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公开(公告)号：US08991201B2
公开(公告)日：2015-03-31
申请号：US12806683
申请日：2010-08-19
Applicant: Makoto Ikegami , Hiroshi Oshitani , Etsuhisa Yamada , Naohisa Ishizaka , Hirotsugu Takeuchi , Takeyuki Sugiura , Takuo Maehara
Inventor： Makoto Ikegami , Hiroshi Oshitani , Etsuhisa Yamada , Naohisa Ishizaka , Hirotsugu Takeuchi , Takeyuki Sugiura , Takuo Maehara
CPC classification number: F25B41/00 , B60H2001/3298 , F25B9/008 , F25B31/002 , F25B40/00 , F25B49/02 , F25B2309/061 , F25B2341/0011 , F25B2341/0012 , F25B2400/12 , F25B2500/19 , F25B2600/023 , F25B2600/112 , F25B2600/2513 , F25B2700/19 , F25B2700/1933 , F25B2700/2102 , F25B2700/21151 , Y02B30/743
Abstract: An ejector cycle system with a refrigerant cycle through which refrigerant flows includes an ejector disposed downstream of a radiator, a first evaporator that evaporates refrigerant flowing out of the ejector, a throttling unit located in a branch passage and depressurizes refrigerant to adjust a flow rate of refrigerant, and a second evaporator located downstream of the throttling unit. In the ejector cycle system, a flow ratio adjusting means adjusts a flow ratio between a first refrigerant flow amount depressurized and expanded in a nozzle portion of the ejector and a second refrigerant flow amount drawn into a refrigerant suction port of the ejector, based on a physical quantity related to at least one of a state of refrigerant in the refrigerant cycle, a temperature of a space to be cooled by the first and second evaporators, and an ambient temperature of the space.
Abstract translation: 具有制冷剂循环的喷射器循环系统，制冷剂流过该循环系统包括设置在散热器下游的喷射器，使从喷射器流出的制冷剂蒸发的第一蒸发器，位于分支通道中的节流单元，并且减压制冷剂， 制冷剂和位于节流单元下游的第二蒸发器。 在喷射器循环系统中，流量比调节装置调节在喷射器的喷嘴部分中减压和膨胀的第一制冷剂流量与引导到喷射器的制冷剂吸入口中的第二制冷剂流量之间的流量比，基于 与制冷剂循环中的制冷剂状态中的至少一种相关的物理量，由第一蒸发器和第二蒸发器冷却的空间的温度以及空间的环境温度。
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公开(公告)号：US08047018B2
公开(公告)日：2011-11-01
申请号：US12315960
申请日：2008-12-08
Applicant: Makoto Ikegami , Hiroshi Oshitani , Etsuhisa Yamada , Naohisa Ishizaka , Hirotsugu Takeuchi , Takeyuki Sugiura , Takuo Maehara
Inventor： Makoto Ikegami , Hiroshi Oshitani , Etsuhisa Yamada , Naohisa Ishizaka , Hirotsugu Takeuchi , Takeyuki Sugiura , Takuo Maehara
IPC: F25B1/06
CPC classification number: F25B41/00 , B60H2001/3298 , F25B9/008 , F25B31/002 , F25B40/00 , F25B49/02 , F25B2309/061 , F25B2341/0011 , F25B2341/0012 , F25B2400/12 , F25B2500/19 , F25B2600/023 , F25B2600/112 , F25B2600/2513 , F25B2700/19 , F25B2700/1933 , F25B2700/2102 , F25B2700/21151 , Y02B30/743
Abstract: An ejector cycle system with a refrigerant cycle through which refrigerant flows includes an ejector disposed downstream of a radiator, a first evaporator located to evaporate refrigerant flowing out of the ejector, a branch passage branched from a branch portion between the radiator and a nozzle portion of the ejector and coupled to a refrigerant suction port of the ejector, a throttling unit located in the branch passage, and a second evaporator located downstream of the throttling unit to evaporate refrigerant. In the ejector cycle system, a variable throttling device is located in a refrigerant passage between a refrigerant outlet of the radiator and the branch portion to decompress the refrigerant flowing out of the radiator.
