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公开(公告)号：US20240204700A1
公开(公告)日：2024-06-20
申请号：US18485818
申请日：2023-10-12
申请人： LG Electronics Inc.
发明人： Bohwan SEO , Daejoong KIM , Daihyun KIM
IPC分类号： H02P3/22 , D06F33/46 , D06F33/47 , D06F34/08 , D06F39/30 , H02K11/33 , H02M1/00 , H02P27/08 , D06F103/46
CPC分类号： H02P3/22 , D06F33/46 , D06F33/47 , D06F34/08 , D06F39/30 , H02K11/33 , H02M1/0009 , H02P27/085 , D06F2103/46 , H02P2201/13
摘要： A motor driving device includes a direct current (DC) link capacitor configured to store DC power, and an inverter configured to convert the DC power stored in the DC link capacitor into AC power and supply the AC power to a motor. The motor driving device includes a shunt resistor configured to sense current flowing through the inverter and detect whether the current has reached threshold current for controlling a regenerative voltage during a braking operation. A control unit is configured to control an operation of the inverter and perform a regenerative operation when the braking operation is started. The control unit, during the regenerative operation, switches motive power of a drum connected to the motor into regenerative energy and transmit the regenerative energy to the DC link capacitor, by controlling active component current and reactive component current together in response to the reaching of the threshold current.
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公开(公告)号：US20230243080A1
公开(公告)日：2023-08-03
申请号：US17591842
申请日：2022-02-03
发明人： Myunggeon Chung , Wonshik Choi , Youn-Ki Min
CPC分类号： D06F33/46 , D06F34/18 , D06F37/12 , D06F2103/04
摘要： A laundry treatment appliance includes a cabinet; a wash tub provided within the cabinet, the wash tub comprising an axial column, the axial column configured to receive multiple wash baskets stacked axially; and a controller provided within the cabinet. The controller is configured for receiving wash cycle requests from a plurality of unique users, each of the wash cycle requests having a corresponding set of wash parameters; matching a first unique user and a second unique user from the plurality of unique users according to the corresponding set of wash parameters; determining a first individual cost for the first unique user and a second individual cost for the second unique user; receiving a confirmation from each of the first and second unique users; and generating a joint washing operation in accordance with the set of washing parameters.
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公开(公告)号：US20210310171A1
公开(公告)日：2021-10-07
申请号：US17214995
申请日：2021-03-29
摘要： A method of laundering fabric including: (a) calculating a final amount of water to be added to a final wash bath; (b) calculating the amount of energy needed to heat this final amount of water to a desired final temperature; (c) contacting an amount of water that is less than the final amount water with fabric to form an intermediate wash bath, wherein a detergent composition is contacted to the fabric during the formation of the intermediate wash bath, or prior to the formation of the intermediate wash bath; (d) heating the water that contacts the fabric during (c) with the energy calculated in (b) such that the intermediate wash bath has a temperature above the desired final temperature; (e) washing the fabric in the intermediate wash bath for at least 3 minutes; (f) contacting the remaining amount of water to the intermediate wash bath to form the final wash bath having the desired final temperature; (g) washing the fabric in the final wash bath for at least 5 minutes; and (h) rinsing the fabric.
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公开(公告)号：US11739459B2
公开(公告)日：2023-08-29
申请号：US16749230
申请日：2020-01-22
申请人： LG ELECTRONICS INC.
发明人： Youngseok Lim
IPC分类号： D06F34/10 , D06F34/08 , D06F33/42 , H02P27/08 , H02M7/5387 , D06F105/08 , D06F33/46 , D06F39/08 , H02P23/00
CPC分类号： D06F34/10 , D06F33/42 , D06F34/08 , D06F33/46 , D06F39/085 , D06F2105/08 , H02M7/53871 , H02P23/0004 , H02P27/08
摘要： Provided is a laundry treatment machine including a washing tub, a washing tub motor configured to rotate the washing tub, a drain pump configured to operate to drain the washing tub, a motor configured to operate the drain pump, a converter configured to output DC power, an inverter configured to convert the DC power, a dc terminal voltage detector configured to detect a dc terminal voltage output from the converter, and a controller configured to, when the dc terminal voltage continuously drops during a first period based on an operation of the inverter, perform control to turn off the inverter and operate the converter after the first period. Accordingly, it is possible to stably drive based on the dc terminal voltage during the operation of the drain pump.
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公开(公告)号：US11668038B2
公开(公告)日：2023-06-06
申请号：US17214995
申请日：2021-03-29
IPC分类号： D06F33/36 , D06F33/46 , D06F105/10 , D06F103/04 , D06F103/06 , D06F34/18 , D06F105/02
CPC分类号： D06F33/36 , D06F33/46 , D06F34/18 , D06F2103/04 , D06F2103/06 , D06F2105/02 , D06F2105/10
摘要： A method of laundering fabric including: (a) calculating a final amount of water to be added to a final wash bath; (b) calculating the amount of energy needed to heat this final amount of water to a desired final temperature; (c) contacting an amount of water that is less than the final amount water with fabric to form an intermediate wash bath, wherein a detergent composition is contacted to the fabric during the formation of the intermediate wash bath, or prior to the formation of the intermediate wash bath; (d) heating the water that contacts the fabric during (c) with the energy calculated in (b) such that the intermediate wash bath has a temperature above the desired final temperature; (e) washing the fabric in the intermediate wash bath for at least 3 minutes; (f) contacting the remaining amount of water to the intermediate wash bath to form the final wash bath having the desired final temperature; (g) washing the fabric in the final wash bath for at least 5 minutes; and (h) rinsing the fabric.
