Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 7 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
Patents for F25B 7 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit (1,593)
05/2000
05/25/2000WO2000029797A1 Plant for liquefying natural gas
05/18/2000DE19904822C1 Current lead cooling method involves circulating low temp. gas in first cooling circuit to directly cool current leads or load, and cooling gas by circulating second coolant in second circuit
05/04/2000WO2000025061A1 Reliquefaction of boil-off from pressure lng
04/2000
04/06/2000WO2000019157A1 Two-refrigerant refrigerating device
04/06/2000WO2000019155A1 Refrigerator
03/2000
03/14/2000US6035655 Modular refrigeration system
02/2000
02/03/2000WO2000005542A1 Refrigerating device
01/2000
01/26/2000CN1242499A Freezing system and heat exchanger device for condensation
01/19/2000EP0929779A4 Precooling system for joule-thomson probe
01/19/2000CN1241705A Multiple-type air conditioner for combined use of cooler and heater
11/1999
11/18/1999WO1999058905A1 Method and device for producing cold
11/18/1999DE19821308A1 Refrigeration process using Joule-Thomson heat exchange
11/11/1999WO1999057494A1 Precooling system for joule-thomson probe
11/10/1999CN2348332Y Full-functional air conditioning refrigerating and heating box
11/03/1999EP0953132A1 Refrigeration system with closed circuit circulation
10/1999
10/26/1999US5970731 Modular refrigeration system
10/20/1999EP0950162A1 Mixed gas refrigeration method
10/06/1999CN1231028A Compound refrigeration system for water chilling and thermal storage
09/1999
09/28/1999US5956958 Gas mixture for cryogenic applications
09/08/1999CN1228153A Refrigerating plant
07/1999
07/28/1999CN1224493A Low temp. storage cabinet
07/21/1999EP0930474A1 Refrigerating plant
07/21/1999EP0929779A2 Precooling system for joule-thomson probe
07/14/1999CN1222966A Refrigerator
05/1999
05/12/1999CN1216607A Refrigeration apparatus and method of manufacturing same
05/06/1999WO1999022187A1 Phase-changeable and non-heat refrigeration process and apparatus thereof
05/06/1999WO1999022185A1 Non-heat refrigeration method and a cycle system thereof
04/1999
04/28/1999EP0911591A1 Low temperature storage cabinet
04/20/1999US5894739 Compound refrigeration system for water chilling and thermal storage
04/14/1999EP0908688A2 A refrigeration plant
04/07/1999EP0907056A1 Refrigerator
03/1999
03/23/1999US5884498 Turborefrigerator
02/1999
02/09/1999US5867996 Compressor control device for vehicle air conditioner
02/03/1999EP0894226A1 Precooled vapor-liquid refrigeration cycle
01/1999
01/21/1999WO1999002929A1 Compound refrigeration system for water chilling and thermal storage
12/1998
12/30/1998EP0887599A1 Refrigeration apparatus and method of manufacturing same
12/10/1998WO1998055809A1 Refrigerating plant
12/02/1998CN2299287Y Evaporation absorption appts. of absorption air conditioner set
11/1998
11/05/1998WO1998049506A1 Low temperature storage cabinet
10/1998
10/15/1998WO1998045651A1 Refrigerator
09/1998
09/22/1998US5809791 Remora II refrigeration process
09/03/1998WO1998017167A3 Precooling system for joule-thomson probe
08/1998
08/27/1998DE19807326A1 Compressor control device for automobile air-conditioning device
08/04/1998US5787715 Mixed gas refrigeration method
07/1998
07/28/1998US5784893 Air conditioning system with built-in intermediate heat exchanger with two different types of refrigerants circulated
07/16/1998WO1998030847A1 Refrigeration system with closed circuit circulation
07/09/1998WO1998029699A1 Refrigeration apparatus and method of manufacturing same
07/08/1998CN1186935A Pure phase-changing apyretic frigeration technological process and the apparatus thereof
07/01/1998EP0851183A2 Refrigeration system
07/01/1998CN1186209A Turborefrigerator
06/1998
06/02/1998US5758505 Precooling system for joule-thomson probe
04/1998
04/30/1998WO1998017167A2 Precooling system for joule-thomson probe
04/28/1998US5743110 Unit for distribution and/or collection of cold and/or of heat
04/21/1998US5740679 Binary refrigerating apparatus
