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    • 3. 发明申请
    • Ejector
    • 喷射器
    • US20130277448A1
    • 2013-10-24
    • US13993207
    • 2011-01-04
    • Hongsheng LiuJiang ZouFrederick J. CogswellJinliang WangParmesh Verma
    • Hongsheng LiuJiang ZouFrederick J. CogswellJinliang WangParmesh Verma
    • F25B41/00
    • F25B41/00F04F5/461F25B49/02F25B2341/0012F25B2341/0013
    • An ejector (200; 300; 320; 340; 400; 430; 460; 480) has a primary inlet (40), a secondary inlet (42), and an outlet (44). A primary flowpath extends from the primary inlet (40) to the outlet (44) and a secondary flowpath extends from the secondary inlet (42) to the outlet (44), merging with the primary flowpath. A motive nozzle (100) surrounds the primary flowpath upstream of a junction with the secondary flowpath. The motive nozzle (100) has a throat (106) and an exit (110). The ejector (200; 300; 320; 340; 400; 430; 460; 480) further has a means (204, 210; 304; 322; 342; 402; 432; 462; 482) for varying an effective area of the exit (110) or simultaneously varying the effective area of the exit (110) and an effective area of the throat (106).
    • 喷射器(200; 300; 320; 340; 400; 430; 460; 480)具有主入口(40),次入口(42)和出口(44)。 主流路从主入口(40)延伸到出口(44),并且次级流路从次级入口(42)延伸到出口(44),与主流路合并。 动力喷嘴(100)围绕与二次流动路径的连接点上游的主流动路径。 动力喷嘴(100)具有喉部(106)和出口(110)。 喷射器(200; 300; 320; 340; 400; 430; 460; 480)还具有用于改变出口的有效面积的装置(204,210; 304; 322; 342; 402; 432; 462; (110)或同时改变出口(110)的有效面积和喉部(106)的有效面积。
    • 5. 发明申请
    • Ejector Cycle
    • 喷射器循环
    • US20120167601A1
    • 2012-07-05
    • US13375218
    • 2011-01-04
    • Frederick J. CogswellHongsheng LiuParmesh VermaOliver Finckh
    • Frederick J. CogswellHongsheng LiuParmesh VermaOliver Finckh
    • F25B1/06F25B1/00
    • 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。
    • 6. 发明授权
    • Ejector cycle
    • 喷射器循环
    • US09217590B2
    • 2015-12-22
    • US13375218
    • 2011-01-04
    • Frederick J. CogswellHongsheng LiuParmesh VermaOliver Finckh
    • Frederick J. CogswellHongsheng LiuParmesh VermaOliver Finckh
    • F25B1/00F25B41/00F25B1/10F25B41/04
    • 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。