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Matches 1 - 50 out of 14,468

Document Document Title
WO/2019/010171A1
A refrigeration system and a start control method for a refrigeration system. The refrigeration system includes: a refrigeration loop having an exhaust port of a compressor, a condenser, a throttle element, an evaporator, and a suction p...  
WO/2019/007150A1
A method for controlling a heat pump system (1; 10). The heat pump (1; 10) system comprises a compressor (2; 20) for compressing a working fluid (3; 30) of the heat pump system (1; 10) and an electric motor (4; 40) for providing an outpu...  
WO/2019/004112A1
The present invention addresses the problem of suppressing, in a refrigerating device provided with a differential pressure-type expansion valve in which the valve opening degree varies according to a pressure difference, defects that ar...  
WO/2019/003532A1
An air-conditioning device (1) wherein the amount of refrigerant filling a refrigerant circuit (100) is set within a range defined by a lower limit filling amount and an upper limit filling amount. The lower limit filling amount is an am...  
WO/2019/004578A1
The disclosed invention relates to an air conditioner and a control method thereof. The air conditioner may comprise; a compressor; an indoor heat exchanger temperature sensor for sensing a temperature of an indoor heat exchanger; an ind...  
WO/2019/003268A1
A device utilizing a heat pump comprises a refrigerant circuit and a heat transfer medium circuit. The refrigerant circuit can execute a first operation in which a load-side heat exchanger functions as a condenser and a second operation ...  
WO/2018/235125A1
A heat-pump utilization device according to the present invention is provided with a refrigerant circuit and a heat medium circuit. The refrigerant circuit is capable of performing a heating operation and a cooling operation. A first exp...  
WO/2018/236579A1
Apparatuses, methods, and systems for adjusting scale(s) of a refrigerant recovery system (RRS) are described. The RRS can determine pressure and weight measurements of content within a refrigerant storage tank. The RRS can determine wei...  
WO/2018/227964A1
A water heater and a control method therefor. The water heater comprises a compressor (10), a four-way valve (12), a three-way valve (14), a first heat exchanger (16), a first fan assembly (18), a second fan assembly (22), a water tank (...  
WO/2018/228135A1
A control method for preventing compressor overheating of a variable-frequency air conditioner, comprising: step S102, obtaining the temperature of a compressor body and the exhaust temperature of the compressor; and step S104, controlli...  
WO/2018/229921A1
This air conditioner is provided with: a housing; a gas sensor that is disposed in the housing and outputs a sensor output in accordance with the concentration of a refrigerant; a control device that compares the sensor output of the gas...  
WO/2018/229890A1
This refrigeration cycle device, in which a refrigerant is circulated in a first circulation direction through a compressor, a first heat exchanger, an expansion valve, and a second heat exchanger in said order comprises an oil separator...  
WO/2018/230281A1
Provided is an air conditioning system, or the like, that has a high degree of freedom in selecting an air handling unit. An air conditioning system (100) comprises an outdoor unit (10) that includes a compressor (11) and an outdoor heat...  
WO/2018/223758A1
Disclosed are a method for controlling an air-conditioner air cooling unit and an air-conditioner. The air-cooling unit comprises a fan and a compressor connected to the fan. The control method comprises the following steps: when the air...  
WO/2018/225419A1
A refrigerant volume estimation device (30) is applied to a vapor-compression refrigeration cycle device (20) that is mounted to a mobile body (1) and that has a refrigerant circulation circuit (200). The refrigerant volume estimation de...  
WO/2018/225545A1
The purpose of the present disclosure is to enable, without requiring any operation by an occupant, highly precise detection of refrigerant quantity which is the quantity of a refrigerant circulating in a circulation circuit of a refrige...  
WO/2018/225846A1
The present invention prevents a fire that has started outside an outdoor unit of a refrigeration apparatus from spreading to a substrate in an electrical component box, and at the same time to prevent a decline in the cooling function o...  
WO/2018/223759A1
Disclosed are a method for controlling an air-conditioner air cooling unit and an air-conditioner, wherein the air-cooling unit comprises a fan and a compressor connected to the fan, and the control method comprises the following steps: ...  
WO/2018/225263A1
This refrigeration apparatus is provided with: a refrigerant circuit that is for circulating a refrigerant and that is provide with a compressor, a condenser, a decompression device, and an evaporator, which are connected through refrige...  
WO/2018/225652A1
Provided is a refrigeration device with which, in cases where a jumper wire is used to change the state of a function of the refrigeration device, the state can easily be returned to the original state. A device is controlled such that a...  
WO/2018/225217A1
This sirocco fan is provided with: a fan casing having an intake opening for sucking in air, the fan casing also having a discharge opening for discharging the sucked-in air; and a fan contained within the fan casing and rotating to suck...  
WO/2018/225257A1
This equipment that uses a heat pump comprises a refrigerant circuit and a heat transfer medium circuit. The refrigerant circuit can execute a first operation in which a load-side heat exchanger functions as a condenser and a second oper...  
WO/2018/220758A1
This air-conditioning apparatus is provided with: at least one indoor unit which air-conditions a space to be air-conditioned; at least one outdoor unit which functions as a heat source; a refrigerant circuit in which the indoor unit and...  
WO/2018/221086A1
This control device (50) for a refrigerator of a refrigerator system (1) is provided with: a turbo refrigerator (11) provided with a compressor (60) rotated by a motor (72); an operation panel (20) for operating the turbo refrigerator (1...  
