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公开(公告)号:US11988430B2
公开(公告)日:2024-05-21
申请号:US17993960
申请日:2022-11-24
发明人: Jie Guo , Sheng He , Chang Liu , Xiuling Li
CPC分类号: F25B49/022 , F25B9/002 , F25B9/10 , F25B2400/061 , F25B2600/0253 , F25B2600/13 , F25B2700/2104 , F25B2700/2106
摘要: An air conditioning unit includes: a first refrigeration system including a first evaporator, a first compressor, a first condenser, a first one-way valve, and a first throttling element connected in sequence in a loop as well as a second one-way valve connected in parallel with the first compressor, and a first fluorine pump connected in parallel with the first one-way valve; and a second refrigeration system including a second evaporator, a second compressor, a second condenser, a third one-way valve, and a second throttling element connected in sequence in a loop as well as a fourth one-way valve connected in parallel with the second compressor, and a second fluorine pump connected in parallel with the third one-way valve, where the first evaporator and the second evaporator are arranged front and rear in sequence along a return air cooling duct.