公开(公告)号：US10398272B2

公开(公告)日：2019-09-03

申请号：US15583471

申请日：2017-05-01

Applicant: LG ELECTRONICS INC.

Inventor： Kietak Hyun ,  Jungmin Ko ,  Soohan Eo ,  Sangchul Lee

IPC: B01D45/12 ,  B01D45/16 ,  A47L9/16 ,  A47L5/36 ,  A47L9/10 ,  A47L9/12 ,  A47L9/20 ,  B01D45/14 ,  B01D46/00 ,  B01D50/00

Abstract: A vacuum cleaner, including a cleaner body; and a dust collector provided in the cleaner body, wherein the dust collector includes a first cyclone provided within an outer case to filter foreign matter and dust from air introduced into the dust collector; a second cyclone accommodated within the first cyclone to separate fine dust from the air introduced into the first cyclone; and a screw surrounding part of the first cyclone, and configured to be rotatable in at least one direction with respect to the first cyclone, wherein the screw includes a pillar that spans a height of the mesh filter; and a scraper provided on an inner surface of the pillar facing an outer surface of the mesh filter, and configured to sweep off dust and foreign matter accumulated on the mesh filter during the rotation of the screw.

公开(公告)号：US10314448B2

公开(公告)日：2019-06-11

申请号：US15445018

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu Son ,  Bohyun Nam ,  Jaeyong Park ,  Sehwan Bae ,  Jonghyun Seo ,  Jinwoo Lee ,  Sangchul Lee ,  Kietak Hyun ,  Jungmin Ko ,  Suhan Eo

IPC: A47L5/36 ,  A47L9/12 ,  A47L9/24 ,  A47L9/00 ,  A47L9/10 ,  A47L9/28

Abstract: Provided is a vacuum cleaner including a cleaner body; a moving wheel provided at each of both side surfaces of the cleaner body, rotated for travelling of the vacuum cleaner and configured to support the cleaner body to be rotatable in normal and reverse directions; a wheel motor assembly connected to the moving wheel and configured to rotate the moving wheel for the travelling of the vacuum cleaner; a main motor provided inside the cleaner body, located at a rear side further than a vertical extension line of a rotating center of the moving wheel and driven to suction dust; and a battery provided inside the cleaner body, located at the rear side further than the vertical extension line of the rotating center of the moving wheel and configured to provide electric power to the main motor and the wheel motor assembly, wherein a center of gravity of the cleaner body is located at a rear of the vertical extension line of the rotating center of the moving wheel due to an arrangement of the main motor and the battery.

公开(公告)号：US10299647B2

公开(公告)日：2019-05-28

申请号：US15583394

申请日：2017-05-01

Applicant: LG ELECTRONICS INC.

Inventor： Kietak Hyun ,  Jungmin Ko ,  Soohan Eo ,  Sangchul Lee

IPC: B01D45/12 ,  A47L9/16 ,  A47L5/36 ,  B01D45/16 ,  B01D46/24 ,  B01D50/00 ,  A47L9/10

Abstract: A vacuum cleaner including a cleaner body; and a dust collector provided in the cleaner body, wherein the dust collector includes a first cyclone provided within an outer case to filter foreign matter and dust from air introduced into the dust collector; a second cyclone accommodated within the first cyclone to separate fine dust from the air introduced into the first cyclone; and a rotatable shell provided at a lower side of and surrounding the first cyclone so as to define a first storage section configured to collect foreign matter and dust filtered by the first cyclone between the rotatable shell and the outer case, wherein the rotatable shell includes a skirt having a plurality of steps arranged along a circumference of the rotatable shell.

公开(公告)号：US11523721B2

公开(公告)日：2022-12-13

申请号：US17276122

申请日：2019-09-16

Applicant: LG Electronics Inc.

Inventor： Youngjoo Lee ,  Jungmin Ko ,  Soohan Eo ,  Kietak Hyun ,  Inkyu Hwang ,  Sangchul Lee ,  Jonguk Her

IPC: A47L9/10 ,  A47L9/16 ,  A47L9/32 ,  A47L5/24 ,  A47L9/12

Abstract: A vacuum cleaner including: a suctioning unit; a main body including a cyclone part for separating dust from suctioned air and a dust container for storing the separated dust, and a body cover for opening and closing the lower side of the body; a filter unit, disposed in the body, for filtering air separated from the dust; an actuating unit capable of moving in the body between the outside of the filter unit and the inner circumference surface of the body; an operating unit disposed outside the body which operates in order to move the actuating unit; a transmission unit penetrating the body and connecting the actuating unit with the operating unit; and an elastic member disposed outside the body which elastically supports the operating unit.

公开(公告)号：US11071426B2

公开(公告)日：2021-07-27

申请号：US16279546

申请日：2019-02-19

Applicant: LG ELECTRONICS INC.

Inventor： Kietak Hyun ,  Youngjoo Lee ,  Soohan Eo ,  Jungmin Ko

IPC: A47L9/10 ,  A47L5/24 ,  A47L9/16

Abstract: A cleaner includes: at least one cyclone configured to separate dust from suctioned air; a dust container configured to store the dust separated by the at least one cyclone; a dust compressor provided inside the dust container; and a lifter configured to move the dust compressor upward and downward.

公开(公告)号：US10376116B2

公开(公告)日：2019-08-13

申请号：US15790372

申请日：2017-10-23

Applicant: LG ELECTRONICS INC.

