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Patent Searching and Data


Matches 701 - 750 out of 49,233

Document Document Title
WO/2017/199167A1
The invention relates to a refrigeration plant with multiple evaporation levels, operating according to a vapour compression cycle and comprising a circuit 2 having a high-pressure branch HP, wherein is arranged at least one heat exchang...  
WO/2017/199382A1
A refrigerating device comprises: a refrigerant main circuit that comprises a compressor, a condenser, a high-pressure side channel for a super-cooling heat exchanger, a primary pressure reducing device, and an evaporator; an refrigerant...  
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/2017/199808A1
Provided is a refrigeration cycle device that enables prompt processing after the occurrence of refrigerant leakage. In this refrigeration cycle device, when a refrigerant is detected by a refrigerant detection means, a notification mean...  
WO/2017/199683A1
The purpose of the present invention is to allow the easy use of a plurality of indoor units by matching the type of refrigerant corresponding thereto. A multi-type air conditioner (1) comprises: an outdoor control unit (53) which is pro...  
WO/2017/199391A1
This refrigerating device comprises: a refrigerant circuit in which a refrigerant is circulated in a compressor, a heat source-side heat exchanger, a super-cooling heat exchanger, a load-side expansion device, and a load-side heat exchan...  
WO/2017/200916A1
A turbo economizer (26) adapted to be used in a chiller system (10) includes a nozzle (62), a turbine (64), and an economizer impeller (66). The nozzle (62) introduces refrigerant into the turbo economizer (26). The turbine (64) is dispo...  
WO/2017/195248A1
This refrigeration device has a refrigerant circuit, injection circuit, inlet temperature sensor, outlet temperature sensor, and control device that controls operations of the refrigerant circuit. The control device is provided with: an ...  
WO/2017/194035A1
A method for increasing refrigeration or heat pump system efficiency. The refrigeration or heat pump system includes a refrigeration circuit, and the refrigeration circuit implements a user refrigeration cycle. The method is: A) arrangin...  
WO/2017/195397A1
The purpose of the present invention is to permanently and reliably suppress generation of copper plating in a compressor used for an air conditioner. This air conditioner is provided with a refrigerant circuit that includes a compressor...  
WO/2017/195275A1
This heat pump system is provided with: a first piping for sequentially connecting a low temperature heating-side refrigerant circuit; a high temperature heating-side refrigerant circuit, a low temperature-side liquid supply port, a low ...  
WO/2017/192302A1
A refrigerated transport system (20) comprises: an engine (30). A vapor compression system (50) comprises: a compressor (40) for compressing a flow of a refrigerant; a first heat exchanger (60) along a refrigerant flowpath (52) of the re...  
WO/2017/191814A1
A sensing means for sensing a leakage of a refrigerant from a refrigeration cycle is provided. When the sensing means senses a leakage of the refrigerant, a refrigerant recovery operation is performed to recover the refrigerant in the re...  
WO/2017/186554A1
A heat transferring arrangement (100) is disclosed, comprising a container (110) having therein a heat absorbing chamber (116) and a heat dissipating chamber (117). Embodiments of the heat transferring arrangement (100) are based on a va...  
WO/2017/187932A1
A decompression device that is to be applied to a vapor-compression refrigeration cycle device (10, 10a) that circulates a refrigerant into which a refrigerating machine oil has been mixed. The decompression device comprises a main body ...  
WO/2017/185517A1
A cooling and heating air conditioner (100), cooling-only air conditioner (100), and control method for an air conditioner. The cooling and heating air conditioner (100) comprises: a two-cylinder compressor (1), a reversing assembly (2),...  
WO/2017/185513A1
A cooling-heating type air conditioner (100), a cooling-only type air conditioner (100), and a control method for an air conditioner (100). The cooling-heating type air conditioner (100) comprises a two-cylinder compressor (1), a reversi...  
WO/2017/187536A1
An electric motor drive device according to the present invention is an electric motor drive device that is used for driving an electric motor, said electric motor being used in a compressor that compresses a coolant, wherein the electri...  
WO/2017/187542A1
The present invention is provided with: the same number of inverter modules 6-8 as the number of phases of an electric motor; and an inverter control unit 4 which generates pulse width modulation (PWM) signals for driving the inverter mo...  
WO/2017/187576A1
This motor drive device is provided with: the same number of inverter modules as the number of phases of a motor 15; and a control unit 5 which generates pulse width modulation (PWM) signals for driving the inverter modules 2, 3, 4 by wa...  
WO/2017/185515A1
Disclosed are a cooling and heating air conditioner (100), a cooling air conditioner (100) and a controlling method for the air conditioner (100). The cooling and heating air conditioner (100) comprises: a double-cylinder compressor (1),...  
WO/2017/187476A1
This air conditioner has a refrigeration cycle which is configured by a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger being sequentially connected. This air conditioner comprises: an indoor tempe...  
WO/2017/187655A1
In the present invention, during normal operation, a switch is made to a coolant circuit in which heat of a high-pressure coolant that has flowed out from an indoor radiator (12) is made to be stored in a heat storage member (17), and, w...  
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/2017/183070A1
