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Matches 1 - 50 out of 9,849

Document Document Title
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/2017/004416A1
A system and a method are provided including a system controller for a refrigeration or HVAC system having a compressor rack with a compressor and a condensing unit with a condenser fan. The system controller monitors and controls operat...  
WO/2016/206816A1
In order to deice a heat exchanger in evaporator operation of a cooling system (1), which heat exchanger was iced at low evaporation temperatures, wherein refrigerant (30) can flow or flows through the heat exchanger in evaporator operat...  
WO/2016/194189A1
Provided is a cooling apparatus, with a hot gas defrosting system, allowing defrosting time to be shortened and residual frost to be prevented. The cooling apparatus (100) according to the present invention comprises: a first hot gas cir...  
WO/2016/189739A1
In this air conditioning device, a heat source machine and an indoor machine including an indoor-side flow rate control device and an indoor-side heat exchanger are coupled to one another by means of refrigerant piping. The heat source m...  
WO/2016/187923A1
A defrosting control method for an air conditioner, comprising the following steps: when the air conditioner enters a defrosting mode, acquiring outdoor environment temperature and outdoor environment humidity; judging whether the outdoo...  
WO/2016/181105A1
A condensate valve is arranged at the lower end of a condensate conduit forming part of a cool gas gravity circuit for recirculating refrigerant between a heat store and an evaporator during a defrost cycle. A valve assembly is arranged ...  
WO/2016/166801A1
This air conditioning device 1 has the following two possible operations: a first parallel heating and defrosting operation in which hot gas discharged from a compressor 2 is supplied to a first heat source-side heat exchanger 6a by clos...  
WO/2016/166873A1
This heat pump system (300) is provided with: a refrigerant circuit (15) which has a refrigerant flow passage through which a refrigerant flows and a heating medium flow passage through which a heating medium flows, and in which the refr...  
WO/2016/157774A1
This control device (4) detects, in a refrigerant cycle device (2, 102) that has a plurality of evaporators (24A, 24B, 24C, 24D), a frost state or a pre-frost state in the evaporators. The control device controls the temperature of a pre...  
WO/2016/142535A1
The invention relates to a method for reducing the noise perceived during the defrosting of the external heat exchanger (5) of a heat pump (1), said heat pump (1) comprising a compressor (2), a four-way valve (6), an external heat exchan...  
WO/2016/139783A1
Provided is a refrigeration cycle device for suppressing fluid backflow to a compressor at the time of a hot gas reverse-type defrost operation. This refrigeration cycle device (1) executes a hot gas reverse-type defrost operation and in...  
WO/2016/139388A1
The invention relates to a cleaning device for cleaning the coils of heat pumps and similar devices. The cleaning device comprises a compressor (1), a water tank (2) and a detergent container (3). Compressed air, water and detergent are ...  
WO/2016/136128A1
A refrigerating device (10) is provided with a controller (120) that performs control so as to change defrost termination conditions or defrost capability in accordance with the time of duration of a stable temperature state in which the...  
WO/2016/138382A1
A method of controlling a refrigeration system having a compressor (22), a condenser (24), an evaporator (28), and a variable speed condenser fan (44) is provided. The method includes determining if a change in an ambient temperature or ...  
WO/2016/125647A1
A control device (216) is provided with a control unit (217). When operating a cooling cycle for cooling water using a water heat exchanger (201), the control unit controls the differential pressure determined by subtracting the pressure...  
WO/2016/121068A1
A refrigeration cycle device equipped with: a refrigerant circuit that includes a compressor, a flow path switching device, a heat-source-side heat exchanger, a first throttle device, and a usage-side heat exchanger; and a liquid backflo...  
WO/2016/121103A1
A refrigeration cycle device 1 equipped with a circuit 3 that includes a compressor 5, an outdoor heat exchanger 100, an expansion unit 7, and an indoor heat exchanger 9. The outdoor heat exchanger 100 is equipped with a fan 100a, an upw...  
WO/2016/117113A1
An air conditioner is equipped with a control unit that controls a refrigerant circuit switching device such that, during a first control period after a defrosting operation has been stopped, the rotational speed of a compressor is set l...  
WO/2016/113868A1
A refrigeration cycle device 100 provided with refrigerant piping 90 configured so that, in heating operation, a refrigerant flows through a compressor 1, a four-way valve 2, an indoor heat exchanger 3, a first expansion valve 4, a secon...  
WO/2016/113850A1
Provided is an air-conditioning device that can perform defrosting efficiently without stopping heating performed by an indoor unit. This air-conditioning device is equipped with: a primary circuit 50, which circulates a refrigerant, and...  
WO/2016/113851A1
An air conditioning device 100 comprises: a selecting means 31 for selecting a reverse defrost operating mode to stop heating operations and defrost all parallel heat exchangers 50 or a simultaneous heat and defrost operating mode to def...  
WO/2016/113912A1
Provided is a refrigerating and air conditioning device with which a rise in the inside temperature during a defrosting operation can be minimized. This refrigerating and air conditioning device is provided with: a refrigeration cycle in...  
WO/2016/111003A1
A heat storage unit 300 is provided with: a first connecting section 320; a second connecting section 322; a third connecting section 324; a fourth connecting section 326; a heat storage section 30 having a heat storage material 34 that ...  
WO/2016/107164A1
Disclosed is a main engine outer casing structure of an air cooled heat pump unit, which belongs to the technical field of heat pumps. The main engine outer casing structure comprises a finned heat exchanger containing chamber (14) and a...  