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公开(公告)号：US11129514B2
公开(公告)日：2021-09-28
申请号：US16494352
申请日：2018-03-12
申请人： ORBITAL SYSTEMS AB
发明人： Michael Ridell
IPC分类号： D06F33/48 , A47L15/44 , D06F34/22 , A47L15/42 , D06F33/46 , D06F103/20 , D06F105/00 , D06F105/52 , D06F39/00
摘要： The present inventive concept relates to a device (500) utilizing water for a group of cleaning procedures, wherein each cleaning procedure (100) in the group of cleaning procedures comprises a plurality of cleaning phases (102, 104, 106, 108) each using cleaning phase water having a substance content with respect to a number of substances, wherein the device (500) comprises a sensor arrangement (554) configured to determine a first substance content (110) with respect to at least one of the number of substances in first cleaning phase water from a first cleaning phase (102) being part of the plurality of cleaning phases (102, 104, 106, 108); wherein the device (500) is configured to end the first cleaning phase (102) if a pre-determined condition related to the first substance content (110) and associated with the first cleaning phase (102) has been met.
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公开(公告)号：US10801150B2
公开(公告)日：2020-10-13
申请号：US15854323
申请日：2017-12-26
发明人： Min-Ji Kang , Kyoung Tae Park , Hyun Sook Kim , Hyeon Cheol Kim , Jung Ran Jung , Eun-Young Park , Dong-Il Back , Jun-Young Choi
摘要： A washing machine and a method for controlling the same are disclosed. The washing machine includes a plurality of washing devices, each of which includes a heater. Based on a target temperature of wash water heated by one heater of any one of the washing devices, the washing machine changes a target temperature setting environment of wash water heated by the remaining heater. The washing machine includes a first heater to heat wash water stored in a first tub, a second heater to heat wash water stored in a second tub, a control panel to provide a target temperature setting menu for setting a target temperature of the wash water stored in the first tub, and a controller to drive the first heater and the second heater. The controller changes the target temperature setting menu supplied from the control panel in response to the second target temperature.
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公开(公告)号：US20240271349A1
公开(公告)日：2024-08-15
申请号：US18436523
申请日：2024-02-08
发明人： Byeongwon BAE , Kyoungtae PARK , Eunsuk BANG , Changju OH , Sangyeol LEE , Jiyu LEE
IPC分类号： D06F34/32 , D06F33/34 , D06F33/36 , D06F33/38 , D06F33/46 , D06F34/04 , D06F34/18 , D06F101/20 , D06F103/04 , D06F103/18 , D06F105/02 , D06F105/46 , D06F105/58
CPC分类号： D06F34/32 , D06F33/34 , D06F33/36 , D06F33/38 , D06F33/46 , D06F34/04 , D06F34/18 , D06F2101/20 , D06F2103/04 , D06F2103/18 , D06F2105/02 , D06F2105/46 , D06F2105/58
摘要： A method of displaying washing information and a washing machine are provided. The washing machine includes a washing module, a water level sensor configured to detect a water level, a display, memory, and one or more processors communicatively coupled to the washing module, the water level sensor, the display, and the memory, wherein the memory store one or more computer programs including computer-executable instructions that, when executed by the one or more processors, cause the washing machine to control, based on a user input for starting washing, the washing module to introduce water into the washing machine, determine, based on a water level frequency of the water level sensor, an amount of the water introduced into the washing machine, accumulate the determined amount of water as at least one cycle of the washing progresses, display, based on completion of the washing, on the display, the accumulated amount of water as water usage during the washing.
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公开(公告)号：US11970809B2
公开(公告)日：2024-04-30
申请号：US17591842
申请日：2022-02-03
发明人： Myunggeon Chung , Wonshik Choi , Youn-Ki Min
IPC分类号： D06F33/46 , D06F34/18 , D06F37/12 , D06F103/04
CPC分类号： D06F33/46 , D06F34/18 , D06F37/12 , D06F2103/04
摘要： A laundry treatment appliance includes a cabinet; a wash tub provided within the cabinet, the wash tub comprising an axial column, the axial column configured to receive multiple wash baskets stacked axially; and a controller provided within the cabinet. The controller is configured for receiving wash cycle requests from a plurality of unique users, each of the wash cycle requests having a corresponding set of wash parameters; matching a first unique user and a second unique user from the plurality of unique users according to the corresponding set of wash parameters; determining a first individual cost for the first unique user and a second individual cost for the second unique user; receiving a confirmation from each of the first and second unique users; and generating a joint washing operation in accordance with the set of washing parameters.
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公开(公告)号：US11680350B2
公开(公告)日：2023-06-20
申请号：US17551466
申请日：2021-12-15
申请人： LG Electronics Inc.
发明人： Myunghun Im , Hwanjin Jung , Jaehyun Kim , Junghoon Lee , Kyungchul Woo
IPC分类号： D06F33/00 , D06F33/34 , D06F33/37 , D06F33/46 , D06F37/14 , D06F39/02 , D06F39/08 , D06F105/06 , D06F105/48
CPC分类号： D06F33/46 , D06F33/00 , D06F33/34 , D06F33/37 , D06F37/145 , D06F39/02 , D06F39/085 , D06F2105/06 , D06F2105/48
摘要： A method of controlling a washing machine. The washing machine includes a tub configured to receive water, a drum rotatably disposed in the tub, a volute pump including (i) an impeller configured to rotate in one or more directions to pump water discharged from the tub and (ii) a pump housing that defines a volute-shaped passage configured to guide water pumped by the impeller, and a circulating water supply device configured to supply water discharged from an outlet port of the volute pump into the drum. The method includes: supplying water and detergent into the tub; and rotating the impeller of the volute pump in a first direction to discharge a first amount of water from the volute pump, the first amount of water being less than a second amount of water discharged from the volute pump based on the impeller being rotated in a second direction.
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