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1. 发明授权

US10495360B2 Heat pump device 有权
公开(公告)号：US10495360B2
公开(公告)日：2019-12-03
申请号：US15559860
申请日：2015-07-03
申请人： Mitsubishi Electric Corporation
发明人： Keisuke Takayama , Hiroyuki Tachibana , Toru Koide
IPC分类号： F25B31/02 , F04B39/06 , F04B39/00 , F25B30/02
CPC分类号： F25B31/026 , F04B39/0061 , F04B39/06 , F25B30/02 , F25B2500/12 , F25B2500/13
摘要： A heat pump device includes a compression mechanism for compressing refrigerant, a motor for driving the compression mechanism, a shell housing the compression mechanism and the motor, a discharge muffler located outside the shell, a first pipe connecting the compression mechanism to the discharge muffler, and a thermal insulator (a first thermal insulating material and a second thermal insulating material). The shell and the discharge muffler are spatially located next to each other without being in contact with each other. The thermal insulator is at least partially located in a space where a distance between an outer surface of the shell and an outer surface of the discharge muffler is minimum.

2. 发明授权

US10876743B2 Hot-water supply unit and hot-water supply system 有权
公开(公告)号：US10876743B2
公开(公告)日：2020-12-29
申请号：US15758811
申请日：2015-11-27
申请人： Mitsubishi Electric Corporation
发明人： Masayuki Komatsu , Kei Yanagimoto , Yuki Ogawa , Keisuke Takayama , Takashi Ogawa , Naoki Barada , Satoshi Nomura , Tadahiko Inaba
IPC分类号： F24H1/18 , F24D19/10 , F24H4/04 , F24H9/20 , F24D17/02 , F24D12/02 , F24D15/02 , F24H1/20 , F24H9/02
CPC分类号： F24D19/1081 , F24D12/02 , F24D15/02 , F24D17/02 , F24D19/1054 , F24D19/1063 , F24D19/1072 , F24H1/201 , F24H4/04 , F24H9/02 , F24H9/2021 , F24D2200/08 , F24D2200/12 , F24D2200/123
摘要： A settings data storage stores unique serial numbers and information regarding a plurality of patterns for alternately switching between normal operation for operating at high capacity and suppressed operation for operating at low capacity each unit time. A pattern specifier determines information for a pattern set in accordance with even and odd serial numbers. A water-heating heat amount determiner determines a heat amount necessary for water heating. A water heating scheduler establishes a water heating plan based on information regarding the pattern determined by the pattern determiner and the water-heating heat amount as determined by the water-heating heat amount determiner. A water heating controller alternately switches between normal operating and suppressed operation to heat water in accordance with the water heating plan established by the water heating scheduler.

3. 发明授权

US11739950B2 Hot water supply apparatus 有权
公开(公告)号：US11739950B2
公开(公告)日：2023-08-29
申请号：US16964238
申请日：2018-02-23
申请人： Mitsubishi Electric Corporation
发明人： Jun Yoshida , Keisuke Takayama
IPC分类号： F24D17/02 , F24H1/18 , F24H4/04 , F24H9/20
CPC分类号： F24D17/02 , F24H1/18 , F24H4/04 , F24D2200/123 , F24D2220/042 , F24H9/2007
摘要： A hot water supply apparatus includes a heat pump device in which a compressor and a heat exchanger are connected, a heat medium circuit connected to the heat pump device via the heat exchanger, a tank that stores water after the water exchanges heat with a heat medium of the heat medium circuit, two tank-temperature detection units attached at different heights to the tank and each detects a temperature of water in the tank, and a controller that controls, by using a value detected by each of the two tank-temperature detection units, a temperature of water in the tank. The controller sets a target hot water supply temperature based on a stored-hot-water temperature detected by one of the two tank temperature detection units and a within-tank temperature difference that is a difference between temperatures within the tank detected by the two tank-temperature detection units.

