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公开(公告)号：US12207784B2
公开(公告)日：2025-01-28
申请号：US17627277
申请日：2020-06-02
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Sangik Lee , Jongho Park
Abstract: The present invention relates to a robotic cleaner comprising: a cleaner body which has a plurality of guide holders provided therein and performs self-driving; and a suction nozzle which receives an agitator therein, has guide protrusions longitudinally protruding from both sidewalls thereof toward the plurality of guide holders and received in the plurality of guide holders, respectively, and is up-and-down movably and back-and-forth swingably mounted to the cleaner body, whereby the driving performance and cleaning performance of the cleaner can be improved.
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公开(公告)号：US11140820B2
公开(公告)日：2021-10-12
申请号：US16375217
申请日：2019-04-04
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Siyong Kim , Hanshin Kim , Hyunsup Song , Kyeongho Cho , Jaehun Han , Jiwoo Ha
Abstract: A lawn mower robot includes: an outer cover; an inner body accommodated inside the outer cover and having a plurality of wheels on both side surfaces for traveling; a rotating plate rotatably mounted on a bottom surface of the inner body; a plurality of blades rotatably mounted on the rotating plate to cut grass; a height adjustment unit to adjust height of the blades; and a height display unit to display the blade height, wherein the height display unit includes: an inner cover mounted on an upper portion of the outer cover; a display window formed through one side of the inner cover; and a ruler having numerals on an upper surface to display the height of the blades, and mounted inside the inner body to be movable up and down and back and forth in correspondence to movement of the height adjustment unit.
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公开(公告)号：US11638506B2
公开(公告)日：2023-05-02
申请号：US17106043
申请日：2020-11-27
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Sangik Lee , Jongho Park
Abstract: A robot cleaner includes a main body that autonomously travels, a suction nozzle configured to move up and down or swing with respect to the main body, and a support to support the suction nozzle. The robot cleaner may respond to a change in a height of a floor to improve travel performance and may respond better to obstacles. Even when a height difference of the floor is large, cleaning performance may be improved by maintaining contact and increasing a suction pressure of the suction nozzle.
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公开(公告)号：US10568487B2
公开(公告)日：2020-02-25
申请号：US15318274
申请日：2016-06-10
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Sangwoo Woo , Seonhwa Yu
Abstract: Disclosed is a heating circulation type drying module of a dishwasher using a fan module and PTC heaters. The dishwasher includes a cabinet defining the external appearance, a tub provided in the cabinet, a door for opening or closing the tub, a flow-path unit for circulating air inside the tub through a suction port and an exhaust port, which communicate with the tub, a suction duct for communicating with the suction port, an exhaust duct for communicating with the suction duct and the exhaust port, at least two heaters provided inside the exhaust duct for heating the air, and a fan for supplying the air to the heaters. The dishwasher may achieve improved drying performance via adjustment in the temperature of air to be discharged, and may reduce power consumption via omission of a rinsing water heating course.
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公开(公告)号：US11154005B2
公开(公告)日：2021-10-26
申请号：US16375424
申请日：2019-04-04
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Siyong Kim , Hanshin Kim , Hyunsup Song , Kyeongho Cho , Jaehun Han , Jiwoo Ha
IPC: A01D34/00 , G05D1/02 , A01D34/81 , A01D69/02 , A01D101/00
Abstract: A lawn mower robot includes an outer cover; an inner body accommodated into the outer cover to mount wheels for traveling on both sides thereof; wheel drive motors mounted on both sides of the inner body, respectively, to drive the wheels, respectively; a rotating plate rotatably mounted on a bottom surface of the inner body; blades rotatably mounted on the rotating plate to mow the grass; a blade drive motor mounted inside the inner body to rotate the blades together with the rotating plate; a battery mounted inside the inner body to supply power to the wheel drive motor and the blade drive motor; a battery receiving portion extended upward in a protruding manner from a bottom surface of the inner body toward an inner space of the inner body to accommodate the battery therein; and a battery cover mounted to cover the battery receiving portion.
