Patents for F25B 31 - Compressor arrangements (3,736)
04/2001
04/25/2001EP1094100A1 Refrigerant composition, closed electric compressor, and refrigerator
04/25/2001CA2323941A1 Heat pump installation for cooling
04/24/2001US6220044 Refrigerating apparatus, refrigerator, air-cooled type condenser unit for refrigerating apparatus and compressor unit
04/17/2001US6216476 Apparatus having refrigeration cycle
04/17/2001US6216474 Part load performance of variable speed screw compressor
04/10/2001CA2111196C Ammonia refrigerating machine, working fluid composition for use in refrigerating machine, and method for lubricating ammonia refrigerating machine
04/04/2001CN1289896A Improvement of partial load performance of speed variable helical-lobe compressor
04/04/2001CN1289895A Lubricating system of helical-lobe compressor for oil distiller
04/04/2001CN1064070C Drying agent for mixing into hydroxide-carbon cyclic refrigerating composition
03/2001
03/28/2001EP1087190A1 Lubrication system for screw compressors using an oil still
03/28/2001EP1087185A1 Improved part load performance of variable speed screw compressor
03/27/2001US6205808 Prevention of oil backflow from a screw compressor in a refrigeration chiller
03/22/2001WO2000065232A3 Coolant compressor system
03/21/2001EP1085277A2 Ammonia refrigerator
03/20/2001US6202437 Suction accumulator pre-charged with oil
03/20/2001US6202428 Air conditioner
03/15/2001WO2001018461A1 Prevention of oil backflow from a screw compressor in a refrigeration chiller
03/08/2001WO2001016485A1 Closed motor-driven compressor
03/06/2001US6196010 Temperature control zone for compressor/condenser air intake
03/01/2001DE10040770A1 Cooling circuit has hermetically sealed electric compressor for sucking and compressing coolant, electric motor, cooler, pressure reduction unit and accumulator
02/2001
02/28/2001EP1078208A1 Method and device for producing cold
02/20/2001US6189335 Multi-stage compressing refrigeration device and refrigerator using the device
02/15/2001WO2001011294A1 Thermosiphonic oil cooler for refrigeration chiller
02/13/2001US6186197 Apparatus for charging a pressurized system
02/13/2001US6185955 Refrigerating system which can favorably use as a refrigerant, a fluid smaller in specific volume than a general refrigerant
02/13/2001US6185949 Digital control valve for refrigeration system
02/13/2001US6185944 Refrigeration system with a compressor-pump unit and a liquid-injection desuperheating line
02/06/2001US6183215 Electric motor driven compressor
02/06/2001US6182467 Lubrication system for screw compressors using an oil still
02/06/2001CA2212942C Gas actuated slide valve in a screw compressor
01/2001
01/31/2001EP1072853A1 System for removing parasitic losses in a refrigeration unit
01/31/2001CN1061482C Hermetic compressor
01/25/2001WO2001006181A1 Refrigerating device
01/23/2001US6176094 Refrigerating machine oil composition, and refrigeration and compressor using the refrigerating machine oil composition
01/23/2001US6176092 Oil-free liquid chiller
01/18/2001WO2001004551A2 Oil return from refrigeration system evaporator using hot oil as motive force
01/16/2001USRE37019 Refrigeration compressor
01/10/2001EP1067341A2 Apparatus having a refrigeration circuit
01/10/2001CN1279386A Refrigerant compressor and refrigerator equipped therewith
01/09/2001US6170286 Oil return from refrigeration system evaporator using hot oil as motive force
01/03/2001EP1065455A2 Hot gas compressor bypass using oil separator circuit
01/03/2001CN1278904A Oil and refrigerant pump for centrifugal chiller
01/02/2001US6167719 Compressor for refrigeration cycle
12/2000
12/19/2000US6162033 Compressor economizer tube assembly
12/19/2000US6161395 Liquid level sensor
12/19/2000CA2190345C Refrigerating apparatus, and refrigerator control and brushless motor starter used in same
12/07/2000DE19925744A1 Elektrisch angetriebenes Kompressionskältesystem mit überkritischem Prozeßverlauf Electrically driven compression refrigeration system using supercritical process flow
