Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,481

Document Document Title
WO/2017/067543A1
The invention relates to a method for operating a refrigeration circuit with a sublimator (1) for carbon dioxide as a coolant and to a device for carrying out said method.  
WO/2017/067858A1
A method for controlling a vapour compression system (1) is disclosed, the vapour compression system (1) comprising at least one expansion device (8) and at least one evaporator (9). For each expansion device (8), an opening degree of th...  
WO/2017/067863A1
A method for controlling a vapour compression system (1) is disclosed. The vapour compression system (1) comprises an ejector (6) and a liquid separating device (10) arranged in a suction line. At least one evaporator (9) is allowed to b...  
WO/2017/067860A1
A method for controlling a vapour compression system (1) comprising an ejector (6) is disclosed. In the case that a pressure difference between a pressure prevailing in the receiver (7) and a pressure of refrigerant leaving the evaporato...  
WO/2017/068686A1
This refrigeration cycle device is equipped with: a refrigerant circuit, which is provided with a compressor, a condenser, a depressurizing device, and an evaporator, and in which a flammable refrigerant is circulated; a leakage speed es...  
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/2017/066575A1
A vapor compression system (20) comprises: a compressor (24) having a suction port (26) and a discharge port (28); a refrigerant flowpath (33) from the discharge port and returning to the suction port; a first heat exchanger (30) along t...  
WO/2017/065367A1
The present invention relates to an air conditioning device having a plurality of ejectors, the air conditioning device comprising: a plurality of ejectors which have a refrigerant circuit comprising a compressor, a condenser and an evap...  
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...  
WO/2017/061357A1
A sealing glass according to the present invention is characterized by having a glass composition that comprises, in mol%, 60-75% of SiO2, 0-5.9% of B2O3, 12.7-20% of Li2O+Na2O+K2O, 11.5-20% of Li2O+Na2O, and 2-9% of MgO+CaO+SrO+BaO, and...  
WO/2017/057377A1
Provided is a refrigerant leakage spot specifying method that is capable of, while suppressing an increase in cost, specifying a refrigerant leakage spot when leakage of a refrigerant occurs. The refrigerant leakage spot specifying metho...  
WO/2017/056394A1
Provided is a refrigeration device (10) having a refrigerant circuit (20) in which a flammable refrigerant is used, wherein there is provided a defrosting control unit (91) for performing a first control for gradually increasing the high...  
WO/2017/059211A1
A centrifugal compressor for a chiller (10) includes a casing (30), an inlet guide vane (32), an impeller (34) downstream of the inlet guide vane (32), at least one radial magnetic bearing (44, 46), a magnetic bearing sensor (54, 56), a ...  
WO/2017/057711A1
In the present invention, a control unit (8) is configured to control the degree of opening of an expansion mechanism (51) during a refrigeration-cycle operation, and performs expansion mechanism suitability determination as to whether t...  
WO/2017/056214A1
The purpose of the present invention is to provide an air conditioner which ensures safety against refrigerant leakage. This air-conditioner is provided with: a refrigerant circuit which internally circulates a refrigerant and which comp...  
WO/2017/056789A1
The purpose of the invention is to improve the safety of a refrigerating device comprising a plurality of utilization units. A refrigerating device (100) comprises: a refrigerant circuit (RC) that comprises a heat source unit (10) compri...  
WO/2017/057861A2
The present invention relates to an air conditioning system. The present invention relates to an air conditioning system comprising one or more over-cooling heat exchangers, an over-cooling expansion device, a temperature sensor, and a p...  
WO/2017/059172A1
In order to permit use of a refrigerator by observant Jews during Holiday times, Normal and Holiday modes are established. During Holiday mode, repetitive fixed frequency and fixed duty cycle time cycles are established, each time cycle ...  
WO/2017/057003A1
This water heat exchanger accommodation unit comprises a cold/hot water supply unit (200) provided with: a water heat exchanger (201) through which a flammable refrigerant flows; a casing (231) in which the water heat exchanger (201) is ...  
WO/2017/050073A1
A water chiller-heater unit of an air cooled heat pump and a defrosting control method therefor. The water chiller-heater unit of the air cooled heat pump comprises a first heating water system and a second heating water system. A first ...  
WO/2017/053596A1
A system and method of controlling an oil flow within a refrigeration system, the system including a compressor, an expansion device in flow communication with the compressor, and an electronic controller in communication with the expans...  
WO/2017/049258A1
A system and method of freeze protection for a chiller including a metering device in flow communication with a condenser, a controller in electrical communication with the metering device, wherein the controller is configured to determi...  
WO/2017/047633A1
A refrigeration system according to an embodiment of the present invention comprises: a plurality of cryogenic refrigerators that generate cold air by causing refrigerant gas to expand within an expansion space formed within a cylinder w...  
WO/2017/043286A1
This heat exchanger is provided with: a channel layer laminate formed by alternately stacking a plurality of high-temperature channel layers in which a channel for a high-temperature fluid is provided and a plurality of low-temperature c...  
WO/2017/043285A1
The present invention forms a core region, in which the speed and the temperature of an operation fluid are substantially constant, on the downstream side of a flow-streamlining ring, by arranging the flow-streamlining ring in a high-tem...  
WO/2017/042859A1
A first detection value I1, which is the value of the compressor current at the point in time when a first time has elapsed since the start-up of the compressor, is acquired (step S6). A second detection value I2, which is the value of t...  
