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    EVAPORATOR UNIT
    3.
    发明申请
    EVAPORATOR UNIT 审中-公开
    蒸发器单元

    公开(公告)号：US20110174015A1

    公开(公告)日：2011-07-21

    申请号：US13007834

    申请日：2011-01-17

    申请人： Youhei Nagano ,  Haruyuki Nishijima ,  Yoshiaki Takano

    发明人： Youhei Nagano ,  Haruyuki Nishijima ,  Yoshiaki Takano

    IPC分类号： F25B39/02

    CPC分类号： F25B41/00 ,  B60H2001/3298 ,  F25B39/02 ,  F25B2341/0012 ,  F25B2500/18

    摘要： An evaporator unit includes an ejector, an evaporator and a refrigerant pipe to connect a refrigerant outlet of the evaporator and a suction port of the ejector. The suction port draws refrigerant using high-speed refrigerant flow injected from a nozzle of the ejector. The ejector, the evaporator and the refrigerant pipe are integrated with each other into an integrated unit. The refrigerant outlet of the evaporator is located upper than the suction port of the ejector. The refrigerant pipe has a shape in a manner that refrigerant flows downward from the refrigerant outlet of the evaporator to the suction port of the ejector.

    摘要翻译： 蒸发器单元包括喷射器，蒸发器和用于连接蒸发器的制冷剂出口和喷射器的吸入口的制冷剂管。 吸入口使用从喷射器的喷嘴喷射的高速制冷剂流吸入制冷剂。 喷射器，蒸发器和制冷剂管道彼此集成为一体的单元。 蒸发器的制冷剂出口位于喷射器的吸入口的上方。 制冷剂管的形状为制冷剂从蒸发器的制冷剂出口向下流到喷射器的吸入口。

    EJECTOR-TYPE REFRIGERATION CYCLE DEVICE
    4.
    发明申请
    EJECTOR-TYPE REFRIGERATION CYCLE DEVICE 审中-公开
    喷射式制冷循环装置

    公开(公告)号：US20110005268A1

    公开(公告)日：2011-01-13

    申请号：US12867025

    申请日：2009-04-16

    申请人： Hiroshi Oshitani ,  Kenichi Fujiwara ,  Haruyuki Nishijima ,  Etsuhisa Yamada ,  Tooru Ikemoto ,  Youhei Nagano

    发明人： Hiroshi Oshitani ,  Kenichi Fujiwara ,  Haruyuki Nishijima ,  Etsuhisa Yamada ,  Tooru Ikemoto ,  Youhei Nagano

    IPC分类号： F25B1/06 ,  F25B41/00

    摘要： In an ejector-type refrigeration cycle device provided with a first compression mechanism and a second compression mechanism, a refrigerant outlet of a suction side evaporator is coupled to a refrigerant suction port of the ejector, and a second compression mechanism is provided between the suction side evaporator and the refrigerant suction port of the ejector. Thus, even in an operation condition in which suction capacity of the ejector is decreased in accordance with a decrease of the flow amount of a drive flow of the ejector, the suction capacity of the ejector can be supplemented by the operation of the second compression mechanism. Accordingly, even when a variation in the flow amount of the drive flow is caused, the ejector-type refrigeration cycle device can be stably operated.

    摘要翻译： 在设置有第一压缩机构和第二压缩机构的喷射式制冷循环装置中，吸入侧蒸发器的制冷剂出口与喷射器的制冷剂吸入口连接，第二压缩机构设置在吸入侧 蒸发器和喷射器的制冷剂吸入口。 因此，即使在喷射器的吸入能力根据喷射器的驱动流量的减少而减少的操作条件下，也可以通过第二压缩机构的操作来补充喷射器的吸入能力 。 因此，即使在引起驱动流量的变动的情况下，能够稳定地进行喷射式制冷循环装置的动作。

    Ejector-type refrigerant cycle device
    5.
    发明申请
    Ejector-type refrigerant cycle device 有权
    喷射式制冷循环装置

