Patents for F25B 47 - Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass (3,979)
10/2002
10/22/2002US6467279 Liquid secondary cooling system
10/16/2002CN1374487A Air conditioner
10/08/2002US6460359 Method and device for cool-drying
10/03/2002US20020139137 Method and apparatus for maintaining compressor discharge vapor volume for starting with condensing unit ambient temperatures less than evaporator unit ambient temperatures
09/2002
09/26/2002WO2001029285A3 Corrosion protection of steel in ammonia/water heat pumps
09/26/2002US20020134097 Brine cooling apparatus
09/18/2002CN2511918Y Low temperature moisture eliminator with four way valve to defrost by switching
09/18/2002CN1091238C Dofrosting method for heat pump type air conditioner
09/17/2002US6450790 Refrigerating cycle or compressor having foreign matter collector
09/17/2002US6449967 High speed evaporator defrost system
09/12/2002WO2002070968A1 Cleaning system for refrigerator condenser
09/12/2002US20020124586 Cleaning system for refrigerator condenser
09/11/2002CN1090746C Frost removing device for low-temperature display cabinet
09/11/2002CN1090736C 分体式空调器 Split air conditioner
09/10/2002US6446447 Logic module refrigeration system with condensation control
08/2002
08/29/2002WO2002066908A1 System and method in which co2 is used for defrost and as refrigerant during stand-still
08/29/2002US20020117553 Coolant nozzle
08/29/2002US20020116933 Recuperative environmental conditioning unit
08/28/2002CN2508187Y Crystalline sensor of low-temp. generator
08/28/2002CN1089883C Pipe connecting method and pipe structure
08/27/2002US6438973 Control board alarms
08/27/2002CA2110107C Air conditioning and refrigeration systems utilizing a cryogen and heat pipes
08/22/2002WO2002064388A1 On-vehicle air conditioner for air conditioning
08/15/2002US20020110469 Refrigerating cycle or compressor having foreign matter collector
08/15/2002US20020108380 Decondenser unit
08/14/2002CN1363812A Refrigerator evaporator without refrigerant leakage
08/13/2002US6430942 Inhibitor replenishment system
08/07/2002EP1180230A4 Improved control system for a refrigerator with two evaporating temperatures
08/07/2002CN1363027A Improved control system for a refrigerator with two evaporating temperatures
08/06/2002US6427454 Air conditioner and controller for active dehumidification while using ambient air to prevent overcooling
07/2002
07/31/2002EP1226393A1 Vapor compression system and method for controlling conditions in ambient surroundings
07/31/2002CN1361359A Compressure with foreign body collector
07/16/2002US6418749 Brine cooling apparatus
07/16/2002US6418741 Expansion/check valve assembly including a reverse flow rate adjustment device
07/16/2002US6418737 Heat pump type hot-water supply system capable of performing defrosting operation
07/10/2002CN1357734A Defrosting method utilizing semiconductor cooler
07/04/2002DE10100112A1 Refrigerated goods presentation furniture ready for plugging in with necessary component parts such as compressor, condenser, evaporator and lighting
06/2002
06/27/2002US20020078699 Hot gas defrost refrigeration system
06/20/2002US20020073728 Quiet ice making apparatus
06/18/2002US6405559 Refrigerating apparatus
06/13/2002US20020069653 Water producing and dispensing machine
06/12/2002CN2494962Y Counter-circulating defroster for refrigerating equipment
06/11/2002US6403540 Chemical composition for cleaning an automotive air conditioning system and method for operating and cleaning
06/06/2002US20020066555 Geothermal heat pump cleaning control system and method
06/04/2002US6397610 Method for controlling air conditioner/heater by coil temperature
05/2002
05/30/2002WO2002041999A1 Decondenser unit
05/29/2002CN1351246A Corrosion retardant replenishing system
05/22/2002CN1350628A 冰箱以及除霜用加热器 Refrigerator and defrost heater
05/21/2002US6389833 Evaporator having defrosting capabilities
05/15/2002CN1349606A Motor-driven needle for refrigerating circuit and refrigerating device with the motor-driven needle valve
