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    EJECTOR-TYPE REFRIGERATION CYCLE DEVICE
    25.
    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。

    Dual evaporator unit with integrated ejector having refrigerant flow adjustability
    26.
    发明授权
    Dual evaporator unit with integrated ejector having refrigerant flow adjustability 有权
    具有集成喷射器的双蒸发器单元具有制冷剂流量可调性

    公开(公告)号：US08973394B2

    公开(公告)日：2015-03-10

    申请号：US12655815

    申请日：2010-01-07

    申请人： Etsuhisa Yamada ,  Haruyuki Nishijima ,  Tomohiko Nakamura ,  Gouta Ogata ,  Hiroshi Oshitani ,  Ryoko Awa ,  Tatsuhiko Nishino ,  Mika Gocho

    发明人： Etsuhisa Yamada ,  Haruyuki Nishijima ,  Tomohiko Nakamura ,  Gouta Ogata ,  Hiroshi Oshitani ,  Ryoko Awa ,  Tatsuhiko Nishino ,  Mika Gocho

    IPC分类号： F25B15/00 ,  F25B41/00 ,  F25B5/00

    CPC分类号： F25B41/00 ,  F25B5/00 ,  F25B2341/0011 ,  F25B2341/0013 ,  F25B2500/01 ,  F25B2500/18

    摘要： In an evaporator unit, a first evaporator is coupled to an ejector to evaporate refrigerant flowing out of the ejector, a second evaporator is coupled to a refrigerant suction port of the ejector to evaporate the refrigerant to be drawn into the refrigerant suction port, a flow amount distributor is located to adjust a flow amount of the refrigerant distributed to the nozzle portion and a flow amount of the refrigerant distributed to the second evaporator, and a throttle mechanism is provided between the flow amount distributor and the second evaporator to decompress the refrigerant flowing into the second evaporator. The flow amount distributor is adapted as a gas-liquid separation portion and as a refrigerant distribution portion for distributing separated refrigerant into the nozzle portion and the second evaporator. Furthermore, the flow amount distributor and the ejector are arranged in line in a longitudinal direction of the ejector.

    摘要翻译： 在蒸发器单元中，第一蒸发器联接到喷射器以蒸发从喷射器流出的制冷剂，第二蒸发器联接到喷射器的制冷剂吸入口，以蒸发要吸入制冷剂吸入口的制冷剂，流动 位于分配器的位置以调节分配到喷嘴部分的制冷剂的流量和分配到第二蒸发器的制冷剂的流量，并且在流量分配器和第二蒸发器之间设置有节流机构，以减压流动的制冷剂 进入第二蒸发器。 流量分配器适用于气液分离部分和用于将分离的制冷剂分配到喷嘴部分和第二蒸发器中的制冷剂分配部分。 此外，流量分配器和喷射器沿喷射器的纵向方向排成一列。

    Evaporator unit
    27.
    发明申请
    Evaporator unit 有权
    蒸发器单元

    公开(公告)号：US20100175422A1

    公开(公告)日：2010-07-15

    申请号：US12655815

    申请日：2010-01-07

    申请人： Etsuhisa Yamada ,  Haruyuki Nishijima ,  Tomohiko Nakamura ,  Gouta Ogata ,  Hiroshi Oshitani ,  Ryoko Awa ,  Tatsuhiko Nishino ,  Mika Gocho

    发明人： Etsuhisa Yamada ,  Haruyuki Nishijima ,  Tomohiko Nakamura ,  Gouta Ogata ,  Hiroshi Oshitani ,  Ryoko Awa ,  Tatsuhiko Nishino ,  Mika Gocho

    IPC分类号： F25B43/00 ,  F25B41/06

    CPC分类号： F25B41/00 ,  F25B5/00 ,  F25B2341/0011 ,  F25B2341/0013 ,  F25B2500/01 ,  F25B2500/18

    摘要： In an evaporator unit, a first evaporator is coupled to an ejector to evaporate refrigerant flowing out of the ejector, a second evaporator is coupled to a refrigerant suction port of the ejector to evaporate the refrigerant to be drawn into the refrigerant suction port, a flow amount distributor is located to adjust a flow amount of the refrigerant distributed to the nozzle portion and a flow amount of the refrigerant distributed to the second evaporator, and a throttle mechanism is provided between the flow amount distributor and the second evaporator to decompress the refrigerant flowing into the second evaporator. The flow amount distributor is adapted as a gas-liquid separation portion and as a refrigerant distribution portion for distributing separated refrigerant into the nozzle portion and the second evaporator. Furthermore, the flow amount distributor and the ejector are arranged in line in a longitudinal direction of the ejector.

