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Matches 1 - 50 out of 19,121

Document Document Title
WO/2017/085888A1
The present invention suppresses a refrigerant from accumulating in stopped indoor units even when some indoor units are operating and other indoor units are stopped. The present invention is provided with: a plurality of indoor heat exc...  
WO/2017/087794A1
A system (20; 300) comprises: a compressor (22) having a suction port (40) and a discharge port (42); an ejector (32) having a motive flow inlet (50), a suction flow inlet (52), and an outlet (54); a separator (34) having an inlet (72), ...  
WO/2017/085887A1
A refrigeration cycle device that includes a compressor (10), first and second heat exchangers (20, 40), an expansion valve (30), a four-way valve (91), and a control device (100). The four-way valve (91) is configured to be able to swit...  
WO/2017/081751A1
To provide a refrigeration cycle device wherein the size of each of a plurality of relay units is reduced. A refrigeration cycle device of the present invention has a refrigerant circuit wherein: at least one heat source-side unit, a plu...  
WO/2017/078349A1
Disclosed is a two-stage heating-type geothermal system using geothermal energy, comprising: a geothermal exchange member; a geothermal heat pump; a booster heat pump; a bypass pipe line; and a bypass pipe opening/closing valve. As such,...  
WO/2017/068902A1
An air conditioning system (1) provided with backup operation control units (61A, 61B) that, when a compressor (10) of a particular outdoor unit among a plurality of outdoor units (2A, 2B) has malfunctioned, carries out a backup operatio...  
WO/2017/069281A1
A vapor compression system includes a heat transfer system including an arrangement of components moving a refrigerant through a vapor compression cycle to condition a controlled environment and a refrigerant management system including ...  
WO/2017/068640A1
Provided is an operation control device such that the noise caused by the rotating sound of a fan can be suppressed while maintaining the operating efficiency of a refrigeration cycle device. The operation control device is used in a ref...  
WO/2017/065309A1
The present invention prevents the oil level in a compressor from dropping when starting the compressor. This heat pump-type heating device (1) is provided with: a compressor (10); a heat source-side heat exchanger (11); a refrigerant ci...  
WO/2017/066532A1
A hybrid Vapor Compression (VC) and Thermoelectric (TE) heat transport system is provided that maintains a set point temperature range of a chamber and includes a VC system and a TE system. The VC system includes a compressor (20), a con...  
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...  
WO/2017/060986A1
Provided is a refrigeration cycle device with which liquid backflow when switching from a cooling mode to a heating mode can be suppressed. This refrigeration cycle device 1 is provided with a bypass circuit 8, 8A that is branched from b...  
WO/2017/059665A1
An air conditioning system (100) and an air conditioning apparatus having the same. The air conditioning system (100) comprises a compressor (110), an indoor heat exchanger (130), an outdoor heat exchanger (120), a reversing module (140)...  
WO/2017/061009A1
This refrigeration cycle device (1) is provided with a refrigerant circuit (RC), a refrigerant tank circuit (12), and degassing piping (30). The refrigerant circuit (RC) is configured by connecting a compressor (2), a channel switching d...  
WO/2017/045933A1
An air-conditioner comprises a compressor (701), a condenser (703) and an evaporator (709). The air-conditioner further comprises a liquid-to-suction heat exchanger (709) provided in the flowpath from the condenser (703) to the evaporato...  
WO/2017/042967A1
Provided is a simultaneous cooling/heating multi-air conditioner wherein a reduction in operating efficiency is prevented. This air conditioner has a plurality of indoor units (40), and is capable of a simultaneous cooling operation and ...  
WO/2017/029534A1
A heat pump system includes a compressor, indoor heat exchanger, outdoor heat exchanger, and expansion valve. A main flow control device fluidly couples a discharge line to the outdoor heat exchanger when the heat pump system is in a coo...  
WO/2017/022421A1
This heat pump system includes: a compressor (13) which compresses and discharges refrigerant; a depressurization unit (17, 18) which depressurizes the refrigerant; an outdoor unit (16) which performs heat exchange between the refrigeran...  
WO/2017/018497A1
A multi-zone vapor compression system (MZ-VCS) includes a compressor connected to a set of heat exchangers controlling environments in a set of zones, a supervisory controller determining a set of control inputs for controlling a vapor c...  
WO/2017/012382A1
Provided are an outdoor unit (100) of a multi-split air conditioner, and a multi-split air conditioner having same. The outdoor unit (100) of a multi-split air conditioner comprises: a compressor (10); a reversing assembly (20); an outdo...  
WO/2017/013163A1
The invention relates to a heat pump system (1), which is used to air-condition a building system (52), and comprises a refrigeration circuit (2), which is connected to a waste heat circuit (36) via a first interface (40) during operatio...  
WO/2017/014345A1
A system for recycling waste heat of hot waste water comprises a hybrid cooling/heating device, a waste heat exchanger, a hot-water heat exchanger, and a recycling complex. The hybrid cooling/heating device is connected with a cooling lo...  
WO2017010007A1
An air conditioner is provided with: a refrigeration cycle circuit for circulating a refrigerant through pipelines connecting a compressor, a heat-source-side heat exchanger that is divided into a plurality of regions for performing heat...  
WO2017008554A1
Disclosed are a multi-split system and a control method for an electronic expansion valve thereof. The return air overheating degree of a compressor (3) is obtained when the multi-split system operates in a main heating mode, and the ope...  
WO2015018054A3
Disclosed are a refrigeration circuit (110) and a method of controlling refrigerant migration within a refrigeration circuit (110). The refrigeration circuit (110) of a heat pump system (100) comprises a reservoir (5) which is provided t...  
