公开(公告)号：US11680740B2

公开(公告)日：2023-06-20

申请号：US17067042

申请日：2020-10-09

Applicant: LG Electronics Inc.

Inventor： Eungsu Kim ,  Eunjun Cho ,  Sungheon Ryu ,  Jusang Kim

IPC: F25B49/02 ,  F25B41/40 ,  F25B41/22 ,  F25B39/00 ,  F25B40/02

CPC classification number: F25B49/02 ,  F25B39/00 ,  F25B40/02 ,  F25B41/22 ,  F25B41/40 ,  F25B2400/0409 ,  F25B2400/23 ,  F25B2600/2515 ,  F25B2700/13 ,  F25B2700/2106 ,  F25B2700/2115 ,  F25B2700/2116

Abstract: Provided is a gas-liquid separator, including a connection pipe connected to a refrigerant pipe in the evaporator, the refrigerant pipe in which a two-phase refrigerant flows, a header connected to the connection pipe, wherein a gas refrigerant separated from the two-phase refrigerant flows inside the header, a bypass pipe connected to the header to guide a flow of the gas refrigerant to a compressor, a flow rate control valve installed at the bypass pipe, and a controller configured to control opening and closing of the flow rate control valve based on whether a preset condition is satisfied.