公开(公告)号：US11510535B2

公开(公告)日：2022-11-29

申请号：US16659816

申请日：2019-10-22

Applicant: LG Electronics Inc.

Inventor： Seungjin Lee ,  Hwang Kim ,  Sangik Lee ,  Seaunglok Ham

IPC: A47L9/00 ,  A47L11/40 ,  A47L9/28

Abstract: A robot cleaner includes a main body, and a wheel unit including a wheel configured to movably support the main body. The wheel unit is installed in a suspension unit and configured to be movable upward or downward. The suspension unit is configured to absorb impact when the wheel unit moves upward or downward, and is installed in a lifting unit coupled to the main body. The suspension unit is configured to be raised or lowered relative to the lifting unit. The lifting unit includes a lifting drive motor including a rotatable shaft disposed in parallel with a direction in which the suspension unit is configured to be raised or lowered, and a transmission unit configured to transmit a rotation force of the lifting drive motor to the suspension unit.

公开(公告)号：US10427291B2

公开(公告)日：2019-10-01

申请号：US16238796

申请日：2019-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Hwang Kim ,  Sungil Park ,  Soohyun Kim ,  Byungho Yoon ,  Sanghoon Han ,  Youngjun Jeon

IPC: B25J5/00 ,  A47L11/40 ,  B25J11/00 ,  B62D55/075 ,  B62D57/024

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.

公开(公告)号：US10300596B2

公开(公告)日：2019-05-28

申请号：US15436189

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Hwang Kim ,  Sungil Park ,  Soohyun Kim ,  Byungho Yoon ,  Sanghoon Han ,  Youngjun Jeon

IPC: B25J5/00 ,  A47L11/40 ,  B25J11/00 ,  B62D55/075 ,  B62D57/024

Abstract: A moving robot includes a main body, a drive assembly moving the main body, and a cleaner head performing cleaning on a cleaning area in which the main body is positioned, wherein the drive assembly includes a plurality of pulleys, a motor connected to any one of the plurality of pulleys and generating a driving force, a belt rotated in contact with the plurality of pulleys, and a support shaft connected to some of the plurality of pulleys and changing a position of the pulley such that an area in which the belt is in contact with a ground or an obstacle is maintained to be equal to or greater than a reference area.

公开(公告)号：US09895038B2

公开(公告)日：2018-02-20

申请号：US14575270

申请日：2014-12-18

Applicant: LG Electronics Inc.

Inventor： Jihwan Kim ,  Seaunglok Ham ,  Jongjin Woo ,  Hwang Kim

IPC: A47L9/00 ,  B60B9/00 ,  B60B11/00 ,  B25F5/00 ,  B60B19/02 ,  B60B19/04 ,  B08B13/00 ,  A47L11/40 ,  B60B15/02 ,  B60B9/06 ,  B60B9/10

CPC classification number: A47L9/009 ,  A47L11/4072 ,  A47L2201/00 ,  B08B13/00 ,  B25F5/00 ,  B60B9/06 ,  B60B9/10 ,  B60B11/00 ,  B60B15/021 ,  B60B19/02 ,  B60B19/04 ,  B60B2200/49 ,  B60B2900/351

Abstract: An automatic cleaner is provided. The automatic cleaner may include a main body, and a wheel assembly disposed in the main body to allow the main body to move. The wheel assembly may include a drive, a first wheel rotated by a power of the drive, and a second wheel rotated by the power of the drive. The second wheel may include a plurality of contact protrusions on an outer circumferential surface thereof.

公开(公告)号：US09687129B2

公开(公告)日：2017-06-27

申请号：US14955940

申请日：2015-12-01

Applicant: LG ELECTRONICS INC.

Inventor： Hwang Kim ,  Jongsu Kim ,  Sungil Park

IPC: A47L9/10 ,  A47L9/16 ,  B01D45/16 ,  A47L11/40

CPC classification number: A47L9/1683 ,  A47L9/108 ,  A47L9/16 ,  A47L11/4063 ,  A47L2201/00 ,  A47L2201/04 ,  B01D45/16

Abstract: A robot cleaner includes: a suction module configured to suck dust-included air; a cyclone module configured to separate dust from the dust-included air sucked through the suction module, and having a dust discharge opening; a first air flow guide and a second air flow guide spaced apart from each other, and connecting the suction unit to the cyclone unit; a dust box detachably coupled to the dust discharge opening of the cyclone module, and provided between the first and second air flow guides; a drive module provided between the first and second air flow guides; and a dust compressor provided in the dust box, and mechanically coupled to the drive module when the dust box is mounted to the cyclone module, and formed to be rotatable bi-directionally based on a driving force from the drive module such that dust collected in the dust box is pressed to have a deceased volume.