WO2017010289A1
This heat pump cycle is provided with: a first utilization side heat exchanger (12) for exchanging heat between a high-pressure coolant discharged from a discharge port of a compressor (11) and a heat exchange target fluid and heating th...  
WO/2017/007585A1
A vapor compression system (200; 400; 600; 700; 800; 900; 1000) comprises a plurality of valves (260, 262, 264; 260) controllable to define a first mode flowpath and a second mode flowpath. The first mode flowpath is sequentially through...  
WO/2017/006596A1
Provided is a refrigeration cycle device capable of suppressing a reduction in heating capacity during simultaneous heating/defrosting operation. A control device selectively performs a first simultaneous heating/defrosting operation and...  
WO/2017/001886A1
A heat exchanger, such as for example, a condenser coil constructed as a fin and microchannel tube is fluidly connected with a volume constructed and configured to store refrigerant in certain operations, such as for example during a pum...  
WO/2017/002547A1
Provided is a heat-pump type air conditioner for a vehicle, wherein noise that is generated upon opening an on-off valve (electromagnetic valve) when the operation mode is switched is eliminated or reduced. The air conditioner has: a deh...  
WO/2017/002214A1
Provided is a refrigeration cycle system comprising a plurality of indoor units which are installed indoors, a plurality of refrigerant leakage detection devices which are also installed indoors, and a control device. When a refrigerant ...  
WO/2016/207993A1
In the present invention, an air conditioner has a heat source device, a plurality of indoor devices, and a relay device connected between the heat source device and the plurality of indoor devices via refrigerant pipelines. A heat-sourc...  
WO/2016/192293A1
A water cooling machine capable of simultaneously outputting water at different temperatures, comprising a compressor (1), a first heat exchanger (2), a first throttling device (3), an economizer (4), a second throttling device (6) and a...  
WO/2016/191417A1
A falling film evaporator includes a housing and a plurality of evaporator tubes located in the housing. A liquid refrigerant distribution system is positioned in the housing and includes a manifold having a plurality of manifold outlet ...  
WO/2016/189667A1
In an air conditioner according to the present invention, a second branching section and a heat exchange section are formed integrally by a multilayer plate in which a plurality of plate members are layered. The multilayer plate and a va...  
WO/2016/189626A1
This air conditioning device 1 is provided with: a refrigerant circuit 2 in which a compressor 4, a plurality of indoor heat exchangers 6, a plurality of expansion units 7 and an outdoor heat exchanger 8 are coupled to one another using ...  
WO/2016/189666A1
In an air conditioner according to the present invention, a second branching section and a heat exchange section are integrally formed by a multilayer plate in which a plurality of plate members are layered. The multilayer plate is arran...  
WO/2016/173497A1
Provided are a multi-split air conditioning system and medium pressure control method thereof. The multi-split air conditioning system comprises an outdoor unit device (10), an airflow dividing apparatus (30), and multiple indoor unit de...  
WO/2016/174750A1
In this air-conditioning device, during cooling operations, a control device 27 determines the increased/decreased value of the frequency of a compressor 1 from first to third increased/decreased values, and updates the frequency of the ...  
WO/2016/176276A1
This exchanger (1100), including superposed plates (2A-2L) which are inserted between two end plates (11, 12) and which define channels for circulation of heat-exchanging fluid. These channels delimit a first circuit (C1) for circulation...  
WO/2016/170576A1
The purpose of the present invention is to provide a refrigeration cycle device that is very reliable and still very efficient. This refrigeration cycle device has: a channel for refrigerant used in cooling (93) formed such that the heat...  
WO/2016/170575A1
A refrigeration cycle apparatus according to the present invention is provided with: a heat source machine that supplies a refrigerant; a first branch unit and a second branch unit that are each connected to the heat source machine; and ...  
WO/2016/171052A1
A refrigeration cycle device has a refrigeration cycle configured from a compressor, a heat exchanger serving as a condenser, an expansion valve, and a heat exchanger serving as an evaporator which are connected successively via refriger...  
WO/2016/166988A1
The present invention suggests a compressor unit for an air conditioner comprising a compressor (37) disposed in a first casing (44), and first and second heat source heat exchanger unit ports (42, 43) configured to connect the compresso...  
WO/2016/166806A1
The purpose of the present invention is to ensure reliability in a coolant compressor and an inverter, and efficient operation of a refrigeration cycle device. This refrigeration cycle device (1) is provided with: a refrigeration cycle i...  
WO/2016/158938A1
The present invention provides an air conditioner with which it is possible to suitably adjust the amount of exchanged heat in accordance with the indoor load applied to indoor units and the required air conditioning performance, irrespe...  
WO/2016/158092A1
Provided is an indoor unit 1 of an air conditioning system. The indoor unit 1, by means of an indoor fan 6, blows out from an exhaust port 5 conditioned air obtained by heat-exchange from a heat exchanger 3 that uses a slightly combustib...  
WO/2016/151150A4
The invention relates to a device for harnessing heat, for the installation thereof between housing and the outside environment, by which means the heat is recovered from a forced current of hotter air and transferred to a second forced ...  
WO/2016/151150A1
The invention relates to a device for harnessing heat, for the installation thereof between housing and the outside environment, by which means the heat is recovered from a forced current of hotter air and transferred to a second forced ...  
WO/2016/146858A1
The invention relates to a high-efficiency, reversible thermodynamic device for heat transfer by means of vapour compression (single- or multi-stage) and phase change. The invention relates to the design and integration of reversible hea...  

Matches 1 - 50 out of 19,121