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公开(公告)号：US20210254482A1
公开(公告)日：2021-08-19
申请号：US17171371
申请日：2021-02-09
Applicant: LG ELECTRONICS INC.
Inventor： Hanyoung PARK , Yoonjei HWANG , Junhyuk JANG
Abstract: The present disclosure relates to an impeller and a method of manufacturing the same. The impeller includes: a hub in which a plurality of spiral first slots are formed; a shroud which is positioned opposite the hub, and has a plurality of spiral second slots formed therein; and a plurality of blades which is coupled to the hub and the shroud, and have an upper protrusion formed on one side and a lower protrusion formed on the other side; and wherein the upper protrusion is inserted into and coupled to a second hole formed in the second slot, and the lower protrusion is inserted into and coupled to a first hole formed in the first slot.
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公开(公告)号：US20160238299A1
公开(公告)日：2016-08-18
申请号：US15045896
申请日：2016-02-17
Applicant: LG Electronics Inc.
Inventor： Horim LEE , Seulki ON , Jinhyuk YU , Yoonjei HWANG , Hanyoung PARK
CPC classification number: F25B49/02 , F24F13/04 , F25B1/053 , F25B1/10 , F25B25/005 , F25B31/004 , F25B31/008 , F25B43/003 , F25B2339/0242 , F25B2339/047 , F25B2400/04 , F25B2400/0411 , F25B2400/06 , F25B2400/13 , F25B2400/23 , F25B2700/13 , F25B2700/151 , F25B2700/21171
Abstract: A chiller system and a control method thereof includes a plurality of chiller modules in which a refrigeration cycle is performed to supply cold water, a main control device generating an operation signal to simultaneously or successively operate the plurality of chiller modules, a module control device provided in each of the plurality of chiller modules to control an operation of each of the plurality of chiller modules on the basis of the operation signal of the main control device, and a starting device communicably connected to the module control device to selectively apply power into the plurality of chiller modules.
Abstract translation: 冷冻机系统及其控制方法包括多个冷水机组，其中进行制冷循环以供给冷水;主控制装置，其生成操作信号以同时或连续地操作多个冷却器模块;模块控制装置， 在所述多个冷却器模块的每一个中，基于所述主控制装置的操作信号来控制所述多个冷却器模块中的每一个的操作，以及可通信地连接到所述模块控制装置的起动装置，以选择性地将动力输入到 多个冷却器模块。
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Patent Agency Ranking
公开(公告)号：US20140216068A1
公开(公告)日：2014-08-07
申请号：US14094943
申请日：2013-12-03
Applicant: LG ELECTRONICS INC.
Inventor： Horim LEE , Seulki ON , Jinhyuk YU , Yoonjei HWANG , Hanyoung PARK
IPC: F25B49/02
CPC classification number: F25B49/02 , F24F13/04 , F25B1/053 , F25B1/10 , F25B25/005 , F25B31/004 , F25B31/008 , F25B43/003 , F25B2339/0242 , F25B2339/047 , F25B2400/04 , F25B2400/0411 , F25B2400/06 , F25B2400/13 , F25B2400/23 , F25B2700/13 , F25B2700/151 , F25B2700/21171
Abstract: A chiller system and a control method thereof includes a plurality of chiller modules in which a refrigeration cycle is performed to supply cold water, a main control device generating an operation signal to simultaneously or successively operate the plurality of chiller modules, a module control device provided in each of the plurality of chiller modules to control an operation of each of the plurality of chiller modules on the basis of the operation signal of the main control device, and a starting device communicably connected to the module control device to selectively apply power into the plurality of chiller modules.
Abstract translation: 冷冻机系统及其控制方法包括多个冷水机组，其中进行制冷循环以供给冷水;主控制装置，其生成操作信号以同时或连续地操作多个冷却器模块;模块控制装置， 在所述多个冷却器模块的每一个中，基于所述主控制装置的操作信号来控制所述多个冷却器模块中的每一个的操作，以及可通信地连接到所述模块控制装置的起动装置，以选择性地将动力输入到 多个冷却器模块。
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公开(公告)号：US20210254876A1
公开(公告)日：2021-08-19
申请号：US17172678
申请日：2021-02-10
Applicant: LG ELECTRONICS INC.
