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    • 2. 发明申请
    • REFRIGERATION CIRCUIT
    • 制冷电路
    • US20090223245A1
    • 2009-09-10
    • US11816548
    • 2005-02-21
    • Bernd Heinbokel
    • Bernd Heinbokel
    • F25B1/00
    • F04B39/123F04B41/06F25B41/04F25B2400/075F25B2400/22F25B2500/06F25B2500/13
    • Refrigeration circuit (1, 1′) for circulating a refrigerant in a predetermined flow direction through at least one functionally disconnectable component, the refrigeration circuit having in flow direction an expansion device (b, b′, 26, 26′, 33), an evaporator, a compressor (2, 2′, 29, 36) and a heat-rejecting heat exchanger (6, 20), wherein an upstream-side shut-off valve is provided upstream of the component and a downstream-side shut-off valve is provided downstream of the component, wherein at least one of these shut-off valves is a non-return valve (a, c, 25, 27, 32, 34). Preferably, the component has in flow direction the expansion device (b, b′, 26, 26′, 33) and the evaporator (12, 12′, E1, E1′, E2) or the compressor (2, 2′). Preferably the non-return valve (a, c, 25, 27, 32, 34) is lockable in it's open position.
    • 制冷回路(1,1'),用于使预定流向的制冷剂通过至少一个功能可断开部件循环,所述制冷回路在流动方向上具有膨胀装置(b,b',26,26',33), 蒸发器,压缩机(2,2',29,36)和排热热交换器(6,20),其中上游侧截止阀设置在部件的上游和下游侧切断 阀设置在部件的下游,其中这些截止阀中的至少一个是止回阀(a,c,25,27,32,34)。 优选地,该部件在膨胀装置(b,b',26,26',33)和蒸发器(12,12',E1,E1',E2)或压缩机(2,2')的流动方向上具有流动方向。 优选地,止回阀(a,c,25,27,32,34)可锁定在其打开位置。
    • 3. 发明申请
    • Control of a Refrigeration Circuit with an Internal Heat Exchanger
    • 用内部换热器控制制冷回路
    • US20080223056A1
    • 2008-09-18
    • US11816646
    • 2005-02-18
    • Bernd HeinbokelUrs Schmid
    • Bernd HeinbokelUrs Schmid
    • F25B41/04F25B41/00
    • F25B40/00F25B5/02F25B9/008F25B41/062F25B2309/061F25B2400/075F25B2400/22F25B2500/19F25B2600/21F25B2700/1933F25B2700/197F25B2700/21F25B2700/21151F25B2700/21175
    • Refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, having in flow direction a heat rejecting heat exchanger (4), an evaporator throttle valve (8), an evaporator (10), a compressor (22), an internal heat exchanger (16) placed with its “cool side” between the evaporator (10) and the compressor (22), an inlet temperature sensor (24) located between the evaporator (10) and the internal heat exchanger (16) and an outlet temperature sensor (26) located between the internal heat exchanger (16) and the compressor (22), and a control (28) for controlling the evaporator throttle valve (8) based on the inlet and outlet temperature sensor measurement, wherein the control is adapted for controlling the evaporator throttle valve (8) based on an inlet temperature setpoint at the inlet temperature sensor (24); and shifting the inlet temperature setpoint based on the outlet temperature sensor measurement (26).
    • 制冷回路(2),用于沿预定的流动方向循环制冷剂,流动方向为散热热交换器(4),蒸发器节流阀(8),蒸发器(10),压缩机(22),内部 在蒸发器(10)和压缩机(22)之间放置有“冷却侧”的热交换器(16),位于蒸发器(10)和内部热交换器(16)之间的入口温度传感器(24) 位于内部热交换器(16)和压缩机(22)之间的温度传感器(26)和用于基于入口和出口温度传感器测量来控制蒸发器节气门(8)的控制(28),其中控制是 适于基于入口温度传感器(24)处的入口温度设定点来控制蒸发器节流阀(8); 并根据出口温度传感器测量值来移动入口温度设定值(26)。
    • 9. 发明申请
    • REFRIGERATING SYSTEM AND METHOD FOR REFRIGERATING
    • 制冷系统和制冷方法
    • US20100281882A1
    • 2010-11-11
    • US12742847
    • 2007-11-13
    • Bernd HeinbokelSiegfried Haaf
    • Bernd HeinbokelSiegfried Haaf
    • F25B21/02F25B1/00F25B41/00
    • F25B9/008F25B1/10F25B7/00F25B21/02F25B40/04F25B2309/061F25B2400/12F25B2400/23F25B2600/2509
    • A Refrigerating system (2) comprises a refrigerating circuit (4) having, in flowing direction, a compressor (8), a gas cooler (10), a first expansion device (12), an intermediate pressure container (14), a second expansion device (16), an evaporator (18) and refrigerant conduits (22, 24, 26, 28, 30, 32) circulating a refrigerant therethrough. The first expansion device (12) expands the refrigerant to an intermediate pressure level. A first refrigerant conduit (22) of the refrigerant conduits (22, 24, 26, 28, 30, 32) connects the compressor (8) and the gas cooler (10), and a second refrigerant conduit (24) of the refrigerant conduits (22, 24, 26, 28, 30, 32) connects the gas cooler (10) and the first expansion device (12), the first refrigerant conduit (22), the gas cooler (10), and the second refrigerant conduit (24) forming a transcritical portion of the refrigerating circuit (4). The refrigerating system (2) further comprises a desuperheating unit (6), being in a heat exchange relationship with at least a part of the second refrigerant conduit (24), thereby desuperheating the refrigerant.
    • A制冷系统(2)包括制冷回路(4),其在流动方向上具有压缩机(8),气体冷却器(10),第一膨胀装置(12),中压容器(14),第二 膨胀装置(16),蒸发器(18)和使制冷剂循环通过的制冷剂管道(22,24,26,28,30,32)。 第一膨胀装置(12)将制冷剂膨胀至中间压力水平。 制冷剂管道(22,24,26,28,30,32)的第一制冷剂管道(22)连接压缩机(8)和气体冷却器(10),以及制冷剂管道的第二制冷剂管道(24) (22,24,26,28,30,32)连接气体冷却器(10)和第一膨胀装置(12),第一制冷剂管道(22),气体冷却器(10)和第二制冷剂管道 24)形成制冷回路(4)的跨临界部分。 制冷系统(2)还包括与第二制冷剂管道(24)的至少一部分处于热交换关系的减温装置(6),从而使制冷剂过热。