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1. 发明授权

EP2594866B1 HEAT PUMP SYSTEM 有权
公开(公告)号：EP2594866B1
公开(公告)日：2019-09-04
申请号：EP11806809.7
申请日：2011-07-13
申请人： Daikin Industries, Ltd.
发明人： NAKAYAMA, Hiroshi , FUJIMOTO, Shuji
IPC分类号： F25B1/10 , F24H1/00

2. 发明公开

EP2594866A1 HEAT PUMP SYSTEM 有权
标题翻译： WÄRMEPUMPENSYSTEM
公开(公告)号：EP2594866A1
公开(公告)日：2013-05-22
申请号：EP11806809.7
申请日：2011-07-13
申请人： Daikin Industries, Ltd.
发明人： NAKAYAMA, Hiroshi , FUJIMOTO, Shuji
IPC分类号： F25B1/10 , F24H1/00
CPC分类号： F25B30/02 , F24D3/18 , F24D17/02 , F24D19/1054 , F24D19/1087 , F25B1/10 , F25B40/00 , F25B2339/047 , F25B2400/072 , F25B2400/13 , Y02B30/12
摘要： Provided is a heat pump system that can make energy consumption efficiency satisfactory even when a fixed capacity ratio type multi-stage compression refrigeration cycle is used. A compression mechanism (20) has a low-stage compression mechanism. (22) and a high-stage compression mechanism (26) having a fixed capacity ratio relationship. A mixing valve (91) regulates the ratio between the flow rate of water flowing to an intercooler hot-water supply flow passage (90A) and the flow rate of water flowing to a gas cooler hot-water supply flow passage (90B). A controller (2) operates the mixing valve (91) so as to reduce the difference between an outlet refrigerant temperature of an intercooler (5) and an outlet refrigerant temperature of the high-stage compression mechanism (26).
摘要翻译：提供一种即使在使用固定容量比型多级压缩制冷循环时也能够使能量消耗效率满意的热泵系统。压缩机构（20）具有低级压缩机构。（22）和具有固定容量比关系的高级压缩机构（26）。混合阀（91）调节流入中间冷却器热水供给流路（90A）的水流量与流向气体冷却器热水供给流路（90B）的水流量之比。控制器（2）操作混合阀（91），以便减少中间冷却器（5）的出口制冷剂温度与高级压缩机构（26）的出口制冷剂温度之间的差。

3. 发明授权

EP2230475B1 REFRIGERATION DEVICE 有权
标题翻译：制冷设备
公开(公告)号：EP2230475B1
公开(公告)日：2012-06-06
申请号：EP08855423.3
申请日：2008-11-26
申请人： Daikin Industries, Ltd.
发明人： YOSHIMI, Atsushi , FUJIMOTO, Shuji
IPC分类号： F25B9/00 , F25B1/10 , F25B47/02
CPC分类号： F25B9/008 , F25B1/10 , F25B13/00 , F25B47/022 , F25B2309/061 , F25B2313/02741 , F25B2400/04 , F25B2400/072 , F25B2400/075 , F25B2400/13 , F25B2400/23
摘要： An air conditioner (1) uses carbon dioxide as the refrigerant and has a two-stage compression type compression mechanism (2), a heat source-side heat exchanger (4), an expansion mechanism (5), a utilization-side heat exchanger (6), a switching mechanism (3), an intermediate cooler (7) functioning as a cooler for the refrigerant discharged from a front stage-side compression element and sucked into a rear stage-side compression element, and an intermediate cooler bypassing tube (9). In defrosting operation for defrosting the heat source-side heat exchanger (4), the air conditioner (1) causes the refrigerant to flow to the heat source-side heat exchanger (4) and the intermediate cooler (7), and after detecting the completion of the defrosting of the intermediate cooler (7), the air conditioner (1) uses the intermediate cooler bypassing tube (9), causing the refrigerant not to flow to the intermediate cooler (7).
摘要翻译：空调机1使用二氧化碳作为制冷剂，具有2级压缩式的压缩机构2，热源侧热交换器4，膨胀机构5，利用侧热交换器4，（6），切换机构（3），作为从前级侧压缩部件排出的制冷剂起到冷却器作用并被吸入后级侧压缩部件的中间冷却器（7），以及中间冷却器旁通管（9）。在对热源侧热交换器（4）进行除霜的除霜运转中，空调机（1）使制冷剂流向热源侧热交换器（4）和中间冷却器（7），检测出完成中间冷却器7的除霜，空调器1使用中间冷却器旁通管9，使制冷剂不流向中间冷却器7。