This air-conditioning device has a control device that controls a refrigerant circuit and a temperature detection device that detects temperature information showing the temperature of the refrigerant circuit. The control device determin...  
WO/2017/157924A3
Disclosed is a heat pump apparatus (1) for cooling a first heat exchange medium (2) in heat exchange with a working fluid (4) circulating in a closed circuit, and heating a second heat exchange medium (3) in heat exchange with said worki...  
WO/2017/183179A1
This electric motor drive device comprises: a compressor motor power conversion device that supplies power to a compressor motor; a fan motor power conversion device that supplies power to a fan motor; a booster device that applies boost...  
WO/2017/183068A1
This refrigeration cycle device is provided with a refrigerant circuit, a control device, a heat source unit for accommodating a compressor and a heat-source-side heat exchanger, and a load unit for accommodating a load-side heat exchang...  
WO/2017/183234A1
A fan drive circuit 1 for a heat pump device blows, from a blowout port using a fan, the air that has undergone heat exchange through a heat exchanger which uses a mildly-flammable or flammable refrigerant having a greater specific gravi...  
WO/2017/183588A1
[Problem] The present disclosure relates to a vehicle air-conditioning device provided with an internal heat exchanger, and the purpose thereof is to provide a vehicle air-conditioning device capable of maintaining a high coefficient of ...  
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/2017/179083A1
A thermal machine with reverse cycle and steam compression and its operating method are described; the machine comprises: a condenser (2) downstream of and in fluid communication with a main compressor (6); a main lamination valve (9) do...  
WO/2017/179210A1
The purpose of the invention is to determine a refrigerant insufficiency by way of small insufficiencies in the amount of refrigerant and the amount of leakage and to reduce the time to determine the refrigerant insufficiency. Provided i...  
WO/2017/179630A1
The present invention maintains a compact evaporator size in a turbo-refrigerating apparatus utilizing a low pressure refrigerant used at a maximum pressure of less than 0.2 MPaG while avoiding efficiency losses and equipment damage that...  
WO/2017/179594A1
The present invention suppresses generation of noise in an electromagnetic valve (30) provided on the inlet side of a radiator (4) and improves durability. A second operation mode is executed that causes refrigerant discharged from a com...  
WO/2017/179631A1
The present invention makes it possible in a turbo-refrigerating apparatus utilizing a low pressure refrigerant used at a maximum pressure of less than 0.2 MPaG to effectively extract, in high concentration, non-condensible gas that has ...  
WO/2017/179192A1
An air conditioner equipped with: a refrigerant circuit formed by connecting a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger by means of refrigerant piping; a room temperature sensor that detects...  
WO/2017/179088A1
Provided is a refrigerating device in which a refrigerant circuit is formed by coupling a compressor, a condenser, an expansion valve, and an evaporator with a refrigerant pipe, wherein the refrigerating device has: a temperature mainten...  
WO/2017/179596A1
Provided is a vehicle air conditioning device capable of suppressing the occurrence of noise and fluid return to a compressor caused by sudden boiling inside an accumulator. The vehicle air conditioning device executes: a heating mode in...  
WO/2017/177287A2
Method for protecting an electric motor of a motor driven consumer equipped with a controller for controlling the capacity or the power of the consumer, characterised in that the method comprises the following steps: - the determination ...  
WO/2017/179597A1
Provided is a vehicle air conditioner such that liquid returning to a compressor and noise generation due to bumping in an accumulator can be suppressed. This vehicle air conditioner executes a heating mode and a dehumidifying and heatin...  
WO/2017/175798A1
The present invention includes a metallic member (45) comprising: a metallic member main body (51); a pair of opening sections (52, 54) provided in the metallic member main body (51) in a state exposed from an outer surface (51a) of the ...  
WO/2017/175728A1
An integrated valve device 6 is provided with: a valve body 7 in which a flow passage to a compressor is formed for passing a refrigerant flowing to the compressor configuring a refrigeration cycle; and a valve 63 to a compressor, the va...  
WO/2017/175727A1
An integrated valve device 6 is provided with a valve body 7 for which a flow channel going to a compressor through which coolant flowing from a liquid storage container 36 to a compressor 31 flows is formed; and a valve 63 having a valv...  
WO/2017/175299A1
A refrigeration cycle device comprises: a refrigerant storage means having a refrigerant inlet which is connected between a first heat exchanger and a pressure reduction device and also having a refrigerant outlet connected between a sec...  
WO/2017/175723A1
A heat exchanger 2 is provided with: a reservoir 5 for separating a gas/liquid two-phase refrigerant into a gas phase refrigerant and a liquid phase refrigerant and storing the liquid phase refrigerant; a liquid phase flow path that caus...  
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/2017/175273A1
A protective device (50) for a compressor, provided with: a high pressure switch (5) for detecting a high-pressure abnormality in a refrigerant circuit; an auxiliary switch (7) for supplying a power supply signal when a high-pressure abn...  
WO/2017/170009A1
This cooling apparatus (1000) for cooling the heat of a heat-emitting body comprises an evaporator (10) and a condenser (40A). The evaporator (10), upon receiving heat from the heat-emitting body (N), causes liquid-phase refrigerant mixt...  
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 ...  

Matches 701 - 750 out of 49,233