Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
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07/03/2001 | US6253810 Apparatus for detecting leaks in a pressurized air conditioning or refrigeration system |
06/19/2001 | US6247325 Apparatus for servicing refrigeration systems |
06/13/2001 | EP1106940A2 Air conditioner |
06/12/2001 | US6244055 Refrigerant recovery and recycling system |
06/07/2001 | WO2001040719A1 An improvement in a refrigeration circuit |
06/07/2001 | DE19958437A1 Evacuation of refrigeration circuits during the manufacture of domestic refrigerators is accelerated by the addition of a getter material to absorb air prior to filling with refrigerant |
06/05/2001 | US6240738 Refrigerant relief device for vehicle air conditioner |
05/22/2001 | US6233961 Refrigerator and method of filling it with coolant |
05/22/2001 | US6233950 Device and process for injecting a refrigerant into a product mixer |
05/09/2001 | EP1098129A1 Stem cap for air conditioning service valve |
05/01/2001 | US6223549 Refrigeration cycle device, a method of producing the device, and a method of operating the device |
04/24/2001 | US6220041 Method for determining a charging amount of refrigerant for an air conditioner, a method for controlling refrigerant for an air conditioner and an air conditioner |
04/19/2001 | US20010000276 Fluid delivery apparatus and method |
04/17/2001 | US6216473 Method of recovering a coolant, apparatus therefor, tool therefor and three-way valve for recovering a pressurized fluid |
04/04/2001 | EP1025402A4 Isolated refrigerant identifier |
04/03/2001 | US6209338 Systems and methods for controlling refrigerant charge |
03/28/2001 | CN1289029A Refrigerant tube device for indoor air conditioner |
03/22/2001 | US20010000050 Method for determining a charging amount of refrigerant for an air conditioner, a method for controlling refrigerant for an air conditioner and an air conditioner |
03/20/2001 | US6202433 Protection system for refrigerant identification detector |
03/15/2001 | DE10018430A1 Combustible refrigeration fluid extraction method for recycling refrigeration appliance has refrigeration fluid drawn into pre-evacuated sealed container at reduced pressure |
03/14/2001 | EP1082563A1 High flow valved fitting |
03/13/2001 | US6199396 Refrigerant pipe unit for room air-conditioner |
03/06/2001 | US6196016 Multiple-dose, flush-through injector |
03/06/2001 | US6196008 Method for taking custody of, transporting and installing air conditioner |
02/20/2001 | US6189322 Refrigerant-circulating system, and refrigerant compressor and refrigeration cycle employing the refrigerant compressor |
02/13/2001 | US6186197 Apparatus for charging a pressurized system |
02/13/2001 | US6185945 Isolated refrigerant identifier |
01/30/2001 | US6178759 Rupture disk |
01/10/2001 | EP1067340A2 Replacing gas collecting trap for an air conditioner |
01/09/2001 | US6170541 Leak detection dye introduction system and method |
01/03/2001 | CN2413240Y Refrigerant charging recoverer |
01/03/2001 | CN1278906A Pipeline cleaning device and method for refrigerating apparatus |
01/03/2001 | CN1278905A Refrigerant recovering apparatus and refrigerant recovering method |
12/26/2000 | US6164080 Apparatus and method for flushing a refrigeration system |
12/21/2000 | WO2000077464A1 A refrigeration sealing system for a refrigeration unit |
12/12/2000 | US6158234 Self-cooled refrigerant recovery system |
12/12/2000 | US6158229 Heat exchanger, method of reusing and recovering refrigerant thereof |
12/05/2000 | US6155066 Injector, methods for using injector, and kit |
11/30/2000 | WO2000071948A1 Multiple-dose, flush-through injector |
11/22/2000 | EP1054221A2 Refrigeration system, and method of updating and operating the same |
11/21/2000 | US6148632 Refrigeration cycle apparatus |
11/21/2000 | CA2222632C Refrigerant separation system |
11/08/2000 | CN1272915A Refrigerant regenerating device, refrigerant regenerating method, refrigerator having refrigerant regenerating device, control method for refrigerant circuit or recovery |
11/07/2000 | US6141977 Apparatus and method for recovering volatile refrigerants |
10/31/2000 | US6138462 Refrigerant recovery and recharging system with automatic oil drain |
10/24/2000 | US6134911 Compressor for use in refrigerator |
10/24/2000 | US6134899 Refrigerant recovery and recharging system with automatic air purging |
