公开(公告)号：US20220220653A1

公开(公告)日：2022-07-14

申请号：US17580070

申请日：2022-01-20

Applicant: LG Electronics Inc.

Inventor： Jaehyuk JANG ,  Beomjun KIM ,  Sangwook HONG

IPC: D06F34/10 ,  D06F34/24 ,  D06F37/42 ,  D06F39/04

Abstract: A laundry treating apparatus includes a tub, a drum for receiving an object therein, an induction heater for heating an outer circumferential face of the drum, a motor for rotating the drum, and a power supply for supplying power from an external power source to the laundry treating apparatus, a relay for interrupting current to be applied from the power supply to the induction heater via an electrical wire, a processor connected to the relay via a control wire and configured to control an operation of the relay and to control an operation of the induction heater and an operation of the motor, and a first safety device disposed at the control wire to interrupt a control signal to be applied from the processor to the relay. The first safety device operates in response to a temperature change thereof.

公开(公告)号：US20200208327A1

公开(公告)日：2020-07-02

申请号：US16727528

申请日：2019-12-26

Applicant: LG Electronics Inc.

Inventor： Sangwook HONG ,  Woore KIM ,  Beomjun KIM ,  Hyunwoo NOH

IPC: D06F39/00 ,  D06F39/04 ,  D06F39/08 ,  D06F37/30

Abstract: Disclosed herein is a laundry machine. More particularly, a laundry machine for generating steam by an induction heater and a control method thereof are disclosed. According to an embodiment of the present disclosure, provided is a method of controlling a laundry machine including a tub, a drum rotatably arranged in the tub to accommodate an object and provided with a through hole on an outer circumferential surface thereof, and an induction heater provided to the tub, and configured to perform a steam operation. The steam operation may include heating a heating surface of the drum facing the induction heater by driving the induction heater, spraying, through a spray nozzle, water toward the heating surface heated in the heating operation, and rotating the drum such that the steam is introduced into the drum through the through hole in a space between the tub and the drum.

公开(公告)号：US20190249355A1

公开(公告)日：2019-08-15

申请号：US16273651

申请日：2019-02-12

Applicant: LG Electronics Inc.

Inventor： Bio PARK ,  Beomjun KIM ,  Sangwook HONG

IPC: D06F58/26 ,  D06F25/00 ,  D06F39/04 ,  D06F58/22 ,  D06F58/24 ,  D06F58/28 ,  D06F58/20

CPC classification number: D06F58/263 ,  D06F25/00 ,  D06F39/04 ,  D06F58/02 ,  D06F58/04 ,  D06F58/206 ,  D06F58/22 ,  D06F58/24 ,  D06F58/26 ,  D06F58/28 ,  D06F2058/2829 ,  D06F2058/2841 ,  D06F2232/10

Abstract: A laundry treating apparatus include: a cabinet; a tub disposed in the cabinet; a drum rotatably disposed in the tub, and having a cylindrical portion formed of a ferromagnetic material and a rear wall portion for closing an open rear end of the cylindrical portion, wherein the cylindrical portion has a plurality of through-holes formed therein and allows laundry to be loaded thereinto through an opening portion formed on a front surface; an induction heater disposed in the tub and configured to heat the drum by inducing an eddy current in the cylindrical portion; a duct disposed on an outer side of the tub, having an inlet communicating with an open front surface of the cylindrical portion, and an outlet communicating with the tub through a side surface of the tub surrounding the cylindrical portion; and an air blower configured to suction air, discharged from the drum, into the inlet.

公开(公告)号：US20190186068A1

公开(公告)日：2019-06-20

申请号：US16328100

申请日：2017-08-25

Applicant: LG Electronics Inc.

Inventor： Beomjun KIM ,  Woore KIM ,  Bio PARK ,  Seulgi PARK ,  Jaehyuk JANG ,  Sangwook HONG ,  Changoh KIM ,  Hyunwoo NOH

IPC: D06F39/04 ,  D06F37/04 ,  D06F33/02 ,  D06F21/04 ,  D06F39/08

CPC classification number: D06F39/04 ,  D06F21/04 ,  D06F33/02 ,  D06F37/04 ,  D06F37/06 ,  D06F37/22 ,  D06F37/42 ,  D06F39/00 ,  D06F39/045 ,  D06F39/08 ,  D06F39/088 ,  D06F58/04 ,  D06F58/10 ,  D06F58/26 ,  D06F58/28 ,  D06F2202/04 ,  D06F2204/04

Abstract: The present invention relates to a clothes treatment apparatus and, more particularly, to a clothes treatment apparatus for directly heating a drum accommodating clothes. According to an embodiment of the present disclosure, provided is a clothes treatment apparatus comprising: a tub; a drum, made of a metal, which accommodates clothes and is rotatably provided inside the tub; and an induction module, provided in the tub so as to have a spacing from a circumferential surface of the drum, for generating an electromagnetic field to heat the circumferential surface of the drum, wherein the induction module comprises: a coil which is formed by winding a wire such that electric current is applied thereto to generate a magnetic field; and a base housing mounted on an outer circumferential surface of the tub, wherein the base housing is provided with a coil slot for defining the shape of the coil in such a manner that the wire is mounted therein so as to have a predetermined distance between wire and wire.