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1. 发明授权

EP2843323B1 AIR CONDITIONING DEVICE 有权
公开(公告)号：EP2843323B1
公开(公告)日：2020-01-01
申请号：EP12875044.5
申请日：2012-04-27
申请人： Mitsubishi Electric Corporation
发明人： HATOMURA, Takeshi , YAMASHITA, Koji , TAKENAKA, Naofumi
IPC分类号： F25B1/00 , F25B13/00 , F25B49/02

2. 发明授权

EP2781854B1 AIR CONDITIONER 有权
公开(公告)号：EP2781854B1
公开(公告)日：2019-07-17
申请号：EP11875740.0
申请日：2011-11-18
申请人： Mitsubishi Electric Corporation
发明人： TAKAYAMA, Keisuke , AZUMA, Koji , MOTOMURA, Yuji , HATOMURA, Takeshi
IPC分类号： F25B1/00

3. 发明授权

EP2476973B1 REFRIGERATION CYCLE DEVICE 有权
公开(公告)号：EP2476973B1
公开(公告)日：2018-09-26
申请号：EP09850230.5
申请日：2009-10-07
申请人： Mitsubishi Electric Corporation
发明人： SHIMAZU, Yusuke , TAKAYAMA, Keisuke , KAKUDA, Masayuki , NAGATA, Hideaki , HATOMURA, Takeshi
IPC分类号： F25B1/10 , F25B9/06
CPC分类号： F25B13/00 , F25B9/06 , F25B2400/0401 , F25B2400/0403 , F25B2400/14 , F25B2500/26 , F25B2600/2501
摘要： In a refrigeration cycle apparatus that recovers power in an expander, obtaining a refrigeration cycle apparatus that is capable of reliably starting up the expander compared to conventional refrigeration cycle apparatuses. The refrigeration cycle apparatus includes a refrigerant circuit having a first compressor 2, a radiator 4, an expander 5 and an evaporator 6 connected in series with a piping; and a second compressor 3 disposed between the first compressor 2 and the radiator 4, the second compressor 3 being driven by power recovered by the expander 5. The second compressor being a positive displacement compressor. The refrigeration cycle apparatus, further including a pressure regulating device (a bypass and an on-off valve) that maintains a pressure on a discharge side of the second compressor to be lower than a pressure on a suction side of the second compressor at least until the second compressor is started up.

4. 发明授权

EP2889559B1 AIR-CONDITIONING DEVICE 有权
公开(公告)号：EP2889559B1
公开(公告)日：2018-05-23
申请号：EP12882176.6
申请日：2012-08-03
申请人： Mitsubishi Electric Corporation
发明人： TAKENAKA, Naofumi , WAKAMOTO, Shinichi , YAMASHITA, Koji , HATOMURA, Takeshi
IPC分类号： F25B47/02 , F25B5/00 , F25B13/00 , F25B41/00 , F25B49/02 , F24F5/00 , F24F11/00
CPC分类号： F24F5/001 , F24F11/83 , F24F11/84 , F25B13/00 , F25B41/003 , F25B47/022 , F25B49/02 , F25B2313/0233 , F25B2313/0251 , F25B2313/02732 , F25B2400/13 , F25B2600/2515
摘要： An air-conditioning apparatus capable of performing a heating operation continuously by dividing an outdoor heat exchanger (5) to form parallel heat exchangers (5-1 and 5-2) and supplying part of a refrigerant that has flowed out of a compressor (1) to the parallel heat exchangers (5-1 and 5-2) alternately to perform defrosting, performs medium-pressure defrosting in which part of the refrigerant that has been discharged from the compressor (1) is decompressed and supplied to a parallel heat exchanger to be subjected to defrosting, and the refrigerant after being used for defrosting is injected into the compressor (1). A first flow switching unit (110) which performs switching of a connection mode of the ends of the parallel heat exchangers (5-1 and 5-2) on the side of the compressor (1), where the pressure changes among high pressure, medium pressure, and low pressure according to operation contents, to one of three modes: a mode in which these ends are connected to the discharge side of the compressor (1), a mode in which these ends are connected to the suction side of the compressor (1), and a mode in which these ends are connected to neither the discharge side nor the suction side of the compressor (1), is provided. By fixing high pressure and low pressure at the first flow switching unit (110), the first flow switching unit (110) using a four-way valve and a solenoid valve having simple structures, is configured in accordance with the state of a flowing refrigerant.

