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1. 发明申请

US20160238273A1 AIR CONDITIONING APPARATUS WITH PRIMARY AND SECONDARY HEAT EXCHANGE CYCLES 审中-公开
标题翻译：空调设备与主要和次要热交换循环
公开(公告)号：US20160238273A1
公开(公告)日：2016-08-18
申请号：US15141298
申请日：2016-04-28
申请人： Mitsubishi Electric Corporation
发明人： Naofumi TAKENAKA , Shinichi WAKAMOTO , Koji YAMASHITA , Hiroyuki MORIMOTO , Yusuke SHIMAZU
IPC分类号： F24F11/06 , F24F3/06 , F24F1/14
CPC分类号： F24F11/06 , F24F1/14 , F24F3/06 , F24F11/30 , F24F11/62 , F24F11/83 , F24F2110/10 , F24F2110/12 , F24F2140/20 , F25B9/008 , F25B13/00 , F25B25/005 , F25B49/02 , F25B2309/061 , F25B2313/0233 , F25B2313/0272 , F25B2313/0314 , F25B2500/222 , F25B2600/021 , F25B2600/13 , F25B2600/25 , F25B2700/1931 , F25B2700/1933 , F25B2700/2104 , F25B2700/2106 , Y02B30/741 , Y02B30/745
摘要： An air-conditioning apparatus has a controller that sets the target value of a difference between the temperatures of a secondary-side heat transfer medium at positions before and after a plurality of use side heat exchangers during a rated operation in a heating operation so as to have a larger magnitude than a target value of the difference between the temperatures of the secondary-side heat transfer medium at positions before and after the plurality of use side heat exchangers during a rated operation in the cooling operation.
摘要翻译：空调装置具有控制器，其在加热操作中的额定操作期间，将多次利用侧热交换器之前和之后的位置处的次级侧传热介质的温度的目标值设定为在制冷运转中的额定运转时，在多个利用侧热交换器之前和之后的位置处的次级侧传热介质的温度差的目标值大。

2. 发明申请

US20150198360A1 REFRIGERATION CYCLE APPARATUS 审中-公开
标题翻译：制冷循环装置
公开(公告)号：US20150198360A1
公开(公告)日：2015-07-16
申请号：US14622067
申请日：2015-02-13
申请人： Mitsubishi Electric Corporation
发明人： Shinichi WAKAMOTO , Naofumi TAKENAKA , Koji YAMASHITA , Hiroyuki MORIMOTO , Yuji MOTOMURA , Takeshi HATOMURA
IPC分类号： F25B30/00 , F25B41/04
CPC分类号： F25B13/00 , F25B30/00 , F25B41/046 , F25B2309/061 , F25B2313/006 , F25B2313/0231 , F25B2313/0252 , F25B2313/0253 , F25B2313/02741 , F25B2600/2501
摘要： A refrigeration cycle apparatus including a heat source side heat exchanger including a first heat exchanger and a second heat exchanger connected in parallel; an air-sending device that supplies air, which is an object to be heat exchanged in the first heat exchanger and the second heat exchanger, in a variable manner; solenoid valves that each opens and closes a refrigerant passage of the first heat exchanger and the second heat exchanger; a third refrigerant circuit that is parallelly connected to the first heat exchanger and the second heat exchanger; and a flow control valve that controls the flow rate of the refrigerant flowing in the third refrigerant circuit. The refrigeration cycle apparatus can improve continuity of control of a heat exchange capacity of a heat source side heat exchanger.
摘要翻译：一种制冷循环装置，包括：热源侧热交换器，其包括并联连接的第一热交换器和第二热交换器; 以可变方式供给作为第一热交换器和第二热交换器中的热交换对象物的空气的送风装置; 电磁阀，其各自打开和关闭第一热交换器和第二热交换器的制冷剂通道; 与第一热交换器和第二热交换器并联连接的第三制冷剂回路; 以及流量控制阀，其控制在第三制冷剂回路中流动的制冷剂的流量。制冷循环装置能够提高热源侧热交换器的热交换容量的连续性控制。

