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    • 64. 发明公开
    • REFRIGERATION CYCLE APPARATUS
    • KÄLTEKREISLAUFVORRICHTUNG
    • EP3121532A1
    • 2017-01-25
    • EP14885882.2
    • 2014-03-17
    • Mitsubishi Electric CorporationAsahi Glass Company, Limited
    • SHIMAZU, Yusuke
    • F25B1/00F25B43/00
    • F25B31/004F25B43/00F25B43/02F25B2313/0233F25B2400/13
    • An object of the present invention is to provide a safe and refrigeration cycle apparatus with good performance that can prevent refrigerant that may cause disproportionation from being placed under the condition of serial reactions even when the refrigerant is used for the refrigeration cycle apparatus.
      A refrigeration cycle apparatus in which working refrigerant is a zeotropic refrigerant mixture containing at least a first refrigerant and a second refrigerant having a higher boiling point than the first refrigerant at the same pressure, the refrigeration cycle apparatus including at least a main passage in which a compressor, a first heat exchanger, a first expansion valve, and a second heat exchanger are sequentially connected, the first refrigerant having a property of disproportionation, the first refrigerant having a smaller composition ratio in the compressor than a composition ratio of the first refrigerant passing through the main passage.
    • 本发明的目的是提供一种具有良好性能的安全和制冷循环装置,即使在制冷剂用于制冷循环装置时,也可以防止在串联反应条件下将歧化放置的制冷剂。 一种制冷循环装置,其中工作制冷剂是在相同压力下至少含有第一制冷剂和沸点高于第一制冷剂的第二制冷剂的非共沸冷冻剂混合物,所述制冷循环装置至少包括主通道, 压缩机,第一热交换器,第一膨胀阀和第二热交换器依次连接,第一制冷剂具有歧化性质,第一制冷剂在压缩机中的组成比小于第一制冷剂通过的组成比 通过主要通道。
    • 68. 发明公开
    • REFRIGERATION CYCLE DEVICE
    • 制冷循环装置
    • EP3098542A1
    • 2016-11-30
    • EP14877666.9
    • 2014-01-09
    • Mitsubishi Electric Corporation
    • KATO, YoheiSHIMAZU, YusukeYANACHI, SatoruOTSUBO, YusukeUCHINO, Shinichi
    • F25B11/02F25B1/00F25B43/02
    • F25B11/02F25B13/00F25B31/004F25B41/067F25B2313/02742F25B2341/0662F25B2400/13F25B2600/2519F25B2700/03F25B2700/2115F25B2700/21155
    • A refrigeration cycle apparatus includes a refrigerant circuit including a compressor (1), a condenser, an expander (3), and an evaporator, which are connected by pipes so that refrigerant is circulated therethrough. The expander (3) includes: an expander shell (34) defining an outer shell; an expansion unit (31) arranged in the expander shell (34) and configured to expand the refrigerant flowing out from the condenser to generate driving force, and configured for causing the expanded refrigerant to flow into the evaporator; and a power generator (32) arranged in the expander shell (34) and configured to rotate by the driving force generated by the expansion unit (31). The expander shell (34) includes: an inlet (41) configured for allowing the refrigerant to flow into the expander shell; and an outlet (42) configured for allowing the refrigerant flowing into the expander shell to flow into a suction-side pipe (21) of the compressor (1). The expander shell (34) is configured such that refrigerating machine oil (50) contained in the refrigerant is stored therein, and is supplied to at least one of the expansion unit (31) and the power generator (32).
    • 本发明提供一种制冷循环装置,该制冷循环装置具有制冷剂回路,该制冷剂回路具备压缩机(1),冷凝器,膨胀机(3)以及蒸发器,通过配管连接而使制冷剂循环。 膨胀器(3)包括:限定外壳的膨胀器壳体(34) 膨胀机构(31),其配置在膨胀机壳体(34)内,使从冷凝器流出的制冷剂膨胀并产生驱动力,使膨胀后的制冷剂流入蒸发器; 以及配置在该膨胀机壳体(34)内且通过由该膨胀机构(31)产生的驱动力而旋转的发电机(32)。 膨胀器壳体(34)包括:入口(41),其构造成用于允许制冷剂流入膨胀机壳体; 和流入膨胀机壳体的制冷剂流入压缩机(1)的吸入侧配管(21)的出口(42)。 膨胀机壳体34构成为收容在制冷剂中的冷冻机油50被供给到膨胀机组31和发电机32中的至少一方。