WO/2016/103552A1
In the present invention, the load on a compressor during reverse-cycle operation is reduced. When reverse-cycle operation criteria are met, a cycle control unit (32a) causes an outdoor heat exchanger (23) to function as a condenser and ...  
WO/2016/104320A1
The vehicle air conditioning device according to the present invention is a heat-pump-type vehicle air conditioning device provided with an outdoor heat exchanger for exchanging heat between outside air and an internally flowing refriger...  
WO/2016/098195A1
An air conditioning device 1 comprises at least two outdoor units mounted with a compressor 101 and an outdoor heat exchanger 103, and at least one indoor unit 200 having an indoor throttling device and an indoor heat exchanger 201. Whil...  
WO/2016/089778A1
An additive heat transfer unit (AHTU) can be part of or added to an air source heat pump HVAC system. The heat pump system includes a compressor (2), an expansion valve (6), first and second air source heat exchangers (22), and a reversi...  
WO/2016/088379A1
A refrigeration device (10) wherein: a defrosting operation control unit (106) is provided, said defrosting operation control unit beginning a defrosting operation when it is determined that the temperature difference (SS-EOS) between th...  
WO/2016/083858A1
A heat pump system includes a refrigerant circuit, at least one compressor, an evaporator, and a controller programmed to defrost the evaporator in a defrost mode, wherein in the defrost mode the controller is programmed to monitor the e...  
WO/2016/084139A1
An air conditioner 1 comprises an outdoor heat exchanger 14, an outdoor fan 12 blowing air to the outdoor heat exchanger, an outdoor fan motor 20 to drive the outdoor fan, an outdoor fan inverter 21 to drive the outdoor fan motor, and a ...  
WO/2016/084796A1
The purpose of the present invention is to provide an inexpensive air-conditioning machine with which it is possible to perform mild heating suitable for climates in which heating is needed for only brief periods. In this air-conditionin...  
WO/2016/084341A1
The purpose of the present invention is to reduce the time taken from the startup of a device until the completion of frost removal, and to prevent a large amount of liquid refrigerant from entering a compressor. Provided is a heat pump ...  
WO/2016/064200A3
A defrosting device includes a heating unit filled with a working fluid and including an active heating part heated to a first temperature that can evaporate the working fluid, and a passive heating part positioned at a rear side of the ...  
WO/2016/064200A2
A defrosting device includes a heating unit filled with a working fluid and including an active heating part heated to a first temperature that can evaporate the working fluid, and a passive heating part positioned at a rear side of the ...  
WO/2016/060145A1
In heating mode, when a thermostat OFF operation is performed, the operating time period of the immediately preceding thermostat ON operation is checked. If this operating time period is equal to or less than a prescribed time period, th...  
WO/2016/056078A1
In the present invention, an air conditioner is provided with at least the following: a first heating mode in which a heating operation is carried out by causing a refrigerant ejected from a compressor 1 to flow into a use-side heat exch...  
WO/2016/051820A1
In order to provide an automatic vending machine with which it is possible to suppress the energy required to cool a storage chamber with which the automatic vending machine is provided, even if the set temperature in said storage chambe...  
WO/2016/042612A1
A refrigeration cycle device configured so as to be equipped with a refrigeration circuit having a compressor, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger, which are connected by refrigerant piping, with th...  
WO/2016/042613A1
A refrigeration cycle device configured so as to be equipped with: a refrigeration circuit having a compressor, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger, which are connected by refrigerant piping; an out...  
WO/2016/034787A1
The invention relates to a method for dehumidifying a gas including water vapour, said method including: a step of sucking the gas to be dehumidified into the driers (17); a step of cooling the gas in the driers (17), by means of the coo...  
WO/2016/029428A1
A heater (300) is provided. The heater (300) can be configured to set off an alarm when a heating element (320) is broken or malfunction. The heater (300) can also be configured to connect the heating element (320) to a relatively low vo...  
WO/2016/029092A1
A method for defrosting a heat exchanger of a refrigeration circuit is provided. The method includes monitoring a compressor suction parameter at a suction line to a compressor of the refrigeration circuit. The method also includes deter...  
WO/2016/015768A1
The present invention relates to a refrigeration appliance having at least one fresh food refrigeration compartment and at least one freezer compartment, the refrigeration appliance having a refrigeration and defrost circuit (1) comprisi...  
WO/2016/013194A1
A refrigeration cycle device is provided with: a first refrigeration cycle circuit (1); a second refrigeration cycle circuit (2); a warm water circuit (5) that cools a heat source (3); a first water-refrigerant heat exchanger (13) that p...  
WO/2016/010220A1
The present invention relates to a cooling device and a method for controlling the cooling device, wherein the cooling device comprises: a refrigerant pipe including a polymer material; and a power supply unit for supplying, to the refri...  
WO/2016/008134A1
Provided is a heat pump system (10, 10A) for a conditioned space comprising a first thermal fluid circuit adapted to selectably operate to circulate a thermal fluid therein, and a second thermal fluid circuit adapted to selectably operat...  
WO/2016/002009A1
This air conditioning apparatus is provided with: a flow rate adjustment apparatus (42), which is provided on a bypass circuit (41), and which adjusts the quantity of a cooling medium flowing on the bypass circuit (41); a housing (10a) h...  
WO/2015/198742A1
In this chiller system, one unit from a plurality of chillers is designated as a master unit chiller. From among the plurality of chillers, a chiller that requires defrost operation makes a request, to the master unit chiller, for defros...  

Matches 1 - 50 out of 9,849