WO/2017/042542A2
A responsive load system with improved responsiveness through reducing or eliminating the impact of dead times of thermal loads is disclosed. The responsive load system comprises at least a first and a second thermal load controlled by m...  
WO/2017/042649A1
A refrigeration cycle device, provided with: a compressor (14); a condenser (11); an evaporator (21); a pressure reducer (23); a subcooler (16) performing subcooling on a refrigerant passing through the condenser (11); a subcooling degre...  
WO/2017/037841A1
A refrigeration cycle apparatus has: a coolant circuit for circulating coolant; a heat source unit accommodating a heat-source-side heat exchanger of the coolant circuit; an indoor unit positioned indoors and accommodating a load-side he...  
WO/2017/038232A1
This refrigerating machine is equipped with: a turbocompressor which compresses a refrigerant; a condenser which is equipped with one or more pipe groups (31) configured from a plurality of heat transfer pipes (30) through which cooling ...  
WO/2017/037747A1
Method for controlling defrosting of the outer exchanger of a heat pump machine, comprising the steps of: defining in the outer air temperature/evaporation temperature plane three zones; acquiring the outer air temperature and the evapor...  
WO/2017/032630A1
The invention relates to a domestic refrigeration appliance (1) and to a method for operating a domestic refrigeration appliance (1). The domestic refrigeration appliance (1) comprises a heat-insulated basic body (10) with a coolable inn...  
WO/2017/033240A1
Provided are: a data acquisition system whereby the quantity of data to be acquired from a refrigeration cycle device can be reduced; an abnormality detection system; a refrigeration cycle device that is provided with the systems; a data...  
WO/2017/029534A1
A heat pump system includes a compressor, indoor heat exchanger, outdoor heat exchanger, and expansion valve. A main flow control device fluidly couples a discharge line to the outdoor heat exchanger when the heat pump system is in a coo...  
WO/2017/029011A1
A vapour compression system (1) comprising at least two evaporator groups (5a, 5b, 5c), each evaporator group (5a, 5b, 5c) comprising an ejector unit (7a, 7b, 7c), at least one evaporator (9a, 9b, 9c) and a flow control device (8a, 8b, 8...  
WO/2017/026014A1
A refrigeration cycle device has: a refrigerant circuit for circulating a refrigerant; an indoor device for accommodating a load-side heat exchanger of the refrigerant circuit, the indoor device being disposed indoors; and a control unit...  
WO/2017/026147A1
A refrigeration cycle device has a refrigerant circuit for circulating a refrigerant, a heat exchanger unit for accommodating a heat exchanger of the refrigerant circuit, and a control unit for controlling the heat exchanger unit. The he...  
WO/2017/026736A1
The present invention relates to a heat pump using a cascade cycle, comprising: a low-stage refrigeration cycle in which a first refrigerant circulates along a first circuit comprising a first compressor, a first heat exchanger, a first ...  
WO/2017/023958A1
A method of operating a refrigeration system is provided. The method includes activating an evaporator heater (306), monitoring a pressure differential within the refrigeration system (308), when the pressure differential reaches a prede...  
WO/2017/024133A1
A chiller plant including at least two chillers operating at different temperatures are disclosed. Process fluid circuits of the chillers can form fluid communication when, for example, one or more of the at least two chillers may fail, ...  
WO/2017/022930A1
A refrigerator according to an embodiment of the present invention includes a power input part through which power is input from a UPS device connected to a commercial power source and an auxiliary power source; a voltage sensor configur...  
WO/2017/022642A1
This determination device is provided with a refrigerant circuit (3), an operation determination unit (161A), and a refrigerant determination unit (161B). The refrigerant circuit (3) is formed by a compressor (11), condensers (13, 21A, 2...  
WO/2017/017088A3
Disclosed is a refrigeration system comprising a refrigerant circuit (10), a heat exchanger (34), an expansion member (38) which, in the active state, expands the entire mass flow (G) of the refrigerant, in said process generating a main...  
WO/2017/018497A1
A multi-zone vapor compression system (MZ-VCS) includes a compressor connected to a set of heat exchangers controlling environments in a set of zones, a supervisory controller determining a set of control inputs for controlling a vapor c...  
WO/2017/013715A1
The present invention is provided with: a casing forming an inlet, an outlet, and an air duct from the inlet to the outlet; a plate-shaped airstream-direction-adjusting member provided at the outlet of the casing so as to change the dire...  
WO2017010007A1
An air conditioner is provided with: a refrigeration cycle circuit for circulating a refrigerant through pipelines connecting a compressor, a heat-source-side heat exchanger that is divided into a plurality of regions for performing heat...  
WO/2017/010294A1
Provided is an air conditioning machine capable of inhibiting a refrigerant, which is recovered in an outdoor heat exchanger after a pump-down operation has ended, from counter-flowing in a refrigerant circuit from a discharge hole of a ...  
WO/2017/006611A1
Provided is a refrigeration cycle device comprising a refrigerant circuit that circulates a refrigerant, a heat exchanger unit for accommodating a heat exchanger of the refrigerant circuit, and a control unit for controlling the heat exc...  
WO/2017/006462A1
Provided is an air conditioner comprising a refrigerant circuit that circulates a refrigerant, an indoor unit that is installed indoors and that accommodates a load-side heat exchanger of the refrigerant circuit, and a control unit for c...  
WO/2017/006126A1
We describe a combined heating and cooling system, the system comprising: a working fluid circuit comprising a compressor (214), a gas cooler (222) and an evaporator (102); a heating circuit, thermally coupled to said working fluid circu...  

Matches 1 - 50 out of 13,481