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公开(公告)号：US20190072284A1
公开(公告)日：2019-03-07
申请号：US16084423
申请日：2016-05-26
Applicant: Mitsubishi Electric Corporation
Inventor： Takahiro USHIJIMA
CPC classification number: F24D19/1054 , F24D17/02 , F24D19/1087 , F24D2220/046 , F25B13/00 , F25B41/04 , F25B49/02 , F25B49/022 , F25B2313/003 , F25B2313/009 , F25B2313/021 , F25B2313/0231 , F25B2313/0314 , F25B2313/0315 , F25B2341/0662 , F25B2500/19 , F25B2600/021 , F25B2600/0253 , F25B2600/2507 , F25B2600/2513 , F25B2600/2519 , F25B2700/1931 , F25B2700/2106 , F25B2700/2115 , F25B2700/21152 , F25B2700/21162 , Y02B30/741
Abstract: A heat-pump air-conditioning hot-water supply device includes a first refrigerant passage connecting a compressor and a decompressor, a second refrigerant passage branching from between the compressor and a first solenoid valve and connecting a second solenoid valve, a hot-water supply heat exchanger, and the decompressor, a pressure sensor configured to measure discharge pressure of the compressor, and a control device configured to adjust an operational frequency of the compressor and adjust an opening degree of a valve of the decompressor. The control device is configured to calculate a condensing temperature from the discharge pressure, and perform operation in one of an air conditioning prioritized mode in which a preset operational frequency of the compressor is changed, and an energy saving prioritized mode in which the opening degree of the valve of the decompressor is changed, when the condensing temperature is not lower than a set condensing temperature.
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公开(公告)号：US20180299157A1
公开(公告)日：2018-10-18
申请号：US15765856
申请日：2016-10-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yong Hee JANG , Hyung Mo KOO , Byoung Guk LIM , Il Yong CHO
CPC classification number: F24F11/42 , F24F1/00 , F24F1/08 , F24F1/14 , F24F1/26 , F24F1/32 , F24F1/60 , F24F11/00 , F24F11/89 , F24F2110/10 , F24F2110/12 , F24F2140/10 , F24F2140/20 , F25B49/02 , F25B2341/0662 , F25B2400/16 , F25B2400/23 , F25B2600/2513 , F25B2600/2519 , F25B2700/2106
Abstract: An air conditioner according to the present invention has a structure driving a compressor and a pump, simultaneously, in a low-temperature cooling environment in which the outdoor temperature is lower than the indoor temperature, thereby enabling efficient and stable cooling.
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公开(公告)号：US20180292116A1
公开(公告)日：2018-10-11
申请号：US15573934
申请日：2015-05-15
Applicant: Carrier Corporation
Inventor： Fabien Talhouarn
CPC classification number: F25B40/02 , B60P3/20 , F25B40/00 , F25B41/043 , F25B2327/001 , F25B2341/0662 , F25B2341/0683 , F25B2600/0272
Abstract: A refrigeration system includes a compressor configured to compress a refrigerant, a condenser, and an evaporator. A heat exchanger is disposed downstream of the condenser and upstream of the evaporator, and disposed downstream of the evaporator and upstream of the compressor, the heat exchanger configured to facilitate heat exchange between the refrigerant supplied from the condenser and the refrigerant supplied from the evaporator. A first expansion device is disposed downstream of the heat exchanger and upstream of the evaporator, and a second expansion device is disposed downstream of the condenser and upstream of the heat exchanger. The second expansion device is configured to cool the refrigerant passing therethrough to cool the refrigerant in the heat exchanger supplied from the evaporator to the compressor.
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公开(公告)号：US20180245829A1
公开(公告)日：2018-08-30
申请号：US15967854
申请日：2018-05-01
Applicant: Lennox Industries Inc.
