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1. 发明专利

JP2013210160A Refrigerating apparatus 审中-公开
标题翻译：制冷设备
公开(公告)号：JP2013210160A
公开(公告)日：2013-10-10
申请号：JP2012081362
申请日：2012-03-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： IWATA YASUHIRO , OKAMOTO TETSUYA , YO KUNITADA , KOSHO KAZUHIRO
IPC分类号： F25B47/02 , F25B1/10
摘要： PROBLEM TO BE SOLVED: To shorten time needed for defrosting in an air conditioning apparatus performing multistage compression.SOLUTION: An air conditioning apparatus 10 includes a four-stage compressor 20, a fourth heat exchanger 44, first to third heat exchangers 41-43 to cool an intermediate pressure refrigerant in the course of compression during a cooling operation, an indoor heat exchanger 12a, switching mechanisms 31-34, an expansion mechanism 70, and a control part. The control part controls the conditions of the switching mechanisms 31-34 lest the intermediate pressure refrigerant should pass the first to third heat exchangers 41-43 during compression in an operation of defrosting the frost attached on the first to fourth heat exchangers 41-44 so that the high-pressure refrigerant discharged from a highest-stage fourth compression part 24 of the four-stage compressor 20 flows in a fourth heat exchanger 44 and the first to third heat exchangers 41-43.
摘要翻译：要解决的问题：缩短进行多级压缩的空调装置中的除霜所需的时间。解决方案：空调装置10包括四级压缩机20，第四热交换器44，第一至第三热交换器41-43至在制冷运转时，在压缩过程中冷却中压制冷剂，室内热交换器12a，切换机构31-34，膨胀机构70，以及控制部。控制部分控制切换机构31-34的条件，以免在霜冻附着在第一至第四热交换器41-44上的霜的操作中，压缩期间中压制冷剂应通过第一至第三热交换器41-43，从而从四级压缩机20的最高级第四压缩部24排出的高压制冷剂在第四热交换器44和第一至第三热交换器41-43中流动。

2. 发明专利

JP2013210158A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2013210158A
公开(公告)日：2013-10-10
申请号：JP2012081360
申请日：2012-03-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： OKAMOTO TETSUYA , KOSHO KAZUHIRO , IWATA YASUHIRO , YO KUNITADA
IPC分类号： F25B1/10 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To enhance efficiency of operation of a device carrying out multi-stage compressing refrigerating cycle.SOLUTION: In an air conditioning device 10, an injection piping 61a branches refrigerant sent from an outdoor heat exchanger 40 to an expansion mechanism 70 and merges refrigerant becoming a middle pressure by a fifth outdoor electric valve 61b to refrigerant sucked into a third compressing section 23 of a four-stage compressor 20. An economizer heat exchanger 61 exchanges heat between refrigerant sent from the outdoor heat exchanger 40 to the expansion mechanism 70 and refrigerant sent from the fifth outdoor electric valve 61b to the third compressing section 23. An inside heat exchanger 62 changes heat between refrigerant sent from the outdoor heat exchanger 40 to the expansion mechanism 70 and refrigerant sent from an indoor heat exchanger 12a to the first compressing section 21 of the four-stage compresser 20. Refrigerant sent from the outdoor, heat exchanger 40 to the expansion mechanism 70 first flows through the economizer heat exchanger 61 and then flows through the inside heat exchanger 52.
摘要翻译：要解决的问题：提高进行多级压缩制冷循环的装置的运转效率。解决方案：在空调装置10中，喷射配管61a将从室外热交换器40送出的制冷剂分流到膨胀机构70，将被第五室外电动阀61b成为中间压力的制冷剂与吸入四级压缩机20的第三压缩部23的制冷剂合流。节能器热交换器61将从室外热交换器40送出的制冷剂与膨胀机构 70和从第五室外电动阀61b向第三压缩部23输送的制冷剂。内部热交换器62使从室外热交换器40送出的制冷剂与膨胀机构70之间的热量和从室内热交换器12a输送到第一压缩部分21的四级压缩机20.制冷剂从室外发送，热交换膨胀机构70首先流经节能器热交换器61，然后流过内侧热交换器52。

