Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920)
06/1992
06/02/1992US5117645 Refrigeration system with saturation sensor
06/02/1992US5117641 Refrigerant recovery system with flush mode
05/1992
05/29/1992WO1992008535A1 Fluid purifier and method for removing chlorofluorocarbons from contaminated fluid
05/26/1992US5115645 Heat exchanger for refrigerant recovery system
05/26/1992CA1301466C Dispensing tool assembly for charging a refrigerant into a system
05/20/1992EP0485873A1 Apparatus for recovering and purifying refrigerant
04/1992
04/22/1992EP0480972A1 Method and apparatus for recovery of volatile liquids such as refrigerants
04/15/1992EP0480330A2 Refrigeration apparatus with modulator
04/15/1992EP0480220A1 Control armature inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid media
04/09/1992DE4110064C1 Appts. for recovery of halo-hydrocarbon(s) from fire extinguishers - comprising vacuum pump connected to feed gas via compressor to condenser
04/09/1992CA2051946A1 Control manifold inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state
04/08/1992EP0479581A1 Apparatus for passive refrigerant retrieval and storage
04/07/1992US5101641 Compact refrigerant reclaim apparatus
04/07/1992US5101637 Refrigerant recovery device
04/06/1992CA2052341A1 Method and apparatus for passive refrigerant retrieval and storage
03/1992
03/31/1992US5099653 Apparatus for purification and recovery of refrigrant
03/24/1992US5097667 Apparatus and a method for emptying and recharging a refrigeration system
03/17/1992US5095713 Refrigerant handling system and method with multiple refrigerant capability
03/14/1992CA2025253A1 Refrigerant recovery and recharging device
03/10/1992US5094277 Direct condensation refrigerant recovery and restoration system
03/10/1992US5094087 Apparatus for recovery of liquids such as refrigerants
03/10/1992CA1296913C Refrigerant recovery device
03/04/1992EP0472854A1 Refrigerant recovery system
02/1992
02/25/1992US5090215 Apparatus for the disposal of cooling agent of absorption-type refrigerating systems
02/25/1992US5090212 Cutoff switch for refrigerant container
02/25/1992US5090211 Refrigerant recovery and recycling system
02/20/1992WO1992002771A1 Refrigerant recovery and processing apparatus and methods
02/18/1992US5088291 Apparatus for passive refrigerant retrieval and storage
02/12/1992CN2096030U Portable reparing apparatus for refrigerator
02/11/1992US5086630 Refrigerant reclaim apparatus
02/06/1992DE4123988A1 Coolant cleaning and recycling equipment - pumps coolant out of system for cleaning and which evacuates system for recharging
01/1992
01/16/1992DE4021254A1 Cooling medium removal device for refrigeration appts. - uses vacuum stage for separation of cooling medium and compressor oil
01/15/1992EP0421999A4 Refrigerant recovery system
01/14/1992US5080132 Refrigeration equipment service apparatus with quick-disconnect couplings
01/08/1992CN2092723U Quick-connected inflatable air gun
01/07/1992US5078756 Apparatus and method for purification and recovery of refrigerant
01/07/1992US5077984 Refrigerant handling unit
12/1991
12/31/1991US5076063 Refrigerant processing and charging system
12/21/1991CA2042531A1 High efficiency purge system
12/17/1991US5072594 Method and apparatus for passive refrigerant retrieval and storage
12/17/1991US5072593 Refrigerant reclaim method and apparatus
12/12/1991WO1991019141A1 Method and apparatus for reclaiming a refrigerant
12/12/1991DE4018585A1 Refrigerator for air conditioning system of motor vehicle - has valve to shut off liquid receiver from refrigerating circuit
12/10/1991US5071768 Sample tube; removal of entrained oil and water contamination; color indicators for impurities; refrigeration and air conditioning systems
12/10/1991US5070917 Pressurized fluid-drivable device for injecting a treatment liquid stored therein into a tire or other enclosed space
12/10/1991US5070705 Refrigeration cycle
11/1991
11/26/1991US5067514 Apparatus for tapping a fluid through a wall
