Refrigerating machine and intermediate-pressure receiver
    1.
    发明授权
    Refrigerating machine and intermediate-pressure receiver 失效
    制冷机和中压接收机

    公开(公告)号:US07194873B2

    公开(公告)日:2007-03-27

    申请号:US11151545

    申请日:2005-06-14

    IPC分类号: F25B43/00

    摘要: A refrigerating machine equipped with a compressor 2 having an intermediate-pressure portion 2M in which refrigerant having intermediate pressure higher than the pressure of the refrigerant at the suction side thereof and lower than the pressure of the refrigerant at the discharge side thereof can be introduced, and an intermediate-pressure receiver 28 that is inserted in a flow path between an expansion valve 27a (27b) of a heat source side heat exchanger 3a (3b) and an expansion valve 18a (18b) of a using side heat exchanger 6a (6b), carries out gas-liquid separation on gas-liquid mixed refrigerant after the heat exchange in the heat source side heat exchanger or the using side heat exchanger, and then feeds gas-phase refrigerant to the intermediate-pressure portion 2M.

    摘要翻译: 一种具有中压部分2M的压缩机2的制冷机,其中可以引入具有比其吸入侧的制冷剂的压力高于低于其排出侧的制冷剂的压力的中间压力的制冷剂 以及中间压力接收器28,其插入在热源侧热交换器3a(3b)的膨胀阀27a(27b)与膨胀阀21a(18b)之间的流路中, 使用侧热交换器6a(6b)在热源侧热交换器或利用侧热交换器进行热交换后对气液混合制冷剂进行气液分离,然后将气相制冷剂供给到 中压部分2 M.

    Cooling heating device
    2.
    发明授权
    Cooling heating device 有权
    冷却加热装置

    公开(公告)号:US07784297B2

    公开(公告)日:2010-08-31

    申请号:US11711153

    申请日:2007-02-27

    IPC分类号: F25B13/00

    摘要: An object of the present invention is to provide a cooling heating device in which a suitable operation can be performed in harmony with fluctuations of cooling and heating loads to reduce energy consumption, and the cooling heating device includes an outdoor heat exchanger having one end connected to a refrigerant outlet-side pipe of a condenser via an expansion valve and having the other end connected to a suction-side pipe and a discharge-side pipe of a compressor and configured to perform heat exchange between a refrigerant and outside air; a changeover valve which executes control so as to pass the refrigerant discharged from the compressor through the condenser or the outdoor heat exchanger and supply the refrigerant from the outdoor heat exchanger to the compressor or supply the refrigerant from the evaporator to the compressor; and a control unit which controls the compressor, the expansion valve and the changeover valve based on a cooling operation signal in response to a cooling load of the cool target and a heating operation signal in response to a heating load of the heat target.

    摘要翻译: 本发明的目的是提供一种冷却加热装置,其中可以与冷却和加热负载的波动协调地执行适当的操作以降低能量消耗,并且冷却加热装置包括室外热交换器,其一端连接到 经由膨胀阀的冷凝器的制冷剂出口侧管,其另一端与压缩机的吸入侧管和排出侧管连接,构成为在制冷剂和外部空气之间进行热交换; 切换阀,其执行控制使得从压缩机排出的制冷剂通过冷凝器或室外热交换器,并将制冷剂从室外热交换器供给到压缩机,或者将制冷剂从蒸发器供给到压缩机; 以及控制单元,其响应于所述冷目标的冷却负荷和响应于所述热目标的加热负载的加热操作信号,基于所述冷却操作信号来控制所述压缩机,所述膨胀阀和所述切换阀。

    Heat exchanger and refrigeration cycle device using the same
    3.
    发明申请
    Heat exchanger and refrigeration cycle device using the same 审中-公开
    热交换器和制冷循环装置使用相同

    公开(公告)号:US20070214829A1

    公开(公告)日:2007-09-20

    申请号:US11711159

    申请日:2007-02-27

    IPC分类号: F28F3/14 F25B1/00 F25B39/02

    摘要: An object is to improve a pressure resistance and a thermal performance of a heat exchanger and to provide the heat exchanger suitable for use in a refrigeration cycle device in which carbon dioxide is used as a refrigerant. The evaporator (the heat exchanger) includes a pair of plate materials, the whole periphery of a peripheral portion of an outer plate as at least one of the plate materials is secured to the other plate material constituting a bottom surface of an inner tank to constitute a sealed refrigerant passage space between the plate materials, a portion of the outer plate other than the peripheral portion is provided with a plurality of secured inner portions which are secured at predetermined intervals to the bottom surface, and a plurality of refrigerant inlet tubes and refrigerant outlet tubes are attached so as to communicate with the refrigerant passage space.

    摘要翻译: 本发明的目的是提高热交换器的耐压性和热性能,并提供适用于其中使用二氧化碳作为制冷剂的制冷循环装置中的热交换器。 蒸发器(热交换器)包括一对板材,作为至少一个板材的外板的周边部分的整个周边被固定到构成内箱的底面的另一板材构成 在板材之间的密封的制冷剂通道空间,外周板部分以外的部分设置有多个固定的内部部分,其以预定间隔固定到底面,并且多个制冷剂入口管和制冷剂 出口管被连接以与制冷剂通道空间连通。

    Cooling device
    4.
    发明申请
    Cooling device 审中-公开
    冷却装置

    公开(公告)号:US20070056302A1

    公开(公告)日:2007-03-15

    申请号:US11520831

    申请日:2006-09-14

    IPC分类号: B60H1/32

    摘要: There is disclosed a highly efficient cooling device which can reduce energy consumption, and the cooling device comprises: a refrigeration cycle circuit including a compressor, a radiator, an expansion valve and an evaporator; a cooling container in which a cooling object is stored; and a hot water storage tank which stores hot water. Moreover, the cooling object in the cooling container is cooled by absorption of heat in the evaporator, water is boiled by release of the heat in the radiator to store the hot water in the hot water storage tank, and the hot water in the hot water storage tank can be supplied into the cooling container.

