Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920)
09/2003
09/03/2003CN2570710Y Quantitative determination suction and filling apparatus for digital refrigeration
08/2003
08/28/2003WO1998012109A8 Method and apparatus for charging pressurized systems
08/28/2003US20030159449 Air conditioner
08/27/2003CN1438457A Construction method of vacuum pump and air conditioner
08/26/2003US6609385 Refrigerant charging/pressure testing hose assembly
08/20/2003EP1336758A2 Vacuum pump and installation method for air conditioner
08/13/2003EP0953132B1 Refrigeration system with closed circuit circulation
08/13/2003CN2566198Y Tool for charging refrigerant
08/07/2003WO2003064914A1 Refrigeration system service coupling
07/2003
07/23/2003CN1431403A Enclosed rotary compressor and freezing air conditioning unit
07/22/2003US6595039 Method of applying liquid fluorescent dyes to the internal parts of air conditioning or refrigeration systems
07/17/2003US20030131622 Refrigeration manifold
07/15/2003US6591629 Refrigerant recovery system having integrated two-phase distillation and filtration path
07/09/2003CN2559941Y Technical vehicle pre-filling fluorine air conditioner
07/09/2003CN1428583A Compressor for refrigerator
06/2003
06/26/2003WO2003052331A1 Refrigerating machine comprising a refrigerant collector located on the pressure side
06/26/2003WO2002073101B1 Apparatus and methods for placing an additive fluid into a refrigerant circuit
06/25/2003EP1320707A1 Method of replacing refrigerants in refrigeration systems
06/19/2003WO2003050459A1 Control method for mixed refrigerant based natural gas liquefier
06/18/2003CN2556574Y Refrigerant-charging tool
06/18/2003CN2556573Y Refrigerating gas charging joint
06/11/2003CN1423103A Cold-carrying agent supplying device
06/03/2003US6571565 Evacuation volume for a refrigeration system
05/2003
05/28/2003EP0912867B1 Refrigeration system
05/22/2003WO2003042605A1 Freezer
05/21/2003CN1419095A Liquified refrigerant pressurized distributor matched with refrigeration air=conditioning system and use method of same
05/13/2003US6561237 Apparatus and method for urging fluid into a pressurized system
05/13/2003US6560973 Method for manufacturing a vending machine for serving extremely cold frozen product and method for distributing same
05/13/2003CA2101551C Refrigerant recycling system
04/2003
04/23/2003EP1304532A1 Air conditioner
04/23/2003CN1412514A Method for raising efficiency of refrigerator
04/17/2003US20030070722 Method of introducing refrigerants into refrigeration systems
04/15/2003US6546952 Stem cap for air conditioning service valve
04/15/2003US6546747 Obtaining a representative sample of liquified refrigerant and assaying its composition
04/09/2003CN1105275C Compressor for use in refrigerator
04/01/2003US6539988 Pressurized container adapter for charging automotive systems
04/01/2003US6539970 Method and apparatus for servicing a pressurized system
04/01/2003US6539735 Refrigerant expansion tank
03/2003
03/26/2003CN1405520A Process for removing water or steam for general family-type central air conditioning system pipeline and its control system
03/26/2003CN1405515A Refrigerant loop tank
03/20/2003WO2002055965A3 Manifold gauge assembly
03/19/2003EP1293735A2 Refrigerant circuit
03/12/2003CN1103036C Multi step pressure reducing method and apparatus
03/11/2003US6530240 Control method for mixed refrigerant based natural gas liquefier
03/11/2003US6530237 Refrigeration system pressure control using a gas volume
03/06/2003US20030044523 Method of applying liquid fluorescent dyes to the internal parts of air conditioning or refrigeration systems
03/05/2003CN1102729C Apparatus and method for charging three-component mixed refrigerant
02/2003
02/12/2003CN1396424A 制冷剂回收装置 Refrigerant recovery
02/11/2003US6516837 Recharging by removing chlorine-containing refrigerant while retaining lubricant
02/05/2003CN1395076A R22 refrigerant recorery device and method
01/2003
01/30/2003WO2003008878A1 Refrigerator
01/28/2003US6510698 Refrigeration system, and method of updating and operating the same
01/23/2003US20030015679 Access port (suitable for fluid/refrigerant system)
01/23/2003US20030014985 Helium management control system
