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WO/2017/185707A1 |
A heat pump water heater and a defrosting control method and device thereof. The method comprises the following steps: when the heat pump water heater enters a defrosting mode, obtaining a water inlet temperature of the heat pump water h...
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WO/2017/187655A1 |
In the present invention, during normal operation, a switch is made to a coolant circuit in which heat of a high-pressure coolant that has flowed out from an indoor radiator (12) is made to be stored in a heat storage member (17), and, w...
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WO/2017/184432A1 |
A decentralized condenser evaporator system includes (i) a condenser system positioned to receive a gaseous refrigerant from a centralized compressor system and configured to condense the gaseous refrigerant into a liquid refrigerant, (i...
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WO/2017/179500A1 |
A refrigerator equipped with a refrigeration cycle having at least a compressor (19), an evaporator (20), a main condenser (21), and a condensation prevention pipe (41). In addition, the refrigerator has a flow path switching valve (40) ...
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WO/2017/178275A1 |
A system (10) for deicing an external evaporator (50) for heat pump systems, the heat pump system comprising at least one compressor (12), at least one internal condenser (16), at least one external evaporator (50), at least one liquid s...
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WO/2017/179165A1 |
Provided is a refrigeration cycle device with improved energy-savings. This refrigeration cycle device comprises: a refrigerant circuit (10); a blower fan (20) which sends air to a heat exchanger (12); and a control unit (30). The contro...
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WO/2017/176838A1 |
A heat pump unit, which comprises: a heat pump system comprising a compressor, a refrigeration heat exchanger, a heating heat exchanger, a first heat exchanger, a flow path switching valve and a throttling element, wherein the throttling...
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WO/2017/176351A1 |
A refrigeration system having a refrigerant circuit including a condenser, a flow control device, an evaporator, and a compressor connected in series. The compressor is configured to circulate a cooling fluid through the refrigerant circ...
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WO/2017/175411A1 |
A defrosting method for removing a frost layer adhering to a cooling surface for cooling a gas to be cooled, wherein the defrosting method includes a heating/temperature-raising step in which the temperature of an adhesion surface, which...
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WO/2017/163337A1 |
A heat-pump-type heating apparatus (1) according to the present invention supplies heat to a heating terminal (70). The heat-pump-type heating apparatus (1) comprises a cooling cycle (10), a heat exchanging part (31), a heat dissipation ...
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WO/2017/164465A1 |
Disclosed is an evaporator comprising: an evaporator case formed in a box shape, opened at both sides, by bending two case sheets coupled to each other; a cooling tube remaining as an empty space between the two case sheets so as to form...
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WO/2017/161421A1 |
A refrigerator including a cabinet for storage of goods to be chilled or frozen. A cabinet exchanger is located within the cabinet and is coupled to a refrigeration assembly via a number of valves. The valves are arranged to switch betwe...
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WO/2017/161425A1 |
Disclosed is a defrost system (200) comprising a refrigeration cycle (202) and defrost cycle (204), and a first heat exchanger (206) and a second heat exchanger (208). The first heat exchanger (206) exchanges heat between the defrost cyc...
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WO/2017/164532A1 |
Disclosed is an evaporator comprising: an evaporator case formed in an empty box shape, of which both sides are open, so as to form a food storage space therein; a cooling tube formed in preset patterns in the evaporator case and in whic...
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WO/2017/157512A1 |
The invention relates to a refrigerator and/or freezer device having at least one body and at least one cooled inner chamber arranged inside said body, said device comprising at least one coolant circuit which cools the inner chamber, an...
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WO/2017/153141A1 |
In a refrigerator having a freezer box and a refrigerant circuit, which has a compressor (21) and a first evaporator (33, 63), wherein the first evaporator is arranged downstream of a stop valve (36, 67) and a first capillary tube (31, 6...