4. 发明公开

EP2407734A1 HEAT PUMP SYSTEM 审中-公开
标题翻译：热泵系统
公开(公告)号：EP2407734A1
公开(公告)日：2012-01-18
申请号：EP10750582.8
申请日：2010-03-10
申请人： Daikin Industries, Ltd.
发明人： YAMADA, Takuro , OKUDA, Noriyuki , FUJIMOTO, Shuji , YOSHIMI, Atsushi
IPC分类号： F25B1/00 , F25B1/10 , F25B6/04
CPC分类号： F25B9/008 , F25B1/10 , F25B40/00 , F25B2309/061 , F25B2339/047 , F25B2400/072 , F25B2400/13 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152
摘要： There is provided a heat pump system capable of improving cycle efficiency in the processing of the heat load performed by a secondary refrigerant. A heat pump circuit (10) through which carbon dioxide refrigerant is circulating has a low-stage-side compression mechanism (21), a high-stage-side compression mechanism (25), an expansion mechanism (5), and an evaporator (4). An air-warming circuit (60) through which water as a secondary refrigerant circulates has a radiator (61). The air-warming circuit through which water as an air-warming heat medium circulates has an intermediate-pressure-side branching channel (67) and a high-pressure-side branching channel (68) which are parallel to each other. A controller (11) operates an air-warming mixing valve (64) so that the temperature of the secondary refrigerant heated by an intermediate-pressure water heat exchanger (40) and flowing in the intermediate-pressure-side branching channel (67) and the temperature of the secondary refrigerant heated by a second high-pressure water heat exchanger (52) and flowing in the high-pressure-side branching channel (68) are the same.
摘要翻译：提供了一种热泵系统，其能够提高由二次制冷剂执行的热负荷处理中的循环效率。二氧化碳制冷剂循环的热泵回路10具有低级侧压缩机构21，高级侧压缩机构25，膨胀机构5以及蒸发器（蒸发器） 4）。作为二次制冷剂的水循环的制热回路（60）具有散热器（61）。作为制暖热介质的水循环的制热回路具有相互平行的中压侧分支流路（67）和高压侧分支流路（68）。控制器（11）使制热混合阀（64）工作，以使由中压水热交换器（40）加热而在中压侧分支流路（67）中流动的二次制冷剂的温度和由第二高压水热交换器52加热并在高压侧分支流路68中流动的二次制冷剂的温度相同。

5. 发明公开

EP2306127A1 REFRIGERATION DEVICE 审中-公开
标题翻译：制冷设备
公开(公告)号：EP2306127A1
公开(公告)日：2011-04-06
申请号：EP09733732.3
申请日：2009-04-20
申请人： Daikin Industries, Ltd.
发明人： FUJIMOTO, Shuji , YOSHIMI, Atsushi
IPC分类号： F25B47/02 , F25B1/00 , F25B1/10 , F25B13/00
CPC分类号： F25B9/008 , F25B1/10 , F25B13/00 , F25B47/025 , F25B2309/061 , F25B2313/0272 , F25B2313/02741 , F25B2313/0315 , F25B2400/04 , F25B2400/072 , F25B2400/13 , F25B2400/23 , F25B2700/2106
摘要： An air-conditioning apparatus (1) uses carbon dioxide as a refrigerant, and has a two-stage compression-type compression mechanism (2), a heat source-side heat exchanger (4), an expansion mechanism (5), a usage-side heat exchanger (6), a switching mechanism (3), an intermediate heat exchanger (7) which functions as a cooler of refrigerant discharged from a first-stage compression element and drawn into a second-stage compression element, and an intermediate heat exchanger bypass tube (9). In the air-conditioning apparatus (1), the intermediate heat exchanger (7) is disposed above the heat source-side heat exchanger (4), and when a reverse cycle defrosting operation is performed for defrosting the heat source-side heat exchanger (4) by switching the switching mechanism (3) to a cooling operation state, the intermediate heat exchanger bypass tube (9) is used to ensure that refrigerant does not flow to the intermediate heat exchanger (7).
摘要翻译：空调装置（1）使用二氧化碳作为制冷剂，具有二级压缩式的压缩机构（2），热源侧热交换器（4），膨胀机构（5），用途（6），切换机构（3），作为从前级侧压缩部件排出的制冷剂的冷却器而发挥功能的中间热交换器（7）被吸入后级侧压缩部件，中间热交换器换热器旁路管（9）。在空气调节装置（1）中，中间热交换器（7）配置在热源侧热交换器（4）的上方，在为了对热源侧热交换器（4）进行除霜而进行逆循环除霜运转时 4）通过将切换机构（3）切换到制冷运转状态，中间热交换器旁通管（9）用于确保制冷剂不流向中间热交换器（7）。