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Patent Agency Ranking
公开(公告)号：US11140823B2
公开(公告)日：2021-10-12
申请号：US16375505
申请日：2019-04-04
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Siyong Kim , Hanshin Kim , Hyunsup Song , Kyeongho Cho , Jaehun Han , Jiwoo Ha
IPC: A01D34/82 , A01D34/00 , A01D34/81 , A01D101/00
Abstract: A lawn mower robot includes an outer cover; an inner body accommodated into the outer cover to mount a plurality of wheels for traveling on both sides thereof; a plurality of blades rotatably mounted on a bottom surface of the inner body to mow the grass; a plurality of support portions arranged to be spaced apart in front-rear and left-right directions on an upper portion of the inner body to movably support the outer cover in front-rear and left-right directions with respect to the inner body; and a plurality of injury preventing walls provided on a bottom surface of the inner body to prevent a user's hand from entering toward the plurality of blades from a lower portion of the outer cover, thereby preventing a user's hand or the like from entering the blades through a lower portion of the outer cover so as to improve safety.
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公开(公告)号：US11166409B2
公开(公告)日：2021-11-09
申请号：US16373050
申请日：2019-04-02
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Siyong Kim , Hanshin Kim , Hyunsup Song , Kyeongho Cho , Jaehun Han , Jiwoo Ha
IPC: A01D34/00 , A01D34/73 , A01D34/78 , A01D34/81 , A01D101/00
Abstract: A lawn mower robot includes an outer cover, an inner body positioned in the outer cover and having a plurality of wheels for traveling provided on both side surfaces thereof, a plurality of blades rotatably mounted on a bottom surface of the inner body to cut grass, electric devices mounted inside the inner body and including a battery, wheel driving motors, a blade driving motor, a plurality of ultrasonic sensor modules, rain sensors, a user interface (UI) module, and a universal serial bus (USB) port, and a waterproof unit to prevent penetration of water into the inner body or the electric devices, thereby improving waterproof performance.
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公开(公告)号：US11129327B2
公开(公告)日：2021-09-28
申请号：US16264494
申请日：2019-01-31
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Siyong Kim , Hanshin Kim , Hyunsup Song , Kyeongho Cho , Jaehun Han , Jiwoo Ha
Abstract: A moving robot includes an inner body including a plurality of wheels, an outer cover mounted at the inner body and surrounding an outer side of the inner body, a handle mounted at the outer cover, a plurality of support pillars spaced apart from each other on the inner body and elastically supporting the outer cover in a first horizontal direction and a second horizontal direction with respect to the inner body, a prop tab mounted at each of the plurality of support pillars and configured to fasten the outer cover to the support pillar, and a protrusion tab that extends upwards from an upper surface of the prop tab and penetrates through the outer cover.
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公开(公告)号：US11129326B2
公开(公告)日：2021-09-28
申请号：US16260865
申请日：2019-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Woo Hong , Siyong Kim , Hanshin Kim , Hyunsup Song , Kyeongho Cho , Jaehun Han , Jiwoo Ha
IPC: A01D34/00 , A01D34/81 , B25J11/00 , G05D1/02 , A01D101/00
Abstract: A lawn mower robot includes an inner body including wheels for traveling on both sides thereof, an outer cover mounted at an upper portion of the inner body and surrounding the inner body, a handle mounted at an upper portion of the outer cover, a plurality of support portions disposed to be spaced apart from each other at an upper portion of the inner body in a front-rear direction and in a left-right direction and elastically supporting the outer cover in the front-rear direction and in the left-right direction with respect to the inner body, and a plurality of movement range restricting portions respectively restricting movement ranges of the plurality of support portions. Each movement range restricting portion includes an engaging portion formed at an upper portion of each support portion and a movement restricting cover installed at an upper portion of the inner body.
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公开(公告)号：US11589721B2
公开(公告)日：2023-02-28
申请号：US17638602
申请日：2020-07-24
Applicant: LG ELECTRONICS INC.
Inventor： Jongho Park , Sangik Lee , Woo Hong
Abstract: The present invention provides a cleaning unit, comprising: a columnar body part having a rotation guide opening formed on the outer circumferential surface thereof; a shaft installed to reciprocate a predetermined distance in the longitudinal direction thereof in a hollow formed in the body part; a drive part that protrudes from the shaft in the radial direction thereof; a brush part that has one side installed on the outer circumferential surface of the body part along the longitudinal direction thereof and rotates on the basis of the one side as a rotation axis; and a driven part that extends from the brush part toward the drive part, passes through the rotation guide opening, and is inserted into a rotation guide groove formed in the drive part. The rotation guide groove extends at a predetermined angle with respect to the longitudinal direction of the shaft, and as the shaft reciprocates, the driven part is guided to rotate by means of the rotation guide groove, and the brush is rotated by means of the rotation of the driven part. The cleaning unit may include a robot cleaner or a cleaner operated by means of a user's operation.
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