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|1. (WO2018108056) REFRIGERATOR|
|Applicants:||QINGDAO HAIER JOINT STOCK CO., LTD
AQUA CO., LTD
A refrigerator (2) comprises: a storage space (10) comprising a refrigerating chamber (4) and a storage chamber (6); a machine chamber (12) dedicated to the refrigerator (2), and arranged outside the storage space (10); and an oxygen concentration adjustment device (20) configured to physically adsorbing oxygen from air to provide low-oxygen concentration air, and arranged in the machine chamber (12). An inlet of the oxygen concentration adjustment device (20) for the air to flow into is arranged at the refrigerating chamber (4), and an outlet of the oxygen concentration adjustment device (20) for the low-oxygen concentration air to flow out is arranged at the storage chamber (6).