Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,400

Document Document Title
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/2017/018497A1
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...  
WO/2017/010007A1
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...  
WO2017010294A1
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...  
WO/2017/006474A1
This refrigeration cycle device is equipped with: a refrigeration circuit which includes a compressor, a condenser, a throttle device, and an evaporator; a control unit which controls the refrigeration circuit; and an abnormality determi...  
WO/2017/006452A1
In order to ensure the oil concentration in a compressor under circumstances where thermo-off conditions are met, this air-conditioning device is equipped with: a refrigerant circuit which is configured by a compressor, an indoor heat ex...  
WO/2017/002377A1
This refrigeration cycle device comprises: a refrigerant circuit including a compressor, a load-side heat exchanger, a high-pressure-side flow path of an internal heat exchanger, an expansion device, and a heat-source-side heat exchanger...  
WO/2017/002238A1
This refrigeration cycle device comprises: a refrigerant circuit including a compressor, a load-side heat exchanger, a high-pressure-side flow path of an internal heat exchanger, an expansion device, and a heat-source-side heat exchanger...  
WO/2017/004406A1
A system and 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 operatio...  
WO/2017/001886A1
A heat exchanger, such as for example, a condenser coil constructed as a fin and microchannel tube is fluidly connected with a volume constructed and configured to store refrigerant in certain operations, such as for example during a pum...  
WO/2017/002213A1
Provided is a refrigerant leakage detection device whereby the implementation of inspections can be confirmed. The refrigerant leakage detection device comprises: a detection circuit that detects output from a refrigerant sensor; a contr...  
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/2017/002216A1
Provided is a highly reliable refrigerant leak detection device. The refrigerant leak detection device comprises: a plurality of detection circuits that detect outputs from a refrigerant sensor; and a control means that, on the basis of ...  
WO/2017/002215A1
Provided is a refrigerant leak detection system whereby the location, etc., of refrigerant leaks can be readily grasped. The refrigerant leak detection system comprises: a plurality of refrigerant sensors arranged at different locations;...  
WO/2017/002214A1
Provided is a refrigeration cycle system comprising a plurality of indoor units which are installed indoors, a plurality of refrigerant leakage detection devices which are also installed indoors, and a control device. When a refrigerant ...  
WO/2016/208470A1
As shut-off valve inspection processes for checking operations of a liquid side shut-off valve (7, 7a, 7b) and a gas side shut-off valve (8, 8a, 8b), this air conditioning system (1): operates a compressor (21) in an air cooling cycle st...  
WO/2016/207992A1
This air conditioner has: a reference setting unit that sets, as a reference value, an index relating to the liquid phase temperature at a time when refrigerant quantity determining mode is performed at first; and a refrigerant quantity ...  
WO/2016/208008A1
This heat source apparatus including: a compressor; an air heat exchanger; a load-side heat exchanger that performs heat exchange between a refrigerant and a heat medium flowing through a load; and a main expansion valve connected betwee...  
WO/2016/208268A1
This refrigeration cycle apparatus (10) is provided with: a fill level determination unit (50b) that executes a fill level determination process for determining whether or not the apparatus is in a refrigerant shortage state; a compresso...  
WO/2016/205685A1
An ice maker includes an ice making unit comprising an evaporator connected to a refrigeration system, an ice holding bin, a sump, a pump, a drain valve, an ozonated water source, and a controller. The controller activates the ozonated w...  
WO/2016/203827A1
The refrigerator according to an embodiment has a compressor, a condenser, a main pipe, a bypass pipe, an opening and closing mechanism, a temperature measuring unit, and a control unit. The main pipe has a first end and a second end. Th...  
WO/2016/202486A1
The invention relates to a cooling shelf (1) having at least one unit composed of a plurality of wall groups, namely a base group (11), a rear wall group (12) and a top group (13), which delimit a cooling space (4) from below, the rear a...  
WO/2016/198258A1
A method for operating a vapour compression system (1) comprising a heat recovery heat exchanger (4) is disclosed. The heat recovery system requests a required level of recovered heat to be provided by the heat recovery heat exchanger (4...  
WO/2016/198084A1
Described are, among other things, a refrigerator apparatus comprising a compressor, a condenser and an evaporator, the refrigerator apparatus further comprising a valve interconnected in the flow from the condenser to the evaporator. Th...  
WO/2016/201172A1
A cooling system has both pumped refrigerant economization and direct expansion cooling. When outside air temperature is low enough that pumped refrigerant economization can provide enough cooling to satisfy cooling demand, only pumped r...  
WO/2016/199396A1
A refrigeration cycle device is equipped with a refrigeration cycle circuit wherein a compressor (102), an indoor heat exchanger (103), an expansion valve (104), and an outdoor heat exchanger (105) are connected. In addition, an operatin...  

Matches 1 - 50 out of 13,400