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公开(公告)号：US20050178150A1
公开(公告)日：2005-08-18
申请号：US11055795
申请日：2005-02-09
申请人： Hiroshi Oshitani , Yasushi Yamanaka , Hirotsugu Takeuchi , Katsuya Kusano , Makoto Ikegami , Yasukazu Aikawa
发明人： Hiroshi Oshitani , Yasushi Yamanaka , Hirotsugu Takeuchi , Katsuya Kusano , Makoto Ikegami , Yasukazu Aikawa
CPC分类号： F25B5/00 , B60H2001/3297 , B60H2001/3298 , F25B5/02 , F25B9/008 , F25B41/00 , F25B2309/061 , F25B2341/0012 , F25B2341/0683 , F25B2500/01 , F25B2500/18 , F25B2600/023 , F25B2600/0253 , F25B2600/112
摘要： A first evaporator evaporates refrigerant, which is outputted from an ejector. A refrigerant outlet of the first evaporator is connected to a suction inlet of a compressor, which is connected to a radiator. A branched passage branches a flow of the refrigerant at a corresponding branching point located between the radiator and the ejector. The branched passage conducts the branched flow of the refrigerant to a suction inlet of the ejector. A flow rate control valve is arranged in the branched passage between a radiator and an ejector on a downstream side of the radiator to depressurize refrigerant outputted from the radiator. A second evaporator is arranged in the first branched passage.
摘要翻译： 第一蒸发器蒸发从喷射器输出的制冷剂。 第一蒸发器的制冷剂出口连接到与散热器相连的压缩机的吸入口。 分支通道在位于散热器和喷射器之间的相应分支点处分配制冷剂流。 分支通道将制冷剂的分支流动导向喷射器的吸入口。 在散热器和散热器的下游侧的喷射器之间的分支通道中布置有流量控制阀，以对从散热器输出的制冷剂进行减压。 第二蒸发器布置在第一分支通道中。
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公开(公告)号：US06925835B2
公开(公告)日：2005-08-09
申请号：US10869724
申请日：2004-06-16
申请人： Haruyuki Nishijima , Hisatsugu Matsunaga , Tooru Ikemoto , Hirotsugu Takeuchi , Takeharu Asaoka
发明人： Haruyuki Nishijima , Hisatsugu Matsunaga , Tooru Ikemoto , Hirotsugu Takeuchi , Takeharu Asaoka
CPC分类号： F25B41/00 , B60H2001/3298 , F25B9/008 , F25B49/027 , F25B2309/061 , F25B2341/0011 , F25B2341/0012 , F25B2341/0013 , F25B2600/17 , F25B2700/195 , F25B2700/2106 , F25B2700/21175
摘要： In an ejector cycle with an ejector including a nozzle for decompressing refrigerant, a refrigerant outlet is provided in an evaporator at a position upper than a refrigerant inlet. Therefore, a circulation performance of refrigerant flowing in the evaporator can be improved. Accordingly, even when a pumping capacity generated in the ejector becomes smaller, a sufficient amount of refrigerant can be drawn into the ejector from the evaporator. Thus, a refrigerant amount supplied to the evaporator can be effectively increased. Further, a control unit controls an amount of cooling air supplied to a condenser based on the temperature of the cooling air, to control a refrigerant state to be introduced to the nozzle. In this case, a pressure increasing amount in the ejector can be effectively increased, and consumption power in the compressor can be effectively increased.
摘要翻译： 在具有用于减压制冷剂的喷嘴的喷射器的喷射器循环中，在蒸发器中在制冷剂入口上方的位置设置制冷剂出口。 因此，可以提高在蒸发器中流动的制冷剂的循环性能。 因此，即使在喷射器中产生的泵送能力变小时，也能够从蒸发器将足够量的制冷剂吸入喷射器。 因此，能够有效地提高向蒸发器供给的制冷剂量。 此外，控制单元基于冷却空气的温度来控制供给到冷凝器的冷却空气的量，以控制向喷嘴引入的制冷剂状态。 在这种情况下，可以有效地提高喷射器中的增压量，并且能够有效地提高压缩机的消耗功率。
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公开(公告)号：US06910343B2
公开(公告)日：2005-06-28
申请号：US10819240
申请日：2004-04-06
CPC分类号： F25B9/008 , B60H2001/3298 , F25B41/00 , F25B2309/061 , F25B2341/0012 , F25B2341/0013 , F25B2341/063 , F25B2341/0661 , F25B2400/0411 , F25B2400/23 , F25B2600/2513 , F25B2700/1933 , F25B2700/21174 , F25B2700/21175
摘要： In an ejector cycle having an ejector, a decompression amount of refrigerant between a gas-liquid separator and an evaporator is adjusted by a differential pressure control valve, so that a pressure increasing amount in a pressure increasing portion of the ejector is controlled to be equal to or lower than a predetermined amount. Therefore, a suction pressure of refrigerant to be sucked to the compressor can be restricted from being excessively increased in accordance with the increase of the pressure increasing amount in the ejector, and it can prevent heat radiating capacity of a radiator from being decreased. Thus, a sufficient cooling capacity can be always obtained in the ejector cycle.
