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1. 发明公开

EP3198203A1 COOLING SYSTEM HAVING A CONDENSER WITH A MICRO-CHANNEL COOLING COIL AND SUB-COOLER HAVING A FIN-AND-TUBE HEAT COOLING COIL 有权转让
标题翻译：具有微通道冷却线圈的冷凝器的冷却系统和具有翅片管冷却线圈的子冷却器
公开(公告)号：EP3198203A1
公开(公告)日：2017-08-02
申请号：EP15771470.0
申请日：2015-09-21
申请人： Liebert Corporation
发明人： SCHUTTE, Daniel, J. , RAVEN, Matthew , DOLCICH, Benedict, J. , LIN, Zhiyong
IPC分类号： F25B40/02 , F25B39/02 , F25B39/04 , F25B23/00
摘要： In an aspect, a cooling system has a cooling circuit that includes an evaporator, a condenser, a compressor, a sub-cooler and an expansion device configured in a direct expansion cooling circuit with the sub-cooler coupled in series between an outlet of the condenser and an inlet of the expansion device. The condenser has a micro-channel cooling coil and the sub-cooler has a fin-and-tube cooling coil. In an aspect, the fin-and-tube cooling coil of the sub-cooler has a total hydraulic volume equivalent to the total hydraulic volume of the micro-channel cooling coil of the condenser but the fin-and-tube cooling coil of the sub-cooler has a face area more than two times smaller than a face area of the micro-channel cooling coil of the condenser.
摘要翻译：在一个方面，冷却系统具有冷却回路，该冷却回路包括构造成直接膨胀冷却回路的蒸发器，冷凝器，压缩机，过冷器和膨胀装置，其中过冷器串联连接在冷凝器的出口冷凝器和膨胀装置的入口。冷凝器有一个微通道冷却盘管，过冷器有一个翅片管冷却盘管。一方面，过冷却器的翅片管冷却盘管的总液压容积等于冷凝器的微通道冷却盘管的总液压容积，但子过滤器的翅片管冷却盘管冷却器的面部面积比冷凝器的微通道冷却盘管的面部面积小两倍以上。

2. 发明公开

EP3308085A1 COOLING SYSTEM WITH DIRECT EXPANSION AND PUMPED REFRIGERANT ECONOMIZATION COOLING 有权转让
标题翻译：直接膨胀冷媒系统冷却系统冷却系统
公开(公告)号：EP3308085A1
公开(公告)日：2018-04-18
申请号：EP16730214.0
申请日：2016-06-10
申请人： Liebert Corporation
发明人： LIN, Zhiyong , MADARA, Steven , DOLCICH, Benedict J. , SILLATO, Stephen , SCHUTTE, Daniel J.
IPC分类号： F25B25/00 , F25B41/00 , F25B49/02
摘要： A cooling system has both pumped refrigerant economization and direct expansion cooling. When outside air temperature is low enough that pumped refrigerant economization can provide enough cooling to satisfy cooling demand, only pumped refrigerant economization cooling is used to provide cooling. When outside air temperature is low enough that pumped refrigerant economization can provide some but not all of the cooling needed to satisfy cooling demand, the pumped refrigerant economization is operated at one hundred percent capacity and the direct expansion cooling is operated at a capacity to provide any supplemental cooling that is needed. If the outside air temperature is high enough that pumped refrigerant economization cannot provide any cooling, then only direct expansion cooling is used to provide cooling.

3. 发明公开

EP3094167A1 HIGH EFFICIENCY COOLING SYSTEM 有权转让
标题翻译： HOCHEFFIZIENTESKÜHLSYSTEM
公开(公告)号：EP3094167A1
公开(公告)日：2016-11-16
申请号：EP16171689.9
申请日：2012-04-16
申请人： Liebert Corporation
发明人： LIN, Zhiyong , NOLL, Roger , JUDGE, John F , HELMINK, Gary A , DOLCICH, Benedict J , SCHUTTE, Daniel J , SCHRADER, Timothy J
IPC分类号： H05K7/20 , F25B25/00 , F24F1/02
摘要： A cooling system has a cabinet and a plurality of separate cooling stages including an upstream cooling stage and a downstream cooling stage. At least the upstream cooling state is a variable capacity cooling stage. Each cooling stage has a cooling circuit. Evaporators of the cooling circuits are arranged in the cabinet so that air passes over them in serial fashion. A controller when a Call for Cooling first reaches a point where cooling is needed, operating the upstream cooling circuit to provide cooling and not the downstream cooling circuit. When the Call for Cooling has increased to a second point, the controller additionally operates the downstream cooling circuit to provide cooling. The cooling capacity at which the upstream cooling circuit is being operated is less than its full capacity when the Call for Cooling reaches the second point.
摘要翻译：冷却系统具有机柜和多个单独的冷却级，其包括上游冷却级和下游冷却级。至少上游冷却状态是可变容量冷却阶段。每个冷却阶段都有一个冷却回路。冷却回路的蒸发器布置在机柜中，使得空气以串联方式通过它们。当冷却呼叫首先到达需要冷却的点时，控制器操作上游冷却回路以提供冷却而不是下游冷却回路。当冷却呼叫增加到第二点时，控制器另外操作下游冷却回路以提供冷却。上游冷却回路正在运行的制冷量小于其致冷要求到达第二点的满容量。

4. 发明公开

EP2700289A2 HIGH EFFICIENCY COOLING SYSTEM 有权转让
标题翻译： HIGH高效冷却系统
公开(公告)号：EP2700289A2
公开(公告)日：2014-02-26
申请号：EP12717994.3
申请日：2012-04-16
申请人： Liebert Corporation
发明人： JUDGE, John F. , SCHRADER, Timothy J. , SILLATO, Stephen , NOLL, Roger , HELMINK, Gary A. , BARBATO, Pierpaolo , MANA, Giuseppe Dalla , MONNIER, Lou , LIN, Zhiyong , DOLCICH, Benedict J. , SCHUTTE, Daniel J. , HAGGY, Greg , HARVEY, Thomas , LU, Zongtao
IPC分类号： H05K7/20
CPC分类号： H05K7/20836 , F24F1/022 , F24F3/044 , F24F11/46 , F25B25/00 , F25B41/00 , F25B41/043 , F25B45/00 , F25B49/02 , F25B49/022 , F25B2400/06 , F25B2400/0751 , F25B2500/31 , F25D17/06 , H05K7/20827
摘要： A cooling system has a cabinet and a plurality of separate cooling stages including an upstream cooling stage and a downstream cooling stage. At least the upstream cooling state is a variable capacity cooling stage. Each cooling stage has a cooling circuit. Evaporators of the cooling circuits are arranged in the cabinet so that air passes over them in serial fashion. A controller when a Call for Cooling first reaches a point where cooling is needed, operating the upstream cooling circuit to provide cooling and not the downstream cooling circuit. When the Call for Cooling has increased to a second point, the controller additionally operates the downstream cooling circuit to provide cooling. The cooling capacity at which the upstream cooling circuit is being operated is less than its full capacity when the Call for Cooling reaches the second point.

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