Abstract translation: 具有制冷剂循环的排出器循环系统，其中制冷剂流过该排出器，其包括设置在散热器下游的喷射器;第一蒸发器，其被定位成蒸发从喷射器流出的制冷剂;分支通道，从分支部分分散在散热器和喷嘴部分之间; 喷射器并联接到喷射器的制冷剂吸入口，位于分支通道中的节流单元和位于节流单元下游的第二蒸发器以蒸发制冷剂。 在喷射器循环系统中，可变节流装置位于散热器的制冷剂出口和分支部分之间的制冷剂通道中，以对从散热器流出的制冷剂进行减压。
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公开(公告)号：US07987685B2
公开(公告)日：2011-08-02
申请号：US11890548
申请日：2007-08-06
Applicant: Hiroshi Oshitani , Hirotsugu Takeuchi , Yoshiaki Takano , Mika Gocho
Inventor： Hiroshi Oshitani , Hirotsugu Takeuchi , Yoshiaki Takano , Mika Gocho
IPC: F25B1/06
CPC classification number: F25B41/00 , B60H2001/3298 , F25B5/04 , F25B6/02 , F25B40/00 , F25B2341/0012 , F25B2341/0661
Abstract: A refrigerant cycle device includes a branch portion for branching a flow of refrigerant discharged from a compressor, a first radiator for radiating one high-temperature and high-pressure refrigerant branched at the branch portion, an ejector including a nozzle portion for decompressing refrigerant on a downstream side of the first radiator, a second radiator for radiating the other high-temperature and high-pressure refrigerant branched at the branch portion, a throttle device for decompressing refrigerant on a downstream side of the second radiator, and a suction side evaporator for evaporating refrigerant downstream of the throttle device and for allowing the refrigerant to flow to an upstream side of a refrigerant suction port of the ejector. Furthermore, the first and second radiators are disposed downstream of the branch portion such that a heat radiation amount of refrigerant in the first radiator is smaller than that in the second radiator.
Abstract translation: 一种制冷剂循环装置，包括用于分流从压缩机排出的制冷剂流的分支部分，用于辐射在分支部分分支的一个高温和高压制冷剂的第一辐射器，包括用于在制冷剂上减压制冷剂的喷嘴部分的喷射器 第一散热器的下游侧，用于照射在分支部分分支的其他高温高压制冷剂的第二散热器，用于在第二散热器的下游侧减压制冷剂的节流装置和用于蒸发的吸入侧蒸发器 制冷剂在制冷剂吸入口的上游侧流动。 此外，第一和第二散热器设置在分支部分的下游，使得第一散热器中的制冷剂的散热量小于第二散热器中的制冷剂的散热量。
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公开(公告)号：US20100319393A1
公开(公告)日：2010-12-23
申请号：US12806683
申请日：2010-08-19
Applicant: Makoto Ikegami , Hiroshi Oshitani , Etsuhisa Yamada , Naohisa Ishizaka , Hirotsugu Takeuchi , Takeyuki Sugiura , Takuo Maehara
Inventor： Makoto Ikegami , Hiroshi Oshitani , Etsuhisa Yamada , Naohisa Ishizaka , Hirotsugu Takeuchi , Takeyuki Sugiura , Takuo Maehara
CPC classification number: F25B41/00 , B60H2001/3298 , F25B9/008 , F25B31/002 , F25B40/00 , F25B49/02 , F25B2309/061 , F25B2341/0011 , F25B2341/0012 , F25B2400/12 , F25B2500/19 , F25B2600/023 , F25B2600/112 , F25B2600/2513 , F25B2700/19 , F25B2700/1933 , F25B2700/2102 , F25B2700/21151 , Y02B30/743
Abstract: An ejector cycle system with a refrigerant cycle through which refrigerant flows includes an ejector disposed downstream of a radiator, a first evaporator that evaporates refrigerant flowing out of the ejector, a throttling unit located in a branch passage and depressurizes refrigerant to adjust a flow rate of refrigerant, and a second evaporator located downstream of the throttling unit. In the ejector cycle system, a flow ratio adjusting means adjusts a flow ratio between a first refrigerant flow amount depressurized and expanded in a nozzle portion of the ejector and a second refrigerant flow amount drawn into a refrigerant suction port of the ejector, based on a physical quantity related to at least one of a state of refrigerant in the refrigerant cycle, a temperature of a space to be cooled by the first and second evaporators, and an ambient temperature of the space.
