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1. 发明申请

US20090282849A1 Refrigeration System 审中-公开
标题翻译：制冷系统
公开(公告)号：US20090282849A1
公开(公告)日：2009-11-19
申请号：US12085677
申请日：2006-11-29
申请人： Shuuji Fujimoto , Atsushi Yoshimi , Takahiro Yamaguchi
发明人： Shuuji Fujimoto , Atsushi Yoshimi , Takahiro Yamaguchi
IPC分类号： F25B1/10 , F25B49/02
CPC分类号： F25B1/10 , F25B13/00 , F25B49/025 , F25B2313/006 , F25B2313/02731 , F25B2313/02741 , F25B2313/0314 , F25B2313/0315 , F25B2400/23 , F25B2500/26 , F25B2600/021 , F25B2700/1931 , F25B2700/1933 , F25B2700/2104 , F25B2700/2106 , F25B2700/2109 , F25B2700/21152 , Y02B30/741
摘要： A refrigeration system (10) includes: a refrigerant circuit (15) including a low-pressure stage compressor (21) variable in displacement and a high-pressure stage compressor (31) variable in displacement and operating in a two-stage compression refrigeration cycle; and a controller (100) for controlling the operation of the refrigeration system (10). The controller (100) includes a first control section (101) and a second control section (102). The first control section (101) controls the operating capacity of the low-pressure stage compressor (21) to adapt to the load of the refrigeration capacity. The second control section (102) controls the operating capacity of the high-pressure stage compressor (31) so that the ratio between a first pressure ratio, which is the ratio of the discharge pressure of the low-pressure stage compressor (21) to the suction pressure thereof, and a second pressure ratio, which is the ratio of the discharge pressure of the high-pressure stage compressor (31) to the suction pressure thereof, is 1:1.
摘要翻译：制冷系统（10）包括：制冷剂回路（15），其包括位移可变的低压级压缩机（21）和高压级压缩机（31），所述高压级压缩机能够在两级压缩制冷循环 ; 以及用于控制制冷系统（10）的操作的控制器（100）。控制器（100）包括第一控制部（101）和第二控制部（102）。第一控制部（101）控制低压级压缩机（21）的运转能力，以适应制冷量的负荷。第二控制部（102）控制高压级压缩机（31）的运转能力，使得作为低压级压缩机（21）的排出压力的比率的第一压力比与其吸入压力和作为高压级压缩机31的排出压力与吸入压力之比的第二压力比为1:1。

2. 发明授权

US07918106B2 Refrigeration system 有权
标题翻译：制冷系统
公开(公告)号：US07918106B2
公开(公告)日：2011-04-05
申请号：US12084938
申请日：2006-11-27
申请人： Shuuji Fujimoto , Atsushi Yoshimi
发明人： Shuuji Fujimoto , Atsushi Yoshimi
IPC分类号： F25B43/02
CPC分类号： F25B1/10 , F25B31/002 , F25B2400/13 , F25B2400/23 , F25B2600/2507
摘要： A refrigerant circuit (15) is provided with a low-pressure stage oil separator (26) for separating refrigerating machine oil out of refrigerant discharged from a low-pressure stage compressor (21) and returning it to the suction side of the low-pressure stage compressor (21), and a high-pressure stage oil separator (36) for separating refrigerating machine oil out of refrigerant discharged from a high-pressure stage compressor (31) and returning it to the suction side of the high-pressure stage compressor (31). The efficiency of oil separation of the low-pressure stage oil separator (26) is set lower than that of the high-pressure stage oil separator (36).
摘要翻译：制冷剂回路（15）设有低压级油分离器（26），用于将从低压级压缩机（21）排出的制冷剂中的冷冻机油分离并将其返回到低压侧的吸入侧将从高压级压缩机31排出的制冷剂中的冷冻机油分离并将其返回到高压级压缩机（21）的吸入侧的高压级分离器（36）（31）。低压级油分离器（26）的油分离效率低于高压级油分离器（36）的效率。