摘要翻译： 在具有喷射器的喷射器循环中，通过差压控制阀调节气液分离器和蒸发器之间的减压量的制冷剂，使得喷射器的增压部分中的增压量被控制为相等 达到或低于预定量。 因此，可以根据喷射器中的增压量的增加来限制吸入压缩机的制冷剂的吸入压力过大，能够防止散热器的散热能力下降。 因此，在喷射器循环中可以始终获得足够的冷却能力。
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公开(公告)号：US20050044881A1
公开(公告)日：2005-03-03
申请号：US10921034
申请日：2004-08-18
CPC分类号： F25B9/008 , F25B41/00 , F25B2309/061 , F25B2339/047 , F25B2341/0012 , F25B2500/01
摘要： An ejector decompression device for a refrigerant cycle includes a nozzle which decompresses refrigerant flowing out of a refrigerant radiator, and a pressure increasing portion which increases a pressure of refrigerant while refrigerant jetted from the nozzle and refrigerant drawn from an evaporator are mixed. In the ejector cycle, a coaxial degree of the nozzle with respect to the pressure increasing portion is in a range between 0-30% of an inlet diameter of the pressure increasing portion. Alternatively, the pressure increasing portion has a taper portion at least in a predetermined range from the inlet of the pressure increasing portion, and the taper portion is provided to increase a passage sectional area from the inlet of the pressure increasing portion. Accordingly, collision of high-speed refrigerant jetted from the nozzle to an inner wall surface of the pressure increasing portion can be restricted.
摘要翻译： 用于制冷剂循环的喷射减压装置包括对从制冷剂散热器流出的制冷剂进行减压的喷嘴和在从喷嘴喷出的制冷剂和从蒸发器吸入的制冷剂混合的同时增加制冷剂的压力的增压部。 在排出器周期中，喷嘴相对于增压部分的同轴度在加压部分的入口直径的0-30％之间的范围内。 或者，增压部具有至少在从增压部的入口的预定范围内的锥形部，并且锥形部设置成增加从增压部的入口的通道截面面积。 因此，可以限制从喷嘴喷射的高速制冷剂与增压部的内壁面的碰撞。
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公开(公告)号：US06729157B2
公开(公告)日：2004-05-04
申请号：US10335371
申请日：2002-12-31
IPC分类号： F25B106
CPC分类号： F25B5/04 , B60H1/00885 , F04F5/04 , F04F5/54 , F24F3/153 , F24F2003/144 , F25B5/02 , F25B6/04 , F25B9/008 , F25B13/00 , F25B41/00 , F25B41/04 , F25B2309/06 , F25B2313/02331 , F25B2313/02334 , F25B2313/02343 , F25B2341/0012 , F25B2400/0407
摘要： An air conditioner with an ejector includes first and second interior heat exchangers for performing heat-exchange between refrigerant and air to be blown into a compartment. The second interior heat exchanger is disposed at a downstream air side of the first interior heat exchanger, and a decompression valve for decompressing refrigerant in a dehumidifying-heating operation is disposed in a refrigerant passage connecting the first and second interior heat exchangers. In a cooling operation, the first and second interior heat exchanger are used as evaporators. On the other hand, in the dehumidifying-heating operation, refrigerant decompressed in the decompression valve is evaporated in the first interior heat exchanger while bypassing a nozzle of the ejector, and refrigerant is radiated in the second interior heat exchanger.
摘要翻译： 具有喷射器的空调器包括第一和第二内部热交换器，用于在制冷剂和空气之间进行热交换以吹入隔室。 第二内部热交换器设置在第一内部热交换器的下游侧空气侧，并且在除湿加热动作中用于减压制冷剂的减压阀设置在连接第一和第二内部热交换器的制冷剂通路中。 在冷却操作中，第一和第二内部热交换器用作蒸发器。 另一方面，在除湿加热运转中，减压阀内减压的制冷剂在第一内部热交换器中蒸发，同时旁路喷射器的喷嘴，制冷剂在第二内部热交换器中被辐射。
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公开(公告)号：US06729149B2
公开(公告)日：2004-05-04
申请号：US10264977
申请日：2002-10-04
申请人： Hirotsugu Takeuchi
发明人： Hirotsugu Takeuchi
IPC分类号： F25B106
CPC分类号： B60H1/3204 , B60H2001/3297 , B60H2001/3298 , F25B9/008 , F25B40/00 , F25B41/00 , F25B2309/061 , F25B2341/0011 , F25B2341/0012 , F25B2341/066
摘要： In an ejector cycle system, a variable throttle is disposed at an upstream side of an ejector. When high-pressure side refrigerant pressure in the ejector cycle system is approximately equal to or higher than critical pressure of the refrigerant, the variable throttle is fully opened. When the high-pressure side refrigerant pressure is approximately lower than the critical pressure of the refrigerant, a throttle open degree of the variable throttle is reduced from the fully open degree so that high-pressure side refrigerant is decompressed in two steps of the variable throttle and the ejector. Accordingly, in both cases of a high heat load and a low heat load of the ejector cycle system, COP of the ejector cycle system can be improved.
