Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920) |
---|
07/08/1993 | WO1993013370A1 Transcritical vapor compression cycle device with a variable high side volume element |
07/08/1993 | CA2126695A1 Transcritical vapor compression cycle device with a variable high side volume element |
07/07/1993 | EP0550382A1 Manually operated refrigerant recovery apparatus |
07/06/1993 | US5224358 Refrigerating apparatus and modulator |
07/01/1993 | CA2058601A1 Apparatus for recycling refrigerant |
06/29/1993 | US5222377 Adapter plate for refrigeration system servicing |
06/29/1993 | US5222369 Refrigerant recovery device with vacuum operated check valve |
06/22/1993 | US5220810 Refrigerant recovery system with flush mode and associated flushing adapter apparatus |
06/15/1993 | US5218834 Storage container for recovered refrigerant |
06/15/1993 | US5218831 Portable refrigerant handling apparatus and associated methods |
06/01/1993 | US5214931 Apparatus for sampling the purity of refrigerant in the storage container of a refrigerant recovery and purification system |
06/01/1993 | US5214927 Method and apparatus for passive refrigerant and storage |
06/01/1993 | US5214918 Refrigerator and method for indicating refrigerant amount |
05/26/1993 | EP0383795B1 Refrigerant reclaim method and apparatus |
05/25/1993 | US5212959 Refrigerant processing and transferring system |
05/19/1993 | EP0542699A2 Injector, capable of preventing leaks into the environment, for pollutant gases, particularly for coolant gases |
05/18/1993 | US5211024 Refrigerant filtration system with filter change indication |
05/11/1993 | US5209077 Refrigerant recovery system |
05/09/1993 | CA2082335A1 Recirculating refrigeration system |
04/27/1993 | USRE34231 Refrigeration cleaning and flushing system |
04/21/1993 | EP0537673A2 Method for controlling the rotational speed of a motor-compressor used in an air conditioner |
04/21/1993 | EP0537666A2 Apparatus for recovering a refrigerant fluid |
04/20/1993 | US5203177 Refrigerant handling system with inlet refrigerant liquid/vapor flow control |
04/13/1993 | US5201918 Apparatus and method for the capture and storage of volatile gases |
04/13/1993 | US5201188 Refrigerant recycling system with refrigeration recovering scheme |
04/01/1993 | WO1993006423A1 Method of high-side pressure regulation in transcritical vapor compression cycle device |
03/24/1993 | EP0532688A1 Method and apparatus for reclaiming a refrigerant |
03/24/1993 | EP0397760B1 Method and apparatus for recovery of refrigerant |
03/23/1993 | US5195333 Refrigerant reclaim method and apparatus |
03/16/1993 | US5193351 Refrigerant recovery and purification system |
03/10/1993 | EP0530389A1 Improvements in the reclaiming of refrigerant fluids to make same suitable for reuse |
03/02/1993 | US5189889 Refrigerant reclaiming device |
03/02/1993 | US5189885 Recirculating refrigeration system |
03/02/1993 | US5189882 Refrigerant recovery method |
03/02/1993 | US5189881 Refrigerant recovery apparatus and method |
02/23/1993 | US5187942 Refrigerant overcharge prevention system |
02/23/1993 | US5187940 Refrigerant recovery and purification system |
02/17/1993 | EP0527561A1 Apparatus and method for infusing a mixture into a closed loop system |
02/16/1993 | US5186017 Refrigerant recovery device |
02/11/1993 | DE4215993A1 Transportable discharging device for chlorofluorocarbons from scrap refrigerators - extracts refrigerant from external heat exchanger for compression and pumping into cooled condenser for safe disposal |
02/02/1993 | US5182918 Refrigerant recovery system |
01/26/1993 | US5181391 Refrigerant handling system with air purge and multiple refrigerant capabilities |
01/26/1993 | US5181390 Manually operated refrigerant recovery apparatus |
01/26/1993 | US5181388 Refrigerant recovery unit with pure system |
01/26/1993 | CA2073827A1 Method and apparatus for reclaiming refrigerant |
01/05/1993 | US5176187 Flexible gas salvage containers and process for use |
01/05/1993 | US5176008 Refrigerant reclaim method and apparatus |
12/30/1992 | EP0519973A1 An apparatus for collecting a volatile condensate and for separating non-condensible gas therefrom |
12/29/1992 | US5174906 Flushing of heating, ventilating and air conditioning systems using environmentally safe materials |
