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公开(公告)号：US10072370B2
公开(公告)日：2018-09-11
申请号：US14185609
申请日：2014-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Sanghyun Lee , Bonkwon Koo , Sunho Lee
CPC classification number: D06F33/02 , D06F35/005 , D06F2202/12 , D06F2204/065 , D06F2204/084 , D06F2204/086
Abstract: The present invention relates to a method for controlling a laundry treating apparatus including a washing course for eliminating dirt or contaminants from laundry loaded in a drum, a washing-dehydrating course for eliminating water elements from the laundry having the washing course by accelerating the drum; and a rinsing course performed after the washing-dehydrating course, the rinsing course for eliminating detergent used in the washing course and remaining dirt or contaminants of the laundry by rotating the drum, wherein the drum is decelerated down to a rinsing RPM higher than 0 RPM together with finishing of the washing-dehydrating course and the rinsing course starts at the rinsing RPM.
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公开(公告)号：US12301145B2
公开(公告)日：2025-05-13
申请号：US18009585
申请日：2020-06-18
Applicant: LG Electronics Inc.
Inventor： Sunku Kwon , Chaseung Jun , Jaehoon Jeong , Jungik Ha
IPC: H02P6/28 , H02M7/5387 , H02P6/08 , H02P27/06
Abstract: The present disclosure relates to a motor assembly, and more particularly, to a motor having a two-phase input power source and a power conversion device for driving a two-phase motor. The present disclosure relates to the motor assembly for driving the two-phase motor, the motor assembly configured to comprise: a motor including a first winding and a second winding having an electrically insulated parallel structure; a DC-link circuit for supplying a direct-current voltage; and an inverter connected to the DC-link circuit to convert the direct-current voltage into an alternating-current voltage to drive the motor, and including a first switching element set connected to the first winding and a second switching element set connected to the second winding.
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公开(公告)号：US11840791B2
公开(公告)日：2023-12-12
申请号：US15120243
申请日：2015-02-17
Applicant: LG ELECTRONICS INC.
Inventor： Sunho Lee , Bonkwon Koo , Sunku Kwon , Sanghyun Lee
CPC classification number: D06F35/006 , D06F37/38 , D06F37/24
Abstract: A washing method according to the present invention comprises: a first rotation step for rotating an inner tub; a rotating direction detecting step for detecting the rotating direction of the inner tub; and a second rotation step for starting to rotate the inner tub in the opposite direction to the rotating direction of the inner tub when the rotation of the inner tub stops in the first rotation step. When the inner tub stops over a predetermined time and then restarts, the inner tub starts to rotate in the opposite direction to the rotating direction when the inner tub stops, thereby reducing the eccentricity of the inside of the inner tub, inhibiting collisions between the inner tub and an outer tub, reducing noise during collisions, and improving the rotation performance of the inner tub.
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公开(公告)号：US11522475B2
公开(公告)日：2022-12-06
申请号：US17366366
申请日：2021-07-02
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Chaseung Jun
Abstract: A motor driving device controls a three-phase motor and a single-phase motor to operate in parallel. The motor driving device includes a dc terminal in which an upper and a lower DC-link capacitor are located. The motor driving device also includes a neutral terminal disposed between the upper and lower DC-link capacitors. The motor driving device includes an inverter that includes three pairs of upper switching elements and lower switching elements. Two pairs of upper switching elements and lower switching elements among three pairs are connected to an a-phase terminal and a b-phase terminal of the three-phase motor, respectively. The other pair of upper switching elements and lower switching elements among three pairs is connected to a first terminal of the single-phase motor. The neutral terminal is connected to a second terminal of the single-phase motor. A c-phase terminal of the three-phase motor is connected to the single-phase motor.
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公开(公告)号：US11332869B2
公开(公告)日：2022-05-17
申请号：US15569614
申请日：2016-04-11
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Youngho Kim
Abstract: A clothes-processing apparatus is disclosed. The clothes-processing apparatus may have a cabinet defining an external appearance of the apparatus. The clothes-processing apparatus may also have a tub body provided inside the cabinet to accommodate water. Further, the clothes-processing apparatus may have a tub cover coupled to the tub body. The tub cover may have an opening through which laundry is introduced. The clothes-processing apparatus may have a drum rotatably provided inside the tub to accommodate laundry. The clothes-processing apparatus may also have a plurality of cleaning nozzles provided at the tub to spray the water toward a preset area of the drum. At least some of the plurality of cleaning nozzles may jet water at different spray angles.