WO/2018/221875A1
An air conditioner and a method for controlling the same are disclosed. The air conditioner implements a multistage expansion scheme by implementing serial connection between electronic expansion valves including in the R410A refrigerant...  
WO/2018/216655A1
This compressor driving device 2 is provided with: a compressor driving circuit 9 that drives a compressor; a compressor-driving power supply circuit 8 that supplies power to the compressor driving circuit from an alternating current pow...  
WO/2018/216130A1
An air conditioner is provided which can provide operation information that contributes to effective protection of a product. This air conditioner, provided with an outdoor unit and an indoor unit, has a recording unit, and the recording...  
WO/2018/217904A1
A chiller system is provided and includes a chiller, a lubrication assembly and a controller. The chiller includes a compressor, a condenser, an expansion assembly and an evaporator in fluid communication with one another. The lubricatio...  
WO/2018/216957A2
A beverage maker according to an embodiment of the present invention may comprise: a base; a fermentation module which comprises a fermenter module having an opening part, and a fermentation lid for opening and closing the opening part, ...  
WO/2018/214755A1
Disclosed is a protection method for a heat pump compressor during an operation process, the method comprising a frequency conversion process protection method and an oil return control process protection method. The frequency conversion...  
WO/2018/216052A1
A unit device for a refrigeration cycle device constitutes a portion of a refrigerant circuit that uses a flammable or mildly flammable refrigerant and comprises a device body and a housing box. The housing box has a sensor to detect ref...  
WO/2018/216127A1
A storage device (84) of a system control device (80) stores grouping information that stipulates the relationship of a refrigerant sensor (50), a plurality of indoor units (20a, 20b), at least one outdoor unit (10a, 10b), and a pluralit...  
WO/2018/213243A1
Heat pump systems and methods of operating including a first unit having a first unit heat exchanger, a compressor, an accumulator, and a first unit expansion valve, a second unit fluidly connected to the first unit by piping, the second...  
WO/2018/211679A1
This power monitoring system is provided with: a thermal storage machine which has a thermal-storage-machine heat source machine and a thermal-storage-machine load-side device and which uses water as a heat medium; a non-thermal storage ...  
WO/2018/211199A1
The present invention relates to an indirect reversible air-conditioning circuit (1) comprising: • a first coolant loop (A) having: - a compressor (3), - an electronic expansion valve (7), - a first heat exchanger (9), - a tube apertur...  
WO/2018/208615A1
Systems and methods are provided and include a compressor for a refrigeration system and a duct assembly that includes a duct frame and a sensor unit. The duct frame provides a path for evaporating refrigerant from a lubricant sump of th...  
WO/2018/202496A1
A method for controlling suction pressure in a vapour compression system (1) comprising one or more cooling entities (5) is disclosed. For each cooling entity (5), a maximum required suction pressure and/or a required change in suction p...  
WO/2018/204218A1
A device under test cooling system has a refrigerant line and a fluid line extending through a plurality of successively arranged heat exchangers. A digital scroll compressor has an intake for providing the refrigerant mixture to the com...  
WO/2018/199682A1
The present invention relates to an outdoor unit and a method for controlling the same, the outdoor unit being connected to a refrigerating unit, and two compressors being connected in series to the outdoor unit. An outdoor unit accordin...  
WO/2018/199474A1
The present invention proposes an air conditioning system and a control method therefor. When a heating operation of an A2W indoor unit is performed, an A2A valve, which connects an outdoor unit and an A2A indoor unit, is closed to preve...  
WO/2018/198165A1
The purpose of the present invention is to provide a refrigerant-sensing device that can be used in a shared form even among devices having differing structures, and an indoor unit for an air conditioner in which the refrigerant-sensing ...  
WO/2018/198688A1
An indoor unit comprises: a heat exchanger (5) having a first heat exchange region (X) and a second heat exchange region (Y); and a pressure regulator (12) for regulating refrigerant pressure, the pressure regulator (12) being provided b...  
WO/2018/200706A1
Systems and methods for performing dynamic coefficient of performance calculations for refrigeration systems are provided. A controller calculates a weighted Carnot efficiency of a refrigeration case based on outdoor temperature data, re...  
WO/2018/193974A1
The heat cycle system according to the present invention uses a working medium containing trifluoro ethylene, and includes not only a compressor (20), a condenser (14), an expansion valve (15), and an evaporator (12), but also a circulat...  
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/2018/186106A1
This refrigerant leakage detection device (30) is applicable to a vapour compression-type refrigeration cycle device (20) which is mounted to a moving body (1), and provided with a circulation circuit (200) for a refrigerant. The refrige...  
WO/2018/185922A1
This air conditioner has: a plurality of load-side units provided with a plurality of load-side heat exchangers; a heat source-side unit provided with a compressor and a heat source-side heat exchanger which are connected to the pluralit...  
WO/2018/186105A1
This refrigerant leakage detection device (30) is provided with a refrigerant amount calculation unit (30a) which calculates a refrigerant amount (Ca) in a circulation circuit (200) on the basis of physical quantities including the tempe...  
WO/2018/187405A1
A power management method used for power distribution in a transportation refrigeration unit. The power management method includes calculating engine power according to engine operating parameters; calculating power generator real-time i...  
WO/2018/186686A1
Disclosed herein are a compressor driving apparatus and a refrigerator including the same. A compressor driving apparatus includes: a plurality of switching elements; an inverter for converting direct current (DC) power into alternating ...  

Matches 1 - 50 out of 14,468