Inventor： Rakesh GOEL , Eric BERG , Mark OLSEN , Ian BURMANIA
CPC classification number: F25B41/003 , F16L55/02 , F25B41/04 , F25B45/00 , F25B49/005 , F25B2341/065 , F25B2341/0662 , F25B2400/16 , F25B2500/07 , F25B2500/26 , Y10T137/0396 , Y10T137/86381
Abstract: An apparatus for reducing discharge pressure includes a compensator reservoir and a compensator line. The compensator line connects the compensator reservoir and a liquid line. The liquid line connects an outdoor heat exchanger and an indoor heat exchanger of a reversible HVAC system. The compensator line includes a connection to the compensator reservoir and a connection to the liquid line. A first expansion device is disposed in the liquid line and configured to only act on refrigerant flowing towards the outdoor heat exchanger. A second expansion device disposed in the liquid line and configured to only act on refrigerant flowing towards the indoor heat exchanger. The compensator is operable to receive refrigerant, driven by pressure, from the HVAC system, and further operable to allow refrigerant to flow back into the HVAC system.
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公开(公告)号：US20180187938A1
公开(公告)日：2018-07-05
申请号：US15736559
申请日：2016-04-21
Inventor： Yusuke HAZUI , Toshiaki OUCHI , Minoru MATSUO , Satoshi NIKAIDO , Noriyasu MAEHARA
CPC classification number: F25B49/022 , F25B1/00 , F25B1/10 , F25B25/005 , F25B2339/047 , F25B2341/0662 , F25B2400/06 , F25B2400/061 , F25B2400/13 , F25B2400/16 , F25B2600/0251 , F25B2600/0253 , F25B2700/195 , F25B2700/197 , F25B2700/21161 , F25B2700/21172 , F25B2700/21173
Abstract: Provided is a refrigerator system with which refrigerators can be operated efficiently. This refrigerator system has: an upstream refrigerator having a first compressor that compresses a refrigerant, a first condenser that condenses the refrigerant compressed by the first compressor, and a first evaporator that evaporates the refrigerant condensed by the first condenser and cools cold water; a downstream refrigerator having a second compressor that compresses a refrigerant, a second condenser that condenses the refrigerant compressed by the second compressor, and a second evaporator that evaporates the refrigerant condensed by the second condenser and cools the cold water that has passed through the first evaporator; and a higher-level control device that controls the operation of the upstream refrigerator and the downstream refrigerator. The first compressor is a variable-speed device, and the second compressor is a constant-speed device.
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公开(公告)号：US20180187928A1
公开(公告)日：2018-07-05
申请号：US15397284
申请日：2017-01-03
Applicant: Heatcraft Refrigeration Products LLC
Inventor： Shitong Zha
CPC classification number: F25B9/008 , F24D3/14 , F24D3/18 , F24D17/001 , F24D17/02 , F24D2200/24 , F24D2220/2081 , F25B5/02 , F25B6/04 , F25B9/10 , F25B29/003 , F25B30/02 , F25B2309/06 , F25B2309/061 , F25B2339/047 , F25B2341/0662 , F25B2400/13 , F25B2400/22 , Y02B30/12 , Y02B30/18 , Y02B30/24
Abstract: A method for a refrigeration system includes applying, by a gas cooler of the refrigeration system, a first cooling stage to refrigerant circulating through the refrigeration system load. The method further comprises applying, by a heat exchanger located downstream from the gas cooler, a second cooling stage to the refrigerant, wherein the second cooling stage removes heat from the refrigerant, and applying, by the heat exchanger located downstream from the gas cooler, the heat removed during the second cooling stage to a water heating system operable to heat water.
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公开(公告)号：US09976785B2
公开(公告)日：2018-05-22
申请号：US14279043
申请日：2014-05-15
Applicant: Lennox Industries Inc.
Inventor： Rakesh Goel , Eric Berg , Mark Olsen , Ian Burmania
CPC classification number: F25B41/003 , F16L55/02 , F25B41/04 , F25B45/00 , F25B49/005 , F25B2341/065 , F25B2341/0662 , F25B2400/16 , F25B2500/07 , F25B2500/26 , Y10T137/0396 , Y10T137/86381
Abstract: An apparatus for reducing discharge pressure includes a compensator reservoir and a compensator line. The compensator line connects the compensator reservoir and a liquid line. The liquid line connects an outdoor heat exchanger and an indoor heat exchanger of a reversible HVAC system. The compensator line includes a connection to the compensator reservoir and a connection to the liquid line. A first expansion device is disposed in the liquid line and configured to only act on refrigerant flowing towards the outdoor heat exchanger. A second expansion device disposed in the liquid line and configured to only act on refrigerant flowing towards the indoor heat exchanger. The compensator is operable to receive refrigerant, driven by pressure, from the HVAC system, and further operable to allow refrigerant to flow back into the HVAC system.