05/10/2002WO2002037038A1 A defrosting method and a refrigeration appliance using thereof
05/09/2002US20020053218 Vapor compression system and method
05/02/2002US20020050343 Pipeline device and method for its production, and heat exchanger
05/02/2002EP1200780A1 A low temperature refrigeration system
04/2002
04/18/2002US20020043649 Corrosion protection of steel in ammonia/water heat pumps
04/18/2002US20020043640 Valve device
04/11/2002US20020040587 Liquid chiller evaporator
04/11/2002DE10145951A1 Fahrzeugklimaanlage mit Entfrosterbetrieb durch externen Wärmetauscher Vehicle air conditioning with defrosting by external heat exchanger
04/10/2002EP1195546A1 Valve device
04/09/2002USRE37630 Refrigerated merchandiser with modular evaporator coils and EEPR control
04/03/2002CN1343297A Vapor compression system and its method
04/03/2002CN1343296A Vapor compression system and its method
04/03/2002CN1082150C Refrigerating circulation with foreign matter collector
03/2002
03/28/2002US20020036080 Vehicle air conditioner with defrosting operation of exterior heat exchanger
03/28/2002US20020035841 Mixed refrigerant temperature control using a pressure regulating valve
03/27/2002CA2357827A1 Self-washing coil for air conditioning units
03/26/2002US6361710 Absorbent refrigerant composition
03/21/2002WO2002023105A1 Quiet ice making apparatus
03/21/2002CA2554144A1 Quiet ice making apparatus
03/20/2002CN1340686A Operation method of commercial refrigeration system
03/19/2002US6358747 Method and apparatus for quantifying molybdate in absorption refrigeration system brines
03/12/2002US6354087 Method and apparatus for cooling superconductor
03/07/2002WO2002018854A1 Method and arrangement for defrosting a vapor compression system
03/07/2002WO2002018848A1 Reversible vapor compression system
03/07/2002US20020026800 Refrigeration system, and method of updating and operating the same
03/07/2002CA2420974A1 Reversible vapor compression system
03/06/2002EP1184634A1 A refrigerated merchandiser system and method of operating a refrigerated merchandiser system
02/2002
02/27/2002CN1079937C Refrigerant reclaiming and cleaning system and method thereof
02/20/2002EP1180653A1 Refrigerator and defrosting heater
02/20/2002EP1180230A1 Improved control system for a refrigerator with two evaporating temperatures
02/20/2002CN2478042Y Freezing appts.
02/20/2002CN1337000A Freeze point protection for water cooled chillers
02/14/2002US20020017106 Very low temperature refrigeration system with controlled cool down and warm up rates and long term heating capabilities
02/13/2002CN1335474A Integrated low-temperature air conditioner with small refrigeration storage
02/13/2002CN1335473A Split low-temperature air conditioner with small refrigeration storage
02/07/2002WO2001074977A3 Lubricant and flushing compositions
02/06/2002EP1178270A1 Motor-driven needle valve for refrigerating circuit and refrigerating device with the motor-driven needle valve
01/2002
01/24/2002WO2002006738A1 Refrigerant circuit of air conditioner
01/24/2002US20020007640 Flushing composition
01/23/2002CN1078340C Stack type evaporator
01/16/2002CN2472159Y Hot Pump air conditioner with assisting defrosting and heating device
01/03/2002WO2002001125A1 Liquid chiller evaporator
01/03/2002WO2002001121A1 Mixed refrigerant temperature control using a pressure regulating valve
01/01/2002US6334321 Method and system for defrost control on reversible heat pumps
12/2001
12/18/2001CA2053297C Hot gas defrost refrigeration system
12/06/2001WO2001092792A1 A low temperature refrigeration system
12/06/2001CA2377478A1 Very low temperature refrigeration system with controlled cool down and warm up rates and long term heating capabilities
11/2001
11/27/2001US6321551 Series secondary cooling and dehumidification system for indoor ice rink facilities
11/27/2001US6321549 Electronic expansion valve control system
11/27/2001US6321542 Method for cleaning pipe and pipe cleaning apparatus for refrigerating apparatus
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