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WO/2017/150349A1 |
An air conditioning device (10) that is a freezing device suppressing prolongation of defrosting operation is provided with a four-stage compressor (20), a fourth heat exchanger (44), a first heat exchanger (41), a bypass valve (28), and...
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WO/2017/145762A1 |
Provided is a heat pump device that comprises a compressor, a condenser, a main inflation unit, and an evaporator constituted of two heat exchangers, the heat pump device also including: a refrigerant circuit in which a refrigerant is ci...
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WO/2017/138108A1 |
The purpose of the invention is to increase or decrease the amount of circulating refrigerant that is diverted to an indoor heat exchanger and a heat source-side heat exchanger that is being defrosted by way of increasing or decreasing t...
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WO/2017/138107A1 |
In order to obtain a refrigeration cycle device with which a heating operation and a simultaneous heating/hot-water supply operation can be performed continuously without a stoppage even in an environment in which frost forms on a heat-s...
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WO/2017/134807A1 |
This air conditioner device is provided with: a refrigerant circuit in which a compressor, a channel-switching unit, an outdoor heat exchanger, an expander, and an indoor heat exchanger are connected by piping, the refrigerant circuit ch...
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WO/2017/130845A1 |
A heat pump system, provided with a heat pump cycle (10), a heat medium circulation circuit (20), and a refrigeration cycle device. The heat pump cycle has a compressor (11), a first heat exchanger (12), a decompression device (13), and ...
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WO/2017/130299A1 |
The purpose of the present invention is to obtain a refrigeration device capable of defrosting an evaporator in a short period of time. A refrigeration device (100) comprises: a refrigerant circuit (100A) which connects with a refrigeran...
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WO/2017/122265A1 |
This air conditioner is equipped with: a refrigerant circuit which is configured of a compressor, an outdoor heat exchanger, an expansion unit, and an indoor heat exchanger connected by piping and which circulates a refrigerant therethro...
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WO/2017/122685A1 |
Provided is a refrigeration device with which it is possible to suppress defects caused by excessive refrigeration even if defrosting is performed in only some of a plurality of outdoor units. An air-conditioning device (100) formed by c...
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WO/2017/122264A1 |
This air conditioner is equipped with: a first temperature-measuring device which is provided in an indoor heat exchanger so as to measure one of the condensation temperature and the evaporation temperature of a refrigerant; a second tem...
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WO/2017/122686A1 |
Provided is a refrigeration device in which it is possible to minimize a decrease in the temperature of an indoor heat exchanger while also preventing a compressor from running out of refrigerant oil. An air-conditioning device (100) for...
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WO/2017/096595A1 |
A heat pump system, comprising a heat pump unit (1), a heat conducting unit (2), and a defrosting unit (3). The heat pump unit (1) supplies heat to a heat conducting circulation pipe (20) of the heat conducting unit (2), so that the heat...
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WO/2017/098796A1 |
This refrigeration cycle device is equipped with: a high-pressure-side heat exchanger (15) which heat exchanges the high-pressure refrigerant discharged from a compressor (22) and a heat carrier; a low-pressure-side heat exchanger (14) w...
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WO/2017/098669A1 |
Provided is a refrigeration cycle device having high reliability by reducing the amount of liquid returning to a compressor while achieving a reduction in hot gas defrost time. This refrigeration cycle device is equipped with a refrigera...
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WO/2017/094148A1 |
An air conditioning device (301) is provided with a flow path switching valve (202). An outdoor heat exchanger (40) is divided into a first heat exchanger (40A) and a second heat exchanger (40B). A refrigerant supplied from an expansion ...
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WO/2017/094594A1 |
In order to inhibit incomplete melting of frost in the lower part of a frosted service-side heat exchanger (51) during a defrosting operation in the reverse cycle of a refrigeration device, and also to prevent the configuration and contr...
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WO/2017/082591A1 |
The present disclosure discloses a defrosting device, including a heating unit provided at a lower side of an evaporator, and configured to heat working fluid therein; and a plurality of heat pipes, both end portions of which are connect...