6. 发明授权

EP2309207B1 REFRIGERATION DEVICE 有权
公开(公告)号：EP2309207B1
公开(公告)日：2020-03-04
申请号：EP09742705.8
申请日：2009-04-30
申请人： Daikin Industries, Ltd.
发明人： FUJIMOTO, Shuji , YOSHIMI, Atsushi
IPC分类号： F25B1/00 , F25B1/10 , F25B45/00 , F25B13/00

7. 发明授权

EP2230472B1 Refrigeration apparatus 有权
公开(公告)号：EP2230472B1
公开(公告)日：2018-07-25
申请号：EP08854570.2
申请日：2008-11-28
申请人： Daikin Industries, Ltd.
发明人： FUJIMOTO, Shuji , YOSHIMI, Atsushi , UENO, Yoshio , FUJIYOSHI, Ryusuke , KURIHARA, Toshiyuki , YOSHIOKA, Shun
IPC分类号： F25B1/00 , F25B9/00
CPC分类号： F25B9/008 , F25B1/10 , F25B13/00 , F25B31/004 , F25B39/00 , F25B2309/061 , F25B2313/02741 , F25B2400/075 , F25B2400/13 , F25B2400/23 , F25B2600/17
摘要： An air-conditioning apparatus (1) uses carbon dioxide as a refrigerant, and comprises a two-stage-compression-type compression mechanism (2), a heat source-side heat exchanger (4), an expansion mechanism (5), a usage-side heat exchanger (6), and an intercooler (7) which is provided to an intermediate refrigerant tube (8) for drawing the refrigerant discharged from a first-stage compression element (2c) into a second-stage compression element (2d), and which functions as a cooler of the refrigerant discharged from the first-stage compression element and drawn into the second-stage compression element. The intercooler (7) constitutes a heat exchanger integrated with the heat source-side heat exchanger (4), and the intercooler is disposed in the upper part of the heat exchanger.

8. 发明公开

EP2230473A1 FREEZING APPARATUS 有权
标题翻译： GEFRIERVORRICHTUNG
公开(公告)号：EP2230473A1
公开(公告)日：2010-09-22
申请号：EP08855512.3
申请日：2008-11-26
申请人： Daikin Industries, Ltd.
发明人： FUJIMOTO, Shuji , YOSHIMI, Atsushi
IPC分类号： F25B1/10 , F04C23/00 , F04C29/04 , F25B1/00 , F25B1/04
CPC分类号： F25B13/00 , F25B9/008 , F25B2309/061 , F25B2313/0272 , F25B2313/02741 , F25B2400/075 , F25B2400/13 , F25B2400/23
摘要： In a refrigeration apparatus using a refrigerant that operates in a region including critical processes, there is provided a refrigeration apparatus capable of increasing the degree of freedom for adjusting the flow rate of refrigerant circulated by multistage compression-type compression elements and improving operating efficiency while suppressing an increase in the size of the apparatus. A compression mechanism (302) includes a first compressor (303) having a compression element (303c) and a compression element (303d) for further increasing the pressure of the refrigerant, and a second compressor (304) having a compression element (304c) and a second high-pressure compression element (304d) for further increasing the pressure of the refrigerant. The intercooler (7) cools refrigerant that passes therethrough. The intermediate refrigerant pipe (8) causes refrigerant discharged by the compression element (303c) and the refrigerant discharged by the compression element (304c) to pass through the intercooler (7) and be sucked into the compression element (303d) and the compression element (304d). The compression element (303c) and the compression element (304c) are connected to the intake side. The compression element (303d) and the compression element (304d) merge on the discharge side.
摘要翻译：在使用在包括关键工序的区域中工作的制冷剂的制冷装置中，设置有能够提高用于调节由多级压缩型压缩元件循环的制冷剂的流量的自由度的制冷装置，并且在抑制设备尺寸的增加。压缩机构302包括：第一压缩机303，其具有用于进一步增加制冷剂压力的压缩元件303c和压缩元件303d;第二压缩机304具有压缩元件304c，和用于进一步增加制冷剂压力的第二高压压缩元件（304d）。中间冷却器（7）冷却通过其中的制冷剂。中间制冷剂配管（8）使由压缩元件（303c）排出的制冷剂，由压缩元件（304c）排出的制冷剂通过中间冷却器（7）并被吸入压缩元件（303d），压缩元件（304D）。压缩元件（303c）和压缩元件（304c）连接到进气侧。压缩元件（303d）和压缩元件（304d）在排出侧合流。

