公开(公告)号：US11490776B2

公开(公告)日：2022-11-08

申请号：US16963022

申请日：2019-01-18

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Jang ,  Sungho Yoon

IPC: A47L11/40 ,  A47L11/283

Abstract: Disclosed is a cleaner capable of autonomously traveling while performing a mopping task, the cleaner including: a body which defines an exterior appearance of the cleaner; at least one mop module which has at least one mop provided in contact with a floor, and which supports the body against the floor; and a tilt information acquisition unit configured to acquire tilt information of the body in relation to the floor. At least one specific part may comprise the at least one mop, may be a whole or part of the at least one mop module, and may be defined such that the at least one specific part is provided detachable from other parts of the cleaner except for the at least one specific part and that the body tilts in relation to the floor due to gravity while the at least one specific part is separated from the other parts. The cleaner may further comprises a controller which is configured to: based on at least the tilt information, determine satisfaction or unsatisfaction of a predetermined separated condition that is preset to be satisfied when the specific part is separated from the other parts; and, when the detachments condition is satisfied, control a predetermined mop separation error response operation.

公开(公告)号：US11051671B2

公开(公告)日：2021-07-06

申请号：US16333138

申请日：2017-07-14

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Jang ,  Jeongseop Park ,  Youngkouk Song

IPC: A47L11/14 ,  A47L11/16 ,  A47L11/162 ,  A47L11/283 ,  A47L11/293 ,  A47L11/40 ,  A47L11/282 ,  B08B3/04 ,  B08B3/08 ,  A47L11/292 ,  A47L11/34 ,  B25J9/16 ,  B25J11/00 ,  G05D1/02 ,  A47L9/00 ,  A47L9/06 ,  A47L11/20 ,  B25J5/00 ,  B25J9/00 ,  B25J9/12 ,  A47L13/20 ,  B08B1/04 ,  A47L9/28 ,  A47L11/24

Abstract: A cleaner includes a body forming an external appearance, a rotating plate provided at a lower side of the body, a mop unit coupled to a lower side of the rotating plate so as to be in contact with a floor, a spin shaft connected to an upper side of the rotating plate so as to rotate the rotating plate, a water supply reservoir configured to surround a periphery of the spin shaft and spaced apart from the spin shaft so as to define a water supply space, and a water supply module configured to supply water to the water supply space. The rotating plate forms a water supply hole configured to interconnect the water supply space and the lower side of the rotating plate.

公开(公告)号：US10758103B2

公开(公告)日：2020-09-01

申请号：US16057394

申请日：2018-08-07

Applicant: LG ELECTRONICS INC.

Inventor： Jeongseop Park ,  Sungho Yoon ,  Jaewon Jang

IPC: A47L11/40 ,  A47L11/282 ,  A47L11/30 ,  A47L11/16 ,  A47L9/28

Abstract: The present application relates to a robot cleaner. The robot cleaner of the present application includes: a main body which forms an external shape; a water tank which stores water; a rotation mop which is in contact with a floor while rotating and moves the main body; a drive motor which rotates the rotation mop; a motion detection unit which measures a reference motion of the main body when the rotation mop rotates; and a controller which measures a slip rate based on an actual speed of the main body measured by the motion detection unit in the reference motion and an ideal speed of the main body estimated according to driving of the drive motor, and controls an amount of water supplied to the rotation mop.

公开(公告)号：US09775476B2

公开(公告)日：2017-10-03

申请号：US13924076

申请日：2013-06-21

Applicant: LG Electronics Inc.

Inventor： Jaewon Jang ,  Sungil Park ,  Hwang Kim

IPC: A47L9/28 ,  A47L9/00

CPC classification number: A47L9/009 ,  A47L2201/04

Abstract: A robot cleaner and a method for controlling the same are disclosed. The robot cleaner includes a body provided with a suction portion and a slope formed to be inclined at a lower end thereof, an auxiliary front wheel disposed at a rear side of the slope, a main wheel disposed at a rear side of the auxiliary front wheel and arranged such that a height of the main wheel is variable with respect to the body, and a driving unit to lower or raise the main wheel with respect to the body, wherein the driving unit lowers the main wheel when the auxiliary front wheel enters a stepped portion. The robot cleaner is capable of climbing up a higher stepped portion than in conventional cases.

公开(公告)号：US09750381B2

公开(公告)日：2017-09-05

申请号：US13900194

申请日：2013-05-22

Applicant: LG Electronics Inc.

Inventor： Jongsu Kim ,  Dongmyung Shin ,  Jaewon Jang

IPC: A47L9/22 ,  A47L11/18 ,  A47L11/20

CPC classification number: A47L9/22 ,  A47L11/18 ,  A47L11/20 ,  A47L2201/00

Abstract: Disclosed is a robot cleaner. The robot cleaner includes a case forming the external appearance of the robot cleaner, an agitator rotating and contacting a surface to be cleaned, a dust collector in which foreign substances are collected and a suction unit providing suction force to the dust collector, and the agitator is arranged between the dust collector and the suction unit. Therefore, the robot cleaner reduces loss of suction force generated from the suction unit.