    摘要翻译： 在蒸发器单元中，第一蒸发器联接到喷射器以蒸发从喷射器流出的制冷剂，第二蒸发器联接到喷射器的制冷剂吸入口，以蒸发要吸入制冷剂吸入口的制冷剂，流动 位于分配器的位置以调节分配到喷嘴部分的制冷剂的流量和分配到第二蒸发器的制冷剂的流量，并且在流量分配器和第二蒸发器之间设置有节流机构，以减压流动的制冷剂 进入第二蒸发器。 流量分配器适用于气液分离部分和用于将分离的制冷剂分配到喷嘴部分和第二蒸发器中的制冷剂分配部分。 此外，流量分配器和喷射器沿喷射器的纵向方向排成一列。

    Refrigerant cycle device with ejector
    29.
    发明授权
    Refrigerant cycle device with ejector 有权
    带喷射器的制冷循环装置

    公开(公告)号：US07367202B2

    公开(公告)日：2008-05-06

    申请号：US11503892

    申请日：2006-08-14

    申请人： Etsuhisa Yamada ,  Hirotsugu Takeuchi ,  Haruyuki Nishijima

    发明人： Etsuhisa Yamada ,  Hirotsugu Takeuchi ,  Haruyuki Nishijima

    IPC分类号： F25B1/06

    CPC分类号： F25B41/00 ,  B60H2001/3298 ,  F25B40/02 ,  F25B2341/0011 ,  F25B2341/0012 ,  F25B2400/16 ,  F25B2500/18

    摘要： A refrigerant cycle device includes a compressor for compressing refrigerant, a condenser for cooling and condensing high-pressure refrigerant discharged from the compressor, a vapor-liquid separator located at a refrigerant outlet side of the condenser for separating refrigerant from the condenser into vapor refrigerant and liquid refrigerant, a supercooling device for supercooling the liquid refrigerant from the vapor-liquid separator, an ejector having a nozzle part for decompressing refrigerant downstream from a refrigerant outlet side of the condenser and a refrigerant suction port for drawing refrigerant by a high-velocity flow of refrigerant jetted from the nozzle part, a throttle member which decompresses the liquid refrigerant supercooled by the supercooling device, an evaporator located at a downstream side of the throttle member and is connected to the refrigerant suction port of the ejector. Accordingly, cooling capacity of the evaporator can be improved without lowering a density of refrigerant drawn into the compressor.

    摘要翻译： 制冷剂循环装置包括用于压缩制冷剂的压缩机，用于冷却和冷凝从压缩机排出的高压制冷剂的冷凝器，位于冷凝器的制冷剂出口侧的气液分离器，用于将制冷剂从冷凝器分离成蒸气制冷剂， 液体制冷剂，用于使来自气液分离器的液体制冷剂过冷的过冷却装置，具有用于使从冷凝器的制冷剂出口侧下游的制冷剂减压的喷嘴部的喷射器和用于以高速流动吸引制冷剂的制冷剂吸入口 从喷嘴部喷射的制冷剂，对由过冷却装置过冷却的液体制冷剂进行减压的节流部件，位于节流部件下游侧的蒸发器，并与喷射器的制冷剂吸入口连接。 因此，可以提高蒸发器的冷却能力，而不会降低吸入压缩机的制冷剂的密度。

    Refrigerant cycle device with ejector
    30.
    发明申请
    Refrigerant cycle device with ejector 审中-公开
    带喷射器的制冷循环装置

    公开(公告)号：US20110167851A1

    公开(公告)日：2011-07-14

    申请号：US13065487

    申请日：2011-03-23

    申请人： Haruyuki Nishijima ,  Etsuhisa Yamada ,  Hideya Matsui ,  Hirotsugu Takeuchi ,  Gentarou Oomura ,  Ryoko Fujiwara

    发明人： Haruyuki Nishijima ,  Etsuhisa Yamada ,  Hideya Matsui ,  Hirotsugu Takeuchi ,  Gentarou Oomura ,  Ryoko Fujiwara

    IPC分类号： F25B41/04 ,  F25B1/06

    CPC分类号： F25B41/00 ,  F25B5/00 ,  F25B47/022 ,  F25B2341/0011 ,  F25B2500/01

    摘要： A refrigerant cycle device having an ejector includes a first evaporator for evaporating refrigerant flowing out of the ejector, a first passage portion for guiding refrigerant to a refrigerant suction port of the ejector, a throttle unit located in the first passage portion, a second evaporator located in the first passage portion downstream of the throttle unit, a bypass passage portion for guiding hot gas refrigerant from a compressor into the second evaporator, a bypass opening and closing unit provided in the bypass passage portion. Furthermore, a second passage portion is branched from the bypass passage portion downstream of the bypass opening and closing unit, and a flow control unit is provided in the second passage portion to prevent a flow of refrigerant from the first evaporator to the second evaporator through the second passage portion. Therefore, defrosting of both the first and second evaporators can be suitably performed.

    摘要翻译： 具有喷射器的制冷剂循环装置包括用于蒸发从喷射器流出的制冷剂的第一蒸发器，用于将制冷剂引导到喷射器的制冷剂吸入口的第一通道部分，位于第一通道部分中的节气门单元，位于 在节气门单元下游的第一通道部分中，将热气体制冷剂从压缩机引导到第二蒸发器中的旁通通道部分，设置在旁通通道部分中的旁路开闭单元。 此外，第二通道部分从旁通开闭单元下游的旁路通道部分分支，并且流量控制单元设置在第二通道部分中，以防止制冷剂从第一蒸发器流到第二蒸发器 第二通道部分。 因此，可以适当地进行第一蒸发器和第二蒸发器的除霜。