04/08/1998CN1178313A Non-heat refrigerating method and circulating system thereof
03/1998
03/24/1998US5729993 Precooled vapor-liquid refrigeration cycle
02/1998
02/19/1998WO1998006985A1 Mixed gas refrigeration method
12/1997
12/30/1997US5702632 Cryogenic refrigeration system uses a mixture of 1-chloro-1,1-difluoroethane, 1,1,1,2-tetrafluoroethane, trifluoromethane, carbon tetrafluoride and argon; free of chlorofluorocarbons
11/1997
11/18/1997US5689141 Compressor drive system for a natural gas liquefaction plant having an electric motor generator to feed excess power to the main power source
11/18/1997US5687579 Double circuited refrigeration system with chiller
10/1997
10/23/1997WO1997039293A1 Precooled vapor-liquid refrigeration cycle
07/1997
07/24/1997WO1997026491A1 Remora ii refrigeration process
07/17/1997DE19600647A1 Recovery of clean, valuable materials from electrical cable terminations and electronic scrap
04/1997
04/30/1997DE19642702A1 Heat pump installation for heating and hot water in buildings
04/02/1997CN1146801A Two-dimensional refrigerating plant
12/1996
12/27/1996EP0593777B1 Refrigerant composition and binary refrigerating system using the composition
12/11/1996EP0747643A1 Two-dimensional refrigerating plant
09/1996
09/10/1996US5553457 Cooling device
07/1996
07/18/1996WO1996021831A1 Dual system refrigerating plant
07/18/1996WO1996021830A1 Two-dimensional refrigerating plant
02/1996
02/28/1996CN1117568A Air conditioner apparatus
12/1995
12/26/1995US5477697 Refrigeration system
10/1995
10/04/1995EP0675331A2 Air conditioning system with built-in intermediate heat exchanger with two different types of refrigerants circulated
09/1995
09/06/1995EP0670462A1 Unit for distributing and/or collecting cold and/or warmth
09/05/1995US5447038 Apparatus for simultaneously providing multiple temperatures using an automatically configurable cooling system having both cascade and single compressor modes
08/1995
08/30/1995EP0669505A2 Non-CFC autocascade refrigeration system
06/1995
06/22/1995DE4344484A1 Refrigerating plant for foodstuffs
06/20/1995US5425244 Double circuited evaporator cooling system automatically configurable to operate in cascade or single compressor mode
05/1995
05/23/1995US5417076 Cooling system automatically configurable to operate in cascade or single compressor mode
04/1995
04/25/1995US5408848 Non-CFC autocascade refrigeration system
03/1995
03/30/1995DE4332917A1 Process and arrangement for cold generation
02/1995
02/14/1995US5388420 Heat storage type air conditioner, and defrosting method
02/07/1995US5386709 Subcooling and proportional control of subcooling of liquid refrigerant circuits with thermal storage or low temperature reservoirs
01/1995
01/24/1995US5383339 Supplemental cooling system for coupling to refrigerant-cooled apparatus
12/1994
12/14/1994EP0628150A1 Subcooling system for refrigeration cycle
12/07/1994EP0627602A2 (Compound)refrigerating plant
11/1994
11/16/1994CN1095150A Heat storage type air conditioner, and defrosting method
10/1994
10/04/1994US5351499 Refrigerant composition and binary refrigeration system using it
09/1994
09/29/1994WO1994021919A1 Equalization of load across a compressor upon shutdown
08/1994
08/09/1994US5335508 Refrigeration system
06/1994
06/29/1994EP0483161B1 Refrigeration and freezing plant
06/22/1994EP0602911A1 Supplementary cooling system
06/15/1994EP0601875A1 Method of and apparatus for subcooling liquid refrigerant circuits
06/14/1994CA2074444C Combination lift piston/axial port unloader arrangement for a screw compressor
05/1994
05/25/1994EP0527856A4 Food freezer
04/1994
04/27/1994EP0593777A1 Refrigerant composition and binary refrigerating system using the composition
02/1994
02/16/1994CN1023833C Refrigeration system
11/1993
11/30/1993US5265443 Refrigerating unit
10/1993
10/28/1993WO1993021280A1 Refrigerant composition and binary refrigerating system using the composition
09/1993
09/16/1993WO1993018357A1 Subcooling system for refrigeration cycle
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