    摘要翻译: 公开了一种能够降低能耗的高效率的冷却装置,该冷却装置具备:包括压缩机,散热器,膨胀阀和蒸发器的制冷循环回路; 存储冷却对象的冷却容器; 以及储存热水的热水储存箱。 此外,冷却容器中的冷却对象通过在蒸发器中的吸收而被冷却,通过在散热器中释放热而将水煮沸,将热水储存在热水储存箱中,并将热水在热水中 储罐可以供应到冷却容器中。

    Refrigerating machine
    5.
    发明申请
    Refrigerating machine 失效
    制冷机

    公开(公告)号:US20050279126A1

    公开(公告)日:2005-12-22

    申请号:US11151297

    申请日:2005-06-14

    摘要: A refrigerating machine equipped with a compressor has an intermediate-pressure portion in which refrigerant having intermediate pressure higher than the pressure of the refrigerant at the suction side of the compressor and lower than the pressure of the refrigerant at the discharge side of the compressor is allowed to be introduced, and a heat exchange circuit formed between a heat-source side heat exchanger and a using side heat exchanger. The heat exchange circuit branches the refrigerant flowing from any one of the heat exchangers to the other heat exchanger, carries out heat exchange between one branched refrigerant and the other branched refrigerant or the refrigerant before the branching so that the one branched refrigerant is set to gas-phase refrigerant, and the gas-phase refrigerant thus achieved is led to any one of the intermediate-pressure portion and refrigerant suction pipe of the compressor.

    摘要翻译: 配备有压缩机的制冷机具有中压部,在该中间压部中允许具有比压缩机的吸入侧的制冷剂的压力高于压缩机的排出侧的制冷剂的压力的中间压力的制冷剂 以及在热源侧热交换器和使用侧热交换器之间形成的热交换电路。 热交换回路将从任何一个热交换器流动的制冷剂分支到另一个热交换器,在分支之前执行一个分支的制冷剂和另一个分支制冷剂或制冷剂之间的热交换,使得一个分支的制冷剂被设置为气体 并且由此获得的气相制冷剂被引导到压缩机的中压部分和制冷剂吸入管中的任何一个。

    Refrigeration cycle device
    6.
    发明申请
    Refrigeration cycle device 审中-公开
    制冷循环装置

    公开(公告)号:US20070199337A1

    公开(公告)日:2007-08-30

    申请号:US11710990

    申请日:2007-02-27

    IPC分类号: F25B39/04 F25B27/00

    摘要: In a refrigeration cycle device in which heat generated by heat absorption of an evaporator is used for heating in a condenser, a disadvantage that a cooling capacity of the evaporator deteriorates owing to shortage or drop of an amount of the heat to be rejected from the condenser is securely avoided and a cooling function is maintained. In the refrigeration cycle device which is provided with a refrigerant circuit including a compressor, a condenser, an expansion valve and an evaporator and which exhibits a heating function by the heat rejected from the condenser and which exhibits the cooling function by the heat absorption of the evaporator, an operation to secure a predetermined amount of the heat to be rejected from the condenser is executed in order to maintain the cooling function of the evaporator based on an index capable of grasping the amount of the heat to be rejected from the condenser.

    摘要翻译: 在通过蒸发器的吸热产生的热量在冷凝器中进行加热的制冷循环装置中,由于蒸发器的冷却能力由于冷凝器被排出的热量的不足或下降而劣化, 可靠地避免并保持冷却功能。 在设置有包括压缩机,冷凝器,膨胀阀和蒸发器的制冷剂回路的制冷循环装置中,通过冷凝器排出的热量表现出加热功能,并且通过吸热 蒸发器,执行用于确保从冷凝器排出的预定量的被排出的热量的操作,以便基于能够从冷凝器获取要排除的热量的指数来保持蒸发器的冷却功能。

    Refrigerating machine having intermediate-pressure receiver
    8.
    发明申请
    Refrigerating machine having intermediate-pressure receiver 审中-公开
    具有中压接收器的制冷机

    公开(公告)号:US20060277932A1

    公开(公告)日:2006-12-14

    申请号:US11448663

    申请日:2006-06-08

    IPC分类号: F25B41/00 F25B1/10

    摘要: A refrigerating machine including a two-stage compressor, a high-pressure gas cooler, a first expansion valve, an intermediate-pressure receiver, a second expansion valve, and an evaporator is further equipped with an intermediate-pressure refrigerant bypass circuit for bypassing gas refrigerant in the intermediate-pressure receiver to an intermediate-pressure portion of the two-stage compressor, a back flow preventing device provided to the intermediate-pressure refrigerant bypass circuit for preventing back flow of refrigerant from the two-stage compressor to the intermediate-pressure receiver, and a refrigerant-pressure control unit for controlling the pressure of the refrigerant in the intermediate-pressure receiver on the basis of the difference between a specific enthalpy of refrigerant discharged from the high-pressure gas cooler and a predetermined reference enthalpy.

    摘要翻译: 包括二级压缩机,高压气体冷却器,第一膨胀阀,中压接收器,第二膨胀阀和蒸发器的制冷机还配备有用于旁路气体的中压制冷剂旁路回路 中间压力储存器中的制冷剂到两级压缩机的中压部分,设置在中压制冷剂旁路回路上的防回流装置,用于防止制冷剂从两级压缩机向中间压缩机回流, 压力接收器和用于基于从高压气体冷却器排出的制冷剂的比焓与预定的参考焓之差来控制中压接收器中的制冷剂的压力的制冷剂压力控制单元。