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Patent Searching and Data


Matches 251 - 300 out of 8,693

Document Document Title
WO/2009/128487A1
A refrigerating apparatus in which a working refrigerant is brought into a supercritical state in at least a part of a refrigerating cycle and a compression work can be reduced while refrigerator oil is prevented from being exhausted. A ...  
WO/2009/113279A1
In a freezing apparatus equipped with a compression mechanism having a plurality of compressors, oil separators (37a) and (37b) are installed on the discharge pipe (56a) of the first compressor (14a) and the discharge pipe (56b) of the s...  
WO/2009/109036A1
In accordance with the present disclosure there is provided an efficient refrigeration system for cooling an environment using ammonia and sodium thiocyanate using a low grade heat source. The refrigeration system comprises a condenser f...  
WO/2009/107615A1
An air conditioner which can appropriately determine the amount of refrigerant without requiring much time even if there is a liquid refrigerant accumulated in an accumulator when the determination is performed. An air conditioner (1) ha...  
WO/2009/105601A1
A coaxial economizer (40) for use in a chiller system (20) comprising an inner housing (184) and an outer housing (186) having a common longitudinal axis. The outer housing has an inlet for receiving a fluid from a upstream compressor st...  
WO/2009/098862A1
A refrigeration circuit (11) has an oil separator (60) for separating oil from a high-pressure refrigerant and also has an oil supply circuit (70) for supplying the oil, separated by the oil separator (60), to a compression mechanism (20...  
WO/2009/098863A1
A refrigeration circuit (11) has an oil separator (60) for separating oil from a high-pressure refrigerant and also has a recovery mechanism (40) for recovering energy of the separated oil. Power recovered by the recovery mechanism (40) ...  
WO/2009/096193A1
Disclosed is an economizer (24) that is provided in a multistage compression refrigeration system with a refrigerant circuit in which a multistage compressor, a condenser, a multistage expansion mechanism and an evaporator are successive...  
WO/2009/090067A2
The invention relates to a device for removing a first gas from a system (2) having a second different gas, comprising a collecting container (10) for collecting the first gas, the collecting container (10) having a variable inlet openin...  
WO/2009/090067A3
The invention relates to a device for removing a first gas from a system (2) having a second different gas, comprising a collecting container (10) for collecting the first gas, the collecting container (10) having a variable inlet openin...  
WO/2009/084532A1
An air conditioner for a vehicle comprises an air-conditioning unit (1) which is equipped with an evaporator (3), a refrigeration cycle (30) which includes the evaporator (3) and in which a refrigerant circulates in the order of a compre...  
WO/2009/072379A1
A refrigerant circuit of a supercritical cycle in which carbon dioxide is used as a refrigerant and which can hold a surplus refrigerant amount. The refrigerant circuit (10) of a refrigerating cycle in which carbon dioxide is used as a r...  
WO/2009/069604A1
An air conditioner (1) using carbon dioxide as the refrigerant has a two-stage compression type compression mechanism (2), a heat source-side heat exchanger (4), an expansion mechanism (5), a utilization-side heat exchanger (6), an inter...  
WO/2009/066738A1
A condenser having two deaeration chambers separated by cooling water, wherein both the deaeration chambers are prevented from communicating with each other even if the pressure difference between the deaeration chambers increases. The c...  
WO/2009/066736A1
A compressor having extended service life. An evaporator has a housing having a suction opening capable of being connected to a suction section of a compressor and evaporates at least a part of droplet-like or mist-like working liquid in...  
WO/2009/061268A1
Liquid separator (2), designed as a U-shaped pipe (5) and arranged essentially horizontally, for a plate heat exchanger evaporator (1) system for separation of liquid droplets from vapour transported from the evaporator to the separator.  
WO/2009/054235A1
An accumulator for supercritical refrigeration cycle in which a liquid refrigerant storage space can be secured sufficiently in the lower layer within the main body and the number of components constituting a drying material layer can be...  
WO/2009/054571A1
An air conditioner includes a plurality of compressors, a plurality of oil separators, a plurality of oil collection pipes, a common inlet pipe, and a plurality of branch inlet pipes. The oil separators are connected to outlets of the co...  
WO/2009/046765A1
A home refrigerator (1) having two refrigeration compartments (3, 4), and a heat-pump cooling circuit (7) for maintaining two predetermined reference temperatures in the two compartments (3, 4); the cooling circuit (7) having a first (10...  
WO/2009/009728A3
An oil separator for use in separating oil from refrigerant gas in a chiller system is provided. Its operation is based on centrifugal separation principles and does not require the use any type of filter or media pack to remove oil from...  
WO/2009/009728A2
An oil separator for use in separating oil from refrigerant gas in a chiller system is provided. Its operation is based on centrifugal separation principles and does not require the use any type of filter or media pack to remove oil from...  
WO/2009/001701A1
A gas-liquid separator adapted for handling gas-liquid mixture flow, in which inlet piping and outlet piping are installed on a container in order to improve separation efficiency of the separator. An exit end of the inlet piping is clos...  
WO/2008/140525A1
A reversible cooling/heating system (20) has an in-line accumulator/dryer unit (74). The accumulator/dryer unit has a body having first and second ports (76, 78). A foraminate conduit (82) is positioned at least partially within the body...  
WO/2008/124637A2
A chiller including a condenser having a refrigerant-storage vessel in fluid communication with a multichannel heat exchanger is disclosed. The chiller further includes a compressor, an evaporator and an expansion device connected in a r...  
WO/2008/124637A3
A chiller including a condenser having a refrigerant-storage vessel in fluid communication with a multichannel heat exchanger is disclosed. The chiller further includes a compressor, an evaporator and an expansion device connected in a r...  