3. 发明申请

US20190049154A1 AIR-CONDITIONING APPARATUS 审中-公开
公开(公告)号：US20190049154A1
公开(公告)日：2019-02-14
申请号：US15759712
申请日：2016-09-23
申请人： Mitsubishi Electric Corporation
发明人： Soshi IKEDA , Shinichi WAKAMOTO , Naofumi TAKENAKA , Takeshi HATOMURA
IPC分类号： F25B1/00 , F25B13/00 , F25B31/00 , F25B39/04 , F25B43/02
摘要： An air-conditioning apparatus includes a refrigerant circuit in which pipes sequentially connect a compressor, a flow switching device, a heat source side heat exchanger, an expansion device, a load side heat exchanger, and the flow switching device, and configured to perform a cooling operation and a heating operation switched by the flow switching device, an oil separator configured to separate refrigerating machine oil from refrigerant discharged from the compressor, a first bypass passage in which fluid flowing out of the oil separator flows, an auxiliary heat exchanger configured to cool the fluid, a first flow control device configured to control passing of the fluid, a second bypass passage in which liquid refrigerant or two-phase gas-liquid refrigerant flowing through one of the pipes connecting the heat source side heat exchanger and the expansion device flows, and a second flow control device configured to control passing of refrigerant.

4. 发明申请

US20180266743A1 AIR-CONDITIONING APPARATUS 审中-公开
公开(公告)号：US20180266743A1
公开(公告)日：2018-09-20
申请号：US15542145
申请日：2015-01-13
申请人： Mitsubishi Electric Corporation
发明人： Kazuya WATANABE , Shinichi WAKAMOTO , Naofumi TAKENAKA , Naomichi TAMURA , Tadashi ARIYAMA , Koji YAMASHITA , Takeshi HATOMURA
IPC分类号： F25B47/02
摘要： An air-conditioning apparatus is capable of efficiently performing defrosting operation without suspending a heating operation of an indoor unit. The air-conditioning apparatus includes a main circuit sequentially connecting, via a pipe, a compressor, indoor heat exchangers, first flow control devices, and a plurality of parallel heat exchangers connected in parallel to each other to allow refrigerant to circulate, first defrost pipes branching a part of the refrigerant discharged from the compressor and causing the part of the refrigerant to flow into one of the plurality of parallel heat exchangers and to be defrosted, an interface heat exchanger located between the plurality of parallel heat exchangers, a first bypass pipe branching a part of the refrigerant discharged from the compressor and causing the part of the refrigerant to flow into the interface heat exchanger, and a second bypass pipe causing the part of the refrigerant flowing out of the interface heat exchanger to flow into the main circuit.

5. 发明申请

US20170198946A1 AIR-CONDITIONING APPARATUS 审中-公开
公开(公告)号：US20170198946A1
公开(公告)日：2017-07-13
申请号：US15324536
申请日：2015-07-28
申请人： Mitsubishi Electric Corporation
发明人： Naofumi TAKENAKA , Shinichi WAKAMOTO , Yuji MOTOMURA , Osamu MORIMOTO , Hirofumi KOGE , Koji YAMASHITA
IPC分类号： F25B13/00 , F25B41/04
摘要： An air-conditioning apparatus, including an outdoor unit including a compressor and an outdoor heat exchanger, a plurality of indoor units each including an indoor heat exchanger, and a relay unit configured to distribute refrigerant supplied from the outdoor unit to the plurality of indoor units, the relay unit including a first branch unit in which liquid-side pipes connected to the plurality of indoor units join together, and a refrigerant shutoff valve, which is configured to control bidirectional flow of the refrigerant, and is provided to the first branch unit, the number of the refrigerant shut off valve being smaller than a number of the plurality of indoor units.

