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公开(公告)号：US20230077917A1
公开(公告)日：2023-03-16
申请号：US17990925
申请日：2022-11-21
申请人： LG ELECTRONICS INC.
发明人： Jaehyeon Kim , Hoojin Kim , Siyoung Oh , Yongmin Kim , Kidong Kim , Seokho Choi , Hyungho Park , Chiyoung Choi
摘要： First and second towers may discharge air. An airflow guide or converter may change a direction of the air discharged from the first tower and the second tower by moving a gate inside and outside of at least one of the first or second towers so as to block discharged air flowing forward and selectively facilitate an upward air flow. The airflow converter may include a guide motor to provide a driving force, the gate, which may reciprocate between the inside and the outside of the first and/or second towers; and a board guider connected to the gate to transmit a driving force of the guide motor to the gate as a linear motion force.
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公开(公告)号：US11525589B2
公开(公告)日：2022-12-13
申请号：US16689822
申请日：2019-11-20
申请人： LG Electronics Inc.
发明人： Sanghyuk Son , Seokho Choi , Jaehyuk Jung
摘要： An air cleaner includes a fan that is configured to suck air in an axial direction and discharge air between the axial direction and a radial direction. The air cleaner further includes a fan motor that is configured to rotate the fan. The air cleaner further includes an air guide unit that includes a cylindrical outer wall and an inner wall that is located in a center portion of the outer wall and that defines a space that is configured to receive the fan motor. The air guide unit defines an annular air flow path that is configured to receive air discharged by the fan and that is defined by an inner circumferential surface of the outer wall and an outer circumferential surface of the inner wall. The air guide unit further includes a plurality of guide ribs. The air guide unit further includes a plurality of flow guide protrusions.
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公开(公告)号：US11209011B2
公开(公告)日：2021-12-28
申请号：US16346390
申请日：2017-11-01
发明人： Taejun Kim , Seokho Choi , Siyoung Oh , Yongcheol Sa , Haecheon Choi , Keuntae Park
摘要： Disclosed is an air conditioner that suppresses generation of leakage vortices between a fan and a shroud. An air conditioner according to an embodiment of the present invention includes: an axial fan for blowing air; a shroud partially surrounding a circumference of the axial fan to guide air blown by the axial fan; and a fence ring provided in an inner surface of the shroud and protruding in a radial direction from the inner surface of the shroud. In addition, the fence ring is disposed between a downstream end of the axial fan and a downstream end of the shroud.
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公开(公告)号：US20210372414A1
公开(公告)日：2021-12-02
申请号：US17336517
申请日：2021-06-02
申请人： LG ELECTRONICS INC.
发明人： Jaehyeon Kim , Hoojin Kim , Siyoung Oh , Yongmin Kim , Kidong Kim , Seokho Choi , Hyungho Park , Chiyoung Choi
摘要： First and second towers may discharge air. An airflow guide or converter may change a direction of the air discharged from the first tower and the second tower by moving a gate inside and outside of at least one of the first or second towers so as to block discharged air flowing forward and selectively facilitate an upward air flow. The airflow converter may include a guide motor to provide a driving force, the gate, which may reciprocate between the inside and the outside of the first and/or second towers; and a board guider connected to the gate to transmit a driving force of the guide motor to the gate as a linear motion force.
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公开(公告)号：US20210277913A1
公开(公告)日：2021-09-09
申请号：US17190692
申请日：2021-03-03
申请人： LG ELECTRONICS INC.
发明人： Jaehyun Kim , Yongmin Kim , Kidong Kim , Seokho Choi , Hyungho Park , Hoojin Kim , Chiyoung Choi
摘要： A blower is provided that may include a fan that creates airflow; a lower body forming an inner space in which the fan may be installed, and having at least one suction hole through which air passes; an upper body positioned above the lower body and including a first upper body forming a first inner space that communicates with the inner space of the lower body, and a second upper body forming a second inner space that communicates with the inner space of the lower body and spaced apart from the first upper body; a space formed between the first upper body and the second upper body and opened in a frontward-rearward direction; a first opening formed through a first boundary surface of the first upper body facing the space; a second opening formed through a second boundary surface of the second upper body facing the space; and a door assembly including a first door installed at the first upper body and that opens and closes the first opening, and a second door installed at the second upper body and that opens and closes the second opening.