摘要翻译： 在喷射器循环系统中，可变节气门设置在喷射器的上游侧。 当喷射器循环系统中的高压侧制冷剂压力大致等于或高于制冷剂的临界压力时，可变节流阀完全打开。 当高压侧制冷剂压力大致低于制冷剂的临界压力时，可变节流阀的节气门开度从完全开度减小，使得高压侧制冷剂在可变节流阀的两个步骤中减压 和喷射器。 因此，在喷射器循环系统的高热负荷和低热负荷的两种情况下，可以提高喷射器循环系统的COP。
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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
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。
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公开(公告)号：US07823401B2
公开(公告)日：2010-11-02
申请号：US11977479
申请日：2007-10-25
IPC分类号： F25B49/00
CPC分类号： F25B41/00 , B60H2001/3298 , F25B5/02 , F25B40/00 , F25B2341/0011 , F25B2700/21175
摘要： In a refrigerant cycle device having an ejector, a branch portion for branching a flow of refrigerant flowing out of the ejector into at least a first refrigerant stream and a second refrigerant stream is located. A first evaporator for evaporating the refrigerant of the first refrigerant stream is located to allow the refrigerant to flow to a suction side of the compressor, and a second evaporator for evaporating the refrigerant of the second refrigerant stream is located to allow the refrigerant to flow to an upstream side of a refrigerant suction port of the ejector. In addition, the branch portion is located to maintain a dynamic pressure of the refrigerant flowing out of the ejector, and the second evaporator is connected to the branch portion in a range where the dynamic pressure can be applied to an inside of the second evaporator.
摘要翻译： 在具有喷射器的制冷剂循环装置中，设置有用于将从喷射器流出的制冷剂流分流成至少第一制冷剂流和第二制冷剂流的分支部。 定位用于蒸发第一制冷剂流的制冷剂的第一蒸发器以允许制冷剂流到压缩机的吸入侧，并且用于蒸发第二制冷剂流的制冷剂的第二蒸发器被定位成允许制冷剂流到 喷射器的制冷剂吸入口的上游侧。 此外，分支部分被定位成保持流出喷射器的制冷剂的动态压力，并且第二蒸发器在可以将动态压力施加到第二蒸发器的内部的范围内连接到分支部分。
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公开(公告)号：US07690218B2
公开(公告)日：2010-04-06
申请号：US11653474
申请日：2007-01-12
IPC分类号： F25B1/06
CPC分类号： F25B41/00 , F25B5/00 , F25B40/00 , F25B40/02 , F25B2341/0011 , F25B2600/2507
摘要： An ejector refrigerant cycle device includes a radiator for radiating heat of high-temperature and high-pressure refrigerant discharged from a compressor, a branch portion for branching a flow of refrigerant on a downstream side of the radiator into a first stream and a second stream, an ejector that includes a nozzle portion for decompressing and expending refrigerant of the first stream from the branch portion, a decompression portion for decompressing and expanding refrigerant of the second stream from the branch portion, and an evaporator for evaporating refrigerant on a downstream side of the decompression portion. The evaporator has a refrigerant outlet coupled to the refrigerant suction port of the ejector. Furthermore, a refrigerant radiating portion is provided for radiating heat of refrigerant while the decompression portion decompresses and expands refrigerant. For example, the refrigerant radiating portion is provided in an inner heat exchanger.
摘要翻译： 喷射器制冷剂循环装置包括用于散发从压缩机排出的高温高压制冷剂的散热器的散热器，将散热器的下游侧的制冷剂流分支为第一流和第二流的分支部， 喷射器，其包括用于从分支部分减压和消耗第一流的制冷剂的喷嘴部分，用于从分支部分减压和膨胀第二流的制冷剂的减压部分和用于在第二流的下游侧蒸发制冷剂的蒸发器 减压部分。 蒸发器具有联接到喷射器的制冷剂吸入口的制冷剂出口。 而且，在减压部减压膨胀制冷剂的同时，设置制冷剂的散热部，用于散热制冷剂的热量。 例如，制冷剂散热部设置在内部热交换器中。
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公开(公告)号：US07654108B2
公开(公告)日：2010-02-02
申请号：US11654206
申请日：2007-01-17
申请人： Naohisa Ishizaka , Thuya Aung , Hiroshi Oshitani , Yoshiaki Takano , Mika Gocho , Hirotsugu Takeuchi , Yoshiyuki Okamoto
发明人： Naohisa Ishizaka , Thuya Aung , Hiroshi Oshitani , Yoshiaki Takano , Mika Gocho , Hirotsugu Takeuchi , Yoshiyuki Okamoto
CPC分类号： F25B41/00 , B60H2001/3298 , F25B39/02 , F25B2341/0011 , F25B2341/0012 , F25B2500/18 , F28D1/05391 , F28F9/0204 , F28F9/0246 , F28F9/262
摘要： 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.
摘要翻译： 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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