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公开(公告)号：US11330947B2
公开(公告)日：2022-05-17
申请号：US16353902
申请日：2019-03-14
Applicant: LG ELECTRONICS INC.
Inventor： Kietak Hyun , Changgun Lee , Seungyeop Lee
Abstract: A cyclone type dust collector includes a first cyclone comprising a first cyclone body configured to induce a cyclonic flow of air around a first flow axis extending in a vertical direction, a first air inlet formed in the first cyclone body, a first dust outlet formed in the first cyclone body, and a first air outlet formed in the first cyclone body; and a first dust container configured to communicate with the first dust outlet and collect dust separated from the air, wherein at least a part of the first cyclone body is horizontally adjacent to the first dust container in a first horizontal direction that intersects with the first flow axis.
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公开(公告)号：US11160428B2
公开(公告)日：2021-11-02
申请号：US16453122
申请日：2019-06-26
Applicant: LG ELECTRONICS INC. , IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
Inventor： Sangchul Lee , Changgun Lee , Kietak Hyun , Sejin Yook , Sanghee Woo , Seungyoon Noh
Abstract: A cleaner includes a housing having a hollow inner space, a housing partition configured to divide the inner space into an first space and a second space, first and second communication holes formed through the housing partition to allow the first and second spaces to communicate with each other, an inlet through which air from an outside of the housing is introduced into the second space, an air discharge port through which air in the first space is exhausted to the outside of the housing, a fan arranged in the first space to draw air to the air discharge port, a first cyclone arranged in the second space to guide air to the first communication hole and separate dirt from the air, and a second cyclone arranged in the second space to guide a portion of air to the second communication hole and separate dirt from the air.
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公开(公告)号：US10575695B2
公开(公告)日：2020-03-03
申请号：US15557723
申请日：2016-03-11
Applicant: LG ELECTRONICS INC.
Inventor： Jeongho Lee , Changgun Lee , Sangchul Lee , Taekyung Kim , Younggyu Jung
Abstract: The vacuum suctioning unit of the present invention includes: a cover provided with an air entrance; an impeller for circulating air that enters the air entrance; a motor provided with a shaft connected to the impeller; a guide device for guiding the flow of air that exits an exit of the impeller; and a motor housing that houses the motor and is provided with an air exit. The guide device includes: a guide body disposed below the impeller; a first guide vane formed on a side surface of the guide body and guiding air discharged from the impeller; and a second guide vane formed on the bottom surface of the guide body and connected to the first guide vane to guide air that is moved by the first guide vane. The entrance angle of the first guide vane is within the range of 10 to 27 degrees.
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Patent Agency Ranking
公开(公告)号：US11517165B2
公开(公告)日：2022-12-06
申请号：US16945205
申请日：2020-07-31
Inventor： Seungyeop Lee , Kietak Hyun , Changgun Lee , Sejin Yook , Junhyung Lim
Abstract: A cleaner is disclosed, which comprises a main body including an suction inlet through which air containing dust enters, a dust separator provided to separate dust from the air while the air entering from the suction inlet is moving, a first dust collector configured to collect the dust separated by the dust separator, a cyclone portion configured to rotate the air to separate the dust from the air, and a second dust collector collecting the dust separated by the cyclone portion. The dust separator is provided with a plurality of plate shaped members arranged at a predetermined angle with respect to a moving direction of the air, and arranged to be spaced apart from one another to move the air.
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公开(公告)号：US20190091703A1
公开(公告)日：2019-03-28
申请号：US15941388
申请日：2018-03-30
Applicant: LG ELECTRONICS INC.
Inventor： Kietak Hyun , Sangchul Lee , Changgun Lee
Abstract: A dust collector includes a cylindrical housing forming an outer appearance of the dust collector; a cyclone inside the housing to cause a swirling flow to separate dust from air introduced into the housing; axial inlet type swirl tubes receiving air and fine dust that have passed through the cyclone, and causing a swirling flow to separate the fine dust from the air; and a mesh surrounding an outside of the axial inlet type swirl tubes to form a boundary between the cyclone and the axial inlet type swirl tubes, wherein the axial inlet type swirl tubes are stacked in stages and the axial inlet type swirl tubes in each stage are arranged in first and second columns that are provided in opposite directions to each other, and axial lengths of the axial inlet type swirl tubes gradually increase toward the center of each stage.
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公开(公告)号：US11559181B2
公开(公告)日：2023-01-24
申请号：US16774976
申请日：2020-01-28
Applicant: LG Electronics Inc.
Inventor： Jeongho Lee , Changgun Lee , Sangchul Lee , Taekyung Kim , Younggyu Jung
Abstract: The vacuum suctioning unit of the present invention includes: a cover provided with an air entrance; an impeller for circulating air that enters the air entrance; a motor provided with a shaft connected to the impeller; a guide device for guiding the flow of air that exits an exit of the impeller; and a motor housing that houses the motor and is provided with an air exit. The guide device includes: a guide body disposed below the impeller; a first guide vane formed on a side surface of the guide body and guiding air discharged from the impeller; and a second guide vane formed on the bottom surface of the guide body and connected to the first guide vane to guide air that is moved by the first guide vane. The entrance angle of the first guide vane is within the range of 10 to 27 degrees.
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公开(公告)号：US11147423B2
公开(公告)日：2021-10-19
申请号：US15940582
申请日：2018-03-29
Applicant: LG ELECTRONICS INC.
Inventor： Kietak Hyun , Sangchul Lee , Changgun Lee
IPC: A47L9/16
Abstract: A dust collector includes a housing configured to form an outer appearance of the dust collector; a cyclone formed inside the housing to cause a swirling flow to separate dust from air introduced into the housing; axial inlet type swirl tubes configured to receive air and fine dust that have passed through the cyclone, and cause a swirling flow to separate the fine dust from the air; and a mesh configured to surround an outside of the axial inlet type swirl tubes to form a boundary between the cyclone and the axial inlet type swirl tubes, wherein the axial inlet type swirl tubes are stacked in multiple stages, and the axial inlet type swirl tubes in each stage are radially arranged such that the inlet faces an inner surface of the mesh and the outlet faces the center of a region defined by the housing.
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公开(公告)号：US20190090709A1
公开(公告)日：2019-03-28
申请号：US15940582
申请日：2018-03-29
Applicant: LG ELECTRONICS INC.
Inventor： Kietak Hyun , Sangchul Lee , Changgun Lee
IPC: A47L9/16
Abstract: A dust collector includes a housing configured to form an outer appearance of the dust collector; a cyclone formed inside the housing to cause a swirling flow to separate dust from air introduced into the housing; axial inlet type swirl tubes configured to receive air and fine dust that have passed through the cyclone, and cause a swirling flow to separate the fine dust from the air; and a mesh configured to surround an outside of the axial inlet type swirl tubes to form a boundary between the cyclone and the axial inlet type swirl tubes, wherein the axial inlet type swirl tubes are stacked in multiple stages, and the axial inlet type swirl tubes in each stage are radially arranged such that the inlet faces an inner surface of the mesh and the outlet faces the center of a region defined by the housing.
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