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：US11039724B2

公开(公告)日：2021-06-22

申请号：US16590995

申请日：2019-10-02

Applicant: LG Electronics Inc.

Inventor： Jungkyu Son ,  Bohyun Nam ,  Jaeyong Park ,  Sehwan Bae ,  Jonghyun Seo ,  Jinwoo Lee ,  Donghoon Kwak ,  Jaehwan Ko

IPC: A47L9/28 ,  A47L9/10 ,  A47L9/16 ,  A47L9/22 ,  A47L9/32 ,  A47L9/00 ,  A47L9/12 ,  A47L5/36 ,  A47L9/24

Abstract: A vacuum cleaner includes a cleaner body, a suction hose mounted at a front surface of the cleaner body to suck in dust, moving wheels provided at both sides of the cleaner body, rotating to move the cleaner body and rotatably supporting the cleaner body, wheel motors connected to the moving wheels and rotating the moving wheels, a detecting unit provided in the cleaner body and sensing inclination of the cleaner body to determine whether the cleaner moves and stops, a plurality of detecting members provided at a front surface of the cleaner body and located at both sides of the suction hose to detect an obstacle, and a controller for controlling the wheel motors according to detected signals of the detecting unit and the obstacle detecting members.

公开(公告)号：US11005281B2

公开(公告)日：2021-05-11

申请号：US16989338

申请日：2020-08-10

Applicant: LG Electronics Inc.

Inventor： Geunyong Jung ,  Seongho Park ,  Sejong Park ,  Jonghyun Seo ,  Jinwoo Lee

IPC: H02J7/00 ,  A47L9/28 ,  H01R13/453 ,  H01R13/70

Abstract: A charging device is provided. The charging device includes an output terminal unit connected to an input terminal unit of a battery pack. The output terminal unit includes a terminal body including an output terminal connected to the input terminal unit and a terminal cover which covers the output terminal before the input terminal unit of the battery pack is connected to the output terminal unit and through which the output terminal passes while the input terminal unit of the battery pack is connected to the output terminal unit.

公开(公告)号：US10945570B2

公开(公告)日：2021-03-16

申请号：US15445418

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu Son ,  Bohyun Nam ,  Jaeyong Park ,  Sehwan Bae ,  Jonghyun Seo ,  Jinwoo Lee

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

Abstract: Provided is a vacuum cleaner including a cleaner body; a dust container installed at the cleaner body and of which at least a part is exposed to an outside through a front surface of the cleaner body; a cover member installed to open and close a part of the cleaner body and configured to selectively accommodate an upper portion of the dust container; a suction hose of which one side is connected to a suction part for suctioning dust and the other side is connected to a front end of the cover member; a grip portion provided at the cover member and operated to open and close the cover member; and a locking assembly provided inside the cover member and disposed at both sides based on the suction part to be restricted in the cleaner body.

公开(公告)号：US10575690B2

公开(公告)日：2020-03-03

申请号：US15445493

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu Son ,  Bohyun Nam ,  Jaeyong Park ,  Sehwan Bae ,  Jonghyun Seo ,  Jinwoo Lee

IPC: A47L5/36 ,  A47L9/32 ,  A47L9/00 ,  A47L9/10 ,  A47L9/12 ,  A47L9/24 ,  A47L9/28

Abstract: Provided is a vacuum cleaner including a cleaner body disposed at a position distant from the ground; moving wheels rotatably installed at both sides of the cleaner body and configured to rotatably support the cleaner body; a dust container installed at a front surface of the cleaner body located at a front of the moving wheels and configured to collect suctioned dust; and a suction hose connected to the front surface of the cleaner body and through which the dust is suctioned, wherein a center of gravity of the cleaner body is located at a rear side further than a vertical extension line of a rotating center of the moving wheels, and a rear end of the cleaner body becomes closer to the ground when travel of the vacuum cleaner is stopped.

公开(公告)号：US10512378B2

公开(公告)日：2019-12-24

申请号：US15445494

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu Son ,  Bohyun Nam ,  Jaeyong Park ,  Sehwan Bae ,  Jonghyun Seo ,  Jinwoo Lee

IPC: A47L5/36 ,  A47L9/12 ,  A47L9/24 ,  A47L9/28 ,  A47L9/00 ,  A47L9/10 ,  A47L9/16 ,  A47L9/22 ,  A47L9/32

Abstract: Provided is a vacuum cleaner including a base configured to form a lower surface of a cleaner body; moving wheels provided at both side surfaces of the cleaner body and rotated for travel of the vacuum cleaner and also configured to support the cleaner body to be rotated in normal and reverse directions; and a dust container installed at a front of the moving wheels and configured to collect suctioned dust, wherein the base includes a center portion; a first half portion configured to extend to be inclined upward from a front end of the center portion; and a second half portion configured to extend to be inclined upward from a rear end of the center portion, and a rotating center of the moving wheels is located between the first half portion and the second half portion.

公开(公告)号：US10357135B2

公开(公告)日：2019-07-23

申请号：US15445325

申请日：2017-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Jungkyu Son ,  Bohyun Nam ,  Jaeyong Park ,  Sehwan Bae ,  Jonghyun Seo ,  Jinwoo Lee

IPC: A47L9/28 ,  A47L9/10 ,  A47L9/24 ,  A47L5/36 ,  A47L9/00 ,  A47L9/12 ,  A47L9/16

Abstract: Provided is a vacuum cleaner including a cleaner body; a cover member provided at an upper portion of the cleaner body to be opened and closed; a suction hose installed at a front surface of the cover member and configured to suction dust; moving wheels provided on both side surfaces of the cleaner body; a wheel motor assembly connected to the moving wheels and configured to rotate the moving wheels for travel; a plurality of obstacle detecting members disposed at one side of a front of the cover member and configured to detect an obstacle located at a front and/or a side of the cleaner body; and a PCB configured to control an operation of the wheel motor assembly according to a detected signal of the obstacle detecting member.

公开(公告)号：US20240180376A1

公开(公告)日：2024-06-06

申请号：US18437798

申请日：2024-02-09

Applicant: LG ELECTRONICS INC.

Inventor： Jinwoo LEE ,  Chungjae Ryu ,  Jonghyun Seo

IPC: A47L9/04 ,  A47L9/28 ,  A47L11/20 ,  A47L11/40

CPC classification number: A47L9/0411 ,  A47L9/28 ,  A47L11/201 ,  A47L11/4083

Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit. The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing. The water tank stores water and supplies the water to the rotary cleaning unit.

公开(公告)号：US11426041B2

公开(公告)日：2022-08-30

申请号：US16524759

申请日：2019-07-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinwoo Lee ,  Chungjae Ryu ,  Jonghyun Seo

IPC: A47L9/04 ,  A47L11/20 ,  A47L9/28 ,  A47L11/40

Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit. The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing. The water tank stores water and supplies the water to the rotary cleaning unit.

公开(公告)号：US10742045B2

公开(公告)日：2020-08-11

申请号：US15585252

申请日：2017-05-03

Applicant: LG ELECTRONICS INC.

Inventor： Geunyong Jung ,  Seongho Park ,  Sejong Park ,  Jonghyun Seo ,  Jinwoo Lee

IPC: H02J7/00 ,  A47L9/28

Abstract: A charging device is provided. The charging device includes an output terminal unit connected to an input terminal unit of a battery pack. The output terminal unit includes a terminal body including an output terminal connected to the input terminal unit and a terminal cover which covers the output terminal before the input terminal unit of the battery pack is connected to the output terminal unit and through which the output terminal passes while the input terminal unit of the battery pack is connected to the output terminal unit.