01/22/2003EP1278032A1 Method for refrigerant and oil collecting operation and refrigerant and oil collection controller
01/21/2003US6508065 System and a process for supplying fluid in hermetic circuits
01/09/2003WO2002044633A8 Apparatus and method for urging fluid into a pressurized system
01/08/2003CN1389683A Compressor for use in freezer
01/02/2003EP1271074A1 Apparatus and method for R22 refrigerant recovery
01/02/2003EP1271073A2 Access port
12/2002
12/27/2002WO2002103265A1 Refrigerator
12/25/2002CN2527936Y Fast liquid-filling valve for air conditioner
12/25/2002CN1097085C Refrigerant circulation system, refrigerant compressor and refrigeration circulation using said refrigerant compressor
12/19/2002US20020189268 Method for manufacturing a vending machine for serving extremely cold frozen product and method for distributing same
12/19/2002US20020189265 Apparatus, methods and compositions for placing additive fluids into a refrigerant circuit
12/18/2002CN1386185A 空调机 Air conditioners
12/04/2002EP1262348A2 Refrigeration cycle apparatus
11/2002
11/28/2002US20020174664 Apparatus and methods for placing an additive fluid into a refrigerant circuit
11/27/2002CN2522806Y Cold-coal filling support regulating structure improvement
11/26/2002US6484526 Manifold gauge assembly
11/21/2002US20020170308 Refrigeration manifold
11/19/2002US6481231 Hot gas defrost refrigeration system
11/19/2002US6481226 Method for manufacturing a vending machine for serving extremely cold frozen product and method for distributing same
11/19/2002US6481221 Apparatus and methods for placing an additive fluid into a refrigerant circuit
11/14/2002WO2002044633B1 Apparatus and method for urging fluid into a pressurized system
11/14/2002DE10123178A1 Method for lowering the temperature in the passenger compartment of a motor vehicle, involves setting of the target temperature level much lower than its normal value
11/07/2002US20020162343 Evacuation volume for a refrigeration system
10/2002
10/29/2002US6470695 Refrigerant gauge manifold with built-in charging calculator
10/24/2002US20020152759 System manifold for integrated delivery of refrigerant and leak detection dye, and methods of delivering leak detection dye
10/24/2002CA2382897A1 System and manifold for integrated delivery of refrigerant and leak detection dye, and methods of delivering leak detection dye
10/22/2002US6469300 Apparatus and method for injecting a concentrated fluorescent dye into a sealed air-conditioning system
10/22/2002US6467291 Refrigeration cycle apparatus
10/22/2002US6467283 Method of retrofitting air conditioner and system therefor
10/17/2002US20020148238 System and method for reconditioning a chiller
10/09/2002CN1092322C Method for monitoring refrigerant charge
10/03/2002US20020139129 Refrigeration system pressure control using a gas volume
10/01/2002US6457606 Method and device for introducing fluid material into a climate control system
09/2002
09/19/2002WO2002073102A1 Apparatus, method and compositions for placing for additive fluids into a refrigerant circuit
09/19/2002WO2002073101A1 Apparatus and methods for placing an additive fluid into a refrigerant circuit
09/17/2002US6450413 Expansion valve
09/17/2002US6450199 Refrigeration system service coupling
09/17/2002US6449962 Refrigerant collecting device, refrigerant collecting method, refrigerator having refrigerant collecting device, control method for refrigerant in refrigerant circuit or regeneration device and regeneration method for refrigerant collecting
09/12/2002US20020124578 Apparatus methods and compositions for placing additive fluids into a refrigerant circuit
09/12/2002US20020124577 Apparatus and methods for placing an additive fluid into a refrigerant circuit
09/11/2002CN1090744C Single fluid compression/expansion refrigeration device
09/10/2002US6446453 Unitary hose connector for automobile air conditioner servicing and kit utilizing same
09/03/2002US6442963 Non-condensable purge technique using refrigerant temperature offset
09/03/2002US6442958 Fluid delivery apparatus and method
08/2002
08/28/2002EP1234147A1 An improvement in a refrigeration circuit
08/27/2002US6439274 Power or mechanically driven apparatus for adding fluids to charged systems
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