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公开(公告)号：US20240035687A1
公开(公告)日：2024-02-01
申请号：US18099646
申请日：2023-01-20
Applicant: LG ELECTRONICS INC.
Inventor： Janghee PARK , Yongki JEONG , Jinwoo LEE
IPC: F24F7/08
CPC classification number: F24F7/08
Abstract: A ventilation apparatus includes a housing having an outdoor air inlet, an outdoor air outlet, an indoor air inlet, and an indoor air outlet; a total heat exchange element in the housing, the total heat exchange element having four side edges; four partition walls connecting the four side edges of the total heat exchange element to four side surfaces of the housing to divide the housing into an outdoor air inlet space, an outdoor air discharge space, an indoor air inlet space, and an indoor air discharge space; an outdoor air discharge guide duct; an indoor air inlet guide duct; and a bypass duct branching from the indoor air inlet guide duct to bypass the total heat exchange element, the bypass duct extending to the indoor air discharge space. Indoor air introduced through the outdoor air inlet selectively passes through the total heat exchange element according to an operation mode.
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公开(公告)号：US20220369889A1
公开(公告)日：2022-11-24
申请号：US17771850
申请日：2020-11-06
Applicant: LG ELECTRONICS INC.
Inventor： Jonghyun SEO , Mantae HWANG , Chungjae RYU , Jinwoo LEE
IPC: A47L11/40
Abstract: A cleaner is disclosed. The cleaner according to an embodiment of the present disclosure includes a body, a rotating plate rotatably coupled to the body and including an edge portion having a predetermined height (h1) in a vertical direction, a mop coupled to a bottom surface of the rotating plate, and a blocking rib protruding downward from the body and formed along a periphery of the rotating plate, a lower end of the blocking rib being lower than an upper end of the edge portion. According to an embodiment of the present disclosure, it is possible to effectively prevent hair and the like from being introduced between the body and the rotating plate.
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公开(公告)号：US20210199355A1
公开(公告)日：2021-07-01
申请号：US17136201
申请日：2020-12-29
Applicant: LG ELECTRONICS INC.
Inventor： Heejoong JANG , Jinwoo LEE , Hojong JEONG
Abstract: Proposed is a gas heat-pump system including: a compressor discharging compressed refrigerant; an indoor heat exchanger causing heat exchange to occur between indoor air and the refrigerant; an outdoor heat exchanger condensing the refrigerant; a four-way valve switching a flow direction; an engine; a radiator cooling heated coolant; an exhaust gas heat exchanger causing the heat exchange to occur between the coolant passing through the radiator and exhaust gas from the engine; and a first three-way valve switching a flow direction of the coolant and controlling an amount of the flowing coolant in such a manner that the coolant passing through the radiator flows toward at least one of the exhaust gas heat exchanger and the engine.
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公开(公告)号：US20200373763A1
公开(公告)日：2020-11-26
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
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.
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公开(公告)号：US20170332855A1
公开(公告)日：2017-11-23
申请号：US15599693
申请日：2017-05-19
Applicant: LG ELECTRONICS INC.
Inventor： Jonghyun SEO , Jinwoo LEE
Abstract: The present invention relates to a vacuum cleaner, and more particularly to a vacuum cleaner including a case detachably provided at a cleaner body to accommodate dust and of which an upper surface and a lower surface are opened; a cyclone provided inside the case to separate the dust; an upper cover configured to shield the upper surface of the case and having a suction port through which the dust is suctioned and a discharge port through which air separated from the dust is discharged; an upper locker rotatably installed at an outer surface of the case and configured to selectively restrict the upper cover; a lower cover configured to shield the lower surface of the case; and a lower locker slidably installed at the outer surface of the case and configured to selectively push and open the lower cover.
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Patent Agency Ranking
公开(公告)号：US20170245712A1
公开(公告)日：2017-08-31
申请号：US15445233
申请日：2017-02-28
Applicant: LG ELECTRONICS INC.
Inventor： Jungkyu SON , Bohyun NAM , Jaeyong PARK , Sehwan BAE , Jonghyun SEO , Jinwoo LEE
CPC classification number: A47L9/2852 , A47L5/362 , A47L9/00 , A47L9/0081 , A47L9/009 , A47L9/108 , A47L9/122 , A47L9/1608 , A47L9/1683 , A47L9/22 , A47L9/242 , A47L9/28 , A47L9/2805 , A47L9/2857 , A47L9/2884 , A47L9/327
Abstract: Provided is a vacuum cleaner including a cleaner body of which a center of gravity is disposed at a rear side further than a rotating center thereof; one pair of moving wheels provided at both side surfaces of the cleaner body and configured to rotatably support the cleaner body and also to be rotated for travelling; and a rear wheel unit provided at a bottom surface of the cleaner body and configured to elastically support the cleaner body at a rear of the pair of moving wheels, wherein the rear wheel unit includes a supporting part rotatably installed at the bottom surface of the cleaner body and rotated in a rotating direction of the cleaner body; an elastic portion configured to extend from one side of the supporting part and to be elastically deformed by being in contact with the bottom surface of the cleaner body when the supporting part is rotated; a rotating member shaft-coupled to the supporting part and installed to be rotatable in a direction intersecting with a rotating direction of the supporting part; and a rear wheel installed at the rotating member and rolled while being in contact with the ground.
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公开(公告)号：US20170245708A1
公开(公告)日：2017-08-31
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
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.
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公开(公告)号：US20170245707A1
公开(公告)日：2017-08-31
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
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.
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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
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.
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公开(公告)号：US20240060677A1
公开(公告)日：2024-02-22
申请号：US18099734
申请日：2023-01-20
Applicant: LG ELECTRONICS INC.
Inventor： Janghee PARK , Jinwoo LEE , Yongki JEONG
CPC classification number: F24F12/006 , F24F13/20 , F24F13/30 , F24F3/001 , F24F11/74 , F24F11/77 , F24F2012/007
Abstract: A ventilation apparatus includes a housing having an indoor air inlet, an air discharge opening, an outdoor air inlet, and an indoor air outlet; a total heat exchange element located in the housing, an inner space of the housing being partitioned into a space for the total heat exchange element, an outdoor air inlet space, an outdoor air discharge space facing the outdoor air inlet space, an indoor air inlet space, and an indoor air discharge space facing the indoor air inlet space, a bypass duct having a bypass passage configured to bypass the total heat exchange element, the bypass passage communicating with the indoor air inlet space and the indoor air discharge space. Indoor air passes through at least one of the total heat exchange element and the bypass passage according to an operation mode of the ventilation apparatus.
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