5. 发明授权

EP2282144B1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：EP2282144B1
公开(公告)日：2017-04-05
申请号：EP08874117.8
申请日：2008-10-29
申请人： Mitsubishi Electric Corporation
发明人： WAKAMOTO, Shinichi , YAMASHITA, Koji , OKAZAKI, Takashi , TANAKA, Naoki , HOKAZONO, Keisuke , MORIMOTO, Hiroyuki , MOTOMURA, Yuji , HATOMURA, Takeshi , KASAI, Tomohiko , TAKENAKA, Naofumi , SHIMAZU, Yusuke
IPC分类号： F25B13/00 , F24F11/02 , F25B29/00 , F25B41/04 , F25B43/00 , F25B25/00
CPC分类号： F25B13/00 , F25B25/005 , F25B2313/006 , F25B2313/0231 , F25B2313/0272 , F25B2313/02741
摘要： A heat source-side refrigerant circuit A including a compressor 11, an outdoor heat exchanger 13, a first refrigerant branch portion 21 connected to the compressor 11, a second refrigerant branch portion 22 and a third refrigerant branch portion 23 connected to the outdoor heat exchanger 13, a first refrigerant flow rate control device 24 provided between branch piping 40 and the second refrigerant branch portion 22, intermediate heat exchangers 25n connected at one side thereof to the first refrigerant branch portion 21 and the third refrigerant branch portion 23 via three-way valves 26n and connected at the other side thereof to the second refrigerant branch portion 22, and second refrigerant flow rate control devices 27n provided between the respective intermediate heat exchangers 25n and the second refrigerant branch portion 22, and user-side refrigerant circuits Bn having indoor heat exchangers 31n connected respectively to the intermediate heat exchangers 25n are provided, and at least one of water and an antifreeze solution circulates in the user-side refrigerant circuits Bn.
摘要翻译：热源侧制冷剂回路A包括压缩机11，室外热交换器13，与压缩机11连接的第一制冷剂分支部21，第二制冷剂分支部22和与该室外热交换器连接的第三制冷剂分支部23 13，设置在分支配管40与第二制冷剂分支部22之间的第一制冷剂流量控制装置24，一方侧经由三通与第一制冷剂分支部21和第三制冷剂分支部23连接的中间热交换器25n 在另一侧连接于第二制冷剂分支部22的第二制冷剂流路控制装置27n，以及设置于各中间热交换器25n与第二制冷剂分支部22之间的第二制冷剂流量控制装置27n，以及具有室内的利用侧制冷剂回路Bn 设有分别与中间热交换器25n连接的热交换器31n，水和防冻液中的至少一种在使用侧制冷剂回路Bn中循环。

6. 发明公开

EP3062045A1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：EP3062045A1
公开(公告)日：2016-08-31
申请号：EP14855634.3
申请日：2014-05-01
申请人： Mitsubishi Electric Corporation
发明人： TAKENAKA, Naofumi , WAKAMOTO, Shinichi , WATANABE, Kazuya , YAMASHITA, Koji , HATOMURA, Takeshi
IPC分类号： F25B47/02 , F24F11/02 , F25B1/00
CPC分类号： F24F11/0086 , F24F11/30 , F24F11/42 , F24F13/30 , F24F2140/12 , F24F2140/20 , F25B13/00 , F25B41/043 , F25B43/006 , F25B47/022 , F25B2313/006 , F25B2313/0233 , F25B2313/0251 , F25B2313/0253 , F25B2341/062 , F25B2600/25
摘要： An air-conditioning apparatus is capable of performing a heating-defrosting operation where a specific one of a plurality of parallel heat exchangers is a heat exchanger to be defrosted and serves as a condenser while at least one parallel heat exchanger other than the heat exchanger to be defrosted serves as an evaporator. The air-conditioning apparatus includes a liquid refrigerant transporting unit for transferring liquid refrigerant from an accumulator to the heat exchanger to be defrosted. To perform the heating-defrosting operation, the air-conditioning apparatus supplies, to the heat exchanger to be defrosted, the liquid refrigerant transferred by the liquid refrigerant transporting unit.
摘要翻译：本发明提供一种空调装置，能够在多个并列换热器中的特定的一个换热器为解冻用热交换器并且作为冷凝器进行加热除霜运转的同时，将至少一个并联换热器以外的热交换器被解冻用作蒸发器。空气调节装置包括液体制冷剂输送单元，用于将液体制冷剂从储液器输送到热交换器以进行解冻。为了执行加热除霜操作，空调设备向待解冻的热交换器供应由液体制冷剂传送单元传送的液体制冷剂。