12/06/2000EP1057669A2 Electrically driven compression cooling system with supercritical process cycle
12/05/2000US6155067 Enclosed compressor and cooling system
11/2000
11/29/2000CN2407966Y Sealing device of vortex disc for automobile air conditioner vortex refrigeration compressor
11/22/2000EP1054221A2 Refrigeration system, and method of updating and operating the same
11/21/2000US6148632 Refrigeration cycle apparatus
11/21/2000CA2032417C Scroll compressor with discharge valves
11/14/2000US6145326 Forced oil cooling for refrigeration compressor
11/14/2000US6145325 Method for operating a motor vehicle air conditioner with a compressor with lubricant circulation
11/09/2000DE19920727A1 Kälteanlage Refrigeration system
11/08/2000EP1050725A2 Refrigeration system
11/02/2000WO2000065232A2 Coolant compressor system
11/02/2000DE19918161A1 Kältemittelverdichteranlage Refrigerant compressor
10/2000
10/26/2000WO2000063559A1 Hermetic compressor
10/24/2000US6134911 Compressor for use in refrigerator
10/18/2000CN1270661A Sliding member and refrigerating compressor using the same
10/17/2000US6131471 Liquid level sensor
10/17/2000US6131406 Refrigerant compressor
10/12/2000WO2000060021A1 Refrigerant composition, closed electric compressor, and refrigerator
10/11/2000EP1043554A2 Refrigeration cycle apparatus
10/11/2000CN1269880A Liquid level sensor
10/11/2000CN1269871A Oil flow protection scheme
10/11/2000CN1269468A Compressor with suction silencing structure
10/10/2000US6129532 CO2 compressor
10/03/2000US6125648 Multi-riser refrigeration system with oil return means
10/03/2000US6125642 Oil level control system
09/2000
09/26/2000US6122924 Hot gas compressor bypass using oil separator circuit
09/26/2000CA2196753C Electromechanical oil level regulator
09/21/2000WO2000055506A1 Two-stage centrifugal compressor
09/20/2000EP1037001A2 Apparatus for cooling the power electronis of a refrigeration compressor drive
09/20/2000EP1036292A1 Oil and refrigerant pump for centrifugal chiller
09/20/2000CN1266978A Apparatus for cooling power electronic device of driving device of refragerating compressor
09/12/2000US6116046 Refrigeration chiller with assured start-up lubricant supply
09/12/2000US6116040 Apparatus for cooling the power electronics of a refrigeration compressor drive
09/07/2000DE19909885A1 Heat pump arrangement for single-family house; has condenser for gaseous coolant operated by internal combustion engine, where movable units are formed of same movement type
09/07/2000DE19908043A1 Elektrisch angetriebenes Kompressionskältesystem eines Kraftfahrzeuges Electrically driven compression refrigeration system of a motor vehicle
09/06/2000EP1033492A1 Compressor with suction muffler structure
09/06/2000CN2395231Y Multifunction energys aving household central air conditioner
08/2000
08/31/2000WO2000050826A1 Electrically driven compression cooling system of a motor vehicle
08/16/2000EP1028013A1 Air conditioner for a motor vehicle
08/10/2000WO2000046557A1 Refrigeration system with liquid injection desuperheating
08/08/2000US6098422 Oil and refrigerant pump for centrifugal chiller
08/08/2000US6098421 Refrigerating apparatus
07/2000
07/05/2000CN1259198A Start-up method and apparatus in refrigeration chillers
07/04/2000US6082982 Flooded compressor with improved oil reclamation
07/04/2000US6082132 Apparatus having refrigeration cycle
06/2000
06/28/2000CN1053957C Refrigerating apparatus including refrigerative circulation
06/21/2000EP1009979A2 Liquid level sensor
06/21/2000EP1009934A1 Oil flow protection scheme
06/06/2000US6070421 5 or 8 kW refrigerating system and centrifugal compressor assembly for said system
05/2000
05/31/2000EP0743496B1 Refrigeration system using hydrofluorocarbon refrigerant
05/31/2000EP0738859B1 Refrigeration system using hydrofluorocarbon refrigerant
05/31/2000EP0738858B1 Method of assembling refrigeration system using hydrofluorocarbon refrigerant
05/30/2000US6067804 Thermosiphonic oil cooler for refrigeration chiller
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