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公开(公告)号:EP1416231B1
公开(公告)日:2008-05-14
申请号:EP03019372.6
申请日:2003-08-27
CPC分类号: F25B9/06 , F25B1/10 , F25B9/008 , F25B13/00 , F25B2309/061
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公开(公告)号:EP1441185A3
公开(公告)日:2004-10-06
申请号:EP04000745.2
申请日:2004-01-15
发明人: Nakatani, Kazuo , Kawabe, Yoshikazu , Inoue, Yuji , Okaza, Noriho
CPC分类号: F25B1/10 , F25B9/008 , F25B13/00 , F25B31/006 , F25B2309/061 , F25B2400/13 , F25B2400/23 , F25B2600/2509 , F25B2700/1931 , F25B2700/1933 , F25B2700/21152
摘要: In the case of gas injection, a discharging temperature is not reduced sufficiently, and if an amount of injection is increased, a liquid refrigerant flows into a cylinder and the liquid is compressed, and the reliability can not be ensured. A refrigerator wherein at least a compressor, a radiator, a first throttle apparatus and an evaporator are connected to one another in an annular form to constitute a main circuit of a refrigeration cycle, a refrigerant which can be brought into a supercritical state by the radiator during operation is charged into the refrigeration cycle, the refrigerator comprises an injection pipe for injecting the refrigerant on the side of an outlet of the radiator into a cylinder of the compressor.
摘要翻译: 在气体注入的情况下,排出温度不能充分降低,并且如果喷射量增加,液体制冷剂流入气缸并且液体被压缩,并且不能确保可靠性。 一种冰箱,其中至少一个压缩机,散热器,第一节流装置和蒸发器以环形的形式彼此连接以构成制冷循环的主回路,可以进入超临界的制冷剂 在制冷循环中将散热器的状态充入制冷循环,冰箱包括用于将散热器出口侧的制冷剂喷射到压缩机的气缸中的喷射管。
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公开(公告)号:EP0574897A1
公开(公告)日:1993-12-22
申请号:EP93109626.7
申请日:1993-06-16
IPC分类号: C09K5/04
CPC分类号: C09K5/045 , C09K2205/11 , C09K2205/112 , C09K2205/43
摘要: A mixed working fluid having almost no influence on stratosphere ozone layer and capable of being a substitute for R22, comprising 15 to 90 % by weight perfluorodimethylether and one or two selected from fluorinated dimethylethers consisting of exclusively two carbon atoms, one oxygen atom, hydrogen atoms and fluorine atoms, said fluorodimethylether being selected from the group consisting of 85 % by weight or less pentafluorodimethylether, 50 % by weight or less dimethylether, 60 % by weight or less trifluorodimethylether, 60 % by weight or less tetrafluorodimethylether, and 50 % by weight or less difluorodimethylether.
摘要翻译: 一种对平流层臭氧层几乎没有影响并能够代替R22的混合工作流体,其包含15至90重量%的全氟二甲基醚和一个或两个选自仅由两个碳原子组成的氟化二甲醚,一个氧原子,氢原子 和氟原子,所述氟代二甲基醚选自85重量%或更少的五氟二甲基醚,50重量%或更少的二甲醚,60重量%或更少的三氟代甲基醚,60重量%或更少的四氟二甲基醚和50重量% 或更少的二氟二甲醚。
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公开(公告)号:EP0518394A2
公开(公告)日:1992-12-16
申请号:EP92115912.5
申请日:1989-12-28
发明人: Nakatani, Kazuo , Ikoma, Mitsuhiro , Yoshida, Yuji , Tomizawa, Takeshi , Arita, Koji , Tagashira, Minoru
IPC分类号: F25B9/00
摘要: The structure is arranged in such a manner that nonazeotropic mixed refrigerant is enclosed therein and the fractioning/separating device (15) is disposed in the low pressure circuit in the main circuit of refrigerating cycle so as to conduct separation operation, the fraction/separation can be conducted at a low pressure in a separation mode. Heat pump apparatus comprising a compressor (11), a condenser (12), a restrictor (13), an evaporator (14) and a fractioning/separating device (15). A reservoir (16) and a heater (17) are disposed below the fractioning/separating device (15), the reservoir (16) having the lower portion connected to the evaporator (14) via a valve (18).
