公开(公告)号：US20250163634A1

公开(公告)日：2025-05-22

申请号：US18839538

申请日：2023-03-09

Applicant: LG ELECTRONICS INC.

Inventor： Joo Seong LEE ,  Yang Gyu KIM ,  Byung Ha CHOI ,  Jang Seok LEE

IPC: D06F43/08 ,  B01D5/00 ,  D06F43/02 ,  G05D16/20

Abstract: A laundry processing device performs a control method. The laundry processing device includes a washing tub, a distillation tank that stores liquid carbon dioxide discharged from the washing tub and gaseous carbon dioxide, a storage tank that stores liquid carbon dioxide generated by cooling gaseous carbon dioxide of the distillation tank and that stores gaseous carbon dioxide evaporated from the cooled liquid carbon dioxide, a compressor that suctions and discharges at least one of the gaseous carbon dioxide of the distillation tank or the gaseous carbon dioxide of the storage tank, a cooler that cools gaseous carbon dioxide discharged from the compressor, and a controller that monitors gas pressures inside the distillation tank and the storage tank.

公开(公告)号：US20250101669A1

公开(公告)日：2025-03-27

申请号：US18730999

申请日：2023-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Byung Ha CHOI ,  Jung Han KIM ,  Jang Seok LEE

IPC: D06F43/08

Abstract: Provided is a compression system including, in order to minimize an amount of oil mixed with a supplied refrigerant, a compressor configured to compress and discharge the refrigerant, a plurality of oil separators configured to separate the oil included in the refrigerant discharged from the compressor, and a refrigerant pipe configured to connect the compressor and the plurality of oil separators to form a travelling path of the refrigerant, and the plurality of oil separators are connected in series along the travelling path of the refrigerant.