10/24/2000 | US6134896 Background tank fill |
10/17/2000 | US6132495 Passing gas through a venturi cell at a pressure and a flow rate; the cell comprising: a housing having an inlet and an outlet; venturi for reducing the pressure and temperature of the gas in communication with the inlet and outlet of housing |
10/04/2000 | EP1041349A2 Replacing gas apparatus for an air conditioner |
10/04/2000 | EP1041348A2 Method for installing air conditioner |
10/04/2000 | EP1041347A2 Connecting apparatus for installing air conditioner |
09/19/2000 | US6119475 Tank unload apparatus |
09/05/2000 | US6112532 Refrigeration system with closed circuit circulation |
08/23/2000 | EP1029724A2 Refrigerant relief device for vehicle air conditioner |
08/16/2000 | CN1263245A Absorption type machine with refrigerating agent management system |
08/15/2000 | US6101822 Constant volume air conditioning/heat pump efficiency improvement apparatus |
08/09/2000 | EP1026462A2 Absorption machine with refrigerant management system |
08/09/2000 | EP1025402A2 Isolated refrigerant identifier |
08/09/2000 | CN2391149Y Repair agent filler for air conditioner |
08/03/2000 | WO2000044859A1 Flushing composition |
07/26/2000 | EP1022524A1 Apparatus and method for cleaning pipes of refrigerating unit |
07/25/2000 | US6092390 Portable, automatic, oil recovery system |
07/18/2000 | US6089032 Method of retrofitting air conditioner and system therefor |
07/12/2000 | EP1018628A1 Refrigerant recovering apparatus and refrigerant recovering method |
06/28/2000 | EP1014015A1 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 device |
06/14/2000 | CN1053495C Method and apparatus for recovering, reclaiming and filling freon for air conditioner |
05/30/2000 | US6067807 Absorption machine with refrigerant management system |
05/25/2000 | WO2000029796A1 Heat transfer device |
05/24/2000 | EP0932803B1 Refrigerant disposal |
05/23/2000 | US6065304 Device and method for vacuumizing an air conditioner having a plurality of compressors and condensers |
05/10/2000 | EP0870138A4 Method and valve for filling fluid system |
05/09/2000 | US6058717 Method for charging refrigerant blend |
04/27/2000 | WO2000005541A3 Isolated refrigerant identifier |
04/18/2000 | US6050310 Apparatus for charging a pressurized system |
04/18/2000 | US6050295 High flow valved fitting |
03/30/2000 | WO2000017588A1 Single-circuit cooling system |
03/28/2000 | US6041810 Refrigerant charging tool |
03/23/2000 | WO2000016027A1 Cold transportation method |
03/23/2000 | WO2000016025A1 Injector, methods for using injector, and kit |
03/23/2000 | DE19843484A1 Single circuit refrigeration system has selectively connectable reservoir in refrigeration circuit for accommodating refrigerant and at least two evaporators |
03/23/2000 | CA2344500A1 Cold transportation method |
03/15/2000 | CN1247599A Purging method, appts. to be purged and purging appts. |
03/14/2000 | US6035648 Method of charging and recharging a refrigeration system containing a ternary refrigerant |
02/29/2000 | US6029472 Refrigerant recycle and reclaim system |
02/16/2000 | EP0979855A1 Method for filling mixed refrigerant |
02/16/2000 | EP0979374A1 A system and a process for supplying fluid in hermetic circuits |
02/09/2000 | EP0978697A1 Method and device for injecting a refrigerant in a product mixing machine |
02/09/2000 | CN1244247A Refrigerator and method of filling in with coolant |
02/09/2000 | CN1243931A Heat exchanger and method for reuse and recovery of refrigerant thereof |
02/03/2000 | WO2000005541A2 Isolated refrigerant identifier |
02/02/2000 | EP0976994A1 Refrigerator and method of filling it with coolant |
01/27/2000 | DE19832682A1 Defrosting unit for evaporator of heat pump of air conditioner has line connecting one expansion valve to second expansion valve |
01/25/2000 | US6016661 Refrigerant recovery system |
01/04/2000 | US6010315 Compressor for use in refrigerator |
12/16/1999 | WO1999064799A1 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 device |
12/14/1999 | US6000230 Method for dividing and charging of non-azeotropic mixed refrigerant |
12/09/1999 | WO1999063252A1 High flow valved fitting |
12/08/1999 | EP0962728A1 Purging method, apparatus to be purged and purging apparatus |
12/07/1999 | US5999700 Portable refrigerant supply tank heating unit |