Abstract translation: 具有制冷剂循环的喷射器循环系统，制冷剂流过该循环系统包括设置在散热器下游的喷射器，使从喷射器流出的制冷剂蒸发的第一蒸发器，位于分支通道中的节流单元，并且减压制冷剂， 制冷剂和位于节流单元下游的第二蒸发器。 在喷射器循环系统中，流量比调节装置调节在喷射器的喷嘴部分中减压和膨胀的第一制冷剂流量与引导到喷射器的制冷剂吸入口中的第二制冷剂流量之间的流量比，基于 与制冷剂循环中的制冷剂状态中的至少一种相关的物理量，由第一蒸发器和第二蒸发器冷却的空间的温度以及空间的环境温度。
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公开(公告)号：US07726150B2
公开(公告)日：2010-06-01
申请号：US11501557
申请日：2006-08-09
Applicant: Haruyuki Nishijima , Hirotsugu Takeuchi , Etsuhisa Yamada , Makoto Ikegami , Hiroshi Oshitani
Inventor： Haruyuki Nishijima , Hirotsugu Takeuchi , Etsuhisa Yamada , Makoto Ikegami , Hiroshi Oshitani
IPC: F25B1/06
CPC classification number: F25B41/00 , B60H2001/3298 , F25B5/00 , F25B2309/06 , F25B2341/0012 , F25B2341/0013 , F25B2500/01 , F25B2500/19 , F28D1/0408 , F28D1/05366
Abstract: An ejector cycle device includes a compressor, a refrigerant radiator, an ejector having a nozzle part and a refrigerant suction port, and a branch passage for introducing refrigerant branched on an upstream side of the nozzle part of the ejector in a refrigerant flow into the refrigerant suction port. Furthermore, a first evaporator is arranged on a downstream side of the ejector in the refrigerant flow, and a second evaporator is arranged in the branch passage. In addition, in the ejector cycle device, a refrigerant flow rate ratio (α) of a flow rate of refrigerant flowing in the second evaporator to a flow rate of refrigerant discharged from the compressor is set within a range from 0.07 or more to 0.93 or less.
Abstract translation: 喷射器循环装置包括压缩机，制冷剂散热器，具有喷嘴部分和制冷剂吸入口的喷射器，以及用于将制冷剂流中喷射器的喷嘴部分的上游侧分支的制冷剂引入制冷剂的分支通道 吸入口 此外，第一蒸发器设置在制冷剂流中的喷射器的下游侧，并且第二蒸发器布置在分支通道中。 另外，在喷射器循环装置中，在第二蒸发器中流动的制冷剂的流量与从压缩机排出的制冷剂的流量的制冷剂流量比（α）设定在0.07以上至0.93以下的范围内， 减。
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Patent Agency Ranking
公开(公告)号：US07513128B2
公开(公告)日：2009-04-07
申请号：US11500260
申请日：2006-08-07
Applicant: Etsuhisa Yamada , Hirotsugu Takeuchi , Haruyuki Nishijima
Inventor： Etsuhisa Yamada , Hirotsugu Takeuchi , Haruyuki Nishijima
IPC: F25B1/06
CPC classification number: F25B41/00 , B60H2001/3298 , F25B5/00 , F25B2341/0011 , F25B2341/0013
Abstract: An ejector-type cycle, for exchanging heat using a refrigerant, comprises: a compressor for compressing the refrigerant; a condenser for condensing the compressed refrigerant, a first orifice arranged downstream of the condenser; an ejector arranged downstream of the first orifice and capable of exhibiting a sucking force at the inlet thereof; a first evaporator for exchanging heat with an external fluid by passing the refrigerant and having a refrigerant outlet connected to the inlet of the ejector; a dryness degree adjusting mechanism interposed between the first orifice and the ejector and connected to the ejector and the first evaporator so as to supply the refrigerant thereto, and a second orifice arranged downstream of and connected to the dryness degree adjusting mechanism.