Inventor： Kietak Hyun ,  Jungmin Ko ,  Soohan Eo

IPC: B01D41/00 ,  A47L9/20 ,  A47L9/16 ,  A47L5/36 ,  A47L9/12 ,  A47L9/10 ,  B01D45/16 ,  B01D46/00 ,  B01D46/10 ,  B01D50/00 ,  B01D45/12

Abstract: The present disclosure relates to a vacuum cleaner for separating and collecting dust and other contaminants by using a multi-cyclone and a mesh filter, including a cleaning unit for sweeping dust and foreign materials attached to the mesh filter along an outer circumferential surface of the mesh filter, and a rotation unit coupled to the cleaning unit for rotating the cleaning unit relative to the mesh filter, whereby the cleaning unit can clean a surface of the filter automatically or manually during an operation of the cleaner, so that the filter surface can be kept clean, and a load on a fan unit caused due to foreign materials or dust can be reduced.

公开(公告)号：US10271702B2

公开(公告)日：2019-04-30

申请号：US15583269

申请日：2017-05-01

Applicant: LG ELECTRONICS INC.

Inventor： Kietak Hyun ,  Jungmin Ko ,  Soohan Eo ,  Sangchul Lee

IPC: B01D45/12 ,  A47L9/16 ,  A47L5/36 ,  B01D45/14 ,  B01D45/16 ,  B01D50/00 ,  A47L9/10

Abstract: A vacuum cleaner, including a cleaner body; and a dust collector provided in the cleaner body, wherein the dust collector includes a first cyclone provided within an outer case to filter foreign matter and dust from air introduced into the dust collector; a second cyclone accommodated within the first cyclone to separate fine dust from the air introduced into the first cyclone; and a rotatable shell provided at a lower side of the first cyclone so as to define a first storage section configured to collect foreign matter and dust filtered by the first cyclone between the rotatable shell and the outer case, and wherein the rotatable shell includes a roller facing a lower cover that covers a lower opening of the outer case, the other configured to contact the foreign matter and dust collected in the first storage section during the rotation of the rotatable shell.

公开(公告)号：US20190091701A1

公开(公告)日：2019-03-28

申请号：US15940373

申请日：2018-03-29

Applicant: LG ELECTRONICS INC.

Inventor： Kietak HYUN ,  Jungmin Ko ,  Sangchul Lee

IPC: B04C5/26 ,  A47L9/16 ,  B04C5/06 ,  B04C5/13 ,  B04C5/185 ,  B04C5/28 ,  B01D45/16

Abstract: A dust collector includes a cylindrical housing forming an outer appearance of the dust collector; a primary cyclone formed inside the housing to cause a swirling flow to separate dust from air introduced into the housing; a secondary cyclone formed with axial inlet type cyclones to receive air and fine dust that have passed through the cyclone, and cause a swirling flow to separate the fine dust from the air; and a mesh provided at an outside surface the secondary cyclone to form a boundary between the primary and the secondary cyclones, wherein the axial inlet type cyclones includes a first group stacked in multiple stages, an inlet of which is arranged toward the mesh; and a second group provided on one side and the other side of the first group, respectively, an inlet and an outlet of which face a height direction of the dust collector.

公开(公告)号：US20240197126A1

公开(公告)日：2024-06-20

申请号：US18590462

申请日：2024-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Youngjoo Lee ,  Jungmin Ko ,  Soohan Eo ,  Kietak Hyun ,  Inkyu Hwang

IPC: A47L9/10 ,  A47L5/24 ,  A47L5/28 ,  A47L9/12 ,  A47L9/16 ,  A47L9/20 ,  A47L9/22 ,  A47L9/28 ,  A47L9/32 ,  B01D45/16 ,  B01D46/00 ,  B01D46/24 ,  B01D50/20 ,  B04C5/185 ,  B04C5/26 ,  B04C9/00

CPC classification number: A47L9/108 ,  A47L5/28 ,  A47L9/12 ,  A47L9/127 ,  A47L9/1616 ,  A47L9/165 ,  A47L9/1658 ,  A47L9/1683 ,  A47L9/1691 ,  A47L9/20 ,  A47L9/22 ,  A47L9/2884 ,  A47L9/322 ,  B01D45/16 ,  B01D46/0041 ,  B01D46/2403 ,  B01D50/20 ,  B04C5/185 ,  B04C5/26 ,  B04C9/00 ,  A47L5/24 ,  B01D2279/55 ,  B04C2009/004

Abstract: A cleaner includes a suction unit, a main body including a cyclone unit for separating dust from air suctioned through the suction unit, and a dust container that stores dust separated in the cyclone unit below the cyclone unit. A filter unit is disposed inside the cyclone unit for filtering the air, and a movable unit disposed inside the cyclone unit includes a cleaning part for cleaning the outer circumference of the filter unit. An operation unit disposed outside the main body moves the movable unit and the cleaning part to remove dust from the outer surface of the filter unit.

公开(公告)号：US11638512B2

公开(公告)日：2023-05-02

申请号：US16939595

申请日：2020-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Changhwa Sun ,  Jungmin Ko ,  Jihyun Lim

IPC: A47L11/30 ,  A47L11/40 ,  A47L9/16

Abstract: A robot cleaner is provided, including a main body forming a robot cleaner exterior, a driver coupled to the main body to move the main body, a cleaning module coupled to the main body to suck dust from a traveling surface, a dust collector removing dust from air suctioned through the cleaning module, and a wet-mop module coupled to the main body to mop the traveling surface, wherein the wet-mop module includes a wet-mop module housing surrounding at least a portion of the main body and accommodating water in an internal space, a wet-mop module wheel disposed in the wet-mop module housing, a mop disposed between the wet-mop module housing and the traveling surface, and a wet-mop pump connected to the wet-mop module wheel to supply water to the mop in response to rotation of the wet-mop module wheel. Mopping may be performed without applying physical force of a person.