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公开(公告)号：US10316449B2
公开(公告)日：2019-06-11
申请号：US15559620
申请日：2016-03-18
Applicant: LG ELECTRONICS INC.
Inventor： Mingyu Jo , Seungchul Park , Dongwon Kim
Abstract: The present invention relates to a washing machine which comprises: a cabinet having a first insertion hole; a tub provided in the cabinet and having a second insertion hole aligned with the first insertion hole; a cabinet door provided to the cabinet, for opening and closing the first insertion hole; a tub door provided to the tub, for opening and closing the second insertion hole; a hinge unit for elastically supporting the tub door in the opening direction of the second insertion hole; and an antifriction member provided on one surface among the surfaces where the tub door and the cabinet door face each other, for preventing a direct friction between the tub door and the cabinet door. Accordingly, the present invention prevents the vibration and noise from the tub from being transmitted to the cabinet and may increase the capacity of the tub. In addition, when opened and closed, the cabinet door for opening and closing the cabinet and the tub door for opening and closing the tub operate in association with each other, thereby being capable of giving convenience to a user.
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公开(公告)号：US10100454B2
公开(公告)日：2018-10-16
申请号：US15100515
申请日：2016-03-24
Applicant: LG ELECTRONICS INC.
Inventor： Mingyu Jo , Sungmin Kim , Seungjoon Kim , Seungchul Park
IPC: D06F37/22
Abstract: Disclosed is a laundry treatment apparatus including a cabinet defining an external appearance of the laundry treatment apparatus, a drum rotatably provided inside the cabinet, the drum being configured to accommodate laundry therein, a drive unit configured to generate torque required to rotate the drum, a power transmission unit provided on one surface of the drum, the power transmission unit being configured to transmit the torque generated by the drive unit to the drum so as to rotate along with the drum, and at least one balancer provided on an inner circumferential surface of the drum. Water is selectively supplied into the balancer so as to eliminate unbalance occurring in the drum, and the balancer has a shorter length than a longitudinal length of the drum.
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公开(公告)号：US10100457B2
公开(公告)日：2018-10-16
申请号：US15147147
申请日：2016-05-05
Applicant: LG ELECTRONICS INC.
Inventor： Mingyu Jo , Seungchul Park , Dongwon Kim
Abstract: A washing machine includes a cabinet that defines a first introduction port. The washing machine further includes a tub that is located in the cabinet and that defines a second introduction port that is concentrically positioned relative to the first introduction port. The washing machine further includes a cabinet door that is connected to the cabinet and that is configured to open and close the first introduction port. The washing machine further includes a tub door that is hingedly coupled to the tub, that is configured to open and close the second introduction port, and that includes an upper portion that is inclined toward the tub.
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公开(公告)号：US09951458B2
公开(公告)日：2018-04-24
申请号：US15048602
申请日：2016-02-19
Applicant: LG ELECTRONICS INC.
Inventor： Mingyu Jo , Seungchul Park , Dongwon Kim
CPC classification number: D06F37/28 , D06F37/22 , D06F37/267 , D06F39/12 , D06F39/14
Abstract: A washing machine is disclosed. The washing machine includes a cabinet having a first introduction port, a tub, which is disposed in the cabinet and which has a second introduction port concentrically positioned with respect to the first introduction port, a cabinet door mounted on the cabinet so as to open and close the first introduction port, a tub door mounted on the tub so as to open and close the second introduction port, and a lock-releasing unit for releasing the locked state of the tub door when the cabinet door is opened.
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公开(公告)号：US12247339B2
公开(公告)日：2025-03-11
申请号：US17787138
申请日：2020-12-17
Applicant: LG Electronics Inc.
Inventor： Seungjoon Kim , Jongryong Kim , Jekwang Choi , Seungchul Park
IPC: D06F33/48 , D06F33/40 , D06F33/42 , D06F103/24 , D06F103/26 , D06F105/08 , D06F105/48 , D06F105/62
Abstract: A method controls a garment processing device and includes rotating a drum inside a tub at a first rate, measuring a degree of imbalance of laundry while rotating the drum at the first rate, increasing the rate of rotation to a second rate based on a first measurement being less than or equal to a first reference value, rotating the drum at a second rate, measuring the degree of imbalance while rotating the drum at the second rate, stopping rotation of the drum based on a second measurement being less than or equal to a second reference value, accelerating the drum to a third rate higher than the second rate, thereby removing water from the garments, and stopping rotation of the drum based on the degree of imbalance of the drum becoming larger than an imbalance reference value that is set based on the second measured value.
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Patent Agency Ranking
公开(公告)号：US09957656B2
公开(公告)日：2018-05-01
申请号：US15048652
申请日：2016-02-19
Applicant: LG ELECTRONICS INC.