4. 发明授权

US09482446B2 Heat pump water heater 有权
标题翻译：热泵热水器
公开(公告)号：US09482446B2
公开(公告)日：2016-11-01
申请号：US14425652
申请日：2013-07-23
申请人： Mitsubishi Electric Corporation
发明人： So Nomoto , Kensaku Hatanaka , Keisuke Takayama
IPC分类号： F24H4/04 , F24D19/00 , F25B31/00 , F25B40/00
CPC分类号： F24H4/04 , F24D19/0092 , F25B6/04 , F25B31/006 , F25B40/00 , F25B2339/047
摘要： A heat pump water heater includes: a compressor; a first water-refrigerant heat exchanger; a second water-refrigerant heat exchanger; refrigerant paths capable of forming a refrigerant circuit; and water channels including a flow channel, the flow channel leading hot water that has passed through the second water-refrigerant heat exchanger to the first water-refrigerant heat exchanger. The heat pump water heater is able to perform a heating operation. In the heating operation, the hot water heated in the second water-refrigerant heat exchanger is fed to the first water-refrigerant heat exchanger and the hot water further heated in the first water-refrigerant heat exchanger is supplied to a downstream side of the water channels. The first water-refrigerant heat exchanger is able to be replaced without replacing the second water-refrigerant heat exchanger.
摘要翻译：热泵热水器包括：压缩机; 第一水 - 制冷剂热交换器; 第二水 - 制冷剂热交换器; 能够形成制冷剂回路的制冷剂路径; 以及包括流路的水路，将通过第二水 - 制冷剂热交换器的热水引导到第一水 - 制冷剂热交换器的流路。热泵热水器能够进行加热操作。在加热运转中，在第二水 - 制冷剂热交换器中加热的热水被供给到第一水 - 制冷剂热交换器，并且在第一水 - 制冷剂热交换器中进一步加热的热水被供给到水的下游侧频道能够在不更换第二水 - 制冷剂热交换器的情况下更换第一水 - 制冷剂热交换器。

5. 发明申请

US20150176866A1 BINARY REFRIGERATION APPARATUS 审中-公开
标题翻译：二进制冷冻装置
公开(公告)号：US20150176866A1
公开(公告)日：2015-06-25
申请号：US14416077
申请日：2013-08-05
申请人： Mitsubishi Electric Corporation
发明人： Keisuke Takayama , Tomotaka Ishikawa , Takeshi Sugimoto , Tetsuya Yamashita , Takashi Ikeda
IPC分类号： F25B7/00 , F25D21/00
CPC分类号： F25B7/00 , F25B5/04 , F25B9/008 , F25B47/022 , F25B49/02 , F25B2309/061 , F25B2400/0403 , F25B2400/0409 , F25B2400/0415 , F25B2400/16 , F25B2600/2501 , F25B2700/1931 , F25B2700/2104 , F25B2700/2106 , F25B2700/2108 , F25D21/002
摘要： A two-stage refrigeration apparatus includes a high-stage refrigeration cycle including a high-stage-side refrigerant circuit including a high-stage-side compressor, high-stage-side condenser, high-stage-side expansion valve, and high-stage-side evaporator connected by pipes, a low-stage refrigeration cycle including a low-stage-side refrigerant circuit including a low-stage-side compressor, low-stage-side condenser, low-stage-side receiver, low-stage-side expansion valve, and low-stage-side evaporator connected by pipes, a cascade condenser including the high-stage-side evaporator and low-stage-side condenser, a receiver heat exchanging portion configured to cool the low-stage-side receiver, and a high-stage refrigeration cycle controller configured to perform controlling so as to activate the high-stage-side compressor when estimating a low-stage-side refrigerant will reach a supercritical state while the low-stage-side compressor his defrosted on the basis of the pressure of the low-stage-side refrigerant.
摘要翻译：二级制冷装置包括高级制冷循环，其包括高级侧制冷剂回路，其包括高级侧压缩机，高级侧冷凝器，高级侧膨胀阀和高级侧制冷回路通过管道连接的低端侧蒸发器，包括低级侧制冷剂回路的低级制冷循环，该低级侧制冷回路包括低压侧压缩机，低压侧冷凝器，低压侧接收器，低压侧侧冷凝器膨胀阀和由管道连接的低级侧蒸发器，包括高级侧蒸发器和低级侧冷凝器的级联冷凝器，被配置为冷却低级侧接收器的接收器热交换部分，以及高级侧制冷循环控制器，其构成为，在估计低级侧制冷剂时进行高级侧压缩机的启动控制，将达到超临界状态，而低级侧压缩机除霜压力低级制冷剂。

