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    • 3. 发明专利
    • Refrigeration unit and its control method
    • 制冷单元及其控制方法
    • JP2005188771A
    • 2005-07-14
    • JP2003427025
    • 2003-12-24
    • Samsung Electronics Co Ltd三星電子株式会社
    • KANEKO TAKASHI
    • F25B1/00F04B49/24F25B31/00F25B49/00
    • F04B49/24F25B31/004F25B2400/04F25B2400/075F25B2500/06F25B2700/1931F25B2700/2101F25B2700/2105
    • PROBLEM TO BE SOLVED: To prevent the fracture of a compressor by preventing the movement of oil mist by quickly detecting that a high-pressure refrigerant does not flow into an oil equalizing pipe in the failure of an opening and closing valve.
      SOLUTION: In this refrigeration unit comprising the plurality of compressors 3, 4 connected in parallel with each other in a refrigerant circuit 2, the oil equalizing pipe 11 connecting between shells of the plurality of compressors 3, 4, a bypass pipe 12 connecting a refrigerant pipe 8 at a discharge side of the compressor 4 and the oil equalizing pipe 11, and the opening and closing valve 13 mounted in the bypass pipe 12, the bypass pipe 12 positioned between the opening and closing valve 12 and the oil equalizing pipe 11 is provided with a temperature sensor 14 for detecting a temperature of the bypass pipe 12 itself or inside of the bypass pipe 12.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 解决的问题:为了防止在开闭阀的故障中快速检测到高压制冷剂不会流入均油管中的油雾的移动来防止压缩机的断裂。 解决方案:在制冷剂回路2中并联连接的多个压缩机3,4的制冷机构中,连接多台压缩机3,4的外壳之间的均油管11,旁通管12 连接在压缩机4的排出侧的制冷剂管8和均油管11以及安装在旁通管12中的开关阀13,位于开关阀12之间的旁通管12和均油 管11设置有用于检测旁通管12本身或旁通管12内部的温度的温度传感器14.(C)2005年,JPO&NCIPI
    • 6. 发明专利
    • Hydronic heating device
    • 水暖加热装置
    • JP2013127332A
    • 2013-06-27
    • JP2011276793
    • 2011-12-19
    • Panasonic Corpパナソニック株式会社
    • MEGATA MASAHITOARASHIMA HIROSHI
    • F24D7/00F25B1/00
    • F24D3/18F24D19/1039F24H4/02F24H9/2007F25B40/02F25B49/02F25B2339/047F25B2400/13F25B2600/13F25B2600/2509F25B2600/2513F25B2700/2101F25B2700/2106F25B2700/21161Y02B30/12Y02B30/745
    • PROBLEM TO BE SOLVED: To provide a hydronic heating device that sets a target supercooling degree based on the outside air temperature, and operates at the set supercooling degree to improve system efficiency.SOLUTION: The hydronic heating device includes: a main refrigerant circuit formed by annularly connecting, to one another through a compressor 1, a refrigerant-water heat exchanger 17, a supercooling heat exchanger 5, main decompressing means 4 and an evaporator 3; a bypass circuit 29 which branches off from the main refrigerant circuit between the refrigerant-water heat exchanger 17 and the main decompressing means 4, and connected to the main refrigerant circuit between the evaporator 3 and the compressor 1 through the supercooling heat exchanger 5; and outside air temperature detecting means 13. Based on the outside air temperature, the hydronic heating device changes a target value of a supercooling degree of a refrigerant at an outlet of the refrigerant-water heat exchanger 17 when the hydronic heating device is operated.
    • 要解决的问题:提供一种基于外部空气温度设定目标过冷度的液体循环加热装置,并且以设定的过冷度运行以提高系统效率。 解决方案:液体循环加热装置包括:主制冷剂回路,其通过压缩机1彼此环状地连接制冷剂 - 水热交换器17,过冷却热交换器5,主减压装置4和蒸发器3 ; 旁通回路29,其从制冷剂 - 水热交换器17和主减压装置4之间的主制冷剂回路分支,并通过过冷却热交换器5与蒸发器3和压缩机1之间的主制冷剂回路连接; 以及外部空气温度检测装置13.根据外部空气温度,当液压循环加热装置运行时,液体循环加热装置改变制冷剂 - 水热交换器17出口处的制冷剂的过冷度的目标值。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Air conditioner
    • 冷气机
    • JP2007163100A
    • 2007-06-28
    • JP2005363733
    • 2005-12-16
    • Daikin Ind Ltdダイキン工業株式会社
    • NISHIMURA TADASHIKASAHARA SHINICHIYOSHIMI MANABU
    • F25B49/02F25B1/00
    • F25B49/005F25B2400/13F25B2500/19F25B2500/222F25B2600/021F25B2600/19F25B2600/2509F25B2700/04F25B2700/1933F25B2700/2101Y02B30/741
    • PROBLEM TO BE SOLVED: To reduce error in determination caused by difference in temperatures of a refrigerant at an outlet of a condenser in determining adequacy of refrigerant amount. SOLUTION: This air conditioner 1 comprises a refrigerant circuit 10, an operation control means, and a refrigerant amount determining means. The refrigerant circuit 10 is constituted by connecting a compressor 21, an outdoor heat exchanger 23, a supercooler 25, indoor expansion valves 41, 51 and indoor heat exchangers 42, 52. The operation control means can perform a refrigerant amount determining operation for controlling a capacity of the supercooler 25 to keep a constant temperature of the refrigerant distributed from the supercooler 25 to the indoor expansion valves 41, 51. The refrigerant amount determining means determines the adequacy of refrigerant amount in the refrigerant circuit 10 on the basis of the refrigerant flowing in the refrigerant circuit 10 in the refrigerant amount determining operation or an operation state quantity of a constitutional apparatus. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:在确定制冷剂量的充分性时,减少在冷凝器的出口处的制冷剂的温度差引起的测定误差。 解决方案:该空调装置1包括制冷剂回路10,操作控制装置和制冷剂量确定装置。 制冷剂回路10通过连接压缩机21,室外热交换器23,过冷器25,室内膨胀阀41,51以及室内热交换器42,52来构成。运转控制单元可以进行制冷剂量判定动作, 过冷却器25将过冷却器25分配的制冷剂的恒温保持在室内膨胀阀41,51中的容量。制冷剂量确定装置基于制冷剂流动来确定制冷剂回路10中的制冷剂量的合适性 在制冷剂量确定操作中的制冷剂回路10中或构成装置的操作状态量。 版权所有(C)2007,JPO&INPIT