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Matches 1 - 50 out of 19,560

Document Document Title
WO/2018/198726A1
Provided are a refrigerant channel switching unit and an air conditioner in which the interior of a case can be filled with a foaming agent fully without spaces therein and with which the number of foam fillings and the fill volume can b...  
WO/2018/193537A1
In this air conditioner in which a plurality of indoor units are connected to one outdoor unit, the outdoor unit includes two compressors, two outdoor heat exchangers, one outdoor fan, and one outdoor fan motor. The air conditioner has a...  
WO/2018/189942A1
In the present invention, first connection valves (82, 84, and 86) are provided respectively on refrigerant pipes connecting a refrigerant switching unit (20) with indoor heat exchangers (51, 52) and a hot-water supply heat exchanger (61...  
WO/2018/188269A1
Disclosed is a cold energy recovery-type variable-capacity air-source heat pump system, relating to combined heating and refrigerating systems running in an alternating or synchronous manner, wherein a first subsystem (1) and a second su...  
WO/2018/189805A1
This refrigeration cycle device (2) is provided with a flow passage switching section (162) and a control device (172). The flow passage switching section (162) is connected between an expansion valve (140) and a second heat exchanger (1...  
WO/2018/189826A1
A refrigeration cycle device comprises a refrigerant circuit in which a compressor, a heat source-side heat exchanger, a first expansion valve, a second expansion valve, and a load-side heat exchanger are connected via refrigerant piping...  
WO/2018/186044A1
To prevent a refrigerant in a compression chamber from flowing back through an injection flow path to a refrigeration cycle. The present invention is provided with injection piping 116 for supplying an injection refrigerant to a rotary c...  
WO/2018/185911A1
An air conditioning system comprises: an outdoor unit that has a compressor and an outdoor heat exchanger; a plurality of indoor units that each have a throttling device and an indoor heat exchanger and that are connected to the outdoor ...  
WO/2018/185823A1
When this refrigeration cycle device is performing cooling operations, a control device (30) sets a first expansion valve (3) to an open state, a second expansion valve (23) to an open state, a shut-off valve (9) to a closed state, and a...  
WO/2018/186250A1
A geothermal utilization heat exchanger (10) is installed between an outdoor heat exchanger (8) and an indoor heat exchanger (5). In addition, a first restriction part (15) configured from a first expansion valve (13) and a bypass valve ...  
WO/2018/177476A1
The invention relates to a heat pump, comprising a refrigerant circuit (1) which can be operated optionally in heating or cooling mode and has a refrigerant collector (2), on which a first opening (2.1) is provided for the supply of refr...  
WO/2018/181065A1
A control unit (19) that controls operation of a refrigerant circuit (10) performs pump-down operation for collecting a non-azeotropic refrigerant mixture in a part, of an outdoor unit (2), in the refrigerant circuit (10), performs compo...  
WO/2018/180240A1
In order to improve the heat exchanging efficiency of a heat exchanger provided with a windward side heat exchange part and leeward side heat exchange part, the windward side heat exchange part (51) is disposed on the windward side with ...  
WO/2018/176284A1
Disclosed is an air conditioner (100) comprising: a low back pressure compressor (1), the low back pressure compressor (1) comprising a housing (11) and an air cylinder, wherein the housing (11) has an air exhaust port (A) and an air ret...  
WO/2018/167820A1
When refrigerant leakage is detected by refrigerant leakage sensors (4A, 4B), a refrigerant recovery operation is initiated. In the refrigerant recovery operation, refrigerant recovery into an accumulator (108), and a pump down operation...  
WO/2018/154839A1
A dehumidifier (1) is provided with an evaporator (31), a condenser (33b), a housing (10), and a blower fan (21). A part of the air taken into the housing (10) by means of the blower fan (21) sequentially passes through the evaporator (3...  
WO/2018/154837A1
This dehumidifier (1) is provided with an evaporator (31), a compressor (32), a first condenser (33a), a second condenser (33b), a case (10) and a fan (21). The evaporator (31), first condenser (33a) and second condenser (33b) are arrang...  
WO/2018/156720A1
Distributed Climate-Control Systems and Methods with Distributed Protection against Refrigerant Loss: the system includes a central condenser unit in combination with a distributed network of air handling units. Each air handler includes...  
WO/2018/154838A1
This dehumidifier (1) is provided with an evaporator (31), a compressor (32), a first condenser (33a), a second condenser (33b), a case (10) and a fan (21). The evaporator (31), first condenser (33a), second condenser (33b) and fan (21) ...  
WO/2018/155028A1
In this system, while heat exchange is efficiently carried out through direct contact of multiple types of refrigerant, the refrigeration cycle function is made to function adequately without the problem of contamination of the refrigera...  
WO/2018/154836A1
A dehumidifier (1) is provided with an evaporator (31), a first condenser (33a), a second condenser (33b), a case (10), and a blower fan (21). Inside the case (10), a mixing space (41) is formed between the first condenser (33a) and the ...  
WO/2018/147413A1
Heat source unit (2) for an air conditioner (1) comprising a refrigerant circuit, the heat source unit comprising an external housing (10) accommodating a compressor (3) to be connected to the refrigerant circuit; a heat source heat exch...  
WO/2018/147235A1
Provided is an air conditioning device configured so that by causing a sufficient amount of refrigerant to flow into an indoor unit that is unable to provide cooling capacity, it is possible to provide sufficient cooling capacity in resp...  
WO/2018/142817A1
The purpose of the present invention is to mitigate the sensation of cold airflow from an air conditioner that performs heating using a vapor-compression refrigeration cycle and to promote an increase in room temperature. In the present ...  
