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公开(公告)号：US20170196431A1
公开(公告)日：2017-07-13
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：US20230146907A1
公开(公告)日：2023-05-11
申请号：US17914543
申请日：2020-11-03
Applicant: LG ELECTRONICS INC.
Inventor： Woo HONG , Sangik LEE
CPC classification number: A47L9/0494 , A47L9/0405 , A47L9/2852 , A47L9/0477 , A47L2201/06 , A47L2201/04
Abstract: The present invention relates to a robot cleaner. The robot cleaner comprises: a cleaner body equipped with a driving wheel; and a cleaning nozzle mounted inside a downwardly open opening portion in a lower portion of the cleaner body so as to be able to ascend and descend. The cleaning nozzle can be supported by a plurality of ascending/descending guides and a plurality of auxiliary ascending/descending guides so that the cleaning nozzle can ascend and descend relative to the cleaner body according to changes in the height of a cleaning surface on which the cleaner body travels. Accordingly, the cleaning to nozzle rises upon being pressed by a compressible floor such as a carpet, thus solving the problem of the cleaning nozzle catching on the cleaning surface. Therefore, travel performance can be improved, and the load on a brush driving part can be reduced.
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公开(公告)号：US20190307065A1
公开(公告)日：2019-10-10
申请号：US16375400
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: The present disclosure relates to a lawn mower robot, and the lawn mower robot may include an outer cover; an inner body accommodated into the outer cover, and provided with a plurality of wheels for traveling on both sides thereof; a blade drive motor mounted inside the inner body; a rotating plate driven by the blade drive motor, and rotatably mounted on a bottom surface of the inner body; a plurality of blades rotatably mounted on the rotating plate, and unfolded to an outside of the rotating plate or folded to an inside of the rotating plate; a blade protection cover disposed on a bottom surface of the inner body to cover the rotating plate and the plurality of blades; and a sealing portion configured to seal between the inner body and the blade protection cover.
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公开(公告)号：US20210161339A1
公开(公告)日：2021-06-03
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：US20190307062A1
公开(公告)日：2019-10-10
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
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：US20190307060A1
公开(公告)日：2019-10-10
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：US20230180981A1
公开(公告)日：2023-06-15
申请号：US17597930
申请日：2020-07-24
Applicant: LG ELECTRONICS INC.
Inventor： Woo HONG , Sangik LEE , Jongho PARK
CPC classification number: A47L9/0477 , A47L9/0494 , A47L9/2805 , A47L9/2847 , A47L2201/04
Abstract: Disclosed is a cleaning unit comprising a variable brush portion. The cleaning unit according to an embodiment of the present invention comprises a shaft capable of reciprocating along an axial direction, wherein a first cam protrudes from the outer circumferential surface of the shaft. In addition, the brush portion is arranged on the outer circumferential surface of a body member surrounding the shaft, and the brush portion includes a second cam engaged with the first cam. When the shaft is moved in the axial direction, the first cam pushes the second cam in a radial direction, whereby the brush portion may protrude in the radial direction. That is, as the shaft reciprocates in the axial direction, the length of the brush portion protruding from the outer circumferential surface of the body member may vary.
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8.发明申请公开(公告)号：US20200333799A1
公开(公告)日：2020-10-22
申请号：US16765405
申请日：2019-09-20
Applicant: LG ELECTRONICS INC.
Inventor： Changhyeon LEE , Woo HONG
Abstract: A method for adaptively operating a cleaning robot based on height difference between floors and the cleaning robot are provided, and according to an embodiment of the present disclosure, the cleaning robot that adaptively operates based on the height difference between the floors includes a central controller that controls a height adjuster that controls a height of a floor cleaner based on height information related to a space stored in a map storage and height information sensed by a sensor.
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公开(公告)号：US20190307063A1
公开(公告)日：2019-10-10
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: The present invention relates to a lawn mower robot, including: 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：US20190307061A1
公开(公告)日：2019-10-10
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
Abstract: The present invention relates to a lawn mower robot, including 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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