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    • 3. 发明申请
    • EJECTOR CYCLE
    • 推杆循环
    • WO2012074578A2
    • 2012-06-07
    • PCT/US2011/045004
    • 2011-07-22
    • CARRIER CORPORATIONWANG, JinliangVERMA, ParmeshCOGSWELL, Frederick, J.
    • WANG, JinliangVERMA, ParmeshCOGSWELL, Frederick, J.
    • F25B1/04
    • F25B9/008F04D7/00F25B9/08F25B41/00F25B2309/061F25B2341/0011F25B2341/0014F25B2341/0015F25B2400/0407F25B2400/0409F25B2400/23
    • A system (20) has a first compressor (22) and a second compressor (52). A heat rejection heat exchanger (30) is coupled to the first and second compressors to receive refrigerant compressed by the compressors. The system includes an economizer for receiving refrigerant from the heat rejection heat exchanger and reducing an enthalpy of a first portion of the received refrigerant while increasing an enthalpy of a second portion. The second portion is returned to the compressor. The ejector (66) has a primary inlet (70) coupled to the means to receive a first flow of the reduced enthalpy refrigerant. The ejector has a secondary inlet (72) and an outlet (74). The outlet is coupled to the first compressor to return refrigerant to the first compressor. A first heat absorption heat exchanger (80) is coupled to the economizer to receive a second flow of the reduced enthalpy refrigerant and is upstream of the secondary inlet of the ejector. A second heat absorption heat exchanger (90) is between the outlet of the ejector and the first compressor.
    • 系统(20)具有第一压缩机(22)和第二压缩机(52)。 排热热交换器(30)联接到第一和第二压缩机以接收由压缩机压缩的制冷剂。 该系统包括用于接收来自排热换热器的制冷剂的经济器,并且在增加第二部分的焓的同时减小所接收的制冷剂的第一部分的焓。 第二部分返回到压缩机。 喷射器(66)具有主要入口(70),主要入口(70)耦合到用于接收还原焓制冷剂的第一流的装置。 喷射器具有第二入口(72)和出口(74)。 出口连接到第一压缩机以将制冷剂返回到第一压缩机。 第一吸热热交换器(80)联接至节能器以接收降低焓的制冷剂的第二流并且在喷射器的次级入口的上游。 第二吸热热交换器(90)位于喷射器的出口与第一压缩机之间。
    • 5. 发明申请
    • EJECTOR CYCLE
    • 喷射器循环
    • WO2012092686A1
    • 2012-07-12
    • PCT/CN2011/000002
    • 2011-01-04
    • CARRIER CORPORATIONCOGSWELL, Frederick, J.LIU, HongshengVERMA, ParmeshFINCKH, Oliver, H.
    • COGSWELL, Frederick, J.LIU, HongshengVERMA, ParmeshFINCKH, Oliver, H.
    • F25B5/02F25B9/08
    • F25B41/00F25B1/10F25B41/043F25B2309/061F25B2341/0012F25B2341/0662F25B2400/13F25B2400/23F25B2500/31F25B2600/2519
    • A system (200; 300; 400; 500; 600) has a compressor (22; 200, 221). A heat rejection heat exchanger (30)is coupled to the compressor to receive refrigerant compressed by the compressor. An ejector (38) has a primary inlet (40) coupled to the heat rejection heat exchanger to receive refrigerant, a secondary inlet (42), and an outlet (44). A separator (48) has an inlet (50) coupled to the outlet of the ejector to receive refrigerant from the ejector, a gas outlet (54), and a liquid outlet (52). One or more valves (244, 246, 248, 250) are positioned to allow switching of the system between first and second modes. In the first mode: refrigerant passes from the heat rejection heat exchanger, through the ejector primary inlet, out the ejector outlet, to the separator; a first flow from the separator gas outlet passes through the compressor to the heat rejection heat exchanger; and a second flow from the separator liquid outlet passes through a heat absorption heat exchanger (64) and through the ejector secondary port. In the second mode: refrigerant passes from the heat rejection heat exchanger to the separator; a first flow from the separator gas outlet passes to the compressor; and a second flow from the separator liquid outlet passes through the heat absorption heat exchanger to the compressor.
    • 系统(200; 300; 400; 500; 600)具有压缩机(22; 200,221)。 排热热交换器(30)联接到压缩机以接收由压缩机压缩的制冷剂。 喷射器(38)具有联接到排热热交换器以接收制冷剂的第一入口(40),次级入口(42)和出口(44)。 分离器(48)具有联接到喷射器的出口的入口(50),以从喷射器接收制冷剂,气体出口(54)和液体出口(52)。 定位一个或多个阀(244,246,248,250)以允许系统在第一和第二模式之间切换。 在第一模式中:制冷剂从排热热交换器通过喷射器主入口从喷射器出口流到分离器; 来自分离器气体出口的第一流动通过压缩机到排热热交换器; 并且来自分离器液体出口的第二流动通过吸热式热交换器(64)并通过喷射器二次端口。 在第二模式中:制冷剂从排热热交换器通过分离器; 来自分离器气体出口的第一流量传递到压缩机; 并且来自分离器液体出口的第二流动通过吸热热交换器到达压缩机。
    • 9. 发明申请
    • EJECTOR CYCLE
    • 喷射器循环
    • WO2012012493A2
    • 2012-01-26
    • PCT/US2011/044623
    • 2011-07-20
    • CARRIER CORPORATIONVERMA, ParmeshRADCLIFF, Thomas, D.COGSWELL, Frederick, J.
    • VERMA, ParmeshRADCLIFF, Thomas, D.COGSWELL, Frederick, J.
    • F25B41/00
    • F25B1/06F25B1/10F25B40/00F25B41/00F25B2341/0011F25B2341/0015
    • A system (200; 250; 270) has first (220) and second (222) compressors, a heat rejection heat exchanger (30), first (38) and second (202) ejectors, a heat absorption heat exchanger (64), and a separator (48). The heat rejection heat exchanger is coupled to the second compressor to receive refrigerant compressed by the second compressor. The first ejector has a primary inlet (40) coupled to the heat rejection exchanger to receive refrigerant, a secondary inlet (42), and an outlet (44). The second ejector has a primary inlet (204) coupled to the heat rejection heat exchanger to receive refrigerant, a secondary inlet (206), and an outlet (208). The separator has an inlet (50) coupled to the outlet (44) of the first ejector to receive refrigerant from the first ejector. The separator has a gas outlet (54) coupled to the secondary inlet (206) of the second ejector via the first compressor (220) to deliver refrigerant to the second ejector. The separator has a liquid outlet (52) coupled to the secondary inlet (42) of the first ejector via the heat absorption heat exchanger to deliver refrigerant to the first ejector.
    • 系统(200; 250; 270)具有第一压缩机(220)和第二压缩机(222),排热热交换器(30),第一(38)和第二(202)喷射器,吸热热交换器(64) 和分离器(48)。 排热换热器与第二压缩机相连,以接收由第二压缩机压缩的制冷剂。 第一喷射器具有联接到排热换热器以接收制冷剂的主入口(40),次级入口(42)和出口(44)。 第二喷射器具有联接到排热热交换器以接收制冷剂的主入口(204),次入口(206)和出口(208)。 分离器具有联接到第一喷射器的出口(44)的入口(50),以从第一喷射器接收制冷剂。 分离器具有经由第一压缩机(220)联接到第二喷射器的次级入口(206)的气体出口(54),以将制冷剂输送到第二喷射器。 分离器具有经由吸热热交换器联接到第一喷射器的次级入口(42)的液体出口(52),以将制冷剂输送到第一喷射器。