Patents
Sitemap › F25 - Refrigeration or cooling; Combined heating and refrigeration systems; Heat pump systems; Manufacture or storage of ice; Liquefaction or solidification of gases › F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems › F25B 45 - Arrangements for charging or discharging refrigerant
Patents for F25B 45 - Arrangements for charging or discharging refrigerant (2,920)
03/1991
03/12/1991US4998416 Refrigerant reclaim method and apparatus
03/12/1991US4998413 Refrigerant recovery system
03/07/1991DE4027986A1 Preventing ozone layer damage from CFC in refrigerator - by securely withdrawing circulating oil and CFC from scrapped refrigerator before sepg. liq. and vapour
03/05/1991US4996848 Method and apparatus for recovering refrigerants from home refrigeration systems
02/1991
02/26/1991US4995239 Liquid line service and process device
02/19/1991US4993461 Chlorofluorocarbon recovery device
02/17/1991WO1991002932A1 Flexible gas salvage containers and process for use
02/17/1991CA2042590A1 Flexible gas salvage containers and process for use
01/1991
01/23/1991EP0409255A2 Connector for a gas bottle and method for sucking liquid out of the (gas) bottle
01/22/1991US4986082 Refrigerant charging system in which a refrigerant is freshened and smoothly charged into a storage container
01/15/1991US4984431 High efficiency purge system
01/10/1991WO1991000485A1 Direct condensation refrigerant recovery and restoration system
01/10/1991WO1991000484A1 Method and apparatus for recovery of volatile liquids such as refrigerants
01/09/1991EP0407106A1 Refrigerant recovery device
01/08/1991US4982576 Air conditioner charging station with same refrigerant return and method
01/03/1991CA2018157A1 Refrigerant recovery device
01/01/1991US4981020 Apparatus for recovering refrigerant
12/1990
12/27/1990EP0383795A4 Refrigerant reclaim method and apparatus
12/13/1990WO1990015293A1 Cooling jacket
11/1990
11/27/1990US4972676 Refrigeration cycle apparatus having refrigerant separating system with pressure swing adsorption
11/22/1990EP0397760A1 Method and Apparatus for Recovery of Refrigerant.
11/13/1990US4969495 Direct condensation refrigerant recovery and restoration system
11/06/1990US4967570 Refrigerant reclaim method and apparatus
11/06/1990US4967567 System and method for diagnosing the operation of air conditioner systems
10/1990
10/31/1990DE3914252A1 Cleaning of refrigerant circuit for motor vehicle air-conditioner - by removing and passing refrigerant through filter and evaporator and then collecting tank equipped with oil separator
10/11/1990DE3911420A1 Disposal of household appliances
10/04/1990DE3910416A1 Method for disposing of refrigerating/deep-freezing appliances or plants
09/1990
09/25/1990US4958501 Refrigerant charging apparatus
09/19/1990EP0244461B1 Refrigerant recovery and purification system
09/19/1990CN1045451A Method and device for filling and blocking refrigerant
09/13/1990DE4007371A1 Outlet valve for rotary piston compressor
09/12/1990EP0386592A1 Device for evacuating cooling units
09/04/1990US4953357 Safety refrigerant storage cylinder
08/1990
08/29/1990EP0383795A1 Refrigerant reclaim method and apparatus.