3. 发明申请

US20100275634A1 REFRIGERATION APPARATUS 审中-公开
标题翻译：制冷装置
公开(公告)号：US20100275634A1
公开(公告)日：2010-11-04
申请号：US12812111
申请日：2009-02-03
申请人： Tetsuya Okamoto , Kazuhiro Furusho , Takayuki Kawano , Shinichi Kasahara , Masakazu Okamoto , Takahiro Yamaguchi , Michio Moriwaki , Syuuji Furui , Atsushi Yoshimi , Shuuji Fujimoto
发明人： Tetsuya Okamoto , Kazuhiro Furusho , Takayuki Kawano , Shinichi Kasahara , Masakazu Okamoto , Takahiro Yamaguchi , Michio Moriwaki , Syuuji Furui , Atsushi Yoshimi , Shuuji Fujimoto
IPC分类号： F25B13/00 , F25B1/00 , F25B43/02
CPC分类号： F25B31/004 , F25B13/00 , F25B40/00 , F25B2309/061 , F25B2313/02742 , F25B2400/14 , F25B2400/141
摘要： A refrigerant circuit (11) includes an oil separator (60) configured to separate oil from high pressure refrigerant, and an oil feed circuit (70) configured to feed the oil separated in the oil separator (60) to a compression mechanism (20) so as to cool the refrigerant in the course of a compression phase of the compression mechanism (20). The oil feed circuit (70) includes a recovery mechanism (40) configured to recover energy of the oil separated in the oil separator (60). In the compression mechanism (20), the refrigerant is cooled by the oil, thereby reducing power of the compression mechanism (20). Simultaneously, in the recovery mechanism (40), power required to increase pressure of the oil in the compression mechanism (20) is recovered.
摘要翻译：制冷剂回路（11）具备将油与高压制冷剂分离的油分离器（60），将供油分离器（60）中分离出的油供给到压缩机构（20）的供油回路（70）以在压缩机构（20）的压缩阶段的过程中冷却制冷剂。供油回路（70）包括回收机构（40），其构造成回收在分油器（60）中分离的油的能量。在压缩机构20中，制冷剂被油冷却，从而减小压缩机构20的动力。同时，在回收机构（40）中，恢复增加压缩机构（20）中的油的压力所需的功率。

4. 发明申请

US20100180612A1 REFRIGERATION DEVICE 有权
标题翻译：制冷装置
公开(公告)号：US20100180612A1
公开(公告)日：2010-07-22
申请号：US12440045
申请日：2007-09-07
申请人： Shinichi Kasahara , Toshiyuki Kurihara , Shuuji Fujimoto , Takahiro Yamaguchi , Atsushi Yoshimi , Yoshio Ueno
发明人： Shinichi Kasahara , Toshiyuki Kurihara , Shuuji Fujimoto , Takahiro Yamaguchi , Atsushi Yoshimi , Yoshio Ueno
IPC分类号： F25B41/04 , F25B1/00 , F25B41/00 , F25D17/02
CPC分类号： F25B13/00 , F25B9/008 , F25B40/00 , F25B2309/061 , F25B2313/0233 , F25B2313/0272 , F25B2313/02741 , F25B2341/0662 , F25B2400/13 , F25B2400/23 , F25B2600/2509 , F25B2600/2513 , F25B2700/19 , F25B2700/1931 , F25B2700/2102 , F25B2700/21151
摘要： A refrigeration device includes a compression mechanism, a radiator, a first expansion mechanism, a second expansion mechanism, an evaporator, a first internal heat exchanger, a branch pipe, a third expansion mechanism, and a second internal heat exchanger. The first internal heat exchanger causes heat to be exchanged between refrigerant that flows from the radiator to the inflow side of the first expansion mechanism, and refrigerant that flows from the evaporator to the compression mechanism. The branch pipe branches from a third refrigerant pipe for connecting the radiator and the second expansion mechanism, and merges with the second refrigerant pipe. A third expansion mechanism is provided to the branch pipe. The second internal heat exchanger causes heat to be exchanged between refrigerant that flows out from the first expansion mechanism, and refrigerant that flows out from the third expansion mechanism.
摘要翻译：制冷装置包括压缩机构，散热器，第一膨胀机构，第二膨胀机构，蒸发器，第一内部热交换器，分支管，第三膨胀机构和第二内部热交换器。第一内部热交换器在从散热器流到第一膨胀机构的流入侧的制冷剂和从蒸发器流向压缩机构的制冷剂之间进行热交换。分支管从用于连接散热器和第二膨胀机构的第三制冷剂管分支，并与第二制冷剂管合并。向分支管提供第三膨胀机构。第二内部热交换器使得从第一膨胀机构流出的制冷剂与从第三膨胀机构流出的制冷剂之间的热量交换。