Inventor： Byoungjun JEON , Yoonjei HWANG , Kyeongseok OH
Abstract: A compressor according to an embodiment of the present disclosure includes: one or more impellers configured to draw in a refrigerant in an axial direction and to compress the refrigerant in a centrifugal direction; a rotating shaft, to which the impellers and a motor rotating the impellers are coupled; a thrust bearing supporting the rotating shaft; a bearing state sensor configured to detect surface roughness of the thrust bearing; and a controller configured to control the motor based on the surface roughness of the thrust bearing.
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公开(公告)号：US20160054034A1
公开(公告)日：2016-02-25
申请号：US14621063
申请日：2015-02-12
Applicant: LG ELECTRONICS INC.
Inventor： Hanyoung PARK , Yoonjei HWANG , Horim LEE
CPC classification number: F25B7/00 , F25B25/005 , F25B49/02 , F25B2339/047 , F25B2341/0662 , F25B2400/061 , F25B2400/13 , F25B2500/19 , F25B2700/05 , F25B2700/21 , F25B2700/21161 , F25B2700/21171
Abstract: A chiller system is provided. The chiller system may include a plurality of chillers, each of which may include a compressor, a condenser, and an evaporator, and a controller that controls the plurality of chillers. The controller may determine an expected load and a chiller to be operated of the plurality of chillers on the basis of the determined expected load to operate the determined chiller.
Abstract translation: 提供冷却器系统。 冷却器系统可以包括多个冷却器，每个冷却器可以包括压缩机，冷凝器和蒸发器，以及控制多个冷却器的控制器。 控制器可以基于确定的预期负载来确定要运行的多个冷却器的预期负载和冷却器以操作所确定的冷却器。
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公开(公告)号：US20210262479A1
公开(公告)日：2021-08-26
申请号：US17173586
申请日：2021-02-11
Applicant: LG ELECTRONICS INC.
Inventor： Hanyoung PARK , Yoonjei HWANG
IPC: F04D27/02 , F04D27/00 , F04D29/048 , F04D29/041
Abstract: A compressor according to an embodiment of the present disclosure vibrates a rotating shaft or changes an operating frequency of a motor, in response to a vibration frequency of a discharge passage falling outside a normal range.
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公开(公告)号：US20150338160A1
公开(公告)日：2015-11-26
申请号：US14621178
申请日：2015-02-12
Applicant: LG ELECTRONICS INC.
Inventor： Hanyoung PARK , Yoonjei HWANG , Horim LEE
CPC classification number: F25D31/002 , F24F3/06 , F25B41/00 , F25B49/02 , F25D17/02
Abstract: A turbo chiller and a chiller system are disclosed. The turbo chiller includes a compressor including an impeller for compressing a refrigerant and a motor for driving the impeller, a condenser configured to perform heat exchange between condensed water and the refrigerant introduced from the compressor, an evaporator configured to perform heat exchange between chilled water and the refrigerant discharged from the condenser, and an expansion valve disposed between the condenser and the evaporator. The compressor, the evaporator and the condenser are arranged to be stacked in a predetermined direction.
Abstract translation: 公开了涡轮式制冷机和冷却器系统。 涡轮式制冷机包括：压缩机，包括用于压缩制冷剂的叶轮和用于驱动叶轮的电动机;冷凝器，被配置为执行冷凝水与从压缩机引入的制冷剂之间的热交换;蒸发器，被配置为进行冷冻水和 从冷凝器排出的制冷剂和设置在冷凝器和蒸发器之间的膨胀阀。 压缩机，蒸发器和冷凝器被布置成沿预定方向堆叠。
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