08/16/1990DE3903045A1 Arrangement for emptying and for charging a refrigeration system with a coolant
08/08/1990CN2060213U Refrigerant collecting pouring and service tube final encapsulation apparatus
07/1990
07/24/1990US4942741 Refrigerant recovery device
07/12/1990WO1990007683A1 Trans-critical vapour compression cycle device
07/12/1990DE3900380A1 Device for emptying refrigerating sets
07/10/1990US4939905 Recovery system for differing refrigerants
07/10/1990US4939903 Refrigerant recovery and purification system and method
07/05/1990DE3900123A1 Piercing device for piercing a coolant pipe in a refrigerating device for disposal
07/03/1990US4938031 Refrigerant recovery and purification system
06/1990
06/28/1990WO1990007092A1 Apparatus for separating contaminants from refrigerant
06/27/1990EP0374966A2 Refrigerant processing and charging system
06/27/1990EP0374965A2 Refrigerant charging system in which a refrigerant is freshened and smoothly charged into a storage container
06/27/1990EP0374964A2 Refrigerant recovering method
06/19/1990US4934390 Methods and apparatus for cleaning refrigeration equipment
06/19/1990US4934149 Method of reducing chlorofluorocarbon refrigerant emissons to the atmosphere
06/19/1990CA2005805A1 Apparatus for separating contaminants from refrigerant
06/13/1990DE3841487A1 Refrigerating machine
06/07/1990DE3840833A1 Arrangement for draining and filling a refrigerating plant with a refrigerant
05/1990
05/31/1990WO1990005669A1 Methods and articles for collecting a refrigerant vented from a heat exchange system
05/17/1990CA2001825A1 Methods and articles for collecting a refrigerant vented from a heat exchange system
05/08/1990USRE33212 Service station for refrigeration equipment
05/08/1990US4923806 Method and apparatus for refrigerant testing in a closed system
05/08/1990US4922973 Collecting vessels for collecting refrigerants from heat exchange systems and methods
03/1990
03/28/1990EP0360113A2 Method for the non-pollutant discharge of a refrigeration system
03/28/1990CN2055239U Seal clipper for refrigerator
03/20/1990US4909042 Air conditioner charging station with same refrigerant reclaiming and liquid refrigerant return and method
03/14/1990EP0358176A2 Method and device for interrupting a refrigerating circuit
02/1990
02/28/1990CN2053733U Portable freon filler
02/27/1990US4903499 Refrigerant recovery system
02/06/1990US4898006 Method and apparatus for drawing off low boiling media from pressure systems
01/1990
01/31/1990CN2052117U Refrigerant-charging arrangement
01/23/1990US4895190 Actuator and hose assembly for aerosol containers
12/1989
12/28/1989WO1989012792A1 Method and apparatus for full evacuation of air conditioner or refrigeration system
12/26/1989US4889149 Dispensing tool assembly for charging a refrigerant or other fluid into a system
12/19/1989US4887435 Refrigeration cleaning and flushing system
12/13/1989EP0345329A1 A method for determining the cause of a malfunction in an air conditioning system
12/13/1989CN2049330U Portable multifunction monitor for refrigerator
12/13/1989CN2049329U Gas mixture filler for chase leaks
12/05/1989US4884410 Purge/charge manifold and method for cryogenic systems
11/1989
11/23/1989DE3816313A1 Device for suction-removal of refrigerants
11/21/1989US4881961 Control manifold inserted in the flow route of a system for transferring pressure media in a gaseous and/or liquid gaseous state
11/16/1989DE3913411A1 Oil separator
11/07/1989US4878356 Storage tank scale for a refrigerant recovery system
09/1989
09/26/1989US4869300 Multifunction fluid charging device
09/26/1989CA1261427A1 Automatic air conditioner charging station with over- ride controls
09/19/1989US4866994 Refrigeration system oil measurement and sampling device
09/05/1989US4862699 Method and apparatus for recovering, purifying and separating refrigerant from its lubricant
08/1989
08/31/1989DE3805456A1 Method of draining a fluid system
08/30/1989EP0329826A1 Filling device for fluids
08/23/1989EP0329321A2 Refrigerant recovery, purification and recharging system
08/16/1989EP0328475A2 Device and method for refrigerant recovery
08/15/1989US4856290 Refrigerant reclamation system
08/15/1989US4856289 Apparatus for reclaiming and purifying chlorinated fluorocarbons
08/15/1989US4856288 Refrigerant alert and automatic recharging device
08/10/1989WO1989007227A1 A method and arrangement for pumping preferably refrigerants
08/10/1989WO1989005428A3 A method for determining the cause of a malfunction in an air conditioning system
08/09/1989EP0326591A1 Device for withdrawing and bottling fluids
08/09/1989CN2042580U Evacuating and fluorine feeding machine for refrigeration system
08/03/1989DE3802807A1 Method for closing a filling connection
08/01/1989US4852769 Refrigerant charging tool
07/1989
07/13/1989WO1989006336A1 Refrigerant recovery system
06/1989
06/27/1989US4841739 Automotive air-conditioning system and apparatus
06/15/1989WO1989005428A2 A method for determining the cause of a malfunction in an air conditioning system
05/1989
05/31/1989EP0317709A2 Method and apparatus for the evacuation of a refrigerant system
05/23/1989US4833299 Flexible heating wrap apparatus for charged cylinders
05/10/1989EP0315296A2 Refrigerant recovery and purification system
1 ... 18 19 20 21 22 23 24 25 26 27 28 29 30