3. 发明专利

JP2013210133A Refrigerating device 有权
标题翻译：制冷装置
公开(公告)号：JP2013210133A
公开(公告)日：2013-10-10
申请号：JP2012080419
申请日：2012-03-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： OKAMOTO TETSUYA , KOSHO KAZUHIRO , IWATA YASUHIRO , YO KUNITADA
IPC分类号： F25B1/10 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To enhance efficiency of operation, in a refrigerating device capable of switching between a cooling operation and a heating operation.SOLUTION: An air conditioner 10 can be switched to cooling operation and warming operation and has a four-stage compressor 20, first to fourth heat exchangers 41 to 44, and an indoor heat exchanger 12a, and an expanding mechanism 70, and an inside heat exchanger 62. The fourth heat exchanger 44 functions as a heat radiator during cooling operation and functions as an evaporator during warming operation. The first to third heat exchanger 41 to 43 function as coolers during cooling operation and functions as evaporators during warming operation. The inside heat exchanger 62 exchanges heat between refrigerant supplied from the fourth heat exchanger 44 to the four-step compressor 20 and refrigerant supplied from the indoor heat exchanger 12 to the expanding mechanism 70 during warming operation. The refrigerant flows parallel through the first to fourth heat exchangers 41 to 44 during warming operation. The refrigerant supplied from the first to third heat exchangers 41 to 43 to the four-step compressor 20 merges with the refrigerant supplied from the fourth heat exchanger 44 to the four-step compressor 20 in a downstream from the exit from the inside heat exchanger during warming operation.
摘要翻译：要解决的问题：为了提高能够在制冷运转和加热运转之间切换的制冷装置，提高运转效率。解决方案：空调机10可切换到制冷运转和升温运转，并具有四级压缩机20 第一至第四热交换器41至44，以及室内热交换器12a和膨胀机构70以及内部热交换器62.第四热交换器44在制冷运转时用作散热器，并且在加热期间用作蒸发器操作。第一至第三热交换器41至43在制冷操作期间用作冷却器，并且在加温操作期间用作蒸发器。内部热交换器62在暖气运转期间将从第四热交换器44供给的制冷剂与四级压缩机20以及从室内热交换器12供给到膨胀机构70的制冷剂进行热交换。在制暖运转时，制冷剂通过第一至第四热交换器41〜44平行流动。从第一热交换器41至第三热交换器43供给到四级压缩机20的制冷剂与从第四热交换器44供给的制冷剂在四通压缩机20的出口处从内侧热交换器的下游侧合流变暖操作。

4. 发明专利

JP2013061091A Refrigeration device 有权
标题翻译：制冷装置
公开(公告)号：JP2013061091A
公开(公告)日：2013-04-04
申请号：JP2011197946
申请日：2011-09-12
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： FURUI HIDEJI , KOSHO KAZUHIRO , FUJINO HIROKAZU , YO HIROSHI
IPC分类号： F25B5/02 , F25B39/00
CPC分类号： F25B30/02 , F25B13/00 , F25B39/00 , F25B40/02 , F25B2313/025 , F25B2313/02741 , F25B2600/2507 , F25B2600/2513 , F28D1/05391 , F28F2215/02
摘要： PROBLEM TO BE SOLVED: To improve the evaporation capacity of a heat source side heat exchanger in a refrigeration device including the heat source side heat exchanger and a use side heat exchanger.SOLUTION: An air conditioner (10) being a refrigeration device includes a degree-of-superheat controller (71) for controlling the opening degree of an expansion valve (33) in such a way that a merged refrigerant having passed through a main heat exchange unit (50) and an auxiliary heat exchange unit (55) reaches a predetermined degree of superheat during the evaporation operation of an outdoor heat exchanger (40). The air conditioner (10) also includes: a flow rate adjustment valve (66) for adjusting the flow rate ratio of a refrigerant that flows to the main heat exchange unit (50) and refrigerant that flows to the auxiliary heat exchange unit (55) during the evaporation operation of the outdoor heat exchanger (40); and a flow rate ratio controller (72) for controlling the flow rate adjustment valve (66) in such a way that the temperatures of a refrigerant that has passed through the main heat exchange unit (50) and a refrigerant that has passed through the auxiliary heat exchange unit (55) are substantially the same.
摘要翻译：要解决的问题：提高包括热源侧热交换器和使用侧热交换器的制冷装置中的热源侧热交换器的蒸发能力。解决方案：作为制冷装置的空调装置（10）包括用于控制膨胀阀（33）的开度的过热度控制器（71），使得已经通过在室外热交换器40的蒸发动作期间，主热交换单元50和辅助热交换单元55达到规定的过热度。空气调节器10还包括：用于调节流向主热交换单元（50）的制冷剂和流向辅助热交换单元（55）的制冷剂的流量比的流量调节阀（66）在室外热交换器（40）的蒸发动作期间，以及流量比率控制器（72），其用于控制流量调节阀（66），使得已经通过主热交换单元（50）的制冷剂的温度和已经通过辅助热交换器热交换单元55基本相同。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2011012629A Scroll compressor 审中-公开
标题翻译：滚动压缩机
公开(公告)号：JP2011012629A
公开(公告)日：2011-01-20
申请号：JP2009158983
申请日：2009-07-03
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： KOSHO KAZUHIRO , OKAMOTO TETSUYA , KONO TAKAYUKI , YO HIROSHI
IPC分类号： F04C18/02 , F04C29/04
摘要： PROBLEM TO BE SOLVED: To enhance a cooling effect to a compressed gas in a scroll compressor for cooling the compressed gas by supplying a cooling fluid to a fixed scroll and a turning scroll.SOLUTION: A scroll compressor (171) is provided with a cooling fluid circuit (180) for supplying refrigerating machine oil stored as a cooling fluid in an oil sump (130) to a fixed side passage (40) of a fixed scroll (30) and a turning side passage (60) of a turning scroll (50). The fixed side passage (40) and the turning side passage (60) contain passages (41, 61) in wraps and passages (42, 62) in mirror plates through which the refrigerating machine oil circulates, and the fixed side passage (40) and the turning side passage (60) have leak ports (48, 67) allowing a part of the refrigerating machine oil circulating through the passages (41, 61) in wraps to be leaked out of tips of wraps (33, 53) to a compression chamber (23).
摘要翻译：要解决的问题：通过将冷却流体供给到固定涡旋件和转动涡旋件来提高对用于冷却压缩气体的涡旋压缩机中的压缩气体的冷却效果。涡旋压缩机（171）具有冷却用于将储存在油底壳（130）中的作为冷却流体的冷冻机油供应到固定涡旋盘（30）的固定侧通道（40）和转动涡旋件的转向侧通道（60）的流体回路（180） 50）。固定侧通路（40）和转向侧通路（60）在冷冻机油所循环的反射镜板中包含通
路（41,46），固定侧通路（40）所述转向侧通路（60）具有允许通过所述通路（41,61）循环的部分所述制冷机油从所述包装（33,53）的顶端泄漏到所述封闭容器压缩室（23）。

