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公开(公告)号：US10258212B2
公开(公告)日：2019-04-16
申请号：US15598781
申请日：2017-05-18
Applicant: LG ELECTRONICS INC.
Inventor： Bohyun Nam , Inbo Shim , Jihoon Sung , Sojin Park , Seunghyun Song , Sangkyu Lee , Changhwa Sun , Sangjo Kim
Abstract: A cleaner includes: a cleaner body having therein a module mounting portion; a rotation driving portion provided at one side of the module mounting portion; and a cleaning module detachably mounted to the module mounting portion through one side of the cleaner body, wherein the cleaning module includes: a holder linearly inserted into or withdrawn from the module mounting portion in a side direction of the cleaner body; and a cleaning member supported by the holder so as to be inserted or withdrawn into or from the module mounting portion, together with the holder when the holder is inserted thereinto or withdrawn therefrom, and the cleaning member rotated by a driving force provided from the rotation driving portion.
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公开(公告)号：US11457782B2
公开(公告)日：2022-10-04
申请号：US16259316
申请日：2019-01-28
Applicant: LG Electronics Inc.
Inventor： Changhwa Sun , Sangjo Kim
Abstract: A robot cleaner includes a body configured to house a suction motor, a nozzle coupled to the body and including a suction port, and a movable unit coupled to the nozzle in front of the suction port. The movable unit is movable between a first position where the movable unit overlaps with the nozzle and a second position where the movable unit protrudes forward from the nozzle.
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公开(公告)号：US10571928B2
公开(公告)日：2020-02-25
申请号：US16456505
申请日：2019-06-28
Applicant: LG ELECTRONICS INC.
Inventor： Changhwa Sun , Kyuchun Choi
Abstract: A moving robot is provided. The moving robot includes a body, first and second driving wheels configured to move the body, first and second caster wheels installed movably, first and second sensors configured to respectively detect a rotation angle of the first caster wheel and a rotation angle of the second caster wheel with respect to a predetermined direction axis, and a controller configured to control driving of a driving wheel according to the rotation angles. The controller calculates an average rotation angle by using the rotation angles detected by the first and second sensors and controls driving of the driving wheel by using the calculated average rotation angle.
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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
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.
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公开(公告)号：US10548444B2
公开(公告)日：2020-02-04
申请号：US15854454
申请日：2017-12-26
Applicant: LG ELECTRONICS INC.
Inventor： Changhwa Sun , Sangjo Kim
Abstract: A robot cleaner includes: a base body forming a bottom part of a cleaner body; a first wheel module and a second wheel module installed to be spaced apart from each other, and configured to moveably support the base body; a suction motor module and a battery module provided between the first and second wheel modules; and a suction nozzle module provided at a front side of the suction motor module and the battery module, and configured to suck air of a region to be cleaned, wherein a plurality of module accommodation portions which are open towards a lower side of the robot cleaner are formed at the base body, and wherein the first wheel module, the second wheel module, the suction motor module, the battery module, and the suction nozzle module are inserted into the module accommodation portions, respectively, in parallel to each other.
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Patent Agency Ranking
公开(公告)号：US10372140B2
公开(公告)日：2019-08-06
申请号：US15493365
申请日：2017-04-21
Applicant: LG ELECTRONICS INC.
Inventor： Changhwa Sun , Kyuchun Choi
Abstract: A moving robot is provided. The moving robot includes a body, first and second driving wheels configured to move the body, first and second caster wheels installed movably, first and second sensors configured to respectively detect a rotation angle of the first caster wheel and a rotation angle of the second caster wheel with respect to a predetermined direction axis, and a controller configured to control driving of a driving wheel according to the rotation angles. The controller calculates an average rotation angle by using the rotation angles detected by the first and second sensors and controls driving of the driving wheel by using the calculated average rotation angle.
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公开(公告)号：US11253122B2
公开(公告)日：2022-02-22
申请号：US16256067
申请日：2019-01-24
Applicant: LG Electronics Inc.
Inventor： Changhwa Sun , Sangjo Kim
IPC: A47L9/04
Abstract: A suction nozzle includes a nozzle body including a suction port. The suction nozzle also includes a rotary cleaning unit rotatably mounted in the nozzle body and having a cleaning element for cleaning a floor. Additionally, the suction nozzle includes an anti-winder mounted on the nozzle body and having a plurality of contact parts that overlap a side end of the cleaning element along at least a portion of a rotational path followed by the cleaning element of the rotary cleaning unit when the rotary cleaning unit is rotated.
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公开(公告)号：US10568482B2
公开(公告)日：2020-02-25
申请号：US15856213
申请日：2017-12-28
Applicant: LG ELECTRONICS INC.
Inventor： Changhwa Sun , Sangjo Kim
Abstract: Disclosed is a cleaner having a structure that a supporting member and a cleaning module are coupled to or separated from a cleaner body. The cleaner includes a cleaner body having a module mounting portion; a supporting member inserted and mounted to the module mounting portion, and separated and withdrawn from the module mounting portion, through a bottom part of the cleaner body; and a cleaning module coupled to the supporting member so as to be inserted or withdrawn together with the supporting member when the supporting member is inserted or withdrawn.
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公开(公告)号：US10463212B2
公开(公告)日：2019-11-05
申请号：US15599829
申请日：2017-05-19
Applicant: LG ELECTRONICS INC.
Inventor： Bohyun Nam , Inbo Shim , Jihoon Sung , Sojin Park , Seunghyun Song , Sangkyu Lee , Woochan Jun , Changhwa Sun , Hyungkyu Youk , Sangjo Kim
IPC: A47L9/00 , A47L5/22 , A47L9/04 , A47L9/12 , A47L9/16 , A47L9/28 , A47L9/30 , G05D1/00 , G05D1/02
Abstract: A robot cleaner comprising: a first housing including a controller and a driving wheel of which driving is controlled by the controller; a second housing provided at one side of the first housing, the second housing having a brush module or mop module mounted thereto; a front bumper provided at a front portion of the second housing, the front bumper configured to be movable to the inside of the second housing when the front bumper is in contact with an obstacle; at least one sensing means provided at the inside of the front bumper to sense a movement of the front bumper to the inside of the second housing; side bumpers respectively provided at left and right side portions of the second housing, the side bumpers each being configured to movable to the inside of the second housing when the side bumper is in contact with an obstacle; and a link member provided at the inside of the side bumper to allow the side bumper and the front bumper to interlock with each other such that, when the side bumper is moved to the inside of the second housing, at least one portion of the front bumper is moved together with the side bumper to the inside of the second housing.
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公开(公告)号：US10150216B2
公开(公告)日：2018-12-11
申请号：US14196294
申请日：2014-03-04
Applicant: LG Electronics Inc.
Inventor： Changhwa Sun , Dongmyung Shin , Sungjin Cho
Abstract: A robot cleaner is disclosed. The robot cleaner includes a cleaner body, a position sensor disposed in the cleaner body, the position sensor including a light transmission unit to emit light and a light reception unit to receive light reflected or scattered from an obstacle after being emitted from the light transmission unit, and a transparent member to transmit the light emitted from the light transmission unit and the light to be received by the light reception unit.
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