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    • 2. 发明申请
    • METHOD FOR DETERMINING PROPER WIRING OF MULTIPLE THREE-PHASE MOTORS IN A SINGLE SYSTEM
    • 用于确定单个系统中多个三相电机的正确接线的方法
    • WO2012036948A2
    • 2012-03-22
    • PCT/US2011050653
    • 2011-09-07
    • CARRIER CORPHOFSDAL GILBERT BLIU LUCY YIDURAISAMY SURESH
    • HOFSDAL GILBERT BLIU LUCY YIDURAISAMY SURESH
    • G01R19/14
    • F25B49/00H02P5/00H02P23/24
    • A method for determining proper wiring of multiple three-phase motors (306, 308,310) in a refrigeration system (300) is disclosed. The method may include energizing a plurality of three-phase motors (306, 308, 310) with a first input phase rotation and recording performance data, energizing the plurality of three-phase motors with a second input phase rotation and recording the performance data (402, 404, 406), evaluating the performance data and determining if each of three-phase motors is properly wired (408), operating the refrigeration system (300) in a normal mode if all of the three-phase motors are properly wired (410), or operating the refrigeration system (300) in a less efficient mode if at least one three-phase motor is improperly wired (412, 414, 416).
    • 公开了一种用于确定制冷系统(300)中的多个三相电动机(306,308,310)的适当接线的方法。 该方法可以包括通过第一输入相位旋转激励多个三相电动机(306,308,310)并记录性能数据,用第二输入相位旋转激励多个三相电动机并记录性能数据( 402,404,406),评估所述性能数据并确定三相电动机中的每一个是否被正确地连接(408),如果所有三相电动机都被正确连接,则以正常模式操作制冷系统(300) 410),或者如果至少一个三相电动机不正确地连接(412,414,416),则以较低效率的模式操作制冷系统(300)。
    • 6. 发明申请
    • CO2 REFRIGERATION CIRCUIT WITH SUB-COOLING OF THE LIQUID REFRIGERANT AGAINST THE RECEIVER FLASH GAS AND METHOD FOR OPERATING THE SAME
    • 具有对接收器闪电气体的液体制冷剂进行副冷却的二氧化碳制冷电路及其操作方法
    • WO2006022829A8
    • 2007-03-22
    • PCT/US2005005413
    • 2005-02-18
    • CARRIER CORPDURAISAMY SURESH
    • DURAISAMY SURESH
    • F25B1/10F25B5/02F25B9/00F25B40/04F25B41/04F25B49/02
    • F25B9/008F25B1/10F25B5/02F25B40/02F25B40/04F25B40/06F25B41/04F25B49/022F25B2309/061F25B2400/075F25B2400/13F25B2400/22F25B2400/23
    • CO 2 refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction a hear-rejecting heat exchange, (4), a receiver (10) having a liquid portion (12) and a flash gas portion (14), and subsequent to the receiver (10) a medium temperature loop (20) and a low temperature loop (24), wherein the medium and low temperature loops (24) each comprise in flow direction an expansion device (26, 28), an evaporator (30, 32) and a compressor (46, 38), the refrigeration circuit (2) further comprising a liquid line (16) connecting the liquid portion (12) of the receiver (10) with at least one of the medium and low temperature loops (20, 24) and having an internal heat exchanger (54), and a flash gas line (50) connecting the flash gas portion (14) of the receiver (10) via the internal heat exchanger (54) with the inlet of the low temperature compressor (46), wherein the internal heat exchanger (54) transfers in use heat from the liquid flowing through the liquid line (16) to the flash gas flowing through the flash gas line (50).
    • CO 2 2制冷回路(2),用于在预定的流动方向上使制冷剂循环,包括在流动方向上具有听筒的热交换器,(4),具有液体部分(12)的接收器 )和闪蒸气体部分(14),并且在所述接收器(10)之后的介质温度回路(20)和低温回路(24)中,其中所述介质和低温回路(24)各自包括流动方向 膨胀装置(26,28),蒸发器(30,32)和压缩机(46,38),所述制冷回路(2)还包括连接接收器(10)的液体部分(12) )与至少一个中温和低温回路(20,24)并具有内部热交换器(54),以及闪蒸气管线(50),其将接收器(10)的闪蒸气体部分(14)经由 所述内部热交换器(54)具有所述低温压缩机(46)的入口,其中所述内部热交换器(54)在使用中从所述液体 流过液体管线(16)到流过闪蒸气体管线(50)的闪蒸气体。