6. 发明专利

JP2013210156A Refrigerating apparatus 审中-公开
标题翻译：制冷设备
公开(公告)号：JP2013210156A
公开(公告)日：2013-10-10
申请号：JP2012081215
申请日：2012-03-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： IWATA YASUHIRO , OKAMOTO TETSUYA , YO KUNITADA , KOSHO KAZUHIRO
IPC分类号： F25B1/10 , F28F9/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating apparatus capable of suppressing a pressure loss of air passing through a heat exchanging part as well as a pressure loss of a refrigerant flowing in the heat exchanging part and further capable of suppressing a decrease in workability of an operator.SOLUTION: A refrigerating apparatus includes a four-stage compression mechanism 20, sub heat exchanging parts 41a-41c that cool a refrigerant discharged from former-stage compressors out of multiple compressors 21-24 to be inhaled into latter-stage compressors during a cooling operation, a main heat exchanging part 41d that cools the refrigerant discharged from the latter-stage last compressor out of the multiple compressors 21-24 during the cooling operation, a heat exchanging part 41 in which the refrigerant flows in parallel with the sub heat exchanging parts 41a-41c and main heat exchanging part 41d and the parts function as a refrigerant evaporator during a heating operation, a first header 42 that is connected to a refrigerant flow-in side part when the main heat exchanging part 41d and sub heat exchanging parts 41a-41c are used for the heating operation, and a first partition part that partitions the inside of the first header 42 into a first space communicating to the main heat exchanging part 41d and a second space communicating to the sub heat exchanging parts 41a-41c.
摘要翻译：要解决的问题：提供一种制冷装置，其能够抑制通过热交换部的空气的压力损失以及在热交换部中流动的制冷剂的压力损失，并且还能够抑制作用性的降低操作者。解决方案：一种制冷装置，包括四级压缩机构20，辅助热交换部分41a-41c，其将从前级压缩机排出的制冷剂从多压缩机21-24中冷却，以在一段时间内吸入后级压缩机制冷运转时，在制冷运转时将从后级最后压缩机排出的制冷剂从多个压缩机21-24冷却的主热交换部41d，制冷剂与副热同时流动的热交换部41 交换部分41a-41c和主热交换部分41d，并且这些部分在加热操作期间用作制冷剂蒸发器主热交换部41d和副热交换部41a〜41c用于制热运转时与制冷剂流入侧部连接的第一分隔部42以及将第一集管42的内部分割为与主热交换部41d连通的第一空间和与副热交换部41a-41c连通的第二空间。