9. 发明公开

EP2230471A1 REFRIGERATION DEVICE 审中-公开
标题翻译：制冷设备
公开(公告)号：EP2230471A1
公开(公告)日：2010-09-22
申请号：EP08854068.7
申请日：2008-11-26
申请人： Daikin Industries, Ltd.
发明人： FUJIMOTO, Shuji , YOSHIMI, Atsushi , UENO, Yoshio , FUJIYOSHI, Ryusuke , KURIHARA, Toshiyuki
IPC分类号： F25B1/10 , F25B1/00 , F25B43/02
CPC分类号： F25B9/008 , F25B1/10 , F25B13/00 , F25B31/004 , F25B2309/061 , F25B2400/072 , F25B2400/075 , F25B2400/13 , F25B2400/23
摘要： An air-conditioning apparatus (1) uses carbon dioxide as a refrigerant, and has a two-stage compression-type compression mechanism (2), a heat source-side heat exchanger (4), an expansion mechanism (5), a usage-side heat exchanger (6), an intercooler (7) which is provided to an intermediate refrigerant tube (8) for drawing refrigerant discharged from a first-stage compression element into a second-stage compression element and which functions as a cooler of refrigerant discharged from the first-stage compression element and drawn into a second-stage compression element, and an intermediate oil separation mechanism (16) for separating from the refrigerant a refrigeration oil that accompanies the refrigerant discharged from the first-stage compression element and for returning the refrigeration oil to the intake side of the compression mechanism (2), the intermediate oil separation mechanism being provided to a section of the intermediate refrigerant tube (8) between the first-stage compression element and an inlet of the intercooler (7).
摘要翻译：空调装置（1）使用二氧化碳作为制冷剂，具有二级压缩式的压缩机构（2），热源侧热交换器（4），膨胀机构（5），用途（6），设置于中间制冷剂管（8）的中间冷却器（7），该中间冷却器（7）将从前级侧压缩部件排出的制冷剂吸入后级侧压缩部件中，作为制冷剂从前级侧压缩部件排出并被吸入后级侧压缩部件;以及中间油分离机构（16），其使从前级侧压缩部件排出的制冷剂伴随的冷冻机油从制冷剂中分离并返回所述中间油分离机构设置在所述中间制冷剂管（8）的位于所述第一级压缩机（2）与所述中间制冷剂管激冷元件和中间冷却器（7）的入口。

10. 发明公开

EP4166865A1 REFRIGERANT CIRCUIT DEVICE ASSESSMENT SYSTEM 审中-实审
公开(公告)号：EP4166865A1
公开(公告)日：2023-04-19
申请号：EP21821225.6
申请日：2021-06-04
申请人： Daikin Industries, Ltd.
发明人： FUJIMOTO, Shuji , INAO, Akihiro , SADAI, Shizuka , KASAHARA, Shinichi
IPC分类号： F25B1/00 , F24F11/30 , F25B49/02
摘要： Providing a refrigerant circuit apparatus evaluation system, which, when a plurality of refrigerant circuit apparatuses is installed, may accurately determine whether a heat source unit of each refrigerant circuit apparatus adversely affects the operation of a different refrigerant circuit apparatus. A refrigerant circuit apparatus evaluation system (100) includes an acquisition unit (112) and a determination unit (114). The acquisition unit acquires operation data on a first air-conditioning apparatus (1A). The first air-conditioning apparatus includes a first heat source unit. The determination unit determines whether an operation of a second heat source unit different from the first heat source unit has an adverse effect on an operation of the first heat source unit based on the operation data on the first air-conditioning apparatus acquired by the acquisition unit when the first air-conditioning apparatus and a second air-conditioning apparatus including the second heat source unit are simultaneously operating.

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