摘要翻译: 该结构以非共沸混合制冷剂被封入其中,并且分级/分离装置(15)设置在制冷循环主回路中的低压回路中以进行分离操作,馏分/分离罐 在分离模式下以低压进行。 包括压缩机(11),冷凝器(12),限流器(13),蒸发器(14)和分馏/分离装置(15)的热泵装置。 储存器(16)和加热器(17)设置在分馏/分离装置(15)的下方,储存器(16)的下部经由阀(18)连接到蒸发器(14)。
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公开(公告)号:EP0377329A3
公开(公告)日:1991-11-06
申请号:EP89313661.4
申请日:1989-12-28
发明人: Nakatani, Kazuo , Ikoma, Mitsuhiro , Yoshida, Yuji , Tomizawa, Takeshi , Arita, Koji , Tagashira, Minoru
摘要: Heat pump apparatus comprising a compressor (11), a condenser (12), a restrictor (13), an evaporator (14) and a fractioning/separating device (15). A reservoir (16) and a heater (17) are disposed below the fractioning/separating device (15), the reservoir (16) having the lower portion connected to the evaporator (14) via the valve (18). The structure is arranged in such a manner that nonazeotropic mixed refrigerant is enclosed therein and the fractioning/separating device (15) is disposed in the low pressure circuit in the main circuit of refrigerating cycle so as to conduct separation operation, the fraction/separation can be conducted at a low pressure in a separation mode.
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公开(公告)号:EP0301503A2
公开(公告)日:1989-02-01
申请号:EP88112126.3
申请日:1988-07-27
CPC分类号: F25B9/006 , F25B13/00 , F25B2341/0014
摘要: A heat pump system which comprises a main heat pump circuit filled with non-azeotropic mixed coolant and including a compressor (11), a utility-side heat exchanger (12), a throttling device (13), a source-side heat exchanger (14), etc.,; a fractionating separator (15) having an upper end fluid-connected with an exit side of the utility-side heat exchanger; a reservoir (18) disposed beneath the fractionating separator (15) and having a bottom fluid-connected through a shut-off valve (19) with a low pressure piping on an inlet side of either the source-side heat exchanger (14) or the utility-side heat exchanger (12); and a coolant ejector (16) disposed between the compressor and the utility-side heat exchanger, wherein a gaseous medium generated from the fractionating separator (15) when the reservoir (18) is heated is guided to a suction port of the coolant ejector (16) to flow into the main heat pump circuit.
摘要翻译: 一种热泵系统,其包括填充有非共沸混合冷却剂的主热泵回路,包括压缩机(11),利用侧热交换器(12),节流装置(13),源侧热交换器 14)等; 分流分离器(15),其具有与所述公用侧热交换器的出口侧流体连接的上端; 设置在分馏分离器(15)下方并且具有通过截止阀(19)流体连接的底部的储液器(18),其具有在源侧热交换器(14)的入口侧上的低压管道 所述利用侧热交换器(12); 以及设置在压缩机和利用侧热交换器之间的冷却剂喷射器(16),其中当储存器(18)被加热时从分馏分离器(15)产生的气体介质被引导到冷却剂喷射器的吸入口 16)流入主热泵回路。
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公开(公告)号:EP0174027A2
公开(公告)日:1986-03-12
申请号:EP85111242.5
申请日:1985-09-05
发明人: Yoshida, Yuji , Suzuki, Shigeo , Nakatani, Kazuo , Mukai, Yuji , Nakazawa, Akira , Imoto, Takumi
CPC分类号: F25B9/006 , F25B49/025 , F25B2600/021 , Y02B30/741
摘要: A heat pump apparatus has a mixed refrigerants which comprises a major constituent refrigerant which is above 50% by weight of total refrigerant enclosed in the refrigerating circuit provided with the frequency variable compressor, and a minor constituent refrigerant which have lower critical pressure than that of the former.