7. 发明公开

EP2863148A1 AIR CONDITIONING DEVICE 有权
标题翻译：空调装置
公开(公告)号：EP2863148A1
公开(公告)日：2015-04-22
申请号：EP12875009.8
申请日：2012-04-27
申请人： Mitsubishi Electric Corporation
发明人： HATOMURA, Takeshi , YAMASHITA, Koji , TAKENAKA, Naofumi
IPC分类号： F25B1/00 , F25B13/00
CPC分类号： F25B49/02 , F25B13/00 , F25B30/02 , F25B40/00 , F25B41/003 , F25B41/043 , F25B2313/0314 , F25B2313/0315 , F25B2400/05 , F25B2400/13 , F25B2500/31 , F25B2600/0261 , F25B2600/2519 , F25B2700/1931 , F25B2700/1933 , F25B2700/2103 , F25B2700/2104 , F25B2700/21152
摘要： In a case of a heating operation in which the use side heat exchanger functions as a condenser when an outside temperature is a predetermined low temperature, a low-outside-temperature heating operation start-up mode in which, while a refrigerant discharged from the compressor is caused to flow into the use side heat exchanger, a refrigerant is supplied to the injection port of the compressor via the injection pipe and part of the refrigerant that has transferred heat in the heat source side heat exchanger is supplied to the compressor, is followed by a low-outside-temperature heating operation mode in which the refrigerant discharged from the compressor is supplied to the injection port of the compressor via the injection pipe while the refrigerant being caused to flow into the use side heat exchanger.
摘要翻译：在外部气温为规定的低温时，利用侧热交换器作为冷凝器发挥作用的制热运转的情况下，在制冷剂从压缩机排出的同时，流入利用侧热交换器，经由喷射管向压缩机的喷射口供给制冷剂，向热源侧热交换器传递热的制冷剂的一部分被供给至压缩机，在制冷剂流入利用侧热交换器的期间，从压缩机排出的制冷剂经由喷射管向压缩机的喷射口供给的低外部温度制热运转模式。

8. 发明公开

EP2863147A1 AIR CONDITIONING DEVICE 有权
标题翻译：空调装置
公开(公告)号：EP2863147A1
公开(公告)日：2015-04-22
申请号：EP12874971.0
申请日：2012-04-27
申请人： Mitsubishi Electric Corporation
发明人： HATOMURA, Takeshi , YAMASHITA, Koji , TAKENAKA, Naofumi
IPC分类号： F25B1/00 , F25B13/00
CPC分类号： F25B30/02 , F25B13/00 , F25B40/00 , F25B41/00 , F25B41/003 , F25B2313/0314 , F25B2313/0315 , F25B2400/0403 , F25B2400/0409 , F25B2400/0411 , F25B2400/13 , F25B2600/0261 , F25B2600/2501 , F25B2600/2509 , F25B2600/2519 , F25B2700/1931 , F25B2700/1933 , F25B2700/2103 , F25B2700/2104 , F25B2700/21152
摘要： In the case of a heating operation in which a use side heat exchanger functions as a condenser when the outside air has a predetermined low temperature, a low-outside-air-temperature heating operation start mode is executed in which, while a refrigerant, as discharged from a compressor, flows into the use side heat exchanger, the refrigerant is supplied to the injection port of the compressor via an injection pipe and a part of a refrigerant that is accumulated in an accumulator is supplied to the compressor via a connecting pipe, and thereafter a low-outside-air-temperature heating operation mode is executed in which the refrigerant, as discharged from the compressor, is supplied to the injection port of the compressor via the injection pipe while flowing into the use side heat exchanger.
摘要翻译：在外部气体具有规定的低温时，利用侧热交换器发挥作为冷凝器的供暖运转的情况下，执行低外部气温的供暖运转开始模式，即，制冷剂作为从压缩机排出的制冷剂流入利用侧热交换器，经由喷射管向制冷剂的喷射口供给制冷剂，储存在储液器中的制冷剂的一部分经由连接管被供给至压缩机，然后执行低外部空气温度加热操作模式，在该低外部空气温度加热操作模式中，从压缩机排出的制冷剂在流入使用侧热交换器的同时经由喷射管供应到压缩机的喷射口。