WO/2018/139304A1
A refrigeration device (10) comprising a refrigerant circuit (20) that performs a freezing cycle in which one out of a heat exchanger (23) on a heat source side and a heat exchanger (28) on a usage side serves as a radiator and the other...  
WO/2018/135277A1
An air conditioning system that is useful for preventing condensation in electric component cooling pipes constituting a part of a refrigerant pipe line. This air conditioning system includes a compressor, an outdoor heat exchanger, and ...  
WO/2018/122943A1
An air conditioner capable of simultaneous warming and cooling operation, with which it is possible to selectively perform air-cooling operation or air-warming operation with each indoor unit, wherein a relay device is provided with: a f...  
WO/2018/125171A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control system based on a variable speed AC compressor.  
WO/2018/109036A1
The present invention relates to a valve arrangement (2) for an operation mode selector of an air conditioning system, the valve arrangement (2) comprising a tube element (3) which comprises a discharge port (4), a suction port (5) and a...  
WO/2018/110185A1
Provided is a refrigerant circuit system with which it is possible to promote overcooling while adequately controlling the compressor temperature. The refrigerant circuit system (1) is provided with: a gas-liquid heat exchanger (20) for ...  
WO/2018/105039A1
This air conditioning apparatus is provided with: a refrigerant circuit connecting an outdoor unit and a plurality of indoor units; an on-off valve provided to, among a plurality of refrigerant pipes, a refrigerant pipe through which a r...  
WO/2018/100729A1
This refrigeration cycle device has: a heat source unit including a compressor; an indoor unit which performs heat exchange between air in a space to be air-conditioned and a refrigerant flowing and circulating through an air-conditionin...  
WO/2018/097124A1
Provided is an air conditioning device which has a plurality of compressors connected in parallel, and can be operated at high efficiency regardless of the magnitude of a required load. This air conditioning device is provided with: a fi...  
WO/2018/092186A1
This flow path switching valve comprises: a first shutoff valve which is provided between a gas pipe that allows a refrigerant to flow in and out and a low-pressure pipe that allows the refrigerant to flow out, and which permits or shuts...  
WO/2018/086418A1
Provided are a refrigerating system (100) and a refrigerating device. The refrigerating system (100) comprises: an outdoor heat exchanger (1) provided with a first outdoor port (11) and a second outdoor port (12); an indoor heat exchange...  
WO/2018/082282A1
A multi-split system and a liquid return prevention control method thereof during defrosting of the multi-split system. The method comprises the following steps: when the multi-split system is in heating operation, detecting gas exhaust ...  
WO/2018/079034A1
A refrigeration cycle 20 provides a heat pump cycle apparatus. An outdoor heat exchanger 22 is used as a condenser in cooling operation and second dehumidification/heating operation. The outdoor heat exchanger 22 is used as an evaporator...  
WO/2018/079472A1
A control unit (19) of an air conditioning device (1) performs a first shut-off control for, on the basis of information from a coolant leakage detection means (79a, 79b, 79c, 79d) when there is coolant leakage, opening a liquid relay sh...  
WO/2018/079517A1
Provided is an air conditioning apparatus that is capable of performing high-efficiency operation without stopping heating even when the outside air temperature is low. The air conditioning apparatus is provided with: a switching circuit...  
WO/2018/078809A1
This refrigeration cycle device (50) comprises a refrigerant circuit which circulates a nonazeotropic refrigerant mixture. The refrigerant circuit includes a compressor (1), an outdoor heat exchanger (5), an indoor heat exchanger (8), an...  
WO/2018/074111A1
Provided is a vehicular air conditioning device that can continue operation for as long as possible even when information pertaining to an interior air blower cannot be obtained. The vehicular air conditioning device is provided with a c...  
WO/2018/061785A1
The present invention achieves comfortable air-conditioning in a passenger compartment by causing an appropriate difference in temperature of air discharged from a blowout port. This air-conditioning device 1 for a vehicle comprises a co...  
WO/2018/062528A1
The present invention inhibits reduced reliability. A refrigeration device for performing a refrigeration cycle in a refrigerant circuit (RC) in an air conditioning system (100), the refrigeration device being provided with an outdoor he...  
WO/2018/062547A1
An air conditioner (1), having liquid-side indoor expansion valves (51a, 51b) corresponding to the liquid side of each indoor heat exchanger (52a, 52b), and gas-side indoor expansion valves (61a, 61b) corresponding to the gas side of eac...  
WO/2018/062177A1
This air conditioner comprises: an outdoor unit having a compressor and an outdoor heat exchanger; an indoor unit having an indoor heat exchanger; and liquid refrigerant connection piping and gas refrigerant connection piping for connect...  
WO/2018/062184A1
Provided is an air conditioner that has: an outdoor unit; a plurality of indoor units each having an indoor heat exchanger; a relay unit for switching the plurality of indoor heat exchangers so as to cause the indoor heat exchangers to i...  
WO/2018/055739A1
A condenser (3) includes: a heat exchanger (3) having a refrigerant flow channel (33) and a refrigerant flow channel (34); and a flow channel switching unit (6) configured to perform switching so as to sequentially flow a refrigerant (in...  
WO/2018/055740A1
An outdoor unit heat exchanger (3) is provided with a first outdoor unit heat exchanger (3a), a second outdoor unit heat exchanger (3b) and a switching valve (4). The number of a plurality of first refrigerant flow channels (RF1) of the ...  
WO/2018/051408A1
Provided is an air conditioner that can improve heat exchange performance during a heating operation and during a cooling operation and achieve continuous heating operation, while suppressing an increase in manufacturing cost and packagi...  
WO/2018/047416A1
An air conditioner is provided which obtains improved power saving performance by avoiding decreases in refrigeration cycle efficiency. This air conditioner is provided with a main circuit which circulates a refrigerant and which compris...  

Matches 1 - 50 out of 19,560