    公开(公告)号：US20100162751A1

    公开(公告)日：2010-07-01

    申请号：US12653417

    申请日：2009-12-14

    申请人： Haruyuki Nishijima ,  Etsuhisa Yamada ,  Youhei Nagano ,  Masami Taniguchi

    发明人： Haruyuki Nishijima ,  Etsuhisa Yamada ,  Youhei Nagano ,  Masami Taniguchi

    IPC分类号： F25B1/06 ,  F25B1/10

    CPC分类号： F25B41/00 ,  F25B1/10 ,  F25B5/00 ,  F25B13/00 ,  F25B40/00 ,  F25B2341/0011 ,  F25B2400/13

    摘要： A flow of refrigerant discharged from a first compressor and cooled by a radiator is branched by a first branch portion, and the branched refrigerant of one side is decompressed and expanded by a thermal expansion valve and is heat exchanged with the branched refrigerant of the other side in an inner heat exchanger. Therefore, the branched refrigerant of the other side supplied to the suction side evaporator and a nozzle portion of an ejector can be cooled, thereby improving COP. Furthermore, a suction port of a second compressor is coupled to an outlet side of the ejector so as to secure a drive flow of the ejector, and the refrigerant discharged from the second compressor and the refrigerant downstream of the thermal expansion valve are mixed to be drawn into the first compressor so that an ejector-type refrigerant cycle device can be operated stably.

    摘要翻译： 从第一压缩机排出并被散热器冷却的制冷剂流由第一分支分支，一侧的分支制冷剂由热膨胀阀减压膨胀，并与另一侧的分支制冷剂进行热交换 在内部热交换器中。 因此，可以冷却供给到吸入侧蒸发器的另一侧的分支制冷剂和喷射器的喷嘴部，从而提高COP。 此外，第二压缩机的吸入口联接到喷射器的出口侧，以确保喷射器的驱动流动，并且将从第二压缩机排出的制冷剂和热膨胀阀下游的制冷剂混合为 吸入第一压缩机，使得喷射式制冷剂循环装置能够稳定地操作。

    Ejector-type refrigerant cycle device
    6.
    发明授权
    Ejector-type refrigerant cycle device 有权
    喷射式制冷循环装置

    公开(公告)号：US08783060B2

    公开(公告)日：2014-07-22

    申请号：US12653417

    申请日：2009-12-14

    申请人： Haruyuki Nishijima ,  Etsuhisa Yamada ,  Youhei Nagano ,  Masami Taniguchi

    发明人： Haruyuki Nishijima ,  Etsuhisa Yamada ,  Youhei Nagano ,  Masami Taniguchi

    IPC分类号： F25B1/06 ,  F25B40/00 ,  F25B41/00 ,  F25B1/10 ,  F25B5/00 ,  F25B13/00

    CPC分类号： F25B41/00 ,  F25B1/10 ,  F25B5/00 ,  F25B13/00 ,  F25B40/00 ,  F25B2341/0011 ,  F25B2400/13

    摘要： A flow of refrigerant discharged from a first compressor and cooled by a radiator is branched by a first branch portion, and the branched refrigerant of one side is decompressed and expanded by a thermal expansion valve and is heat exchanged with the branched refrigerant of the other side in an inner heat exchanger. Therefore, the branched refrigerant of the other side supplied to the suction side evaporator and a nozzle portion of an ejector can be cooled, thereby improving COP. Furthermore, a suction port of a second compressor is coupled to an outlet side of the ejector so as to secure a drive flow of the ejector, and the refrigerant discharged from the second compressor and the refrigerant downstream of the thermal expansion valve are mixed to be drawn into the first compressor so that an ejector-type refrigerant cycle device can be operated stably.

    摘要翻译： 从第一压缩机排出并被散热器冷却的制冷剂流由第一分支分支，一侧的分支制冷剂由热膨胀阀减压膨胀，并与另一侧的分支制冷剂进行热交换 在内部热交换器中。 因此，可以冷却供给到吸入侧蒸发器的另一侧的分支制冷剂和喷射器的喷嘴部，从而提高COP。 此外，第二压缩机的吸入口联接到喷射器的出口侧，以确保喷射器的驱动流动，并且将从第二压缩机排出的制冷剂和热膨胀阀下游的制冷剂混合为 吸入第一压缩机，使得喷射式制冷剂循环装置能够稳定地操作。