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公开(公告)号：US20210172456A1
公开(公告)日：2021-06-10
申请号：US17113227
申请日：2020-12-07
申请人： LG ELECTRONICS INC.
发明人： Taehun LEE , Jaehyuk Jung , Seokho Choi
IPC分类号： F04D29/44 , F04D25/08 , F04D29/053 , F24F13/20
摘要： A humidification and air cleaning apparatus is provided, in which a first sweep angle and a second sweep angle are formed at diffuser blades, and an included angle is formed between the first sweep angle and the second sweep angle, such that a phase difference is formed in air passing through the diffuser blades, and thus, air flow noise may be reduced.
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公开(公告)号：US11624369B2
公开(公告)日：2023-04-11
申请号：US17318274
申请日：2021-05-12
申请人： LG ELECTRONICS INC.
发明人： Jaehyuk Jung , Kidong Kim , Hoojin Kim , Haein Jung , Seokho Choi , Hyungho Park , Yongmin Kim , Chiyoung Choi
摘要： A blower includes a first extension having a first discharge port formed in a first wall, a second extension having a second discharge port formed in a second wall facing and spaced apart from the first wall, a fan provided below the first and second extensions to guide air toward each of the first tower and the second tower, a first gate provided inside the first tower or protruding from the first wall, a second gate provided inside the second tower or protruding from the second wall, a first guide motor to change a position of the first gate, and a second guide motor to change a position of the second gate.
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公开(公告)号：US11428424B2
公开(公告)日：2022-08-30
申请号：US17113239
申请日：2020-12-07
申请人： LG ELECTRONICS INC.
发明人： Jaehyuk Jung , Seungdeok Yang , Seokho Choi
摘要： A humidification and air cleaning apparatus is provided, in which a wave having a predetermined cycle is formed on a plurality of blades of a blower fan, such that operating noise caused by a flow of discharged air may be minimized, and a wave is formed at a trailing edge, such that a phase difference may be formed for air to be separated, and air flow noise of the discharged air may be reduced.
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公开(公告)号：US11525586B2
公开(公告)日：2022-12-13
申请号：US16706499
申请日：2019-12-06
申请人： LG Electronics Inc.
发明人： Jaehyuk Jung , Changhoon Lee , Seokho Choi
IPC分类号： F24F1/0033 , F24F1/0029 , F24F1/027
摘要： A turbo fan includes a hub for coupling a rotating shaft of a motor, a shroud, and a plurality of blades. Each blade includes an inner insertion portion disposed between the hub and the shroud, and an outer extension portion extending from the inner insertion portion and protruding beyond an outer circumference of the hub. Each blade has a positive pressure surface that includes a front surface facing toward a rotational direction and has a convex shape, and a negative pressure surface that includes a rear surface facing toward an opposite direction to the rotational direction and has a concave shape. Each blade further includes a first flow guide protrusion protruding from the positive pressure surface and arranged at an outer end of the outer extension portion, and extends from one side to the other side of the outer end of the outer extension portion in an axial direction.
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公开(公告)号：US11441790B2
公开(公告)日：2022-09-13
申请号：US16547070
申请日：2019-08-21
申请人： LG Electronics Inc.
发明人： Seokho Choi , Jeongtaek Park , Taehun Lee , Jinwook Choi
IPC分类号： F24F1/0011 , F24F1/0025 , F24F1/0035 , F24F1/0059 , F24F1/38 , F24F1/0047 , F24F1/0057
摘要： An air conditioner includes a housing that defines an air inlet and an air outlet, a heat exchanger, a blowing fan inside the housing, a lower guide configured to guide, toward the air outlet, air discharged to a rear side of the blowing fan and a lower side of the blowing fan, and an upper guide that is disposed vertically above the lower guide and that defines a discharge flow path with the lower guide. The discharge flow path extends from the blowing fan to the air outlet, and a cross sectional area of the discharge flow path increases toward the air outlet. The upper guide defines a curved surface that is disposed at a downstream end of the upper guide adjacent to the air outlet and that is convex toward the air outlet.
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