Patents for F25B 47 - Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass (3,979)
11/2001
11/22/2001WO2000061698A9 Two-phase refrigeration fluid for an absorption refrigeration apparatus and a method of preventing corrosion
11/20/2001US6318108 Self-washing coil for air conditioning units
11/20/2001US6318095 Method and system for demand defrost control on reversible heat pumps
11/06/2001US6311507 Refrigeration system with minimum pre-set condensing pressure
10/2001
10/31/2001CN1320205A Two-refrigerant refrigerating device
10/23/2001US6306129 Cryosurgical system and method
10/18/2001WO2001077591A1 Heat exchanger
10/18/2001US20010029746 Absorption refrigerator and production method thereof
10/17/2001EP1144924A1 Freeze point protection for water cooled chillers
10/17/2001EP1144923A1 Vapor compression system and method
10/17/2001EP1144922A1 Vapor compression system and method
10/17/2001EP1144921A1 System for supermarket refrigeration having reduced refrigerant charge
10/17/2001EP1144560A1 Flushing composition
10/11/2001WO2001074977A2 Lubricant and flushing compositions
10/09/2001US6298673 Method of operating a refrigerated merchandiser system
10/03/2001CN1072350C Control method of removing frost from inverter type air conditioner
09/2001
09/19/2001EP1134519A2 Method and system for defrost control on reversible heat pumps
09/19/2001CN1313494A Method and system for control of defrosting reversible heat pump
09/11/2001US6286326 Control system for a refrigerator with two evaporating temperatures
09/11/2001US6286322 Hot gas defrost refrigeration system
09/06/2001DE10023054A1 Switching cubicle cooling apparatus has two circuits (cascades) with three heat exchangers in total with one circuit using coolant R600a and other using water
09/05/2001CN1311421A Micro ice crystal eliminator of ice cold storage air conditioner supercooling water dynamic ice making system
09/04/2001US6282918 Absorption refrigerating apparatus constituted to prevent corrosion inside it
08/2001
08/29/2001EP0730125B1 Pipe connecting method and pipe structure
08/28/2001US6279342 Absorption refrigerator and production method thereof
08/28/2001US6279330 Apparatus and method for cleaning pipes of refrigerating unit
08/23/2001US20010016172 Refrigerating cycle or compressor having foreign matter collector
08/23/2001US20010015075 Brine cooling apparatus
08/23/2001US20010015071 Method and apparatus of an externally mounted radiant-reflector defrost heater
08/21/2001US6276158 Heat exchange equipment
08/14/2001US6272870 Refrigeration system having a pressure regulating device
08/08/2001CN1307499A Method and device for cool-drying
07/2001
07/25/2001EP1118823A1 Two-refrigerant refrigerating device
07/24/2001US6263687 Air conditioning systems
07/04/2001CN1302263A Heat pump type air conditioner for vehicle
07/03/2001US6253566 Brine cooling apparatus
07/03/2001US6253564 Heat transfer system
06/2001
06/26/2001US6250898 Refrigerating cycle or compressor having foreign matter collector
06/26/2001US6250090 Apparatus and method for evaporator defrosting
06/20/2001EP1108575A1 Air conditioner for vehicle
06/12/2001US6244059 Eductor based oil return for refrigeration systems
06/12/2001US6244057 Air conditioner
05/2001
05/29/2001US6237352 Water producing and dispensing machine
05/29/2001US6237350 Refrigerated display case and method for sanitizing a refrigerated display case
05/23/2001EP1102018A1 Piping cleaning method of air conditioner, compounds used therein, and piping cleaning apparatus
05/23/2001EP1101072A1 A method for preventing water accumulation and ice formation on the evaporators and condensers of refrigerators
05/16/2001CN1295662A Water making apparatus
05/15/2001US6230747 Pipe connecting method and piping structure
05/10/2001WO2001033147A1 Vapor compression system and method for controlling conditions in ambient surroundings
05/09/2001CN1065618C Refrigerating system
04/2001
04/26/2001WO2001029285A2 Corrosion protection of steel in ammonia/water heat pumps