6. 发明申请

US20170167761A1 AIR-CONDITIONING APPARATUS 审中-公开
公开(公告)号：US20170167761A1
公开(公告)日：2017-06-15
申请号：US15117103
申请日：2015-02-16
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Soshi IKEDA , Shinichi WAKAMOTO , Naofumi TAKENAKA , Koji YAMASHITA , Takeshi HATOMURA
IPC分类号： F25B13/00 , F25B49/02 , F25B41/04
CPC分类号： F25B13/00 , F25B31/006 , F25B41/04 , F25B41/043 , F25B49/02 , F25B2313/006 , F25B2313/021 , F25B2313/0231 , F25B2313/0233 , F25B2313/0272 , F25B2313/02732 , F25B2313/02741 , F25B2313/0311 , F25B2313/0314 , F25B2400/05 , F25B2400/13 , F25B2400/23 , F25B2500/08 , F25B2600/0261 , F25B2600/0271 , F25B2600/2501 , F25B2700/2106 , F25B2700/21152
摘要： An air-conditioning apparatus includes a bypass pipe that has one end connected to the discharge side of a compressor and through which refrigerant exiting the compressor flows, an auxiliary heat exchanger that is connected to the other end of the bypass pipe and the suction part of the compressor, and cools refrigerant flowing through the bypass pipe and supplies the cooled refrigerant to the suction part of the compressor, and a flow regulating unit that is provided on the refrigerant outlet side of the auxiliary heat exchanger, and regulates the flow rate of refrigerant routed into the suction part of the compressor from the auxiliary heat exchanger.

7. 发明申请

US20160273795A1 AIR-CONDITIONING APPARATUS 审中-公开
标题翻译：空调设备
公开(公告)号：US20160273795A1
公开(公告)日：2016-09-22
申请号：US15030500
申请日：2014-05-01
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Naofumi TAKENAKA , Shinichi WAKAMOTO , Kazuya WATANABE , Koji YAMASHITA , Takeshi HATOMURA
IPC分类号： F24F11/00 , F25B47/02 , F25B43/00 , F24F13/30 , F25B13/00
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：空调装置能够进行加热除霜操作，其中多个平行热交换器中的特定一个是要解冻的热交换器并用作冷凝器，而除了热交换器之外的至少一个平行热交换器被除霜用作蒸发器。该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蓄能器输送到要解冻的热交换器。为了进行加热除霜操作，空调装置向被解冻的热交换器供给由液体制冷剂输送单元输送的液体制冷剂。

8. 发明申请

US20160116202A1 AIR-CONDITIONING APPARATUS 审中-公开
标题翻译：空调设备
公开(公告)号：US20160116202A1
公开(公告)日：2016-04-28
申请号：US14894151
申请日：2013-05-31
申请人： MITSUBISHI ELECTRIC CORPORATION
发明人： Naofumi TAKENAKA , Shinichi WAKAMOTO , Kazuya WATANABE , Koji YAMASHITA , Takeshi HATOMURA
IPC分类号： F25D21/00 , F25B13/00
摘要： An air-conditioning apparatus includes: a compressor allowing refrigerant injection thereto and compress and discharge the refrigerant at a high temperature; an indoor heat exchanger exchanging heat between air and refrigerant; a first flow rate control device adjusting and controlling a flow rate of refrigerant; and a plurality of outdoor heat exchangers being in parallel to exchange heat between outside air and refrigerant, a first defrosting pipe allowing a branched part of the refrigerant discharged from the compressor to pass and flow into the outdoor heat exchanger to be defrosted; a reducing device adjusting a pressure of refrigerant passing through the first defrosting pipe to a medium pressure; a second defrosting pipe from which the refrigerant having passed through the outdoor heat exchanger to be defrosted is injected into the compressor; and a reducing device adjusting a pressure of refrigerant passing through the second defrosting pipe to an injection pressure.
摘要翻译：一种空调装置，包括：压缩机，其允许制冷剂注入并在高温下对制冷剂进行压缩和排出; 室内热交换器在空气和制冷剂之间交换热量; 调节和控制制冷剂流量的第一流量控制装置; 多个室外热交换器并联地在外部空气和制冷剂之间进行热交换，允许从压缩机排出的制冷剂的分支部分通过并流入待解冻的室外热交换器的第一除霜管; 减压装置，其将通过所述第一除霜管的制冷剂的压力调节至中压; 已经通过待解冻的室外热交换器的制冷剂的第二除霜管被喷射到压缩机中; 以及将通过第二除霜管的制冷剂的压力调节为喷射压力的还原装置。