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公开(公告)号：US09970693B2
公开(公告)日：2018-05-15
申请号：US15120807
申请日：2015-03-06
Applicant: Mitsubishi Electric Corporation
Inventor： Daisuke Ito , Takashi Okazaki , Akira Ishibashi , Shinya Higashiiue , Shigeyoshi Matsui , Yuki Ugajin , Takumi Nishiyama
CPC classification number: F25B39/00 , F25B1/00 , F25B6/00 , F25B6/02 , F25B6/04 , F25B39/04 , F25B40/04 , F25B41/04 , F25B2339/047 , F25B2341/0662 , F25B2400/06 , F25B2500/23 , F25B2600/111 , F25B2600/2519 , Y02B30/743
Abstract: A refrigeration cycle apparatus includes refrigerant circuits each configured to circulate a refrigerant of the same composition. The refrigerant circuit is provided with a radiator configured to condense the refrigerant to transfer heat to external fluid, and the refrigerant circuit is provided with a radiator configured to transfer heat to the external fluid while allowing the refrigerant to be maintained in a supercritical state. The radiator is arranged upstream of the radiator in a direction of a flow of the external fluid. A capacity of a refrigerant flow channel of the radiator is smaller than a capacity of a refrigerant flow channel of the radiator.
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9.发明授权
公开(公告)号：US09958194B2
公开(公告)日：2018-05-01
申请号：US14241590
申请日：2012-01-25
Applicant: Yusuke Tashiro , Kosuke Tanaka , Sangmu Lee
Inventor： Yusuke Tashiro , Kosuke Tanaka , Sangmu Lee
IPC: F25B47/00 , F25B41/00 , F28D17/00 , F25D21/06 , F25B47/02 , F28F17/00 , F28F1/32 , F25D21/14 , F28D1/04 , F28D1/053 , F28D21/00 , F24F11/00 , F25B39/02 , F25B13/00 , F25B41/04
CPC classification number: F25D21/06 , F24F11/42 , F25B13/00 , F25B39/022 , F25B41/04 , F25B47/02 , F25B2341/0662 , F25B2400/12 , F25D21/14 , F28D1/0435 , F28D1/053 , F28D2021/0068 , F28D2021/0071 , F28F1/32 , F28F17/00 , F28F17/005 , F28F2215/02 , F28F2215/12 , F28F2245/04
Abstract: A refrigeration cycle apparatus includes a compressor, a condenser such as an indoor heat exchanger, first expansion means, and an evaporator such as an outdoor heat exchanger that are connected by refrigerant pipes to form a refrigeration cycle. The evaporator is a heat exchanger including a plurality of plate-like heat transfer fins arranged in parallel and subjected to water slip or water repellent treatment, and a heat transfer tube provided in contact with the plurality of heat transfer fins such that refrigerant flows therein. The refrigeration cycle apparatus further includes a drain pan disposed below the evaporator, an evaporator fan for producing an air current flowing to the evaporator, such as an outdoor fan, and a heating unit disposed at a position below the heat transfer fins and on a leeward side of the heat transfer fins.
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公开(公告)号：US09951981B2
公开(公告)日：2018-04-24
申请号：US14334365
申请日：2014-07-17
Applicant: Ford Global Technologies, LLC
Inventor： Franco Ragazzi
CPC classification number: F25B47/00 , B60H1/00385 , B60H1/00921 , B60H1/3214 , B60H2001/00928 , F25B5/04 , F25B6/04 , F25B25/005 , F25B2341/0662
Abstract: Methods and system for managing lubricant within a vapor compression heat pump are presented. In one example, lubricant may be flushed from selected areas of a heat pump to other areas of the heat pump where lubricant is desired. The lubricant may be flushed in full flushing mode or in a partial flushing mode.