公开(公告)号：US12185887B2

公开(公告)日：2025-01-07

申请号：US17636106

申请日：2020-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Jang ,  Yeongjae Lee ,  Youngbin Kim

IPC: A47L11/40 ,  A47L11/282 ,  G05D1/00

Abstract: Disclosed is a robot cleaner including: a main body forming an outer shape; a pair of rotary mops moving the main body while rotating in contact with a floor; a drive motor rotating the pair of rotary mops; a pump connected to a water tank and driving a nozzle for spraying water to the rotary mop; and a controller for determining water content of the rotary mop in a preliminary step before wet cleaning, and controlling to start the wet cleaning after driving the pump until the water content of the rotary mop satisfy a certain level. Accordingly, it is possible to detect a change in the output current of the motor of the rotary mop of the robot cleaner and determine the water content according to the change in the current value.

公开(公告)号：US11910991B2

公开(公告)日：2024-02-27

申请号：US16943050

申请日：2020-07-30

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Jang ,  Jihyun Lim ,  Youngbin Kim ,  Jinho Chung

IPC: H01M10/46 ,  A47L9/28 ,  A47L9/00 ,  A47L11/282 ,  A47L11/40 ,  H02J7/00

CPC classification number: A47L9/2873 ,  A47L9/009 ,  A47L9/0063 ,  A47L11/282 ,  A47L11/4005 ,  A47L11/4038 ,  A47L11/4072 ,  A47L11/4091 ,  H02J7/0045 ,  A47L2201/022

Abstract: The present disclosure relates to a charging apparatus for a mobile robot, including a caster guide for guiding a charging terminal, provided for the charging apparatus, and a corresponding terminal, corresponding to the charging terminal, to readily come into contact with each other, in which by determining a contact position of the two terminals in a longitudinal direction using a first guide surface to a third guide surface, and by determining a contact position of the two terminals in a traverse direction using a caster guide having a wide rear portion and a narrow front portion, the charging apparatus for the mobile robot may guide the two terminals to vertically overlap with each other.

公开(公告)号：US11771285B2

公开(公告)日：2023-10-03

申请号：US16943262

申请日：2020-07-30

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Jang ,  Youngbin Kim ,  Yeongjae Lee

IPC: A47L11/293 ,  A47L11/24 ,  A47L11/40 ,  B25J11/00

CPC classification number: A47L11/293 ,  A47L11/24 ,  A47L11/4005 ,  A47L11/4016 ,  A47L11/4038 ,  A47L11/4041 ,  A47L11/4069 ,  A47L11/4072 ,  A47L11/4083 ,  B25J11/0085

Abstract: A center of gravity of a mobile cleaning robot may be positioned on an imaginary central longitudinal axis of the mobile robot. The center of gravity of the mobile robot may be positioned at a front side of an imaginary central horizontal line connecting spin rotation axes of left and right spin mops of the mobile robot. The center of gravity of the mobile robot may also be positioned at a front side of a center of gravity of a battery and a center of gravity of a water tank, and at a rear side of a center of gravity of a sweep module of the mobile robot.

公开(公告)号：US11622661B2

公开(公告)日：2023-04-11

申请号：US17207371

申请日：2021-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon Jang ,  Minwoo Lee

IPC: A47L11/282 ,  A47L11/40 ,  A47L11/24 ,  A47L11/283

Abstract: A robot cleaner includes a main body which forms an external shape; two or more spin mops which rotate in a clockwise or counterclockwise direction when viewed from above and mop a floor with a damp cloth, and move the main body; and a cleaning module which is positioned in front of the spin mops and collects foreign substance existing on a cleaning target surface, wherein the cleaning module includes: a housing which is coupled to the main body and opened at a lower side; a dust container which forms a space for accommodating foreign substance and is positioned to be detachable in a lower side direction of the housing; and an agitator which is positioned inside the housing, and sends foreign substance existing on the cleaning target surface to the dust container by a rotation operation.

公开(公告)号：US11596285B2

公开(公告)日：2023-03-07

申请号：US16943090

申请日：2020-07-30

Applicant: LG ELECTRONICS INC.

Inventor： Youngbin Kim ,  Jaewon Jang

IPC: A47L11/40 ,  A47L11/282 ,  A47L11/24

Abstract: A mobile robot includes a body and a rotating plate rotatably installed on the body. A mop portion is attached to a lower surface of the rotating plate. And, a rotating ball that is vertically aligned with a rotating shaft of the rotating plate is rotatably installed on the rotating plate.