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Patent Agency Ranking
公开(公告)号：US11323048B2
公开(公告)日：2022-05-03
申请号：US17087789
申请日：2020-11-03
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Chaseung Jun , Jaehoon Jeong , Sehwa Choe , Wookjin Lee
Abstract: A device for driving a plurality of motors and an electric apparatus includes a first and a second capacitor, an inverter connected to a DC terminal, a multi-phase motor connected to the inverter, a single-phase motor serially connected with the multi-phase motor, and a controller configured to control the inverter. For starting the single phase motor during operation of the multi-phase motor, the controller is configured to perform, during an alignment period, an alignment of a rotor of the single-phase motor and perform, during a voltage compensation period, a voltage compensation for compensating a voltage change of a DC terminal neutral point between the first capacitor and the second capacitor based on the alignment of the rotor of the single-phase motor.
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公开(公告)号：US11128242B2
公开(公告)日：2021-09-21
申请号：US16830478
申请日：2020-03-26
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Chaseung Jun
Abstract: A motor driving device controls a three-phase motor and a single-phase motor to operate in parallel. The motor driving device includes a dc terminal in which an upper and a lower DC-link capacitor are located. The motor driving device also includes a neutral terminal disposed between the upper and lower DC-link capacitors. The motor driving device includes an inverter that includes three pairs of upper switching elements and lower switching elements. Two pairs of upper switching elements and lower switching elements among three pairs are connected to a-phase terminal and b-phase terminal of the three-phase motor, respectively. The other pair of upper switching elements and lower switching elements among three pairs is connected to a first terminal of the single-phase motor. The neutral terminal is connected to c-phase terminal of the three-phase motor and a second terminal of the single-phase motor.
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公开(公告)号：US10364521B2
公开(公告)日：2019-07-30
申请号：US15282798
申请日：2016-09-30
Applicant: LG ELECTRONICS INC.
Inventor： Sangheon Lee , Heakyung Yoo , Deokkyu Kim , Sunku Kwon , Jaewon Chang , Byungkeol Choi , Hyojun Kim , Sunho Lee , Bonkwon Ko , Hangil Park
Abstract: The present invention relates to an operation method of a washing machine for controlling the rotation of a pulsator to enhance cleaning performance, there is provided a method of operating a washing machine having a pulsator rotatably provided in a tub, and the method may include a first cleaning mode having a first process of rotating the pulsator in one direction at a first angle and then rotating it in the other direction at a second angle around the rotation shaft; and a second process of rotating the pulsator in the one direction at a third angle and then rotating it in the other direction at a fourth angle around the rotation shaft, wherein the first angle is greater than the third angle, and the second angle is greater than the fourth angle, and the second angle is greater than the third angle.
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公开(公告)号：US10125444B2
公开(公告)日：2018-11-13
申请号：US15065965
申请日：2016-03-10
Applicant: LG ELECTRONICS INC.
Inventor： Inhyouk Seo , Youngho Kim , Sunku Kwon , Changsik Kim , Youngkee Oh
Abstract: A control method for a laundry treatment apparatus, where the laundry treatment apparatus includes a first reservoir for holding water and defining a first opening for introduction of laundry, a second reservoir placed inside the first reservoir, the second reservoir being rotatable about a rotation axis perpendicular to a bottom surface of the first reservoir and defining a second opening that is positioned under the first opening, a through-hole that is defined in the second reservoir, a spray unit for spraying water to an inside of the second reservoir, and a drain unit for draining water inside the first reservoir, includes rotating the second reservoir to thereby apply force on laundry received in the second reservoir, spraying water to the inside of the second reservoir via the spray unit, and discharging the sprayed water in the second reservoir to an outside of the first reservoir via the drain unit.
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公开(公告)号：US09725839B2
公开(公告)日：2017-08-08
申请号：US14185645
申请日：2014-02-20
Applicant: LG ELECTRONICS INC.
Inventor： Sunku Kwon , Deokmin Kim , Bonkwon Koo , Sunho Lee
CPC classification number: D06F37/36 , D06F33/02 , D06F35/005 , D06F2202/12 , D06F2204/065 , D06F2204/084 , D06F2204/086
Abstract: The present invention relates to a method for controlling a laundry treating apparatus including a first course for rotating washing water and laundry which are loaded in a drum, in a state where a drainage pump is off and a first spinning course for eliminating water elements from the laundry loaded in the drum after the first course, accelerating the drum, wherein the first spinning course comprises a preparing course for rotating the drum, in a state where the drainage pump is off and a drainage course for draining the washing water inside the drum, in a state where the drainage pump is off.
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