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    Multi-stage compressing refrigeration device and refrigerator using the device
    1.
    发明授权
    Multi-stage compressing refrigeration device and refrigerator using the device 有权
    多级压缩制冷装置和冰箱使用该装置

    公开(公告)号：US06189335B1

    公开(公告)日：2001-02-20

    申请号：US09236042

    申请日：1999-01-22

    申请人： Toshiyuki Ebara ,  Yoshio Ishiai ,  Takeo Komatsubara ,  Masaya Tadano

    发明人： Toshiyuki Ebara ,  Yoshio Ishiai ,  Takeo Komatsubara ,  Masaya Tadano

    IPC分类号： F25B110

    CPC分类号： F04C18/3564 ,  F04C23/001 ,  F04C23/008 ,  F25B1/10 ,  F25B31/026 ,  F25B2400/13 ,  F25B2400/23

    摘要： There is disclosed a multi-stage compressing refrigeration device for multi-stage compressing a refrigerant using a plurality of compressing means. Its object is to enhance reliability, intend to reduce input and improve refrigeration effect, and to enhance efficiency. In the multi-stage compressing refrigeration device, low-stage compressing means and high-stage compressing means, a condenser, first expanding means, an intermediate evaporator, second expanding means and a main evaporator constitute a refrigeration cycle. The refrigerant flowing out of the condenser is branched into one refrigerant passed to the intermediate evaporator via the first expanding means and the other refrigerant passed to the main evaporator via the second expanding means. Heat exchange is performed between the refrigerant flowing into the second expanding means and the intermediate evaporator. Additionally, the refrigerant flowing out of the main evaporator is sucked by the low-stage compressing means, and the refrigerant flowing out of the intermediate evaporator is sucked by the high-stage compressing means together with the refrigerant discharged from the low-stage compressing means.

    摘要翻译： 公开了一种使用多个压缩装置对制冷剂进行多级压缩的多级压缩式制冷装置。 其目的是提高可靠性，打算减少投入，提高制冷效果，提高效率。 在多级压缩制冷装置中，低级压缩装置和高级压缩装置，冷凝器，第一膨胀装置，中间蒸发器，第二膨胀装置和主蒸发器构成制冷循环。 从冷凝器流出的制冷剂经由第一膨胀装置分支成一个传递到中间蒸发器的制冷剂，另一个制冷剂经由第二膨胀装置传递到主蒸发器。 在流入第二膨胀装置的制冷剂和中间蒸发器之间进行热交换。 此外，从主蒸发器流出的制冷剂被低级压缩装置吸入，从中间蒸发器流出的制冷剂与从低级压缩装置排出的制冷剂一起被高级压缩装置吸入 。

    Multistage compressor
    3.
    发明授权
    Multistage compressor 有权
    多级压缩机

    公开(公告)号：US06769267B2

    公开(公告)日：2004-08-03

    申请号：US10221163

    申请日：2002-09-18

    申请人： Toshiyuki Ebara ,  Satoshi Imai ,  Masaya Tadano ,  Atsushi Oda

    发明人： Toshiyuki Ebara ,  Satoshi Imai ,  Masaya Tadano ,  Atsushi Oda

    IPC分类号： F25D1900

    CPC分类号： F04C29/068 ,  F04C18/3564 ,  F04C23/001 ,  F04C29/0035 ,  F04C29/045 ,  F04C29/065 ,  Y10S181/403

    摘要： Refrigerant compressed by a first stage compression elements (30) run by a motor (20) is discharged in the closed container (10) via a silencer chamber (35) to cool the motor (20) before the refrigerant is led to a second stage compression element (40). The refrigerant is discharged from the second stage compression element (40) out of the compressor after it is further compressed in the second compression element (40). Thus, the motor (20) is cooled in a simple cooling mechanism during normal operation of the compressor.

    摘要翻译： 由电动机（20）运行的第一级压缩元件（30）压缩的制冷剂经由消音器室（35）被排出到密闭容器（10）中，以在制冷剂被引导到第二级之前冷却电动机 压缩元件（40）。 制冷剂在第二压缩元件（40）中被进一步压缩之后，从压缩机排出第二级压缩元件（40）。 因此，在压缩机的正常运行中，电动机（20）以简单的冷却机构冷却。

    Refrigerating device utilizing carbon dioxide as a refrigerant
    4.
    发明授权
    Refrigerating device utilizing carbon dioxide as a refrigerant 有权
    使用二氧化碳作为制冷剂的制冷装置

    公开(公告)号：US06427479B1

    公开(公告)日：2002-08-06

    申请号：US09659917

    申请日：2000-09-12

    申请人： Takeo Komatsubara ,  Yasuki Takahashi ,  Toshiyuki Ebara ,  Miyuki Kawamura

    发明人： Takeo Komatsubara ,  Yasuki Takahashi ,  Toshiyuki Ebara ,  Miyuki Kawamura

    IPC分类号： F25B4300

    CPC分类号： C09K5/041 ,  C09K2205/106 ,  C10M171/008 ,  C10M2209/1033 ,  C10M2209/1055 ,  C10N2220/306 ,  C10N2240/30 ,  F25B1/10 ,  F25B9/008 ,  F25B31/002 ,  F25B43/003 ,  F25B2309/061 ,  F25B2400/13

    摘要： A refrigerating device is provided whose burden on the environment is small, and in which a high amount of heat can be removed, and in which return of refrigerating device oil to a compressor is good. In the refrigerating device, carbon dioxide is circulated as a refrigerant through a refrigerating circuit in which at least a refrigerant compressor, a heat releasing device, an expansion mechanism and an evaporator are connected in an annular arrangement by refrigerant pipes. The refrigerating device oil used in the compressor has a viscosity at 40° C. of 5 to 300 cSt, a volume specific resistivity of at least 108 &OHgr;·cm, and a pour point of no higher than −30° C. when the carbon dioxide is dissolved to saturation. Organic materials which do not physically and/or chemically change due to high-temperature, high-pressure carbon dioxide are used in the refrigerating circuit. The refrigerating circuit is provided with a device for trapping moisture within the refrigerating circuit.

    摘要翻译： 提供了一种制冷装置，其对环境的负担小，并且其中可以除去大量的热量，并且使制冷装置油返回到压缩机良好。 在制冷装置中，二氧化碳作为制冷剂循环通过制冷剂回路，其中至少制冷剂压缩机，放热装置，膨胀机构和蒸发器通过制冷剂管道以环形排列连接。 在压缩机中使用的制冷装置油的粘度在40℃为5〜300cSt，体积比电阻率为至少为108欧姆·厘米，倾点为-30℃以下。当碳 二氧化碳溶解饱和。 在制冷回路中使用由于高温，高压二氧化碳而物理和/或化学变化的有机材料。 制冷回路设置有用于在制冷回路内捕获水分的装置。