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