Invention Grant
- Patent Title: Multi-air conditioner for heating and cooling operations
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Application No.: US17491603Application Date: 2021-10-01
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Publication No.: US11761697B2Publication Date: 2023-09-19
- Inventor: Hyungjoon Kim , Junseong Park , Daehyoung Kim , Yongcheol Sa
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: KED & ASSOCIATES
- Priority: KR 20200127983 2020.10.05
- Main IPC: F25B49/02
- IPC: F25B49/02 ; F25B13/00 ; F25B31/00 ; F25B43/02

Abstract:
A multi-air conditioner for heating/cooling operations, including at least one indoor unit for heating/cooling operations including an indoor heat exchanger; and an outdoor unit for heating/cooling operations including a compressor, an outdoor heat exchanger, and a switching unit configured to be disposed in a discharge side of the compressor to switch a flow of refrigerant. The outdoor unit includes a receiver that selectively stores refrigerant or oil according to a cooling or heating operation mode and provides the stored refrigerant or oil to the compressor. Accordingly, in the accumulator of the multi-air conditioner using the receiver, the receiver which is not used in the heating mode may be converted and used for oil storage, thereby preventing oil burnout without adding structure.
Public/Granted literature
- US20220107126A1 MULTI-AIR CONDITIONER FOR HEATING AND COOLING OPERATIONS Public/Granted day:2022-04-07
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