WO/2008/122483A2
The invention relates to a method for producing a refrigeration device with a refrigerated interior, delimited by an inner shell (7, 8), said device comprising an outer shell (4, 5, 6) and a space between the inner shell (7, 8) and the o...  
WO/2008/117511A1
An opening/closing valve (70) is provided in an oil feed pipe (43). When a liquid refrigerant enters from an oil separator (22) into the oil feed pipe (43), the temperature of the liquid refrigerant depressurized by the opening/closing v...  
WO/2008/112593A1
A lubrication return system for use in a closed refrigeration loop including a compressor, a condenser, an expansion device and an evaporator, with a refrigerant being circulated in the closed loop. The evaporator has a mixture of liquid...  
WO/2008/112594A3
A vapor compression system having an evaporator with a receiver for receiving liquid refrigerant and lubricant from the expansion device. At least one flow path with at least one valve receives liquid refrigerant entrained with lubricant...  
WO/2008/112594A2
A vapor compression system having an evaporator with a receiver for receiving liquid refrigerant and lubricant from the expansion device. At least one flow path with at least one valve receives liquid refrigerant entrained with lubricant...  
WO/2008/108055A1
A compressor (20) and an expander (30) are installed in the refrigerant circuit (11) of an air conditioner (10). In the compressor (20), the refrigerant compressed by a compressing mechanism (21) is discharged into the internal space of ...  
WO/2008/104176A1
In conventional dryer/filter capsules for refrigerant circuits, flow passes serially through the filter and drying agent. On operation of the refrigerant circuit, an undesirably large pressure drop occurs. The aim of the invention is to ...  
WO/2008/102454A1
A demister oil separator comprising a casing; fluid inlet pipe (5) provided so as to pass through the casing; fluid outlet pipe (6) provided so as to pass through the casing above the fluid inlet pipe (5); and mesh demister member (10) a...  
WO/2008/096654A1
A compressor incorporating an oil separator having a separation chamber and communication holes. The separation chamber is placed adjacent to the discharge chamber, has a space formed in the entire inside of the separation chamber, separ...  
WO/2008/090926A1
An air conditioner in which, when a value calculated in heating operation by an oil amount calculation section (51) is more than or equal to a predetermined value, a frequency control section (52) of a controller (50) increases the frequ...  
WO/2008/087908A1
In defrosting operation, first individual defrosting operation wherein a first cooling heat exchanger (102) is defrosted, and second individual defrosting operation wherein a second cooling heat exchanger (112) is defrosted are alternate...  
WO2008046951B1
The invention relates to an apparatus and a method for separating droplets from vaporized refrigerant. The droplet separator according to the invention has a separation vessel (1), where the droplets gravitationally separate from the vap...  
WO/2008/084384A3
An accumulator (10) for an automotive refrigeration system comprises a tubular casing element (11) adapted to accommodate a pipes assembly (40,60) within which the refrigerant flows, the accumulator being provided with a bottom (12) whic...  
WO/2008/084384A2
An accumulator (10) for an automotive refrigeration system comprises a tubular casing element (11) adapted to accommodate a pipes assembly (40,60) within which the refrigerant flows, the accumulator being provided with a bottom (12) whic...  
WO/2008/081273A3
Refrigerating plant comprising a coolant fluid, a compressor (1), A condenser (3), an expansion valve (5), an evaporator (6), a collecting receptacle (s) for collecting said coolant fluid, and controlling means (14, 15) for piloting said...  
WO/2008/081273A2
Refrigerating plant comprising a coolant fluid, a compressor (1), A condenser (3), an expansion valve (5), an evaporator (6), a collecting receptacle (s) for collecting said coolant fluid, and controlling means (14, 15) for piloting said...  
WO/2008/075500A1
A refrigerating apparatus is provided with a refrigerant circuit (20), which has a compressor (21) and an oil separator (22) connected to the jetting side of the compressor (21), and performs vapor compression refrigerant cycle by circul...  
WO/2008/069092A1
An oil container (32), into which separated refrigeration machine oil flows and is contained, is connected to an oil separator (22). An oil outlet pipe (35), in which the refrigeration machine oil in the oil container (32) flows, is conn...  
WO/2008/061074A2
A method for removing iodine from heat transfer compositions which contain a hydrofluoroalkene, an iodocarbon, and iodine. Iodine from such heat transfer compositions by contacting the composition with activated carbon.  
WO/2008/061074A3
A method for removing iodine from heat transfer compositions which contain a hydrofluoroalkene, an iodocarbon, and iodine. Iodine from such heat transfer compositions by contacting the composition with activated carbon.  
WO/2008/046951A3
The invention relates to an apparatus and a method for separating droplets from vaporized refrigerant. The droplet separator according to the invention has a separation vessel (1), where the droplets gravitationally separate from the vap...  
WO/2008/046951A2
The invention relates to an apparatus and a method for separating droplets from vaporized refrigerant. The droplet separator according to the invention has a separation vessel (1), where the droplets gravitationally separate from the vap...  
WO/2008/044807A2
The present invention relates to an air conditioner and a method for controlling the same for stable operation of a cycle. For this, present invention provides an air conditioner including a plurality of compressors (83, 84) operated con...  
WO/2008/045086A1
A refrigeration circuit having a system charge and a system charge storage area. The system charge area has a condenser having a set of micro-channel heat exchanger coils. The condenser is appropriately sized to receive a first volume of...  
WO/2008/042667A3
A pressurized internal oil management system, comprising an oil dam, at least one oil separator, at least one oil collection manifold, at least one oil pump, and one or more paths for returning the separated oil; said system integrated w...  

Matches 251 - 300 out of 8,693