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公开(公告)号:EP1717528A2
公开(公告)日:2006-11-02
申请号:EP06008291.4
申请日:2006-04-21
CPC分类号: F28D7/106 , F25B9/008 , F25B40/00 , F25B2309/061 , F25B2500/01 , F28D7/0041
摘要: In a refrigeration cycle apparatus in which carbon dioxide is used as refrigerant and refractory oil is used as lubricating oil in a compressor, it is an object of the present invention to reduce influence of adhesion of lubricating oil to the internal heat exchanger, and to enhance the heat exchanging efficiency of the internal heat exchanger.
A refrigeration cycle apparatus in which a compressor 11, a radiator 12, an expansion valve 13 and an evaporator 14 are connected to one another through tubes, said refrigeration cycle apparatus comprises an internal heat exchanger 30 for exchanging heat between a high pressure refrgerant wich flows out from said radiator 12 and low pressure refrigerant which flows out from said evaporator 14, wherein carbon dioxide is used as the refrigerant, refractory oil is used as lubricating oil in said compressor 11, said internal heat exchanger 30 comprises a first heat exchanger tube 31 through which the high pressure refrigerant in a supercritical region flows and a second heat exchanger tube 32 through which the low pressure refrigerant flows , said first heat exchanger tube 31 is disposed in said second heat exchanger tube 32.摘要翻译: 在使用二氧化碳作为制冷剂的制冷循环装置和在压缩机中使用耐火油作为润滑油的情况下,本发明的目的是减少润滑油对内部热交换器的附着力的影响,并且增强 内部热交换器的热交换效率。 一种制冷循环装置,其中压缩机11,散热器12,膨胀阀13和蒸发器14通过管彼此连接,所述制冷循环装置包括内部热交换器30,用于在流动的高压重力 从所述散热器12和从所述蒸发器14流出的低压制冷剂,其中使用二氧化碳作为制冷剂,在所述压缩机11中使用耐火油作为润滑油,所述内部热交换器30包括第一热交换器管31 超临界区域中的高压制冷剂通过该流路和低压制冷剂流过的第二热交换管32,所述第一热交换器管31设置在所述第二热交换管32中。
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公开(公告)号:EP1411308A2
公开(公告)日:2004-04-21
申请号:EP03019272.8
申请日:2003-08-26
CPC分类号: F25B9/06 , F25B1/10 , F25B9/008 , F25B13/00 , F25B2309/061 , F25B2313/0272 , F25B2313/02741 , F25B2313/02743
摘要: It is an object of the present invention to reduce the constraint that the density ratio is constant as small as possible, and to obtain high power recovering effect in a wide operation range. A refrigeration cycle apparatus uses carbon dioxide as refrigerant and has a compressor (1), an outdoor heat exchanger (3), an expander (6), an indoor heat exchanger (8) and an auxiliary compressor (10). The auxiliary compressor (10) is driven by power recover by the expander (6). When refrigerant flows using the indoor heat exchanger (8) as an evaporator, a discharge side of the auxiliary compressor (10) becomes a suction side of the compressor (1), and when refrigerant flows using the indoor heat exchanger (8) as a gas cooler, a discharge side of the compressor (1) becomes a suction side of the auxiliary compressor (10).
摘要翻译: 本发明的目的是减小密度比恒定的约束尽可能小,并且在宽的操作范围内获得高功率恢复效果。 制冷循环装置使用二氧化碳作为制冷剂,具有压缩机(1),室外热交换器(3),膨胀机(6),室内热交换器(8)和辅助压缩机(10)。 辅助压缩机(10)由膨胀机(6)恢复动力驱动。 当制冷剂使用室内热交换器(8)作为蒸发器流动时,辅助压缩机(10)的排出侧成为压缩机(1)的吸入侧,并且当制冷剂使用室内热交换器(8)作为 气体冷却器,压缩机(1)的排出侧成为辅助压缩机(10)的吸入侧。
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公开(公告)号:EP0518394B1
公开(公告)日:1996-08-14
申请号:EP92115912.5
申请日:1989-12-28
发明人: Nakatani, Kazuo , Ikoma, Mitsuhiro , Yoshida, Yuji , Tomizawa, Takeshi , Arita, Koji , Tagashira, Minoru
IPC分类号: F25B9/00
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