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公开(公告)号：US20150128660A1
公开(公告)日：2015-05-14
申请号：US14535595
申请日：2014-11-07
Applicant: LG ELECTRONICS INC.
Inventor： Hansu Jung , Jain Koo , Soongkeun Lee
CPC classification number: D06F37/304 , D06F33/02 , H02P6/182 , H02P6/21 , H02P21/34
Abstract: The laundry treatment machine includes an inverter to convert direct current (DC) voltage into alternating current (AC) voltage and to output the AC voltage to a motor. The laundry treatment machine includes an inverter controller to control the inverter to supply current corresponding to a direction opposite to back electromotive force generated from the motor to the motor so as to align the motor during a starting operation of the motor. It is feasible to rapidly align a rotor of the motor during the starting operation of the motor.
Abstract translation: 洗衣机包括将直流（DC）电压转换为交流（AC）电压并将AC电压输出到电动机的逆变器。 衣物处理机包括逆变器控制器，用于控制逆变器将与从电动机产生的反电动势相反的方向的电流提供给电动机，以便在电动机的起动操作期间对准电动机。 在马达的启动运行过程中，马达的转子快速对准是可行的。
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Patent Agency Ranking
公开(公告)号：US11639572B2
公开(公告)日：2023-05-02
申请号：US16778866
申请日：2020-01-31
Applicant: LG Electronics Inc.
Inventor： Suncheol Bae , Jain Koo , Baekeun Kwon
IPC: D06F33/48 , D06F33/44 , D06F37/20 , D06F103/26 , D06F103/24 , D06F37/04
Abstract: A washing machine includes a water storage tank, a vibration sensor provided to the water storage tank, a washing tub rotatably disposed in the water storage tank and configured to accommodate laundry therein, a motor configured to rotate the washing tub, and a controller. The controller is configured to: measure an unbalance (UB) value based on rotating the washing tub during a dewatering stroke; control the motor to stop rotating the washing tub based on the UB value exceeding an allowable UB value included in a preset UB table; measure a dewatering time of the laundry and a vibration value during the dewatering stroke using the vibration sensor; and change the allowable UB value included in the preset UB table based on the dewatering time and the vibration value.
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公开(公告)号：US09708744B2
公开(公告)日：2017-07-18
申请号：US14535595
申请日：2014-11-07
Applicant: LG ELECTRONICS INC.
Inventor： Hansu Jung , Jain Koo , Soongkeun Lee
CPC classification number: D06F37/304 , D06F33/02 , H02P6/182 , H02P6/21 , H02P21/34
Abstract: The laundry treatment machine includes an inverter to convert direct current (DC) voltage into alternating current (AC) voltage and to output the AC voltage to a motor. The laundry treatment machine includes an inverter controller to control the inverter to supply current corresponding to a direction opposite to back electromotive force generated from the motor to the motor so as to align the motor during a starting operation of the motor. It is feasible to rapidly align a rotor of the motor during the starting operation of the motor.
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公开(公告)号：US11542649B2
公开(公告)日：2023-01-03
申请号：US16984861
申请日：2020-08-04
Applicant: LG ELECTRONICS INC.
Inventor： Jain Koo
IPC: D06F33/47 , D06F34/05 , D06F34/28 , D06F34/14 , D06F103/28 , D06F105/44 , D06F105/58 , D06F101/20 , D06F105/54 , D06F23/02
Abstract: Disclosed are a washing machine and a control method thereof, capable of preventing occurrence of an accident related to a child or a pet being inside a washing tub. A washing machine according to an aspect of the present disclosure includes a concentration sensing part configured to a sense a concentration of a specific component in air measured inside or outside the washing tub, a controller configured to switch the door and the washing tub to a safe mode based on the concentration of the specific component sensed by the concentration sensing part, and a release signal detector configured to detect a release signal for switching the door and the washing tub, which have been switched to the safe mode by the controller, back to a normal mode.
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公开(公告)号：US11098427B2
公开(公告)日：2021-08-24
申请号：US16070720
申请日：2017-01-18
Applicant: LG ELECTRONICS INC.
Inventor： Woonghyun Lee , Jain Koo , Suncheol Bae
Abstract: The laundry processing device according to the present invention comprises: a first washing unit for doing laundry; and a second washing unit having a washing space independent from the first washing unit and provided with a tub of a smaller capacity than the first washing unit, wherein the first washing unit comprises: a first display unit; a first laundry amount detecting unit for measuring the amount of laundry in the first washing unit; and a first control unit for displaying, on the first display unit, a guide message recommending use of the second washing unit if the amount of laundry measured by the first laundry amount detecting unit is less than a first set value. When the amount of laundry is relatively small, the user is induced to use the second washing unit, thereby reducing power consumption.
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公开(公告)号：US20200248357A1
公开(公告)日：2020-08-06
申请号：US16774240
申请日：2020-01-28
Applicant: LG Electronics Inc.
Inventor： Jain Koo
IPC: D06F33/48 , D06F34/16 , D06F33/40 , D06F34/08 , D06F103/24 , D06F103/46 , D06F105/48 , D06F103/26
Abstract: The present disclosure relates to a washing machine and a method for controlling the same. The washing machine according to an embodiment of the present disclosure includes a washing tub to accommodate clothes and rotatably installed, a motor to rotate the washing tub, and a control unit to control the motor to rotate the washing tub, wherein the control unit measures a plurality of types of data previously set while the washing tub accelerates from a first rotation velocity to a second rotation velocity which is faster than the first rotation velocity, inputs the plurality of types of data into a pre-learned artificial neural network as an input value and calculates an expected UB pattern as a result value, and controls the motor so that the washing tub is rotated in a preset manner based on a type of the calculated UB pattern.
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