7. 发明专利

JP2013210132A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2013210132A
公开(公告)日：2013-10-10
申请号：JP2012080418
申请日：2012-03-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： OKAMOTO TETSUYA , KOSHO KAZUHIRO , IWATA YASUHIRO , YO KUNITADA
IPC分类号： F25B1/10
摘要： PROBLEM TO BE SOLVED: To enhance efficiency of operation, in a refrigerating device capable of switching between a cooling operation and a heating operation.SOLUTION: An air conditioner 10 has a four-stage compressor 20, a fourth heat exchanger 44, an indoor heat exchanger 12a, an expanding mechanism 70, a bridge circuit 55, an inside heat exchanger 62, an injection piping 61a, and an economizer heat exchanger 61. The fourth heat exchanger 44 functions as an heat radiator during cooling operation and functions as an evaporator during worming operation. The indoor heat exchanger 12a functions as an evaporator during cooling operation and functions as a heat radiator during warming operation. The indoor heat exchanger 62 exchanges heat between refrigerant supplied from the indoor heat exchanger 12a to the four-stage compressor 20 and refrigerant supplied from the fourth heat exchanger 44 to the expanding mechanic 70. The economizer heat exchanger 61 exchanges heat between refrigerant supplied from the heat radiator to the expansion mechanism 70 and refrigerant in a middle pressure flowing an injection piping 61a. The economizer heat exchanger 61 and the inside heat exchanger 62 are arranged in the first bridge piping 56a where refrigerant does not flow when warming the bridge circuit 55.
摘要翻译：要解决的问题：为了提高能够在制冷运转和制热运转之间切换的制冷装置，提高运转效率。空调装置10具有四级压缩机20，第四热交换器44，室内热量交换器12a，膨胀机构70，桥接电路55，内部热交换器62，注入管道61a和节能器热交换器61.第四热交换器44在制冷运转时用作散热器，并且作为蒸发器起作用蠕虫操作。室内热交换器12a在制冷运转时用作蒸发器，在加温运转时用作散热器。室内热交换器62将从室内热交换器12a供给的制冷剂与四级压缩机20以及从第四热交换器44供给到制冷剂70的制冷剂进行热交换。节能器热交换器61将供给的制冷剂散热器到膨胀机构70和中压的制冷剂流入注入管道61a。节能器热交换器61和内部热交换器62配置在第一桥式配管56a中，在加热桥式电路55时制冷剂不流动。

8. 发明专利

JP2013210131A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2013210131A
公开(公告)日：2013-10-10
申请号：JP2012080417
申请日：2012-03-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： OKAMOTO TETSUYA , KOSHO KAZUHIRO , IWATA YASUHIRO , YO KUNITADA
IPC分类号： F25B1/10 , F25B1/00 , F25B11/02 , F25B41/04
摘要： PROBLEM TO BE SOLVED: To enhance efficiency of operation, in a refrigerating device capable of switching between a cooling operation and a heating operation.SOLUTION: An air conditioner 10 has a four-stage compressor 20, a fourth heat exchanger 44 of an outdoor heat exchanger 40, an indoor heat exchanger 12a, an expanding mechanism 70, and a bridge circuit 55, and an inside heat exchanger 62. The four-stage compressor 20 compresses refrigerant. The fourth heat exchanger 44 functions as a heat radiator when cooling and functions as an evaporator when warming. The indoor heat exchanger12a functions as an evaporator when cooling and functions as a heat radiator when warming. The expanding mechanism 70 decompresses refrigerant supplied from the heat radiator to the evaporator. The bridge circuit 55 is arranged between the indoor heat exchanger 12a and the outdoor heat exchanger 40. The inside heat exchanger 62 exchanges heat between refrigerant supplied from the indoor heat exchanger 12a to the four-stage compressor 20 and refrigerant supplied from the fourth heat exchanger 44 to the expanding mechanism 70. The inside heat exchanger 62 is arranged in a position where refrigerant does not flow when warming the bridge circuit 55.
摘要翻译：要解决的问题：为了提高能够在制冷运转和制热运转之间切换的制冷装置，提高运转效率。空调装置10具有四级压缩机20，室外热量的第四热交换器44 交换器40，室内热交换器12a，膨胀机构70和桥接电路55以及内部热交换器62.四级压缩机20压缩制冷剂。第四热交换器44在冷却时用作散热器，并且在加热时用作蒸发器。室内热交换器12a在冷却时作为蒸发器起作用，在起暖时用作散热器。膨胀机构70将从散热器供给的制冷剂减压至蒸发器。桥式电路55配置在室内热交换器12a和室外热交换器40之间。内部热交换器62将从室内热交换器12a供给的制冷剂与四级压缩机20的热量与从第四热交换器内部热交换器62配置在制冷剂在加热桥接电路55时不流动的位置。