Abstract translation: 用于使用制冷剂进行热交换的喷射器型循环包括：用于压缩制冷剂的压缩机; 用于冷凝压缩的制冷剂的冷凝器，布置在冷凝器下游的第一孔; 喷射器，其布置在第一孔口的下游并且能够在其入口处显示吸力; 第一蒸发器，其通过使制冷剂通过并且具有连接到喷射器的入口的制冷剂出口与外部流体进行热交换; 干燥度调节机构，其插入在所述第一孔口和所述喷射器之间，并且连接到所述喷射器和所述第一蒸发器以供应制冷剂;以及第二孔，布置在所述干度调节机构的下游并连接到所述干度调节机构。
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公开(公告)号：US20080041079A1
公开(公告)日：2008-02-21
申请号：US11821118
申请日：2007-06-21
Applicant: Haruyuki Nishijima , Etsuhisa Yamada , Hideya Matsui , Hirotsugu Takeuchi , Gentarou Oomura , Ryoko Fujiwara
Inventor： Haruyuki Nishijima , Etsuhisa Yamada , Hideya Matsui , Hirotsugu Takeuchi , Gentarou Oomura , Ryoko Fujiwara
IPC: F25B1/10
CPC classification number: F25B41/00 , F25B5/00 , F25B47/022 , F25B2341/0011 , F25B2500/01
Abstract: 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.
Abstract translation: 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。
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公开(公告)号：US20070169510A1
公开(公告)日：2007-07-26
申请号：US11654206
申请日：2007-01-17
Applicant: Naohisa Ishizaka , Thuya Aung , Hiroshi Oshitani , Yoshiaki Takano , Mika Gocho , Hirotsugu Takeuchi , Yoshiyuki Okamoto
Inventor： Naohisa Ishizaka , Thuya Aung , Hiroshi Oshitani , Yoshiaki Takano , Mika Gocho , Hirotsugu Takeuchi , Yoshiyuki Okamoto
CPC classification number: F25B41/00 , B60H2001/3298 , F25B39/02 , F25B2341/0011 , F25B2341/0012 , F25B2500/18 , F28D1/05391 , F28F9/0204 , F28F9/0246 , F28F9/262
Abstract: A unit for a refrigerant cycle device includes an ejector that has a nozzle part which decompresses refrigerant, and a refrigerant suction port from which refrigerant is drawn by a high-speed refrigerant flow jetted from the nozzle part, a first evaporator connected to the outlet of the ejector, and a second evaporator connected to the refrigerant suction port of the ejector. One of the first evaporator and the second evaporator has a tank structure that includes a tank for distributing refrigerant into or for collecting the refrigerant from refrigerant passages of a heat exchanging part. The tank has therein a first space through which the refrigerant discharged from the outlet of the ejector flows into a heat exchanging part of the first evaporator, and a second space through which the refrigerant to be drawn into the refrigerant suction port flows into a heat exchanging part of the second evaporator.
