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1. 发明申请

US20160265838A1 COOLING APPARATUS FOR SUPERCONDUCTOR 审中-公开
标题翻译：超导体冷却装置
公开(公告)号：US20160265838A1
公开(公告)日：2016-09-15
申请号：US15067176
申请日：2016-03-11
申请人： MAYEKAWA MFG. CO., LTD.
发明人： Naoko NAKAMURA , Masahiro SHIMODA , Shunsuke KOMATSU , Ryusuke ONO , Hiroharu YAGUCHI
IPC分类号： F25D29/00 , F28F23/02 , F25D17/02
CPC分类号： F28F23/02 , F25B25/005 , F25D17/02 , F28F27/00
摘要： A low-cost and space-saving cooling apparatus for a superconductor that prevents a function of the superconductor being compromised when a refrigerator is faulty.A cooling apparatus for a superconductor forms a circulation path in which a coolant, having been used for cooing the superconductor, is pumped by a circulation pump to a heat exchanger unit so that the coolant is cooled by a refrigerator, and the coolant is supplied to the superconductor. The cooling apparatus for a superconductor includes: a sub-cooling tank which is disposed on a downstream side of the superconductor and on an upstream side of the heat exchanger unit in the circulation path and which is configured to store a secondary coolant for cooling the coolant; a secondary heat exchanger unit which is disposed in the sub-cooling tank and which is configured to cool the coolant, having been used for cooling the superconductor, through heat exchange with the secondary coolant; a depressurizing unit configured to reduce pressure in the sub-cooling tank to cool the secondary coolant; a temperature detection unit for detecting temperature of the secondary coolant; a fault detection unit capable of detecting a fault state of the refrigerator; and a control unit configured to determine whether the refrigerator is faulty, based on information detected by the fault detection unit, and to control, upon determining that the refrigerator is faulty, an operation of the depressurizing unit so that the temperature of the secondary coolant, detected by the temperature detection unit, becomes a predetermined temperature at which the secondary coolant is capable of cooling the superconductor through the coolant.
摘要翻译：用于超导体的冷却装置形成循环路径，其中已经用于冷却超导体的冷却剂被循环泵泵送到热交换器单元，使得冷却剂被冷藏库冷却，并且将冷却剂供应到超导体。用于超导体的冷却装置包括：副冷却槽，其设置在超导体的下游侧，并且位于循环路径中的热交换器单元的上游侧，并且构造成存储用于冷却冷却剂的二次冷却剂 ; 二次热交换器单元，其设置在所述副冷却箱中，并且被构造成通过与所述二次冷却剂的热交换而用于冷却所述超导体的所述冷却剂; 减压单元，其构造成减小所述副冷却槽中的压力以冷却所述二次冷却剂; 温度检测单元，用于检测二次冷却剂的温度; 能够检测冰箱的故障状态的故障检测单元; 以及控制单元，其被配置为基于由所述故障检测单元检测到的信息来确定所述冰箱是否有故障，并且在确定所述冰箱有故障时控制所述减压单元的操作，使得所述二次冷却剂的温度，由温度检测单元检测到，成为二次冷却剂能够通过冷却剂冷却超导体的预定温度。

2. 发明申请

US20160076793A1 REFRIGERATION SYSTEM 审中-公开
标题翻译：制冷系统
公开(公告)号：US20160076793A1
公开(公告)日：2016-03-17
申请号：US14888235
申请日：2014-03-20
申请人： MAYEKAWA MFG. CO., LTD.
发明人： Naoko NAKAMURA , Shunsuke KOMATSU , Shota UEDA , Masao KOMEDA , Mizuo KUDO , Akito MACHIDA
IPC分类号： F25B9/06 , F25B6/04
CPC分类号： F25B9/06 , F25B1/10 , F25B6/04 , F25B11/02 , F25B25/005 , F25B27/00 , F25B41/04 , F25B2339/047 , F25B2400/072 , F25B2400/075 , F25B2400/14
摘要： To provide a refrigeration system capable of being installed efficiently in a limited space while ensuring a good reliability, the refrigeration system according to the present invention comprises a refrigeration cycle having: a circulation path (101) in which a refrigerant flows; and at least one compressor (102) for compressing the refrigerant, a heat exchanger (103) for cooling the refrigerant compressed by the compressor, at least one expansion turbine (104) for expanding the refrigerant cooled by the heat exchanger to generate cold heat, and a cooling part (105) for cooling an object to be cooled by the cold heat, which are provided on the circulation path in order, wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path.
摘要翻译：为了提供能够有效地安装在有限空间内的制冷系统，同时确保良好的可靠性，根据本发明的制冷系统包括具有：制冷剂流过的循环路径（101）的制冷循环; 以及用于压缩制冷剂的至少一个压缩机（102），用于冷却由压缩机压缩的制冷剂的热交换器（103），至少一个用于膨胀由热交换器冷却的制冷剂以产生冷热的膨胀涡轮机（104）以及冷却部件（105），用于按顺序设置在循环路径上的用于冷却被冷却的被冷却物体的冷却部件，其中至少一个压缩机或至少一个膨胀涡轮机中的至少一个包括多个压缩机或相对于循环路径彼此平行布置的膨胀涡轮机。

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