Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 19,400

Document Document Title
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...  
WO/2018/047331A1
Provided is an air conditioning device in which refrigerant stagnation at the downstream side of an evaporator is prevented and refrigerant circulation is excellent. This air conditioning device is provided with: a main circuit in which ...  
WO/2018/047330A1
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...  
WO/2018/047238A1
This refrigeration cycle device is provided with: a refrigerant circuit; a high pressure-side pressure sensor; an outside air temperature sensor; an outdoor fan, a fan driving unit; and a control device. The control device is provided wi...  
WO/2018/042490A1
Provided is a refrigeration cycle device wherein startup properties when restarting cooling operation can be improved and safety can be improved during refrigerant leaks. A refrigeration cycle device (100A) has a refrigerant circuit in w...  
WO/2018/040579A1
Provided is an air conditioning system, comprising a compressor (1), a first four-way valve (21), an outdoor heat exchanger (3), an indoor heat exchanger (4), a second four-way valve (22), an auxiliary heat exchanger (5), a first throttl...  
WO/2018/037545A1
An air conditioning device (100) operates in an operating mode selected from a first cooling mode, a second cooling mode, and a dehumidifying mode. The air conditioning device (100) comprises a refrigerant circuit (102) in which a refrig...  
WO/2018/037465A1
This heat pump apparatus is provided with an outdoor heat exchanger, a fan that introduces outside air into the outdoor heat exchanger, and a control device that controls the defrosting operation of the outdoor heat exchanger, wherein: t...  
WO/2018/037466A1
In a first state of a four-way valve (2), refrigerant output from an indoor heat exchanger (5) flows into a compressor (1), and refrigerant output from the compressor (1) flows into an outdoor heat exchanger (3). In a second state of the...  
WO/2018/029872A1
Provided is an air conditioner (1) equipped with an indoor heat exchanger (32), an outdoor heat exchanger (14), an expansion valve (15), a compressor (12), and a control unit (100). The control unit (100) increases the degree of opening ...  
WO/2018/029784A1
The purpose of the invention is to provide a heat exchanger and a refrigeration cycle device provided with the heat exchanger that can reduce heat leaks inside a condenser when the heat exchanger functions as a condenser. Provided is a h...  
WO/2018/029817A1
A refrigeration cycle device is provided with: a compressor (1); a flow channel switching device (2); a first heat exchanger (4) including a first heat exchange unit (4a) and a second heat exchange unit (4b); a flow channel conversion de...  
WO/2018/025934A1
A heat source unit (11) for an air-conditioning device (10) that is a refrigeration device, said heat source unit being provided with a heat-source-side heat exchanger (40) that exchanges heat between a refrigerant and heat source water....  
WO/2018/018764A1
Provided are a cold-warm air conditioner (100) and control method. The cold-warm air conditioner (100) comprises: a double-cylinder compressor (1); a reversing assembly (5), comprising a first outdoor connecting valve port (52), a second...  
WO/2018/020654A1
This refrigeration cycle device has a refrigerant circuit in which a compressor, a first heat exchanger, an expansion mechanism, and a second heat exchanger are connected by piping. The first heat exchanger has a first refrigerant flow c...  
WO/2018/020621A1
Provided is an air conditioning device comprising a heat source, a plurality of indoor units, a relay device, and a control unit. The relay device has a liquid state detection unit, a gas/liquid separation device, a second flow rate cont...  
WO/2018/018765A1
Provided are a cooling and heating air conditioner (100), and control method. The cooling and heating air conditioner (100) comprises: a double-cylinder compressor (1); a reversing assembly (5) comprising a first outdoor connection valve...  
WO/2018/008837A1
The present invention relates to a heat pump connection type adsorption desalination system using time shifting, the system recovering fresh water from seawater, and being characterized in that a reactor includes a plurality of reaction ...  
WO/2018/008139A1
In this air-conditioning apparatus (1), a compressor (5) and a heat exchanger group (10) are housed in an outdoor unit (4) of an outdoor device (3). The heat exchanger group (10) includes a first heat exchanger (11), a second heat exchan...  
WO/2018/006569A1
Disclosed is an air-conditioning system (100), comprising a compressor (1) with two cylinders performing compression independently of each other, a diversion unit (2), an outdoor heat exchanger (3), a first throttle unit (4), an air-liqu...  
WO/2018/003096A1
This air-conditioning device comprises: a heat source unit that has a compressor, a flow path switching valve, and a heat-source-side heat exchanger; a plurality of indoor units that have load-side heat exchangers and perform cooling ope...  
WO/2018/003699A1
A heat source-side heat exchanger (23) of the present invention has a first coolant connection pipe (23a) and a second coolant connection pipe (23b), and is configured such that a coolant that flows in from the first coolant connection p...  
WO/2017/221396A1
An air conditioner according to the present invention is provided with: a refrigeration cycle circuit having a compressor, a condenser, a plurality of electronic expansion valves, and a plurality of evaporators; and a control device for ...  
WO/2017/221025A1
There is provided a thermal energy storage system suitable for use with systems adapted to transfer heat from at least one heat source to at least one heat sink (heat transfer system), comprising at least one thermal energy storage unit....  
WO/2017/221618A1
An ejector refrigeration cycle comprises a compressor (11), a heat exchanger for heating (12), a first pressure reducing device (15b), an outdoor heat exchanger (17), a second pressure reducing device (15e), a heat exchanger for cooling ...  
WO/2017/216861A1
The air conditioner (1) comprises a bypass flow path (161) and a cooling/heating switching mechanism (150). The bypass flow path (161) is configured so as to serve as at least part of the flow path for connecting a third port (P3) to the...  
WO/2017/212158A1
The present invention relates to an indirect reversible air-conditioning circuit (1) for a motor vehicle, including: a first refrigerant loop (A) in which a refrigerant circulates; a second heat-transfer fluid loop (Ω) in which a heat-t...  
WO/2017/206106A1
Provided is a heat exchange system, comprising an evaporator, a compressor, a condenser, and a first throttling element, which are connected via a working fluid flow path. The outlet of the evaporator is connected to the inlet of the com...  
WO/2017/208438A1
A first air conditioning device (1) has a first refrigerant circuit and supplies air to an indoor space. A second air conditioning device (2) has a second refrigerant circuit and supplies air to the indoor space. A control device (30) co...  
WO/2017/209188A1
In order to prevent condensation from occurring in a rotor of an indoor fan when a multi-type air conditioning device performs a low-capacity cooling operation, at least one indoor unit among multiple indoor units (40, 50, 60) is configu...  
WO/2017/203606A1
An air conditioner provided with: an outdoor unit having at least a compressor, refrigerant channel switching device, heat source-side heat exchanger, and first throttle device as components; and an indoor unit having at least a load-sid...  
WO/2017/203706A1
The indoor units have a first valve. The indoor units control the first valve in response to a command from an outdoor unit, and transfer the command from the outdoor unit to a cooling/heating switching unit to which the indoor unit is c...  
WO/2017/199276A1
An air conditioner comprises an outdoor unit, a plurality of cooling-heating switching units that are connected to the outdoor unit and have valves for switching a refrigerant channel, an aggregate unit that integrally houses the cooling...  
WO/2017/200200A1
A roof snow-melting system using geothermal heat is disclosed. The roof snow-melting system using geothermal heat, according to the present invention, comprises: a heat pump unit for generating and supplying a heating and cooling heat so...  

Matches 1 - 50 out of 19,400