Abstract translation: 一种用于制冷剂循环装置的单元包括具有使制冷剂减压的喷嘴部分的喷射器和从喷嘴部分喷射的高速制冷剂流被制冷剂吸入的制冷剂吸入口，连接到喷嘴部分的出口的第一蒸发器 喷射器和连接到喷射器的制冷剂吸入口的第二蒸发器。 第一蒸发器和第二蒸发器中的一个具有罐结构，其包括用于将制冷剂分配到用于从热交换部件的制冷剂通道收集制冷剂的罐。 所述罐具有第一空间，从所述喷射器的出口排出的制冷剂通过所述第一空间流入所述第一蒸发器的热交换部，所述第二空间，被吸入所述制冷剂吸入口的制冷剂流过所述第二空间， 部分第二蒸发器。
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公开(公告)号：US20060266072A1
公开(公告)日：2006-11-30
申请号：US11439415
申请日：2006-05-23
Applicant: Hirotsugu Takeuchi , Mika Saito , Hiroshi Oshitani , Shin Nishida , Takayuki Sugiura
Inventor： Hirotsugu Takeuchi , Mika Saito , Hiroshi Oshitani , Shin Nishida , Takayuki Sugiura
CPC classification number: F25B41/00 , B60H2001/3298 , F25B5/04 , F25B13/00 , F25B40/00 , F25B2341/0012 , F25B2341/0015 , F25B2400/23 , F25B2500/01 , F25B2600/111 , F25B2600/112 , F25B2700/1933 , F25B2700/197 , F25B2700/21151 , F25B2700/2117 , F25B2700/21175
Abstract: An ejector cycle device includes a compressor that draws and compresses refrigerant, a radiator that radiates heat of high-pressure refrigerant discharged from the compressor, an ejector, a branch passage branched from a refrigerant passage between the radiator and a nozzle portion of the ejector and coupled to a suction port of the ejector, a throttle unit that is arranged in the branch passage and decompresses refrigerant, and an evaporator that is arranged on a downstream side of refrigerant flow of the throttle unit in the branch passage and evaporates refrigerant. Accordingly, even when a suction performance of the ejector is lowered, refrigerant can flow through the evaporator.
Abstract translation: 喷射器循环装置包括：压缩机，其抽吸和压缩制冷剂;散热器，其辐射从压缩机排出的高压制冷剂的热量;喷射器;分支通道，其从散热器与喷射器的喷嘴部分之间的制冷剂通道分支; 联接到喷射器的吸入口，设置在分支通道中并减压制冷剂的节流单元和布置在分支通道中的节流单元的制冷剂流的下游侧的蒸发器，并蒸发制冷剂。 因此，即使降低喷射器的吸入性能，制冷剂也可以流过蒸发器。
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公开(公告)号：US20060254308A1
公开(公告)日：2006-11-16
申请号：US11434426
申请日：2006-05-15
Applicant: Naoki Yokoyama , Hiroshi Oshitani , Hirotsugu Takeuchi , Haruyuki Nishijima , Makoto Ikegami , Takuo Maehara , Etsuhisa Yamada
Inventor： Naoki Yokoyama , Hiroshi Oshitani , Hirotsugu Takeuchi , Haruyuki Nishijima , Makoto Ikegami , Takuo Maehara , Etsuhisa Yamada
IPC: F25B1/06
CPC classification number: F25D21/08 , B60H1/3205 , B60H2001/3297 , B60H2001/3298 , F25B5/00 , F25B5/02 , F25B5/04 , F25B39/02 , F25B41/00 , F25B2341/0011 , F25B2341/0012 , F25B2341/0013 , F25B2400/23 , F25B2500/27 , F25B2500/28 , F25B2600/2501 , F25B2600/2507 , F25B2700/2104 , F25B2700/2106 , F25B2700/2117
Abstract: In an ejector cycle device having an ejector, an evaporator is arranged in a refrigerant branch passage connected to a refrigerant suction port of the ejector, an opening/closing member for opening and closing a refrigerant passage is disposed to prevent refrigerant from flowing into the evaporator, and a control unit intermittently controls operation of the compressor. In the ejector cycle device, the control unit brings the opening/closing member into a closing state in a time period for which the operation of the compressor is stopped. Accordingly, it can restrict liquid refrigerant from collecting in the evaporator while the compressor is stopped.
Abstract translation: 在具有喷射器的喷射器循环装置中，在与喷射器的制冷剂吸入口连接的制冷剂分支通路中配置有蒸发器，设置有用于打开和关闭制冷剂通路的打开/关闭部件，以防止制冷剂流入蒸发器 ，并且控制单元间歇地控制压缩机的操作。 在喷射器循环装置中，控制单元在压缩机的运转停止的时间段内使打开/关闭部件进入关闭状态。 因此，当压缩机停止时，可以限制液体制冷剂在蒸发器中收集。
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