Inventor： Mingyu Jo , Seungchul Park , Dongwon Kim
CPC classification number: D06F37/28 , D06F37/22 , D06F37/267 , D06F39/12 , D06F39/14
Abstract: A washing machine including a cabinet having a first introduction port, a tub, which is provided in the cabinet and which has a second introduction port that is concentrically positioned with respect to the first introduction port, a cabinet door attached to the cabinet to open and close the first introduction port, a tub door attached to the tub to open and close the second introduction port, and a lock-releasing unit, which is attached to the cabinet to release a locked state of the cabinet door and the tub door.
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公开(公告)号：US09663889B2
公开(公告)日：2017-05-30
申请号：US14626420
申请日：2015-02-19
Applicant: LG ELECTRONICS INC.
Inventor： Keunjoo Kim , Jinwoong Kim , Seungchul Park
CPC classification number: D06F37/225 , D06F33/02 , D06F37/06 , D06F37/203 , D06F2222/00
Abstract: A laundry treating apparatus including a cabinet comprising a laundry introduction hole formed therein to introduce laundry, a drum rotatably provided in the cabinet, the drum comprising a drum introduction hole, formed in a front surface thereof, in communication with the laundry introduction hole, at least three main balancers provided in the drum defining a space where liquid is stored, the balancers being spaced apart at preset angle intervals with respect to a rotation axis of the drum, and a sub balancer provided at the drum to provide a circulation of the liquid, the sub balancer increasing load of the drum locally by flowing the liquid stored in the circulation passage to the lowest point of a drum rotation locus based on a rotation speed of the drum.
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公开(公告)号：US10513815B2
公开(公告)日：2019-12-24
申请号：US15522264
申请日：2015-06-08
Applicant: LG ELECTRONICS INC.
Inventor： Keunjoo Kim , Byungkeol Choi , Seungchul Park
Abstract: Provided is a control method for a laundry treating apparatus comprising: a drum in which laundry is stored; at least three balancers fixed to the drum and provided to be spaced from each other at the same angle with respect to the rotational center of the drum; front spaces provided in each balancer and positioned at the front of the drum; and rear spaces provided in each balancer and positioned at the rear of the drum, wherein the control method for the laundry treating apparatus comprises: a rear control step of supplying a liquid to at least one of the rear spaces so as to increase the weight of a quadrant (first target quadrant) positioned in the direction opposite to a quadrant, of a circumferential surface of the drum, to which a force causing unbalance is directed; and a front control step of supplying a liquid to at least one of the front spaces so as to increase the weight of a quadrant (second target quadrant) positioned in the direction opposite to the quadrant, of the circumferential surface of the drum, to which the force causing unbalance is directed.
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公开(公告)号：US10240273B2
公开(公告)日：2019-03-26
申请号：US15280105
申请日：2016-09-29
Applicant: LG ELECTRONICS INC.
Inventor： Mingyu Jo , Sungmin Kim , Seungjoon Kim , Seungchul Park
IPC: D06F37/24
Abstract: Disclosed is a laundry treatment apparatus including a balancer capable of active control. The laundry treatment apparatus includes a cabinet 1 with a laundry feeding hole formed therein, a tub 10 provided within the cabinet and for holding washing water, a drum 20 rotatably installed around a rotation axis which may be forward inclined within the tub for holding laundry, a driving unit 30 to rotate the drum, a balancer 110 disposed in the drum and having an internal space therein, wherein water is selectively introduced into the internal space of the balancer when the drum is rotated, a centrifugal channel device 140a disposed on the backside of the drum, rotated along with the drum, and having an opening portion formed toward a back direction so that water is supplied to the opening portion and guided into the internal space of the balancer, and a nozzle 180 disposed at the back of the drum, spaced apart from the drum, to spray water toward the opening portion.
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公开(公告)号：US11674251B2
公开(公告)日：2023-06-13
申请号：US16902434
申请日：2020-06-16
Applicant: LG Electronics Inc.
Inventor： Seungjoon Kim , Sungmin Kim , Jongryong Kim , Seungchul Park
IPC: D06F33/48 , D06F33/40 , D06F34/16 , D06F37/22 , D06F105/48 , D06F103/26 , D06F103/24
CPC classification number: D06F33/48 , D06F33/40 , D06F34/16 , D06F37/225 , D06F2103/24 , D06F2103/26 , D06F2105/48
Abstract: A control method of a laundry treating apparatus includes rotating a drum at a reference rotational speed that is lower or higher than a resonance rotational speed of the laundry treating apparatus; measuring the maximum displacements of tub front and rear surfaces and a phase difference between the maximum displacements during the rotation of the drum at the reference rotational speed; determining a front unbalance (UB) mass located in a drum front area, a rear UB mass located in a drum rear area, and an angle between the UB masses based on the maximum displacements and the phase difference; and accelerating a drum rotational speed to a target rotational speed that is higher than the reference rotational speed and the resonance rotational speed, when the front and rear UB masses are in a preset allowable mass range and an angle between the UB masses is in an allowable angle range.
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