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Matches 1 - 50 out of 19,283

Document Document Title
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...  
WO/2017/199384A1
An air conditioner comprises: an indoor unit and a plurality of outdoor units forming a refrigeration circuit in which a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger are connected so that a refr...  
WO/2017/196626A1
A heat pump system and a control method thereof. The heat pump system includes: a major heat exchange loop (100), including at least one compressor (110), a flow-path switching valve (120), a condenser (130), a first throttling element (...  
WO/2017/190613A1
Disclosed is an air conditioner control method, comprising: detecting whether an air conditioner has received a shutdown command or a mode switching command (S10); if the air conditioner has received the shutdown command or the mode swit...  
WO/2017/192612A1
An air conditioning and heat pump tower includes a main casing, a plurality of connecting pipes, a compressor, a front heat exchanger, a rear heat exchanger, a fan unit, and an energy efficient arrangement. The energy efficient arrangeme...  
WO/2017/185733A1
An air conditioning system and a valve control method therefor. The method comprises: determining whether there is no degree of supercooling at the front end of an electronic expansion valve (130) of an air conditioning system; reducing,...  
WO/2017/185514A1
A cooling and heating air conditioner (100), cooling-only air conditioner (100), and control method for an air conditioner (100). The cooling and heating air conditioner (100) comprises: a two-cylinder compressor (1), a reversing assembl...  
WO/2017/183308A1
An air conditioner capable of simultaneous cooling and heating operations wherein some of a plurality of indoor units in rooms to be air-conditioned are operated in either a cooling operation mode or a heating operation mode while the ot...  
WO/2017/179117A1
This air conditioner comprises: a refrigerant circuit which is configured from a compressor, a first heat exchanger, an expansion unit, a second heat exchanger, and an accumulator connected by pipes and through which a refrigerant flows;...  
WO/2017/179949A1
The present invention provides, in order to improve the stability and durability of products by enabling normal operation even if external air has an extremely low temperature, a dual heat pump heating and cooling apparatus comprising a ...  
WO/2017/179166A1
First throttle devices (212, 213) mounted in a first branch unit (210) and a second throttle device (223) mounted in a second branch unit (220) are provided downstream from indoor-side throttle devices (311) in the flow of refrigerant du...  
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...  
WO/2017/175359A1
This refrigeration cycle device is equipped with a refrigerant circuit which has a compressor (1), a cooling/heating switching mechanism (2), a condenser (3, 5), a refrigerant expansion mechanism (4), and an evaporator (3, 5). When the c...  
WO/2017/168681A1
Provided is an air-conditioner provided with a heat source unit, a plurality of indoor units, a relay unit, a state detector, and a control unit. The relay unit has: a plurality of cooling electromagnetic valves connected in parallel to ...  
WO/2017/168504A1
This air conditioner is provided with: a plurality of indoor units each including at least an indoor-side heat exchanger; an outdoor unit including at least a compressor, an outdoor-side heat exchanger, an intermediate pressure expansion...  
WO/2017/164152A1
An air conditioning operation control device comprises: an operation mode determination unit that determines whether an air conditioning system main unit is in heating operation, wherein the air conditioning system main unit comprises a ...  
WO/2017/163339A1
The air-conditioning device (1) is configured so as to circulate a nonazeotropic refrigerant mixture through a compressor (110), a first heat exchanger (120), a second heat exchanger (130), a first expansion valve (140), and a third heat...  
WO/2017/164333A1
Provided is an air conditioner 1 equipped with: a first depressurization unit 51 by which the pressure of non-azeotropic refrigerant mixture flowing out from a condenser 4 is reduced to a gas-liquid two-phase state; a gas-liquid separato...  
WO/2017/154161A1
Provided is a refrigeration cycle device comprising: a refrigeration cycle circuit having a plurality of load-side heat exchangers; and a plurality of indoor units respectively accommodating the plurality of load-side heat exchangers. Th...  
WO/2017/152002A1
A heating and cooling system includes a heat exchange section to transfer heat between refrigerant and air in both a heating mode and a cooling mode. The heat exchange section includes at least two refrigerant passes. Refrigerant is circ...  