04/24/2001US6220043 Apparatus and method for control of a heat pump system
04/18/2001EP0783658B1 Method and device for cooling gases
04/11/2001EP1090786A1 Heat pump type air conditioner for vehicle
04/11/2001EP1089803A1 Method and device for cool-drying
04/11/2001CN1290838A Composite air conditioner low temperature control method
04/10/2001US6213194 Hybrid cooling system for electronics module
04/05/2001DE10043169A1 Heat pump hot water supply system for defrosting process has greater degree of opening of pressure reducer in defrost mode than in normal mode; control unit stops pump in defrost mode
03/2001
03/27/2001US6205795 Series secondary cooling system
03/27/2001US6205792 Refrigerator incorporating stirling cycle cooling and defrosting system
03/22/2001WO2001020235A1 Apparatus and method for evaporator defrosting
03/20/2001US6203718 Corrosion-inhibited working fluid for an aqueous ammonia absorption cycle apparatus
03/06/2001US6196007 Ice making machine with cool vapor defrost
02/2001
02/28/2001CN2421595Y Defrosting structure
02/28/2001CN1285907A Refrigerating apparatus
02/22/2001WO2001013053A1 Water producing and dispensing machine
02/21/2001CN2420589Y Electric needle valve for refreezing loop and refreezer with said needle valve
02/21/2001CN1285031A Heat pump having improved defrost system
02/06/2001US6182741 Air conditioner for preventing corrosion of evaporator
01/2001
01/09/2001US6170272 Refrigeration system with inertial subcooling
01/03/2001CN1278906A Pipeline cleaning device and method for refrigerating apparatus
01/02/2001US6167712 Method for controlling a refrigerator having a direction control valve
12/2000
12/13/2000CN1276523A Method and apparatus for quantitative analysis of molybdenate in bittern of absorption refrigerating system
12/06/2000EP1058113A2 Method and apparatus for quantifying molybdate in absorption refrigeration system brines
12/06/2000EP1056976A1 Water making apparatus
12/06/2000CN1275698A Air conditioner
11/2000
11/30/2000WO2000071947A1 Improved control system for a refrigerator with two evaporating temperatures
11/29/2000EP1055885A2 Air conditioner
11/23/2000WO2000070281A1 Refrigerator and defrosting heater
11/23/2000WO2000070276A1 Motor-driven needle valve for refrigerating circuit and refrigerating device with the motor-driven needle valve
11/23/2000CA2373185A1 Motor-driven needle valve for refrigerating circuit and refrigerating device with the motor-driven needle valve
11/22/2000EP1054221A2 Refrigeration system, and method of updating and operating the same
11/09/2000DE19921469A1 Ammonia and water absorption-type refrigeration unit; has condenser and evaporator formed as plate heat exchangers, with refrigerant evaporator formed as injection evaporator
11/09/2000DE19920726A1 Kälteanlage Refrigeration system
11/08/2000EP1050726A2 Refrigeration system
11/08/2000EP1050724A2 Refrigeration system
11/07/2000US6141976 Manufacturing method of an air conditioner
11/02/2000WO2000064693A1 Heat pump type air conditioner for vehicle
11/02/2000CA2335369A1 Heat pump type air conditioner for vehicle
11/01/2000CN1272141A Plasma polymerization enhancement of surface of metal for use in refrigerating and air conditioning
10/2000
10/31/2000US6138463 Control system for mobile air conditioning apparatus
10/19/2000WO2000061698A1 Two-phase refrigeration fluid for an absorption refrigeration apparatus and a method of preventing corrosion
10/18/2000CN1270297A Plumber device, its manufacture and heat radiator
10/05/2000DE19914483A1 Beheizbare Eintragsvorrichtung für kryogene Medien Heated entry device for cryogenic media
10/04/2000EP1041354A2 Heated feeding device for cryogenic fluids
09/2000
09/28/2000DE19911979A1 Gefriergerät Freezer
09/20/2000EP1037003A2 Freezing apparatus
09/20/2000EP1036213A1 Plasma polymerization enhancement of surface of metal for use in refrigerating and air conditioning
09/08/2000WO2000052399A1 High-speed evaporator defrost system
09/06/2000EP1033541A1 Refrigerating apparatus
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