5. 发明授权

US08181480B2 Refrigeration device 有权
标题翻译：制冷装置
公开(公告)号：US08181480B2
公开(公告)日：2012-05-22
申请号：US12440045
申请日：2007-09-07
申请人： Shinichi Kasahara , Toshiyuki Kurihara , Shuuji Fujimoto , Takahiro Yamaguchi , Atsushi Yoshimi , Yoshio Ueno
发明人： Shinichi Kasahara , Toshiyuki Kurihara , Shuuji Fujimoto , Takahiro Yamaguchi , Atsushi Yoshimi , Yoshio Ueno
IPC分类号： F25B1/00 , F25B41/00 , F25B41/04
CPC分类号： F25B13/00 , F25B9/008 , F25B40/00 , F25B2309/061 , F25B2313/0233 , F25B2313/0272 , F25B2313/02741 , F25B2341/0662 , F25B2400/13 , F25B2400/23 , F25B2600/2509 , F25B2600/2513 , F25B2700/19 , F25B2700/1931 , F25B2700/2102 , F25B2700/21151
摘要： A refrigeration device includes a compression mechanism, a radiator, a first expansion mechanism, a second expansion mechanism, an evaporator, a first internal heat exchanger, a branch pipe a third expansion mechanism, and a second internal heat exchanger. The first internal heat exchanger causes heat to be exchanged between refrigerant that flows from the radiator to the inflow side of the first expansion mechanism, and refrigerant that flows from the evaporator to the compression mechanism. The branch pipe branches from a third refrigerant pipe for connecting the radiator and the second expansion mechanism, and merges with the second refrigerant pipe. A third expansion mechanism is provided to the branch pipe. The second internal heat exchanger causes heat to be exchanged between refrigerant that flows out from the first expansion mechanism, and refrigerant that flows out from the third expansion mechanism.
摘要翻译：制冷装置包括压缩机构，散热器，第一膨胀机构，第二膨胀机构，蒸发器，第一内部热交换器，分支管，第三膨胀机构和第二内部热交换器。第一内部热交换器在从散热器流到第一膨胀机构的流入侧的制冷剂和从蒸发器流向压缩机构的制冷剂之间进行热交换。分支管从用于连接散热器和第二膨胀机构的第三制冷剂管分支，并与第二制冷剂管合并。向分支管提供第三膨胀机构。第二内部热交换器使得从第一膨胀机构流出的制冷剂与从第三膨胀机构流出的制冷剂之间的热量交换。

6. 发明申请

US20090229300A1 Refrigeration System 有权
标题翻译：制冷系统
公开(公告)号：US20090229300A1
公开(公告)日：2009-09-17
申请号：US12084938
申请日：2006-11-27
申请人： Shuuji Fujimoto , Atsushi Yoshimi
发明人： Shuuji Fujimoto , Atsushi Yoshimi
IPC分类号： F25B43/02
CPC分类号： F25B1/10 , F25B31/002 , F25B2400/13 , F25B2400/23 , F25B2600/2507
摘要： A refrigerant circuit (15) is provided with a low-pressure stage oil separator (26) for separating refrigerating machine oil out of refrigerant discharged from a low-pressure stage compressor (21) and returning it to the suction side of the low-pressure stage compressor (21), and a high-pressure stage oil separator (36) for separating refrigerating machine oil out of refrigerant discharged from a high-pressure stage compressor (31) and returning it to the suction side of the high-pressure stage compressor (31). The efficiency of oil separation of the low-pressure stage oil separator (26) is set lower than that of the high-pressure stage oil separator (36).
摘要翻译：制冷剂回路（15）设有低压级油分离器（26），用于将从低压级压缩机（21）排出的制冷剂中的冷冻机油分离并将其返回到低压侧的吸入侧将从高压级压缩机31排出的制冷剂中的冷冻机油分离并将其返回到高压级压缩机（21）的吸入侧的高压级分离器（36）（31）。低压级油分离器（26）的油分离效率低于高压级油分离器（36）的效率。

7. 发明授权

US09163622B2 Discharge muffler and two-stage compressor including the same 有权
标题翻译：排气消声器和包括相同的两级压缩机
公开(公告)号：US09163622B2
公开(公告)日：2015-10-20
申请号：US13259395
申请日：2010-03-24
申请人： Kenichi Sata , Shuuji Fujimoto
发明人： Kenichi Sata , Shuuji Fujimoto
IPC分类号： F25D19/00 , F04B39/00 , F01N1/02 , F01N1/00 , F25B43/00 , F25B43/02 , F25B31/00 , F04B39/02 , F04B39/04 , F04C29/02 , F04C29/06 , F24F13/24 , F04C18/356 , F04C23/00
CPC分类号： F04B39/0038 , F04B39/0061 , F04B39/023 , F04B39/0284 , F04B39/04 , F04B39/16 , F04C18/356 , F04C23/001 , F04C23/008 , F04C29/026 , F04C29/065 , F24F13/24 , F25B31/002 , F25B43/02 , F25B2500/12 , F25B2500/16
摘要： A discharge muffler includes a muffler container. In the muffler container, refrigerating machine oil is separated from refrigerant gas containing the refrigerating machine oil, and the refrigerating machine oil is stored in a lower space. An inlet of an outlet pipe connected to the muffler container opens in the lower space.
摘要翻译：排气消声器包括消音器容器。在消声器容器中，将制冷机油从含有冷冻机油的制冷剂气体中分离出来，冷藏机油储存在下部空间中。连接到消声器容器的出口管的入口在下部空间中打开。