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...  
WO/2017/145219A1
This refrigeration cycle apparatus comprises a heat exchanger and a flow path switching circuit that switches the heat exchanger to an evaporator or a condenser, the flow path switching circuit making a refrigerant flow into the heat exc...  
WO/2017/145619A1
Provided is an expansion valve which is intended for use in a refrigeration cycle capable of switching between a first refrigeration circuit, in which a refrigerant flows through a first heat exchanger and a second heat exchanger in that...  
WO/2017/144779A1
The invention shows an arrangement and a heat pump (8, D, B) to reduce energy consumption of the heat pump, wherein the arrangement comprises at least a connection to the heat pump (8, D, B) for an air conditioning channel, to be arrange...  
WO/2017/146270A1
Provided is a vehicle air conditioning device equipped with a radiator, a bypass pipe which bypasses an outdoor expansion valve, and an opening/closing valve, wherein the vehicle air conditioning device suppresses the occurrence of liqui...  
WO/2017/145243A1
This refrigeration cycle apparatus comprises a refrigeration circuit including a compressor, an outdoor heat exchanger, an indoor heat exchanger and an expansion valve. A refrigerant is enclosed in the refrigeration circuit. The coolant ...  
WO/2017/141149A1
The present disclosure provides methods and system for the cooling of process plant water. A system can include a first heat exchanger for exchanging heat between a first process water stream and a refrigerant; a multiphase pump, coupled...  
WO/2017/138129A1
An air conditioning device comprises: a refrigerant circuit that has a compressor, a first heat exchanger, an expansion valve, and a second heat exchanger and in which refrigerant circulates; a first blower device that supplies air to th...  
WO/2017/138059A1
An air conditioning device comprises a heat source device, a plurality of indoor units, and a relay device. The heat source device comprises: a heat source-side flow rate regulating valve that is connected to a heat source-side heat exch...  
WO/2017/130319A1
A refrigeration cycle device equipped with: a refrigerant circuit through which a refrigerant flows, and equipped with a compressor, a heat-source-side heat exchanger, a first throttling device, and a load-side heat exchanger; a control ...  
WO/2017/123074A1
The present invention relates to techniques for a sensor network, machine to machine (M2M), machine type communication (MTC), and Internet of things (IoT). The present invention can be utilized in the technique-based intelligent services...  
WO/2017/119105A1
An air-conditioning device whereby it is possible to take measures against leakage of a refrigerant without the need for an additional component. This air-conditioning device is equipped with: an outdoor unit which has an outdoor heat ex...  
WO/2017/119225A1
A transport refrigeration system (100) is configured so as to be capable of assuming: a first state in which a refrigerant circulates through a path with compressors (111, 112) connected in series and all indoor heat exchangers (121, 122...  
WO/2017/115359A1
A thermal management system and method are presented for cooling an entity. The system comprises: a closed loop fluid flow line for flow of a coolant while being transferred in between its liquid and gas phases; at least one cooling zone...  
WO/2017/110339A1
A control unit (8) performs, when a total capacity of a plurality of indoor heat-exchangers (52a, 52b) is smaller than the capacity of an outdoor heat-exchanger (24), a heating refrigerant charging operation until a heating refrigerant c...  
WO/2017/110816A1
A control unit (8) starts a heating refrigerant filling operation performed having a refrigerant circuit (10) set to a heating cycle state when filling the refrigerant circuit (10) with a refrigerant, and performs the heating refrigerant...  
WO/2017/103939A1
The present invention provides a device with a combined hybrid mechanical vapour compression-adsorption cycle, particularly to devices used in moisture or temperature control applications which incorporate or embody refrigeration or heat...  
WO/2017/105821A1
A variable refrigerant package air conditioner is shown that is easy to install in new construction with a unique base that causes collected mixture that overflows to drain outside the building. A control system is shown that has motors ...  
WO/2017/094173A1
An air conditioner is provided with a plurality of outdoor units, a plurality of indoor units, a relay unit, an outdoor-heat-exchanger temperature detection unit, an indoor-heat-exchanger temperature detection unit, a discharge temperatu...  
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...  

Matches 1 - 50 out of 19,283