9. 发明公开

EP2843323A1 AIR CONDITIONING DEVICE 有权
标题翻译：空调装置
公开(公告)号：EP2843323A1
公开(公告)日：2015-03-04
申请号：EP12875044.5
申请日：2012-04-27
申请人： Mitsubishi Electric Corporation
发明人： HATOMURA, Takeshi , YAMASHITA, Koji , TAKENAKA, Naofumi
IPC分类号： F25B1/00 , F25B13/00
CPC分类号： F25B49/02 , F25B13/00 , F25B30/02 , F25B41/003 , F25B2313/005 , F25B2313/006 , F25B2313/02741 , F25B2313/0314 , F25B2313/0315 , F25B2400/0403 , F25B2400/0409 , F25B2400/0411 , F25B2400/054 , F25B2400/13 , F25B2600/0261 , F25B2600/2501 , F25B2600/2509 , F25B2700/1931 , F25B2700/1933 , F25B2700/2101 , F25B2700/21152
摘要： In the case of a heating operation in which a use side heat exchanger functions as a condenser when the outside air has a predetermined low temperature, a low-outside-air-temperature heating operation start mode is executed in which, while a refrigerant, as discharged from a compressor, flows into the use side heat exchanger, the refrigerant, upon flowing into the injection pipe, merges with a part of the refrigerant discharged from the compressor, which has traveled through the connecting pipe and has transferred heat in the heat source side heat exchanger, and a merged refrigerant is supplied to the injection port of the compressor, and thereafter a low-outside-air-temperature heating operation mode is executed in which the refrigerant, as discharged from the compressor, is supplied to the injection port of the compressor via the injection pipe while flowing into the use side heat exchanger.
摘要翻译：在外部气体具有规定的低温时，利用侧热交换器发挥作为冷凝器的供暖运转的情况下，执行低外部气温的供暖运转开始模式，即，制冷剂作为从压缩机排出的制冷剂流入利用侧热交换器，制冷剂一旦流入喷射管，就与从压缩机排出的制冷剂的一部分合流，该制冷剂的一部分通过连接配管而传递到热源并将合流后的制冷剂供给到压缩机的喷射口，然后执行低外部空气温度制热运转模式，将从压缩机排出的制冷剂供给到喷射口一边流入利用侧热交换器一边经由喷射管流入压缩机。

10. 发明公开

EP2813784A1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：EP2813784A1
公开(公告)日：2014-12-17
申请号：EP11877666.5
申请日：2011-12-22
申请人： Mitsubishi Electric Corporation
发明人： TANAKA, Kosuke , YAMASHITA, Koji , HATOMURA, Takeshi , WAKAMOTO, Shinichi , TAKENAKA, Naofumi
IPC分类号： F25B1/00
CPC分类号： F25B49/02 , F25B1/10 , F25B13/00 , F25B29/003 , F25B41/043 , F25B49/027 , F25B2313/02741 , F25B2313/0312 , F25B2500/19 , F25B2600/021 , F25B2600/0271 , F25B2600/2513 , F25B2700/1931 , F25B2700/1933 , F25B2700/2106 , F25B2700/21151 , F25B2700/21152 , F25B2700/21163 , Y02B30/741
摘要： An air-conditioning apparatus including a refrigeration cycle configured by connecting one or more load-side units 2 including a load-side heat exchanger 6 and a load-side expansion device 7 with a heat-source-side unit 1 including a heat-source-side heat exchanger 9 and a compressor 3 and by causing refrigerant to circulate through a refrigerant circuit including the load-side heat exchanger 6, the load-side expansion device 7, the heat-source-side heat exchanger 9, and the compressor 3, controls, during a heating operation, the opening degree of the load-side expansion device 7, based on the discharge pressure of the compressor 3, so that the pressure of refrigerant at the outlet of the compressor 3 becomes equal to a target pressure, in the case where the operation capacity of the compressor 3 is approximately at the maximum value of the operation capacity of the compressor 3.
摘要翻译：本发明提供一种空气调节装置，其具有将包含负载侧热交换器6和负载侧膨胀装置7的一个以上的负载侧单元2与包含热源侧的热源侧单元1连接而构成的冷冻循环侧热交换器9和压缩机3，使制冷剂在包括负载侧热交换器6，负载侧膨胀装置7，热源侧热交换器9和压缩机3的制冷剂回路中循环在制热运转时基于压缩机3的排出压力控制负载侧节流装置7的开度，使得压缩机3的出口处的制冷剂的压力成为目标压力，在压缩机3的运转容量大致成为压缩机3的运转容量的最大值的情况下，

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