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    • 5. 发明公开
    • ENHANCED VAPOR INJECTION AIR CONDITIONING SYSTEM
    • 增强蒸气注射式空调系统
    • EP3187789A1
    • 2017-07-05
    • EP16826276.4
    • 2016-07-04
    • GD Midea Heating & Ventilating Equipment Co., Ltd.
    • LI, HongweiXU, YongfengZHANG, GuangpengLIANG, BoqiJIANG, YunpengBU, QihuiDONG, ShilongWU, Xiaohong
    • F24F1/10F24F1/16F25B1/06F25B41/04
    • F25B13/00F24F1/10F24F1/16F25B1/06F25B1/08F25B40/02F25B41/04F25B2341/0661F25B2400/13F25B2400/23
    • An enhanced vapor injection air conditioning system (100) is provided and includes: a vapor injection compressor (1), a direction switching assembly (2), a first outdoor heat exchanger (3), a second outdoor heat exchanger (4) including first and second heat-exchange flow passages (41, 42), and an auxiliary electronic expansion valve assembly. A main electronic expansion valve assembly is connected between a first end (411) of the first heat-exchange flow passage and a second end (32) of the first outdoor heat exchanger. The auxiliary electronic expansion valve assembly has a first end connected with an inlet of the second heat-exchange flow passage (42), and a second end connected to a second end (412) of the first heat-exchange flow passage or between the main electronic expansion valve assembly and the first heat-exchange flow passage (41). A ratio DB of a sum of a caliber of the main electronic expansion valve assembly to that of the auxiliary electronic expansion valve assembly has a value range of 1≤DB≤7.
    • 本发明提供一种增强型蒸汽喷射空调系统(100),其包括:蒸汽喷射压缩机(1),方向切换组件(2),第一室外热交换器(3),第二室外热交换器(4) 和第二热交换流动通道(41,42)以及辅助电子膨胀阀组件。 主电子膨胀阀组件连接在第一热交换流动通道的第一端(411)和第一室外热交换器的第二端(32)之间。 辅助电子膨胀阀组件具有与第二热交换流动通道(42)的入口连接的第一端和与第一热交换流动通道的第二端(412)连接的第二端或位于第一热交换流动通道 电子膨胀阀组件和第一热交换流动通道(41)。 主电子膨胀阀组件的口径与辅助电子膨胀阀组件的口径之和的比值DB具有1≤DB≤7的值范围。
    • 9. 发明公开
    • Expansion valve and refrigerating system
    • 膨胀阀和制冷系统
    • EP0775877A2
    • 1997-05-28
    • EP96111188.7
    • 1996-07-11
    • Fujikoki Corporation
    • Fujimoto, MitsuyaWatanabe, Kazuhiko
    • F25B1/06
    • F25B41/062F25B2500/01
    • An expansion valve comprises an orifice 30 formed in a valve body 10 and a valve member 9 fixed to a movable member 18. Movement of a diaphragm 4 is transmitted to an actuating rod 17 via a member 16, and the actuating rod 17 actuates the movable member 18 to control the opening rate of the path between the valve member 9 and the orifice 30. A seat nut member 100 affixed to the orifice 30 has a large-diameter hole 108 and a small-diameter hole 110 directly communicating with each other. Hot pressurized refrigerant introduced into the large-diameter hole 108 heats a seat portion at the exit of the large-diameter hole, and prevents moisture in the refrigerant from freezing there.
    • 膨胀阀包括形成在阀体10中的孔30和固定到可动构件18的阀构件9.膜片4的运动经构件16传递到致动杆17,并且致动杆17致动可动构件 以控制阀构件9与孔30之间的路径的开口率。固定到孔30的座圈螺母构件100具有彼此直接连通的大直径孔108和小直径孔110。 被导入大径孔108的热压制冷剂对大径孔的出口处的座部进行加热,防止制冷剂中的水分冻结。