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WO/2017/078250A1 |
The present invention discloses an evaporator comprising: a case formed in an empty box shape and forming a storage compartment within; a cooling tube formed in a preset pattern on the case and filled therein with refrigerant for cooling...
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WO/2017/073212A1 |
This refrigeration cycle device is provided with: compression mechanisms (11a, 12a) for compressing and discharging a refrigerant; a radiator (13) for causing a heat exchange of the discharged refrigerant with outdoor air; an expansion v...
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WO/2017/073577A1 |
Provided is a refrigeration device in which it is easy to ensure heating capability and suppress noise generated at the time of returning to heating operation. This air conditioner (1), which is a refrigeration device, comprises, in a re...
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WO/2017/069386A1 |
The present invention discloses a defrosting device comprising: a heating unit provided in an evaporator; and a heat pipe having both ends thereof connected to the inlet and the outlet, respectively, of the heating unit, and having at le...
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WO/2017/063321A1 |
An air source heat pump spray defrosting device based on a super-hydrophobic finned tube heat exchanger, comprising a refrigerant loop, a hot water loop, and an air loop. The refrigerant loop comprises a compressor (1), a four-way valve ...
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WO/2017/061010A1 |
A control device with which a refrigeration cycle device according to the present invention is provided performs a refrigerant recovery operation when an operation mode is switched from a defrosting mode to a heating mode. The control de...
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WO/2017/056394A1 |
Provided is a refrigeration device (10) having a refrigerant circuit (20) in which a flammable refrigerant is used, wherein there is provided a defrosting control unit (91) for performing a first control for gradually increasing the high...
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WO/2017/050072A1 |
Provided are a water chiller-heater unit of an air cooled heat pump and a defrosting control method therefor. The water chiller-heater unit of the air cooled heat pump comprises: N modular units (100), water outlet pipes of the modular u...
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WO/2017/050073A1 |
A water chiller-heater unit of an air cooled heat pump and a defrosting control method therefor. The water chiller-heater unit of the air cooled heat pump comprises a first heating water system and a second heating water system. A first ...
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WO/2017/046983A1 |
The purpose of the present invention is to prevent icing-up of a heat exchanger configured using flat perforated pipes and to minimize excessive pressure loss of a refrigerant or size increases to the heat exchanger. This heat exchanger ...
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WO/2017/049258A1 |
A system and method of freeze protection for a chiller including a metering device in flow communication with a condenser, a controller in electrical communication with the metering device, wherein the controller is configured to determi...
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WO/2017/042912A1 |
This air conditioner is provided with: a switching valve provided between an expansion valve and an outdoor heat exchanger; and a bypass circuit of which a first end part is connected to refrigerant piping for connecting a compressor and...
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WO/2017/037891A1 |
A refrigeration cycle device provided with a compressor, a flow path switching valve, a usage-side heat exchanger, a first expansion valve, a second expansion valve, and a heat-source-side heat exchanger, wherein: the refrigeration cycle...
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WO/2017/037747A1 |
Method for controlling defrosting of the outer exchanger of a heat pump machine, comprising the steps of: defining in the outer air temperature/evaporation temperature plane three zones; acquiring the outer air temperature and the evapor...
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WO/2017/037771A1 |
A refrigeration cycle device configured such that, when starting a defrosting mode, a first depressurization device adjusts the flow rate of refrigerant so as to bring the superheat degree of the refrigerant on the intake side of a compr...
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WO/2017/037189A1 |
A system (10, 70) for deicing the external evaporator in a heat pump system, characterized in that it comprises: - a refrigeration circuit (20, 80), connected in input and in output to the heat pump system and adapted to convey coolant g...
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WO/2017/034314A1 |
The present invention discloses a defroster comprising: a heating unit having a heater case arranged vertically along an up-down direction on the outside of an evaporator, and a heater disposed vertically in the up-down direction inside ...
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