9. 发明专利

JP2013139936A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2013139936A
公开(公告)日：2013-07-18
申请号：JP2011290111
申请日：2011-12-28
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： OKAMOTO TETSUYA , KOSHO KAZUHIRO , IWATA YASUHIRO , YO KUNITADA
IPC分类号： F25B1/10 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To restrain reduction in efficiency by this refrigerating device.SOLUTION: An air conditioning apparatus 1 includes a four-stage compressor 2, switching mechanisms 31-33, a liquid gas heat exchanger 6b, bypass lines 142 and 162, and a control part. In the four-stage compressor 2, one high-stage side compression mechanism 24 is connected in series with a plurality of low-stage side compression mechanisms 21-23, respectively. The switching mechanisms 31-33 switch a cooling operation cycle and a heating operation cycle. The liquid gas heat exchanger 6b exchanges heat between a low pressure refrigerant sucked in the low-stage side compression mechanisms 21-23 and a high pressure refrigerant. The bypass lines 142 and 162 bypass the suction side and the delivery side of the liquid gas heat exchanger 6b. The bypass lines 142 and 162 do not bypass the refrigerant in the cooling operation cycle, and bypass a partial refrigerant in the heating operation cycle. The control part controls the four-stage compressor 2 and the switching mechanisms 31-33.
摘要翻译：要解决的问题：通过该制冷装置来抑制效率的降低。空调装置1包括四级压缩机2，切换机构31-33，液体气体热交换器6b，旁通管线142和162以及控制部分。在四级压缩机2中，一个高级侧压缩机构24分别与多个低级侧压缩机构21-23串联连接。切换机构31-33切换制冷运转循环和加热运转循环。液体气体热交换器6b在吸入低压侧压缩机构21-23的低压制冷剂与高压制冷剂之间进行热交换。旁通管路142和162绕过液体气体热交换器6b的吸入侧和排出侧。旁通管路142和162在制冷运转循环中不会旁路制冷剂，并且在制热运转循环中绕过部分制冷剂。控制部控制四级压缩机2和切换机构31-33。

10. 发明专利

JP2011094841A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2011094841A
公开(公告)日：2011-05-12
申请号：JP2009247524
申请日：2009-10-28
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： FURUI HIDEJI , MORIWAKI MICHIO , KOSHO KAZUHIRO , FUJINO HIROKAZU , YOSHIOKA TAKASHI , SETOGUCHI TAKAYUKI , NAKAYAMA HIROSHI
IPC分类号： F25B1/00 , C09K5/04
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating device capable of exerting a desired refrigerating capacity with a small amount of refrigerant by using a single refrigerant of HFO refrigerant or a mixed refrigerant including the HFO refrigerant. SOLUTION: Heat exchangers (23, 27) are constituted of micro-channel heat exchangers having micro-channels as refrigerant flow channels. A refrigerating machine oil of non-compatible or weak compatible to a refrigerant of a refrigerant circuit (20) is used as the refrigerating machine oil supplied to a sliding section of a compressor (21). Further, a pressure of an oil storage space (44) for storing the refrigerating machine oil supplied to the sliding section of the compressor (21) is kept lower than a low pressure of a refrigerating cycle during the refrigerating cycle. Furthermore, the refrigerant at an outlet of the heat source-side heat exchanger (23) is kept in a single phase state or a gas-liquid two phase state of saturated liquid during a cooling operation, and the refrigerant in a saturated liquid state of the refrigerant flowing out from the heat source-side heat exchanger (23) and decompressed to an intermediate pressure of the refrigerating cycle, is supplied to the use-side heat exchanger (27). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过使用HFO制冷剂的单一制冷剂或包含HFO制冷剂的混合制冷剂，通过少量制冷剂施加期望的制冷能力的制冷装置。解决方案：热交换器（23,27）由具有作为制冷剂流动通道的微通道的微通道热交换器构成。使用与制冷剂回路（20）的制冷剂不兼容或不相容的制冷机油作为供给到压缩机（21）的滑动部的制冷机油。此外，供给到压缩机21的滑动部的冷冻机油的储油空间44的压力保持低于制冷循环中的制冷循环的低压。此外，在制冷运转时，热源侧热交换器23的出口处的制冷剂保持在饱和液体的单相状态或气液两相状态，饱和液态的制冷剂从热源侧热交换器（23）流出并减压至制冷循环的中间压力的制冷剂被供给到利用侧热交换器（27）。版权所有（C）2011，JPO＆INPIT

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