6. 发明授权

US10001310B2 Binary refrigeration apparatus 有权
公开(公告)号：US10001310B2
公开(公告)日：2018-06-19
申请号：US14418547
申请日：2013-08-05
申请人： Mitsubishi Electric Corporation
发明人： Keisuke Takayama , Tomotaka Ishikawa , Takeshi Sugimoto , Tetsuya Yamashita , Takashi Ikeda
IPC分类号： F25B49/02 , F25B7/00 , F25B5/04 , F25B9/00
CPC分类号： F25B49/022 , F25B5/04 , F25B7/00 , F25B9/008 , F25B49/02 , F25B2309/061 , F25B2400/0409 , F25B2400/16 , F25B2700/1931 , F25B2700/2104 , F25B2700/2106 , F25B2700/2108
摘要： A two-stage refrigeration apparatus includes a high-stage refrigeration cycle including a high-stage-side refrigerant circuit including a high-stage-side compressor, high-stage-side condenser, high-stage-side expansion valve, and high-stage-side evaporator connected by pipes, a low-stage refrigeration cycle including a low-stage-side refrigerant circuit including a low-stage-side compressor, low-stage-side condenser, low-stage-side receiver, low-stage-side expansion valve, and low-stage-side evaporator connected by pipes, a cascade condenser including the high-stage-side evaporator and low-stage-side condenser, a receiver heat exchanging portion configured to cool the low-stage-side receiver, and a high-stage refrigeration cycle controller configured to perform controlling so as to activate the high-stage-side compressor when estimating a low-stage-side refrigerant will reach a supercritical state when the low-stage-side compressor is inactive on the basis of the pressure of the low-stage-side refrigerant.

7. 发明申请

US20150226453A1 HEAT PUMP WATER HEATER 有权
标题翻译：热泵水加热器
公开(公告)号：US20150226453A1
公开(公告)日：2015-08-13
申请号：US14425652
申请日：2013-07-23
申请人： Mitsubishi Electric Corporation
发明人： So Nomoto , Kensaku Hatanaka , Keisuke Takayama
IPC分类号： F24H4/04
CPC分类号： F24H4/04 , F24D19/0092 , F25B6/04 , F25B31/006 , F25B40/00 , F25B2339/047
摘要： A heat pump water heater includes: a compressor; a first water-refrigerant heat exchanger; a second water-refrigerant heat exchanger; refrigerant paths capable of forming a refrigerant circuit; and water channels including a flow channel, the flow channel leading hot water that has passed through the second water-refrigerant heat exchanger to the first water-refrigerant heat exchanger. The heat pump water heater is able to perform a heating operation. In the heating operation, the hot water heated in the second water-refrigerant heat exchanger is fed to the first water-refrigerant heat exchanger and the hot water further heated in the first water-refrigerant heat exchanger is supplied to a downstream side of the water channels. The first water-refrigerant heat exchanger is able to be replaced without replacing the second water-refrigerant heat exchanger.
摘要翻译：热泵热水器包括：压缩机; 第一水 - 制冷剂热交换器; 第二水 - 制冷剂热交换器; 能够形成制冷剂回路的制冷剂路径; 以及包括流路的水路，将通过第二水 - 制冷剂热交换器的热水引导到第一水 - 制冷剂热交换器的流路。热泵热水器能够进行加热操作。在加热运转中，在第二水 - 制冷剂热交换器中加热的热水被供给到第一水 - 制冷剂热交换器，并且在第一水 - 制冷剂热交换器中进一步加热的热水被供给到水的下游侧频道能够在不更换第二水 - 制冷剂热交换器的情况下更换第一水 - 制冷剂热交换器。