8. 发明申请

US20100154467A1 Gas-Liquid Separator and Refrigeration System With Gas-Liquid Seperator 审中-公开
标题翻译：气液分离器和制冷系统与气液分离器
公开(公告)号：US20100154467A1
公开(公告)日：2010-06-24
申请号：US12087873
申请日：2007-01-16
申请人： Shuuji Fujimoto , Takahiro Yamaguchi
发明人： Shuuji Fujimoto , Takahiro Yamaguchi
IPC分类号： F25B1/00 , F25B43/00
CPC分类号： F25B1/10 , F25B41/00 , F25B43/00 , F25B2400/13 , F25B2400/23
摘要： A refrigeration system includes a refrigerant circuit including a gas-liquid separator (18) and operating in a two-stage compression and two-stage expansion refrigeration cycle. In the refrigerant circuit, intermediate-pressure gas-liquid two-phase refrigerant having flowed through an intermediate expansion valve after flowing through an outdoor heat exchanger is introduced through an inflow pipe (20) of the gas-liquid separator (18) into the vessel body (16) thereof and separated therein into liquid refrigerant and gas refrigerant. The liquid refrigerant flows out through a liquid outflow pipe (30), then flows through a main expansion valve and then through a refrigeration heat exchanger and is then sucked into a low-pressure stage compressor. The gas refrigerant flows out through a gas outflow pipe (40), is then fed to the suction side of a high-pressure stage compressor and is then sucked into the high-pressure stage compressor together with refrigerant discharged from the low-pressure stage compressor. The inflow pipe (20) is provided with a mesh member (50) for fragmentizing gas bubbles (80) of gas refrigerant in the gas-liquid two-phase refrigerant.
摘要翻译：制冷系统包括具有气液分离器（18）的制冷剂回路，并在两级压缩和二级膨胀制冷循环中运行。在制冷剂回路中，流过室外热交换器后流过中间膨胀阀的中压气液二相制冷剂通过气液分离器（18）的流入管（20）引入容器主体（16）分离成液体制冷剂和气体制冷剂。液体制冷剂通过液体流出管30流出，然后流过主膨胀阀，然后通过制冷热交换器，然后被吸入低压级压缩机。气体制冷剂通过气体流出管（40）流出，然后被供给到高压级压缩机的吸入侧，然后与从低压级压缩机排出的制冷剂一起被吸入高压级压缩机。流入管20设置有用于使气液二相制冷剂中的气体制冷剂的气泡（80）碎裂的网状部件（50）。

9. 发明申请

US20120011876A1 DISCHARGE MUFFLER AND TWO-STAGE COMPRESSOR INCLUDING THE SAME 有权
标题翻译：排气泵和两级压缩机，包括它们
公开(公告)号：US20120011876A1
公开(公告)日：2012-01-19
申请号：US13259395
申请日：2010-03-24
申请人： Kenichi Sata , Shuuji Fujimoto
发明人： Kenichi Sata , Shuuji Fujimoto
IPC分类号： F25D23/00
CPC分类号： F04B39/0038 , F04B39/0061 , F04B39/023 , F04B39/0284 , F04B39/04 , F04B39/16 , F04C18/356 , F04C23/001 , F04C23/008 , F04C29/026 , F04C29/065 , F24F13/24 , F25B31/002 , F25B43/02 , F25B2500/12 , F25B2500/16
摘要： A discharge muffler includes a muffler container. In the muffler container, refrigerating machine oil is separated from refrigerant gas containing the refrigerating machine oil, and the refrigerating machine oil is stored in a lower space. An inlet of an outlet pipe connected to the muffler container opens in the lower space.
摘要翻译：排气消声器包括消声器容器。在消声器容器中，将制冷机油从含有冷冻机油的制冷剂气体中分离出来，冷藏机油储存在下部空间中。连接到消声器容器的出口管的入口在下部空间中打开。

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