12/29/1992 | US5174124 Apparatus for sampling the purity of refrigerant flowing through a refrigeration circuit |
12/23/1992 | WO1992022778A1 System and method for recovering and purifying a halocarbon composition |
12/23/1992 | EP0519860A1 Apparatus for compressor protection in a refrigerant recovery system |
12/23/1992 | EP0519859A1 Method and apparatus for recovering refrigerant |
12/23/1992 | EP0505409A4 Recovery processing and storage unit |
12/22/1992 | US5172562 Refrigerant recovery, purification and recharging system and method |
12/22/1992 | US5172557 Bypass manifold valve for charging repairing and/or testing refrigerant systems |
12/22/1992 | CA1311622C Refrigerant recovery, purification and recharging system |
12/22/1992 | CA1311621C Refrigerant recovery and purification system |
12/15/1992 | US5170632 Method for evacuating a refrigerant transfer unit |
12/08/1992 | US5168721 Refrigerant recovery device |
12/08/1992 | US5168720 Refrigerant recovery system with flush mode and associated flushing adapter apparatus |
12/08/1992 | CA1311209C Apparatus for reclaiming and purifying chlorinated fluorocarbons |
12/01/1992 | US5167140 Apparatus and method for infusing a material into a closed loop system |
12/01/1992 | US5167126 Refrigerant recovery and recycling assembly |
11/26/1992 | WO1992016802A3 Refrigeration recovery and purification |
11/24/1992 | US5165253 Multiple cooling medium recovery apparatus |
11/24/1992 | US5165247 Refrigerant recycling system |
11/17/1992 | US5163462 Apparatus for tapping a fluid through a wall |
11/15/1992 | CA2061471A1 Automatic refrigerant charge variation |
11/12/1992 | WO1992019923A1 Refrigerant transfer system for transferring refrigerant using a heat pump in refrigerating equipement |
11/10/1992 | US5161385 Refrigerant recovery and recycle system with flexible storage bag |
10/27/1992 | US5157936 Method and apparatus for reclaiming refrigerant |
10/20/1992 | US5156012 Refrigerant charge detection system for an air conditioning system |
10/01/1992 | WO1992016802A2 Refrigeration recovery and purification |
10/01/1992 | WO1992016801A1 Apparatus for servicing refrigeration systems |
09/30/1992 | EP0506092A1 Method and apparatus for heating refrigerant in a chiller |
09/30/1992 | EP0505409A1 Recovery processing and storage unit |
09/30/1992 | CA2064425A1 Method and apparatus for heating freon in a chiller |
09/29/1992 | US5150577 System and method for recovering and purifying a halocarbon composition |
09/15/1992 | US5146761 Method and apparatus for recovering refrigerant |
09/15/1992 | US5146760 Method and apparatus for compressor protection in a refrigerant recovery system |
09/09/1992 | EP0502609A1 Heat pump |
09/01/1992 | US5142884 Spacecraft adsorption thermal storage device using a vapor compression heat pump |
09/01/1992 | US5142876 Method and apparatus for heating refrigerant in a chiller |
08/25/1992 | US5140827 Automatic refrigerant charge variation means |
08/20/1992 | WO1992014109A1 Refrigerant recycling system |
08/18/1992 | US5139049 Refrigeration system service adapter |
08/18/1992 | US5138847 Refrigerant recovery and processing apparatus and methods |
08/11/1992 | US5136855 Heat pump having an accumulator with refrigerant level sensor |
07/28/1992 | US5133880 Fluid purifier and method for purifying fluid contaminated with a volatile contaminant |
07/21/1992 | US5131242 Closed loop refrigerant recovery system |
07/16/1992 | DE4200316A1 Refrigerating medium handling system - has valve regulating flow through evaporator to minimise overheating of medium |
07/14/1992 | US5129331 Emissionless furnace boiler system |
07/07/1992 | US5127239 Refrigerant handling system with facility for clearing system components of refrigerant |
07/07/1992 | US5127232 Method and apparatus for recovering and purifying refrigerant |
07/02/1992 | DE4143111A1 Chlorine fluoride hydrocarbon recovery system - has auxiliary tank with filling controller and detachable from main one |
06/24/1992 | EP0491552A2 Refrigerant charge detection system for an air conditioning system |
06/23/1992 | US5123259 Refrigerant recovery system |
06/03/1992 | EP0488777A2 Refrigerant overcharge prevention system |
06/02/1992 | US5117648 Refrigeration system with ejector and working fluid storage |