8. 发明授权

US10508842B2 Heat pump device with separately spaced components 有权
公开(公告)号：US10508842B2
公开(公告)日：2019-12-17
申请号：US15563317
申请日：2015-07-03
申请人： Mitsubishi Electric Corporation
发明人： Keisuke Takayama , Hiroyuki Tachibana , Toru Koide
IPC分类号： F25B31/02 , F04B39/00 , F04B39/06 , F25B30/02
摘要： A heat pump device includes a compressor, a motor, a shell, a muffler, a heat exchanger, a housing, a blower, a first insulating material, and a second insulating material. The compressor compresses refrigerant. The motor drives the compressor. The shell houses the motor and the compressor. The compressor is connected to the muffler, which is further connected to heat exchanger. The housing has first and second spaces. The shell, the heat exchanger, and the muffler are disposed in the first space. The blower is disposed in the second space. The muffler is entirely located within a space between the shell and the first heat exchanger. The first insulating material at least partially cover the discharge muffler and the first heat exchanger. The second insulating material at least partially cover the shell. The first insulating material has a higher thermal resistance than the second insulating material.

9. 发明授权

US10401038B2 Heat pump system 有权
公开(公告)号：US10401038B2
公开(公告)日：2019-09-03
申请号：US15546466
申请日：2015-03-19
申请人： Mitsubishi Electric Corporation
发明人： Keisuke Takayama
IPC分类号： F24D3/18 , F24H1/00 , F25B1/10 , F25B6/04 , F24D19/10 , F25B30/02 , F24D11/02 , F25B9/00 , F25B40/00
摘要： A heat pump system includes: a compressor for compressing refrigerant; a first heat exchanger for exchanging heat between the refrigerant compressed by the compressor and a heating medium; a second heat exchanger for exchanging heat between the refrigerant compressed by the compressor and the heating medium; a first pipe through which the refrigerant is fed from the compressor to the first heat exchanger; a second pipe through which the refrigerant returns from the first heat exchanger to the compressor; a third pipe through which the refrigerant is fed from the compressor to the second heat exchanger after returning from the first heat exchanger; and switching apparatus for switching a flow of the heating medium between a first mode and a second mode. The heating medium flows through the first heat exchanger and the second heat exchanger in series in the first mode. The heating medium flows through the first heat exchanger and the second heat exchanger in parallel in the second mode.

10. 发明授权

US10077924B2 Binary refrigeration apparatus 有权
公开(公告)号：US10077924B2
公开(公告)日：2018-09-18
申请号：US14416077
申请日：2013-08-05
申请人： Mitsubishi Electric Corporation
发明人： Keisuke Takayama , Tomotaka Ishikawa , Takeshi Sugimoto , Tetsuya Yamashita , Takashi Ikeda
IPC分类号： F25D21/06 , F25B7/00 , F25B5/04 , F25B9/00 , F25B47/02 , F25B49/02 , F25D21/00
CPC分类号： F25B7/00 , F25B5/04 , F25B9/008 , F25B47/022 , F25B49/02 , F25B2309/061 , F25B2400/0403 , F25B2400/0409 , F25B2400/0415 , F25B2400/16 , F25B2600/2501 , F25B2700/1931 , F25B2700/2104 , F25B2700/2106 , F25B2700/2108 , F25D21/002
摘要： A two-stage refrigeration apparatus includes a high-stage refrigeration cycle including a high-stage-side refrigerant circuit including a high-stage-side compressor, high-stage-side condenser, high-stage-side expansion valve, and high-stage-side evaporator connected by pipes, a low-stage refrigeration cycle including a low-stage-side refrigerant circuit including a low-stage-side compressor, low-stage-side condenser, low-stage-side receiver, low-stage-side expansion valve, and low-stage-side evaporator connected by pipes, a cascade condenser including the high-stage-side evaporator and low-stage-side condenser, a receiver heat exchanging portion configured to cool the low-stage-side receiver, and a high-stage refrigeration cycle controller configured to perform controlling so as to activate the high-stage-side compressor when estimating a low-stage-side refrigerant will reach a supercritical state while the low-stage-side compressor is defrosted on the basis of the pressure of the low-stage-side refrigerant.

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