公开(公告)号：US09622633B2

公开(公告)日：2017-04-18

申请号：US14952760

申请日：2015-11-25

Applicant: LG ELECTRONICS INC.

Inventor： Jongsu Kim ,  Hwang Kim ,  Sungil Park

IPC: A47L9/10 ,  A47L9/28 ,  A47L9/00 ,  A47L9/22 ,  A47L5/22 ,  A47L9/16

CPC classification number: A47L9/2852 ,  A47L5/22 ,  A47L9/0081 ,  A47L9/009 ,  A47L9/16 ,  A47L9/1608 ,  A47L9/1616 ,  A47L9/1625 ,  A47L9/1633 ,  A47L9/1641 ,  A47L9/22 ,  A47L2201/00 ,  A47L2201/04

Abstract: A cleaner body forms an outer appearance of a robot cleaner. A suction module provided in the cleaner body, and configured to suck dust on a surface to be cleaned. A first guiding member and a second guiding member communicate with the suction module, and spaced apart from each other, and a cyclone unit is configured to separate dust from air sucked through the first and second guiding members, using a centrifugal force. A fan module is connected to the cyclone module, and includes a motor module, and a first fan module and a second fan module connected to two sides of the motor module and configured to generate a suction force. A noise reducing cover is provided over an upper side of the fan module so as to reduce noise, and extends toward two sides of the motor module to cover the first and second fan modules.

公开(公告)号：US11712140B2

公开(公告)日：2023-08-01

申请号：US16985871

申请日：2020-08-05

Applicant: LG ELECTRONICS INC.

Inventor： Hwang Kim

IPC: A47L9/04 ,  A47L9/28 ,  A47L9/00

CPC classification number: A47L9/0494 ,  A47L9/009 ,  A47L9/0477 ,  A47L9/2826 ,  A47L9/2847 ,  A47L9/2852 ,  A47L2201/04 ,  A47L2201/06

Abstract: Provided is a robot cleaner including a main body including a suction portion disposed therein, a main wheel for moving the main body, wherein a vertical level of the main wheel varies in a vertical direction with respect to the main body, an auxiliary wheel disposed at a front portion or a rear portion of the main body, wherein a vertical level of the auxiliary wheel is fixed with respect to the main body, and a driving member assembly disposed in the main body, wherein the driving member assembly varies a vertical level of the main body from a floor face while rotating in forward and rearward directions of the main body, wherein the driving member assembly has different hitting radii when rotating forward and rearward.

公开(公告)号：US10398275B2

公开(公告)日：2019-09-03

申请号：US14720109

申请日：2015-05-22

Applicant: LG ELECTRONICS INC.

Inventor： Hwang Kim ,  Jongsu Kim ,  Sungil Park

IPC: A47L11/00 ,  A47L11/282 ,  A47L9/04

Abstract: A robot cleaner configured to elastically deform a brush part using contact force between bristles and a floor and then restoring the brush part to vibrate the bristles, thereby improving cleaning performance. The robot cleaner includes a case that moves on a floor, a brush shaft mounted to the case such that the brush shaft rotates by driving force from a drive unit, an elastic member fixed to the brush shaft, the elastic member made of an elastic material, and a brush part fixed to the elastic member, the brush part having bristles, wherein the brush part generates generate vibration during deformation and restoration of the elastic member when external force is applied. The elastic member deforms due to contact force between the bristles and the floor and is then restored, and the brush part vibrates during deformation and restoration of the elastic member.

公开(公告)号：US10390669B2

公开(公告)日：2019-08-27

申请号：US15440662

申请日：2017-02-23

Applicant: LG ELECTRONICS INC.

Inventor： Hwang Kim

IPC: A47L9/00 ,  A47L9/28 ,  B60B33/00

Abstract: A robot cleaner includes: a body having a suction port; a plurality of wheels for movement of the body; and a plurality of driving devices configured to drive the plurality of wheels, respectively, wherein each of the plurality of wheels includes an inner wheel and an outer wheel having a thickness that is larger than a thickness of the inner wheel, and each of the inner wheel and the outer wheel includes a plurality of slits.

公开(公告)号：US10117557B2

公开(公告)日：2018-11-06

申请号：US14956205

申请日：2015-12-01

Applicant: LG ELECTRONICS INC.

Inventor： Jihwan Kim ,  Hwang Kim ,  Sungil Park

IPC: A47L11/20 ,  A47L11/40 ,  A47L9/00 ,  A47L9/06

Abstract: A mop module for a robot cleaner may include a module body detachably coupled to a cleaner body; and a mop mounted to the module body, and configured to wipe a floor as the cleaner body moves. The module body may include a hook protruding from the module body, and detachably mounted to the cleaner body by being elastically deflected; and a pressing member installed at the module body so as to be moveable in opposing directions, and configured to elastically deflect the hook.