9. 发明申请

US20150308701A1 AIR-CONDITIONING APPARATUS 有权
标题翻译：空调设备
公开(公告)号：US20150308701A1
公开(公告)日：2015-10-29
申请号：US14648394
申请日：2014-02-18
申请人： Mitsubishi Electric Corporation
发明人： Koji YAMASHITA , Katsuhiro ISHIMURA , Takeshi HATOMURA , Soshi IKEDA , Shinichi WAKAMOTO , Naofumi TAKENAKA
IPC分类号： F24F5/00
CPC分类号： F24F5/001 , F25B9/006 , F25B13/00 , F25B47/022 , F25B49/022 , F25B2313/005 , F25B2313/006 , F25B2313/0233 , F25B2313/02741 , F25B2313/0314 , F25B2400/13 , F25B2600/0271 , F25B2600/2509
摘要： An air-conditioning apparatus includes a refrigerant circuit formed by connecting pipes, a compressor including a compression chamber and an injection port through which refrigerant is introduced into the compression chamber, a first heat exchanger, a subcooling heat exchanger that includes a first flow passage and a second flow passage and exchanges heat between refrigerant flowing in the first flow passage and refrigerant flowing in the second flow passage to subcool the refrigerant flowing in the first flow passage, a first expansion device, a second heat exchanger, and an accumulator In addition, a first bypass pipe connects the second flow passage of the subcooling heat exchanger with a segment of the pipes, positioned on a refrigerant inflow side of the accumulator; an expansion device to adjust a flow rate of the refrigerant flowing in the first bypass pipe; a second bypass pipe that connects a segment of the pipes with the injection port, the segment being positioned between the first heat exchanger and the second heat exchanger; and an expansion device to adjust a flow rate of the refrigerant flowing in the second bypass pipe.
摘要翻译：一种空气调节装置，包括：连接管形成的制冷剂回路，包括压缩室的压缩机和向所述压缩室引入制冷剂的喷射口，第一热交换器，包括第一流路的过冷却热交换器，第二流路，在第一流路中流动的制冷剂与在第二流路中流动的制冷剂之间进行热交换，使在第一流路中流动的制冷剂，第一膨胀装置，第二热交换器和蓄电池的过冷却。另外，第一旁通管将过冷却热交换器的第二流路与位于蓄压器的制冷剂流入侧的管的一段连接; 膨胀装置，用于调节在第一旁通管中流动的制冷剂的流量; 第二旁通管，其将所述管的一段与所述注入口连接，所述段位于所述第一热交换器和所述第二热交换器之间; 以及用于调节在第二旁通管中流动的制冷剂的流量的膨胀装置。

10. 发明申请

US20190154321A1 REFRIGERATION CYCLE APPARATUS 审中-公开
公开(公告)号：US20190154321A1
公开(公告)日：2019-05-23
申请号：US15571393
申请日：2016-03-28
申请人： Mitsubishi Electric Corporation
发明人： Naofumi TAKENAKA , Shinichi WAKAMOTO , Kazuya WATANABE , Naomichi TAMURA , Tadashi ARIYAMA
IPC分类号： F25B47/02 , F25B13/00 , F25B49/02 , F25D21/00 , F25B5/02
CPC分类号： F25B47/025 , F24F11/89 , F25B5/02 , F25B13/00 , F25B47/02 , F25B47/022 , F25B49/02 , F25B2313/0233 , F25B2313/0251 , F25B2313/0253 , F25B2400/0403 , F25B2400/0411 , F25B2400/121 , F25B2700/1931 , F25B2700/1933 , F25B2700/2106 , F25D21/006
摘要： A controller switches between and performs a first simultaneous heating and defrosting operation of supplying part of refrigerant discharged from a compressor is supplied to one or some parallel heat exchangers among a plurality of parallel heat exchangers through a defrosting circuit and allowing the other one or more parallel heat exchangers to operate as evaporators, and a second simultaneous heating and defrosting operation of, in one or some heat source units among a plurality of heat source units, supplying the refrigerant discharged from the compressor is supplied to all the plurality of parallel heat exchangers through the defrosting circuit, and in the other one or more heat source units, continuing heating by allowing all the plurality of parallel heat exchangers to operate as evaporators.

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