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公开(公告)号：WO2021172656A1
公开(公告)日：2021-09-02
申请号：PCT/KR2020/005347
申请日：2020-04-23
Applicant: LG ELECTRONICS INC.
Inventor： HER, Jonguk , HYUN, Kietak , EO, Soohan , LEE, Sangchul , HWANG, Inkyu
Abstract: The present application relates to a cleaning appliance including: a hollow cylindrical housing; a housing wall dividing an internal space of the housing into a first space and a second space; a wall through-hole defined to pass through the housing wall; an intake port communicating the first space with an exterior of the housing; an exhaust including a cover through-hole and an exhaust hole defined to pass through a top face of the housing; a fan fixed to the wall or the second space and positioned in the wall through-hole, wherein the fan flows air in the first space to the exhaust hole; a separator disposed in the first space to form a flow path for guiding air flowed into the intake port to the fan, wherein the separator separates a foreign matter from the air using a centrifugal force; and a display including: a display panel exposed to the exterior of the housing through the cover through-hole; a display housing fixing the display panel thereto; and a housing fastening portion for fixing the display housing to the wall or an inner circumferential face of the housing.
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公开(公告)号：WO2019231171A1
公开(公告)日：2019-12-05
申请号：PCT/KR2019/006177
申请日：2019-05-23
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , LEE, Sangchul , HER, Jonguk
Abstract: The present invention includes a housing configured in a cylindrical shape, an inlet port provided to a circumferential surface of the housing, an inlet pipe extending to a front side of the housing, a first cover forming a top surface of the housing and having a multitude of air discharge ports, a fan provided within the housing, a cyclone forming part provided within the housing to separate dust from air flowing into the housing by being located on a flow route of air moving within the housing by the fan, a battery supplying power to the fan, a battery case coupled to a circumferential surface of the housing and, and a handle coupled to a lateral side of the battery case and the circumferential surface of the housing.
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公开(公告)号：WO2021172655A1
公开(公告)日：2021-09-02
申请号：PCT/KR2020/005345
申请日：2020-04-23
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , HER, Jonguk , EO, Soohan , LEE, Sangchul , HWANG, Inkyu
IPC: A47L9/16
Abstract: The present application relates to a cleaner including a hollow cylindrical housing, a housing wall dividing an internal space of the housing into a first space and a second space, a wall through-hole defined to pass through the housing wall, a mounting portion including a mounting body having a top face and a mounting space defined therein in communication with the second space, wherein the mounting body is fixed into the wall through-hole, first communicating means penetrating a bottom face of the mounting body and in communication with the mounting space, wherein the first communicating means is defined in a first region of the bottom face, and second communicating means penetrating the bottom face and in communication with the mounting space, wherein the second communicating means is defined in a second region separated from the first region, an intake port communicating the first space with an exterior of the housing, an exhaust hole communicating the second space with the exterior of the housing, a separator disposed in the first space to form a flow path for guiding air flowed into the intake port to the plurality of communicating means, wherein the separator separates foreign matters from the air using a centrifugal force, a fan disposed in the second space to flow the air flowed into the plurality of communicating means to the exhaust hole, a cup-shaped filter body located in the mounting space, a first filter face disposed on a face facing the bottom face in a space provided by the filter body to filter the air flowed into the first communicating means, and a second filter face disposed on the filter body to divide the mounting space into a space including the first region located therein and a space including the second region located therein, wherein the second filter face filters the air flowed into the second communicating means.
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公开(公告)号：WO2019231167A1
公开(公告)日：2019-12-05
申请号：PCT/KR2019/006168
申请日：2019-05-23
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , LEE, Sangchul , HER, Jonguk
Abstract: The present invention includes a first housing configured in a cylindrical shape, an inlet port provided to a circumferential surface of the first housing, a cyclone forming part provided within the first housing, a second housing coupled to an outer circumferential surface of the first housing and extending in a direction opposite to an extending direction of the inlet pipe, a fan provided within the second housing, a battery supplying power to the fan, a battery case coupled to the circumferential surface of the first housing and receiving the battery therein by extending in a direction opposite to the extending direction of the inlet pipe to be side by side with a length-directional axis of the second housing, and a handle coupled to a lateral surface of the battery case and a circumferential surface of the second housing.
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公开(公告)号：WO2019231153A1
公开(公告)日：2019-12-05
申请号：PCT/KR2019/006054
申请日：2019-05-21
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , LEE, Sangchul , HER, Jonguk
Abstract: Disclosed is a cleaner. The present invention includes a first housing, an inlet port provided to the first housing, an inlet pipe communicating with the inlet port and extending to a front side of the housing with a length-directional axis positioned side by side with a ground surface, a cyclone forming part provided within the first housing, a second housing configured in a cylindrical shape, communicating with the first housing and coupled to a rear side of the first housing, a fan provided within the second housing to provide a suction force to enable air to be sucked into the first housing through the inlet port, a battery supplying power to the fan, a battery case to receive the battery therein, and a handle connected to the circumferential surface of the first housing and a top surface of the battery case.