11/26/1991US5067327 Refrigerant recovery and recharging device
11/26/1991US5067325 Method and arrangement for pumping refrigerants
11/12/1991US5063749 Refrigerant handling system with air purge and multiple refrigerant capabilities
11/05/1991US5062779 Outlet valve for a rolling piston rotary compressor
11/05/1991US5062275 Automotive air conditioner
10/1991
10/24/1991CA2015284A1 Refrigerant recovery system
10/23/1991EP0452534A2 Plant for the recycling of oil and fluorocarbons from discarded refrigerators
10/22/1991US5058631 Flexible gas salvage containers and process for use
10/16/1991EP0452026A2 Multiple cooling medium recovery apparatus
10/02/1991CN2085937U Automatic vacuum-pumping device for refrigerator
09/1991
09/24/1991US5050401 Compact refrigerant reclaim apparatus
09/24/1991US5050393 Refrigeration system with saturation sensor
09/24/1991US5050388 Reclaiming of refrigerant fluids to make same suitable for reuse
09/24/1991CA1289372C Refrigeration valve
09/19/1991WO1991014142A1 An apparatus for collecting a volatile condensate and for separating non-condensible gas therefrom
09/10/1991US5046322 Electronic refrigerant transfer scale
09/10/1991US5046320 Liquid refrigerant transfer method and system
09/03/1991US5044279 Connector for a bomb and a method for sucking liquid in a bomb
08/1991
08/28/1991EP0443695A2 Refrigerant purification apparatus
08/27/1991US5042271 Refrigerant handling system with compressor oil separation
08/21/1991WO1991013290A1 Emissionless furnace boiler system
08/21/1991CA2076373A1 Emissionless furnace boiler system
08/20/1991US5040382 Refrigerant recovery system
08/13/1991US5038578 Refrigerant recovery and purification system
08/13/1991CA1287552C Control manifold inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state
08/07/1991EP0440316A2 Refrigerant recovery and purification system
08/06/1991US5036675 Refrigeration cleaning and flushing system
07/1991
07/23/1991US5033271 Refrigerant recovery and purification system
07/17/1991EP0437021A1 Refrigerant purification with automatic air purge
07/16/1991US5031414 Apparatus for evacuating flowable media from discarded refrigerators and the like
07/16/1991US5031410 Refrigeration system thermal purge apparatus
07/11/1991DE4000172A1 Drilling tool for removal of fluids from containers - gas cylindrical housing acting as exhaust chamber and fitted with valve and provide gas-tight seal
07/02/1991US5027720 Emissionless furnace boiler system
07/02/1991US5027605 Oil injection system for air conditioning equipment
06/1991
06/25/1991US5025633 CFC recycling system
06/19/1991EP0433211A2 Apparatus for refrigerant testing in a closed system
06/18/1991US5024061 Refrigerant
06/13/1991WO1991009260A1 Recovery processing and storage unit
06/13/1991CA2071632A1 Recovery processing and storage unit
06/12/1991EP0431335A2 Refrigerant discharging device for absorption refrigeration systems
06/11/1991US5022230 Method and apparatus for reclaiming a refrigerant
06/05/1991EP0429904A1 Device for piercing a line
06/04/1991US5020331 Refrigerant reclamation system
05/1991
05/28/1991US5018361 Method and apparatus for disposal and reprocessing of environmentally hazardous substances from refrigeration systems
05/22/1991CN1051617A Connector for bomb and method for sucking liquid in bomb
05/16/1991WO1991006478A1 Collecting containers for collecting refrigerants vented from heat exchange systems and methods
05/02/1991EP0424474A1 Method of operating a vapour compression cycle under trans- or supercritical conditions.
04/1991
04/30/1991US5010743 Test fitting adapter for refrigerant lines
04/17/1991EP0421999A1 Refrigerant recovery system
04/09/1991US5005375 Refrigeration equipment service apparatus with quick-disconnect couplings
04/09/1991US5005369 Refrigerant purification with automatic air purge
03/1991
03/29/1991CA2026370A1 Method and apparatus for recovering refrigerants from home refrigeration systems
03/27/1991EP0418946A1 An apparatus for tapping a fluid through a wall
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