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Patent Agency Ranking
公开(公告)号：WO2019231170A1
公开(公告)日：2019-12-05
申请号：PCT/KR2019/006175
申请日：2019-05-23
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , LEE, Sangchul , HER, Jonguk
Abstract: Disclosed is a cleaner. The present invention includes a first housing configured in a cylindrical shape, an inlet port provided to the first housing, an inlet pipe extending to a front side of the housing, a cyclone forming part provided within the first housing, a second housing communicating with the first housing and coupled to a rear side of the first housing, a fan provided within the second housing to provide a suction force so that air flowing from the first housing flows from a top side of the second housing to a bottom side of the second housing, a battery supplying power to the fan, a battery case coupled to a circumferential surface of the first housing and a bottom side of the second housing, and a handle including a handle connected to the circumferential surface of the first housing and a top side of the battery case.
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公开(公告)号：WO2019231157A1
公开(公告)日：2019-12-05
申请号：PCT/KR2019/006074
申请日：2019-05-21
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , HER, Jonguk , LEE, Sangchul
Abstract: A cleaning appliance comprises a housing provided in a hollow cylinder shape, having an intake unit and an exhaust unit; a fan provided to include an impeller located in the housing, a rotary shaft to which the impeller is fixed, and a motor rotating the rotary shaft, moving the air entering the housing through the intake unit to the exhaust unit; a particle separator provided inside the housing to provide a path for guiding the air entering the intake unit to the impeller, separating particles from the air by using a centrifugal force; a battery housing located at a point spaced apart from a pint where the intake unit is located, as much as 180°, in a space provided by a circumferential surface of the housing and protruded to be far away from the circumferential surface of the housing; a battery provided in the battery housing, supplying a power to the motor; and a handle provided to connect the circumferential surface of the housing with the battery housing, wherein the rotary shaft is inclined at an angle greater than 0° and smaller than 90° toward a direction where the handle is located based on a vertical line passing through the center of gravity of the particle separator.
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公开(公告)号：WO2019231154A1
公开(公告)日：2019-12-05
申请号：PCT/KR2019/006055
申请日：2019-05-21
Applicant: LG ELECTRONICS INC.
Inventor： HYUN, Kietak , LEE, Sangchul , HER, Jonguk
Abstract: A cleaning appliance comprises a first housing provided in a hollow cylinder shape; a second housing fixed to a circumferential surface of the first housing along a longitudinal direction of the first housing and provided with an intake unit through which the air enters; a third housing provided on a circumferential surface of the first housing along the longitudinal direction of the first housing and provided with an exhaust hole; a first communication hole for communicating the first housing with the second housing; a first communication hole for communicating the first housing with the second housing; a fan provided to include an impeller located in the third housing, a rotary shaft to which the impeller is fixed, and a motor rotating the rotary shaft, moving the air supplied from the second communication hole to the exhaust hole; a particle separator provided inside the first housing to provide a path for guiding the air entering the first communication hole to the second communication hole, separating particles from the air by using a centrifugal force; a battery housing protruded from a rear surface of the first housing located in a direction opposite to a position of the intake unit toward a direction far away from the first housing; a battery provided in the battery housing, supplying a power to the motor; and a handle having one end fixed to a rear surface of the third housing located in a direction opposite to the position of the intake unit and the other end fixed to the battery housing, wherein the center of gravity of the fan is located between the center of gravity of the particle separator and the center of gravity of the battery, and rotary shaft is parallel with a straight line passing through the center of gravity of the particle separator along the longitudinal direction of the first housing.
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公开(公告)号：EP3809934A1
公开(公告)日：2021-04-28
申请号：EP19811434.0
申请日：2019-05-21
Applicant: LG Electronics, Inc.
Inventor： HYUN, Kietak , LEE, Sangchul , HER, Jonguk
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公开(公告)号：EP3048700B1
公开(公告)日：2018-03-14
申请号：EP16152051.5
申请日：2016-01-20
Applicant: LG Electronics Inc.
Inventor： JANG, Kwangyong , LEE, Sangchul , LEE, Kyunghoon , JO, Changhum
CPC classification number: H02K1/146 , H02K1/272 , H02K1/278 , H02K7/14 , H02K9/06 , H02K19/10 , H02K21/16 , H02K2213/03
Abstract: A Cleaner includes: a motor housing (8); a stator (10) including a stator core (102) installed within the motor housing (8) and a coil (110) wound in the stator core (102) and that generates a magnetic field by applied power; and a rotor (12) disposed within the stator (10) and in which a magnet (122) that interacts with the magnetic field is installed and that rotates within the stator (10) by an interaction with the magnetic field, wherein the stator core (102) includes: a back yoke (103) in which straight portions (103A, 103C, 103E, 103G, 103I, 103K) and curved portions (103B, 103D, 103F, 103H, 103J, 103L) are alternately formed; and teeth (104, 105, 106) protruded from the back yoke (103) toward the magnet (122), wherein the teeth (104, 105, 106) include: a neck (107) protruded from the back yoke (103); and a shoe (108) protruded from the neck (107) and separated from the magnet (122) and that encloses at least a portion of the magnet (122), wherein a ratio A/B of a width A of the neck (107) to a width B of a shoe end portion (109) is 2.5 to 3.5. By optimizing a ratio A/B of a width A of the neck to a width B of the shoe end portion (109) constituting the stator core (102), efficiency of a BLDC motor can be maximized.
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